SECTION 13640

PACKAGED SOLAR WATER HEATER EQUIPMENT

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Copyright 2013 - 2013 ARCAT, Inc. - All rights reserved

PART  1	  GENERAL
1.1 		SECTION INCLUDES
A.		Packaged Solar Water Heater Equipment.
1.2 		RELATED SECTIONS
A.		Section 06100 - Rough Carpentry: Framing and roof sheathing.
B.		Section 07210 - Building Insulation.
C.		Section 07260 - Vapor Retarders.
D.		Section ____ - Roofing and Flashing: Flashing of roof mounted solar panel connections.
E.		Section 15140 - Domestic Water Piping
F.		Section 15480 - Domestic Water Heaters.
G.		Section 16150 - Wiring Connections: Execution requirements for electric connections specified by this section.
1.3 		REFERENCES
A.		SRCC OG-100 - Operating Guidelines and Minimum Standards For Certifying Solar Thermal Collectors. 
B.		SRCC OG-300 - Operating Guidelines and Minimum Standards For Certifying Solar Water Heating Systems.
1.4 		DESIGN / PERFORMANCE REQUIREMENTS
A.		Solar Collectors shall be provided with a SRCC OG-100 rating label or nameplate certifying the Solar Collector Certification and Rating for each collector. 
B.		Solar storage tank shall be provided with a SRCC OG-300 rating label or nameplate certifying the Solar Water Heating Systems Certification and Rating.
C.		Systems must be safe, reliable, require no operator intervention for normal operation, be visually unobtrusive, and be designed and installed in accordance with all applicable codes.
D.		Panel Orientation: Orient solar collectors within 45 degrees of south. Incline panels a minimum angle from horizontal of at least 10 degrees. In regions that get heavy snowfalls, a minimum 40 degrees is recommended. Mount solar panels in a vertical orientation sloping the panels a minimum of 1/4 inch per foot to permit drainage. Locate and position of the collectors relative to nearby objects and surfaces such that water run-off from the solar panel is not impeded nor is excessive build-up of snow on lower portions of the solar panel glass permitted.
1.5 		SUBMITTALS
A.		Submit under provisions of Section 01300.
B.		Product Data: Manufacturer's data sheets on each product to be used, including:
1.		Preparation instructions and recommendations.
2.		Storage and handling requirements and recommendations.
3.		Installation methods.
C.		Shop Drawings: Indicate manufactured assembly's system components and control schematics, solar collector installation, layout, weights, mounting and support details, flashings, heat exchanger and pump installation, storage and expansion tank installation, vents, valves, interconnecting piping, insulation and instrumentation.
D.		Operation and Maintenance Data: Provide with spare parts lists, procedures, treatment programs and schematic showing the complete system layout. Include operating instructions with preventative maintenance procedures, methods of checking the system for normal safe operation, and procedures for starting and stopping the system.
E.		Manufacturer's Certificates: Certify products meet or exceed specified requirements.
F.		Field Test Reports: Submit reports of piping hydraulic pressure test and commissioning. Include: collector model number and serial numbers, storage tank model and serial number, expansion tank pressure, system pressure, system flow rate, percent propylene glycol to distilled water, solar loop temperature setting, and backup system temperature setting. Include results of acceptance testing.
G.		Closeout Submittals: Provide manufacturer's maintenance instructions that include recommendations for periodic checking and periodic cleaning and maintenance of all components.
1.6 		QUALITY ASSURANCE
A.		Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with minimum three years documented experience.
B.		Installer Qualifications: Company specializing in performing Work of this section with documented experience and approved by manufacturer.
1.7 		DELIVERY, STORAGE, AND HANDLING
A.		Store products in manufacturer's unopened packaging until ready for installation.
B.		Store and protect products in accordance with manufacturer's recommendations.
C.		Protect pipe openings and piping from debris and other foreign matter by using caps on piping connections.
1.8 		SEQUENCING
A.		Ensure that locating templates and other information required for installation of products of this section are furnished to affected trades in time to prevent interruption of construction progress.
B.		Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.
1.9 		PROJECT CONDITIONS
A.		Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.
1.10 		WARRANTY
A.		Solar Collectors, manufacturer's 10 year limited warranty.
B.		Solar storage tanks, manufacturer's 6 year limited warranty.
C.		Solar pump station, manufacturer's 2 year limited warranty.
D.		Interconnecting piping and fittings, manufacturer's 6 year limited warranty.
PART  2	  PRODUCTS
2.1 		MANUFACTURERS
A.		Acceptable Manufacturer: Caleffi North America, Inc., which is located at: 3883 W. Milwaukee Rd.  ; Milwaukee, WI 53208; Tel: 414-238-2360; Fax: 414-238-2366; Email: request info (sales@caleffi.com); Web: www.caleffi.us/caleffi/en_US/index.sdo 
B.		Substitutions: Not permitted.
C.		Requests for substitutions will be considered in accordance with provisions of Section 01600.
2.2 		SOLAR WATER HEATER EQUIPMENT
A.		General: The Solar Water Heater Equipment is a prepackaged, specially engineered system that includes all of the components needed for a standard installation including the solar collectors, pump station and controller, storage tank, and all of the necessary hardware and plumbing components. 
B.		Systems:
1.		System: Code: NAS30020-P.
a.		Solar Collector: Provide with StarMax Code NAS154 Series sized to suit requirement as specified under paragraph Solar Thermal System Components.
b.		SolarCon Storage Tank Size: 50 gallon. Single coil.
2.		System: SRCC OG-300 Certified System Code: NAS30020.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 7.5 kWh / 25 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 1.
c.		SolarCon Storage Tank Size: 50 gallon. Single coil.
3.		System: SRCC OG-300 Certified System Code: NAS300201.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 15.0 kWh / 50 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 2.
c.		SolarCon Storage Tank Size: 50 gallon. Single coil.
d.		Solar Fraction: 0.63. 
4.		System: SRCC OG-300 Certified System Code: NAS30020P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 9.5 kWh / 32 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 8 feet. Quantity 1.
c.		SolarCon Storage Tank Size: 50 gallon. Single coil.
d.		Solar Fraction: - . 
5.		System: SRCC OG-300 Certified System Code: NAS300201P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 19.0 kWh / 64 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 8 feet. Quantity 2.
c.		SolarCon Storage Tank Size: 50 gallon single coil.
d.		Solar Fraction: 0.72. 
6.		System: SRCC OG-300 Certified System Code: NAS30020P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 12.0 kWh / 40 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 1.
c.		SolarCon Storage Tank Size: 50 gallon. Single coil.
d.		Solar Fraction: 0.50. 
7.		System: SRCC OG-300 Certified System Code: NAS300201P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 24.0 kWh / 80 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 2.
c.		SolarCon Storage Tank Size: 50 gallon single coil.
d.		Solar Fraction: 0.82. 
8.		System: Code: NAS30040-P.
a.		Solar Collector: Provide with StarMax Code NAS154 Series sized to suit requirement as specified under paragraph Solar Thermal System Components.
b.		SolarCon Storage Tank Size: 80 gallon. Single coil.
9.		System: SRCC OG-300 Certified System Code: NAS30040.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 15.0 kWh / 50 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 2.
c.		SolarCon Storage Tank Size: 80 gallon. Single coil.
d.		Solar Fraction: 0.63. 
10.		System: SRCC OG-300 Certified System Code: NAS300401.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 22.0 kWh / 75 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 80 gallon single coil.
d.		Solar Fraction: 0.82. 
11.		System: SRCC OG-300 Certified System Code: NAS30040P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 19.0 kWh / 64 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 8 feet. Quantity 2.
c.		SolarCon Storage Tank Size: 80 gallon single coil.
d.		Solar Fraction: 0.74. 
12.		System: SRCC OG-300 Certified System Code: NAS300401P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 28.0 kWh / 96 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 8 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 80 gallon single coil.
d.		Solar Fraction: 0.94. 
13.		System: SRCC OG-300 Certified System Code: NAS30040P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 24.0 kWh / 80 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 2.
c.		SolarCon Storage Tank Size: 80 gallon single coil.
d.		Solar Fraction: 0.83. 
14.		System: SRCC OG-300 Certified System Code: NAS300401P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 36.0 kWh / 120 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 80 gallon single coil.
d.		Solar Fraction: 0.95. 
15.		System: Code: NAS30042-P.
a.		Solar Collector: Provide with StarMax Code NAS154 Series sized to suit requirement as specified under paragraph Solar Thermal System Components.
b.		SolarCon Storage Tank Size: 80 gallon dual coil.
16.		System: SRCC OG-300 Certified System Code: NAS30042.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 15.0 kWh / 50 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 2.
c.		SolarCon Storage Tank Size: 80 gallon dual coil.
d.		Solar Fraction: 0.73. 
17.		System: SRCC OG-300 Certified System Code: NAS300421.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 22.0 kWh / 75 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 80 gallon dual coil.
d.		Solar Fraction: 0.88. 
18.		System: SRCC OG-300 Certified System Code: NAS30042P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 19.0 kWh / 64 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 8 feet. Quantity 2.
c.		SolarCon Storage Tank Size: 80 gallon dual coil.
d.		Solar Fraction: 0.80. 
19.		System: SRCC OG-300 Certified System Code: NAS300421P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 28.0 kWh / 96 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 8 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 80 gallon dual coil.
d.		Solar Fraction: 0.96. 
20.		System: SRCC OG-300 Certified System Code: NAS30042P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 24.0 kWh / 80 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 2.
c.		SolarCon Storage Tank Size: 80 gallon dual coil.
d.		Solar Fraction: 0.88. 
21.		System: SRCC OG-300 Certified System Code: NAS300421P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 36.0 kWh / 120 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 80 gallon dual coil.
d.		Solar Fraction: 0.97. 
22.		System: Code: NAS30060-P.
a.		Solar Collector: Provide with StarMax Code NAS154 Series sized to suit requirement as specified under paragraph Solar Thermal System Components.
b.		SolarCon Storage Tank Size: 120 gallon single coil.
23.		System: SRCC OG-300 Certified System Code: NAS30060.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 22.0 kWh / 75 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 120 gallon single coil.
d.		Solar Fraction: 0.75. 
24.		System: SRCC OG-300 Certified System Code: NAS300601.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 30.0 kWh / 100 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 4.
c.		SolarCon Storage Tank Size: 120 gallon single coil.
d.		Solar Fraction: 0.92. 
25.		System: SRCC OG-300 Certified System Code: NAS30060P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 28.0 kWh / 96 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 8 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 120 gallon single coil.
d.		Solar Fraction: 0.87. 
26.		System: SRCC OG-300 Certified System Code: NAS300601P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 38.0 kWh / 128 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 4.
c.		SolarCon Storage Tank Size: 120 gallon single coil.
d.		Solar Fraction: 0.95. 
27.		System: SRCC OG-300 Certified System Code: NAS30060P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 36.0 kWh / 120 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 120 gallon single coil.
d.		Solar Fraction: 0.95. 
28.		System: SRCC OG-300 Certified System Code: NAS300601P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 48.0 kWh / 180 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 4.
c.		SolarCon Storage Tank Size: 120 gallon single coil.
d.		Solar Fraction: 0.95. 
29.		System: Code: NAS30062-P.
a.		Solar Collector: Provide with StarMax Code NAS154 Series sized to suit requirement as specified under paragraph Solar Thermal System Components.
b.		SolarCon Storage Tank Size: 120 gallon dual coil.
30.		System: SRCC OG-300 Certified System Code: NAS30062.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 22.0 kWh / 75 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 120 gallon dual coil.
d.		Solar Fraction: 0.82. 
31.		System: SRCC OG-300 Certified System Code: NAS300621.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 30.0 kWh / 100 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 6.5 feet. Quantity 4.
c.		SolarCon Storage Tank Size: 120 gallon dual coil.
d.		Solar Fraction: 0.93. 
32.		System: SRCC OG-300 Certified System Code: NAS30062P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 28.0 kWh / 96 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 8 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 120 gallon dual coil.
d.		Solar Fraction: 0.91. 
33.		System: SRCC OG-300 Certified System Code: NAS300621P8.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 38.0 kWh / 128 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 4.
c.		SolarCon Storage Tank Size: 120 gallon dual coil.
d.		Solar Fraction: 0.97. 
34.		System: SRCC OG-300 Certified System Code: NAS30062P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 36.0 kWh / 120 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 3.
c.		SolarCon Storage Tank Size: 120 gallon dual coil.
d.		Solar Fraction: 0.97. 
35.		System: SRCC OG-300 Certified System Code: NAS300621P10.
a.		Rated Heat Generating Capacity per Day (SRCC cat. C): 48.0 kWh / 180 kBtu
b.		Solar Flat Plate Collector: Size 4 feet by 10 feet. Quantity 4.
c.		SolarCon Storage Tank Size: 120 gallon dual coil.
d.		Solar Fraction: 0.97. 
C.		Components
1.		Solar Flat Plate Collector: SolarFlat Flate Plate Collector fabricated with 1 inch copper header manifold, 1/2 inch tube to fin copper absorber plate, enclosed in Type 6063-T6 extruded aluminum frame and battens and sealed with impact resistance low iron tempered glass glazing. Selective crystal absorber coating, 0.96 absorptivity, 0.08 emissivity. Extruded "U" channel EPDM glazing seal. Insulated with R-10 polyisocyanurate foam board insulation. Backing sheet Type 3105-H14 embossed aluminum. 
a.		Capabilities:
1)		Suitable fluids water or 60 percent maximum glycol solution. 
2)		Working temperature range of minus 40 degrees F to plus 350 degrees F (minus 40 degrees C to plus 177 degrees C). Maximum pressure 150 psi (10 bar). 
3)		Working pressure 90 psi (6 bar). 
4)		Typical transfer flow rate of 0.5 gpm to 1.8 gpm (1.8 lpm to 7 lpm).
5)		Wind load rating 181 mph / 291 kph. 
6)		Includes preinstalled, pressure tested brass union connections. 
7)		SRCC OG-100 certified and listed. 
b.		Models:
1)		Code NAS10406: 4 foot by 6.5 foot, 23.6 sq ft aperture area,1 inch union thread connections, 7.5 kWh/25,000 Btu per day, SRCC cat. C.
2)		Code NAS10408: 4 foot by 8 foot, 29.9 sq ft aperture area, 1-1/4 inch union thread connections, 9.2 kWh/32,000 Btu per day, SRCC cat. C.
3)		Code NAS10410: 4 foot by 10 foot, 37.4 sq ft aperture area, 1-1/4 inch union thread connections, 11.7 kWh/40,000 Btu per day, SRCC cat. C.
2.		Pipe Code NA3540-15: Two 3/4 inch SolarFlex corrugated stainless steel 316L pipes, in 50 foot coil including 2 double nipples, 4 union nuts, 4 segment rings and 4 washers. Insulated with 5/8 inch (16 mm) closed cell elastomer UV resistance EPDM insulation sleeves with UV resistant polyolefin copolymer foil outer cover. 
a.		Capabilities:
1)		Thermal conductivity at 105 degrees F (40 degrees C): R-3.6 (.04 W/mK). 
2)		Maximum working pressure 150 psi (10 bar). 
3)		Maximum fluid temperature 350 degrees F (175 degrees C). 
4)		Minimum surface temperature minus 60 degrees F (minus 50 degrees C). 
5)		Length per coil 50 feet (15 m). 
6)		Fluid capacity per foot 0.0346 gallons (0.13 liters). 
7)		Minimum bending radius 5 inch (130 mm). 
8)		Pressure loss approximately 25 percent more than a comparable smooth pipe. 
9)		Flammability Class VO. 
10)		Flame spread/smoke density 25/50. 
11)		Agency approval: ASTM D 635, ASTM C 177.
3.		Pump Station Code 255060A: Dual-line solar pump station with SolarFlex Code NA26750 3/4 inch adapter fittings for top and bottom flow and return connections. Connections 3/4 inch female straight thread. Brass body. Steel and aluminum temperature gauge. PTFE and EPDM seals. EPDM and Viton O-Rings. AFM 34 gaskets, asbestos free. EPP insulating shell, thermal conductivity R4. 
a.		Capabilities:
1)		Suitable fluids: water or 50 percent maximum glycol solution. 
2)		Maximum working temperature 360 degrees F (180 degrees C). 
3)		Maximum working pressure 150 psi (10 bar). 
4)		Safety relief valve temperature range minus 20 to 360 degrees F (minus 30 to 180 degrees C). 
5)		Safety relief valve factory set at 90 psi (6 bar). 
6)		Minimum opening shut-off and check valve differential pressure 1/4 psi (2 kPa). 
7)		Flow meter scale 1/2 gpm to 5gpm (1 l/min to 20 l/min). 
8)		Maximum return flow meter temperature 265 degrees F (130 degrees C). 
9)		Pressure gauge scale 0-90 psi (0- 6 bar). 
10)		Temperature gauge scale 32 degrees F to 320 degrees F (0 degrees C to 160 degrees C).
11)		Filling/drain hose connections 3/4 inch male hose thread. 
12)		Wilo Solar Star S-16 U15 pump. Cast iron body. Power supply 115V 60 Hz. Maximum pressure 150 psi (10 bar). Maximum temperature 230 degrees F (110 degrees C). 
13)		Agency approval class cULus. 
14)		Expansion tank connection 1/2 inch male straight thread.
4.		Controller Code 257260A: Controller iSolar PLUS multi-functional differential temperature controller. 
a.		Platinum RTD type 1,000 ohm sensors, collector sensor working range minus 58 degrees F to 355 degrees F (minus 50 degrees C to 180 degrees C), tank sensor working range 15 degrees F to 175 degrees F (minus 0 degrees C to 80 degrees C), length of collector black cable 60 inches (1.5 m), length of tank sensor gray cable 95 inches (2.5 m).
b.		Controller display LCD with 16 segment alphanumeric display and 8 system status symbols, operating interface three soft-push control buttons, operating LED control lamp, PC-ABS plastic housing, mounting for wall or in 255, 256 series solar pump stations. Agency approval cTUVus. 
c.		Control for 2 solar collector array, 2 solar storage tank, two tank priority logic, second differential temperature function, drainback pump speed control, drainback booster pump, time-controlled thermostat function, backup heat function, heat dump function, real time clock (timer function), collector freeze protection, evacuated tube collector function, minimum collector temperature, collector cooling functions, tank (night time) cooling, emergency shutdown functions, operating hours counter, energy metering measurement and Vbus data communication. Ten Pt1000 temperature sensor inputs. Two triac 1A/115 V relays. Ten pre-configured solar system arrangements. Power supply 100 to 240 V 50/60 Hz.VBus data interface.
d.		Capabilities:
1)		Differential temperature adjustment range 2 degrees FDELTA_SYMBOL to 40 degrees FDELTA_SYMBOL (1 degrees CDELTA_SYMBOL to 20 degrees CDELTA_SYMBOL).
2)		Minimum temperature differential 2 degrees FA (1 degrees CA).
3)		Hysteresis: 2 degrees FA, plus or minus 1 degrees F A (1 degrees CA, plus or minus 0.5 degrees CA).
4)		Maximum tank temperature range 35 degrees F to 205 degrees F (2 degrees C to 95 degrees C).
5)		Maximum collector temperature range 210 degrees F to 375 degrees F (100 degrees C to 190 degrees C).
6)		Emergency shut-down temperature range of the collector 230 degrees F to 395 degrees F (110 degrees C to 200 degrees C).
7)		Minimum collector temperature range 50 degrees F to 195 degrees F (10 degrees C to 90 degrees C).
8)		Antifreeze temperature option: 15 degrees F to 50 degrees F (minus 10 degrees C to 10 degrees C).
9)		kWh (BTU) calculation flow input 0 gpm to 5 gpm (0 lpm to 20 lpm).
5.		Storage Tank: SolarCon Storage Tank provided with lower heat exchanger coil and back up electric heating element or second upper heat exchanger coil, porcelain glass-coated steel lining, 2 inch non-CFC foam tank insulation with R16 thermal conductivity, powder-coated steel (20-24 gauge.) external tank cover, two magnesium anode rods, drain valve. 
a.		Capabilities:
1)		Maximum tank temperature 180 degrees F (80 degrees C), maximum working pressure 150 psi (10 bar), testing pressure 300 psi (20 bar), temperature and pressure relief valve 210 degrees F/150 psi maximum (100 degrees C/10 bar). 
2)		Recommended maximum delivery hot water temperature 120 degrees F (50 degrees C). 
3)		Power requirements 240 VAC. Electric element power consumption 4.5 KW, UL Listed.
b.		Models:
1)		Code NAS20053: 50 gallon single coil heat exchanger with electric heating element, provided with 1-1/2 inch by 30 foot porcelain-coated steel lower internal heat exchanger coil, two 1 inch NPT male side connections and two 3.4 inch NPT female top connections.
2)		Code NAS20083: 80 gallon single coil heat exchanger with electric heating element, provided with 1-1/2 inch by 36 foot porcelain-coated steel lower internal heat exchanger coil, three 1 inch NPT male side connections and one 1 inch NPT male top connection.
3)		Code NAS20082: 80 gallon dual coil heat exchanger (no electric element), provided with 1-1/2 inch by 36 foot porcelain-coated steel lower internal heat exchanger coil, 1-1/2 inch by 24 foot porcelain-coated steel upper internal heat exchanger coil, five 1 inch NPT male side connections and one 1 inch NPT male top connection.
4)		Code NAS20123: 120 gallon single coil heat exchanger with electric heating element, provided with 1-1/2 inch by 36 foot porcelain-coated steel lower internal heat exchanger coil, three 1 inch NPT male side connections and one 1 inch NPT male top connection.
5)		Code NAS20122: 120 gallon dual coil heat exchanger (no electric element), provided with 1-1/2 inch by 36 foot porcelain-coated steel lower internal heat exchanger coil, 1-1/2 inch by 24 foot porcelain-coated steel upper internal heat exchanger coil, five 1 inch NPT male side connections and one 1 inch NPT male top connection.
6.		Expansion Tank Code 259 Series: SolarPlus expansion tanks for pressurized solar heating systems provided with EPDM diaphragm in an epoxy coated welded steel tank. 
a.		Features:
1)		System temperature range 15 degrees F to 250 degrees F (minus 10 degrees C to plus 120 degrees C), maximum diaphragm temperature 210 degrees F (100 degrees C), maximum working pressure 150 psi (10 bar), pre-charged pressure 35 psi (2.5 bar), 3/4 inch straight thread connection, and suitable fluids: water or 50 percent maximum glycol solution.
2)		Provide with Code 255007 expansion tank connection kit consisting of a flexible stainless steel hose, a double automatic check valve, wall bracket and mounting hardware. Maximum working pressure 150 psi (10 bar), maximum check valve working temperature 250 degrees F (120 degrees C), hose length 20 inches (500 mm), 3/4 inch straight thread connection.
b.		Models:
1)		Code 259012: 3 gallon expansion tank
2)		Code 259018: 5 gallon expansion tank
3)		Code 259025: 7 gallon expansion tank
4)		Code 259033: 9 gallon expansion tank
7.		Lightning Protection Code NA15006: SP10 Lightning protector provided with ASA thermo-plastic upper housing, thermo-plastic elastomer lower housing, and NEMA 4 (IP 65) protection type. Ambient temperature: minus 15 degrees F to plus 160 degrees F (minus 25 degrees C to plus 70 degrees C). Vertical mounting. CE approved.
8.		Automatic Air Vent Code 250041A: Automatic air vent for solar heating systems provided with 1/2 inch NPT male connection, brass chrome-plated body and cover, stainless steel control spindle, float and seals in high resistance polymer. 
a.		Capabilities:
1)		Suitable fluids, water or 50 percent maximum glycol solution. 
2)		Working temperature range minus 20 degrees F to 360 degrees F (minus 30 degrees C to 180 degrees C), maximum working pressure 150 psi (10 bar), maximum discharge pressure 75 psi (5 bar).
9.		Shut Off Valve Code NA29284: Shut-off valve for automatic air vent for solar heating systems provided with 1/2 inch NPT female by 1/2 inch NPT male connections, chrome-plated brass body and ball, seals in PTFE. 
a.		Capabilities:
1)		Suitable fluids: water or 50 percent maximum glycol solution. 
2)		Working temperature range minus 20 degrees F to 360 degrees F (minus 30 degrees C to 180 degrees C), maximum working pressure: 150 psi (10 bar).
10.		Miscellaneous System Components:
a.		Code NA267003: Bracket to mount solar pump station to storage tank, includes hardware.
b.		Code NA10092: SJ round cord, stripped and pre-tinned, connects pump to iSolar controller.
c.		Code NA12133: Four piece hanger with hardware for 3/4 inch SolarFlex piping.
d.		Code NA3140-02: Insulated 6 foot long, 3/4 inch SolarFlex piping for connecting solar pump station to SolarCon solar storage tank heat exchanger. Includes 1 inch female straight thread union nuts.
e.		Code NA10093: 90 degree brass elbow to connect NA3140-02 SolarFlex to SolarCon solar tank heat exchanger, 1 inch NPT female by 1 inch male straight thread.
f.		Code NAT624162: Brass tee, 1 inch male straight thread by 1/2 inch NPT female by 1 inch straight thread female union nut.
g.		Code NA35001: EPDM foam UV resistant insulating tape to wrap fitting connections, 2 inch by 1/2 inch by 25 foot roll.
h.		Code NA35002: UV-resistant black film tape, 2 inch by 30 foot roll to wrap foam tape code NA35001.
i.		Collector Connection Kit: 
1)		Code NA12145: Kit for 6.5 foot collectors, includes 2 washers, 2 nuts, 2 disks, and 1 plug.
2)		Code NA12146: Kit for 8 foot and 10 foot collectors, includes even number, 4 washers, 2 nuts, 2 disks, 1 plug, and 1 nipple.
3)		Code NA12147: Kit for 8 foot and 10 foot collectors, includes odd number, 4 washers, 2 nuts, 2 disks, 2 plugs, and 1 male threaded tailpiece.
j.		Collector Mount Code NAS10001: Universal foot mount for solar collectors. 
k.		Collector Mount Tilt Extension Code NAS10002: 6 foot long, 1 inch square tube tilt extension.
11.		Transfer Fluid SolarHD Code NA10103: High temperature non-toxic glycol, pre-mixed 50 percent , FDA reference 21 CRF 182.1666, Gosselin TOXICITY INDEX 1, generally recognized as safe for use as direct food additives, NSF listed category code HT1, HT2, NSF registration No. 144912, 5 gallon bucket. 
D.		Heat Transfer Fluid: Pre-mixed anti-freeze heat transfer solution fluid (HTF) containing non-toxic propylene glycol and de-ionized water designed to provide freeze/burst and corrosion protection in water-based, closed-loop solar systems. When properly installed and maintained, this system will protect against freeze damage to temperatures as low as minus 76 degrees F (minus 60 degrees C). 
2.3 		SOLAR THERMAL SYSTEM COMPONENTS
A.		SolarFlat Flate Plate Collector: Fabricated with 1 inch copper header manifold, 1/2 inch tube to fin copper absorber plate, enclosed in Type 6063-T6 extruded aluminum frame and battens and sealed with impact resistance low iron tempered glass glazing. Selective crystal absorber coating, 0.96 absorptivity, 0.08 emissivity. Extruded "U" channel EPDM glazing seal. Insulated with R-10 polyisocyanurate foam board insulation. Backing sheet Type 3105-H14 embossed aluminum. Includes preinstalled, pressure tested brass union connections.
1.		Capabilities:
a.		Suitable fluids water or 60 percent maximum glycol solution. 
b.		Working temperature range of minus 40 degrees F to plus 350 degrees F (minus 40 degrees C to plus 177 degrees C). Maximum pressure 150 psi (10 bar). 
c.		Working pressure 90 psi (6 bar). 
d.		Typical transfer flow rate of 0.5 gpm to 1.8 gpm (1.8 lpm to 7 lpm). 
e.		Wind load rating 181 mph / 291 kph. 
f.		SRCC OG-100 certified and listed. 
2.		Models:
a.		Code NAS10406: 4 foot by 6.5 foot, 23.6 sq ft aperture area,1 inch union thread connections, 7.5 kWh/25,000 Btu per day, SRCC cat. C.
b.		Code NAS10408: 4 foot by 8 foot, 29.9 sq ft aperture area, 1-1/4 inch union thread connections, 9.2 kWh/32,000 Btu per day, SRCC cat. C.
c.		Code NAS10410: 4 foot by 10 foot, 37.4 sq ft aperture area, 1-1/4 inch union thread connections, 11.7 kWh/40,000 Btu per day, SRCC cat. C.
3.		Mounting: Provide with Code NAS10006 tilt mounting kit, Code NAS10007 collector mounting clip kit, Code DualStud NAS10030 flashing kit, Code NAS10032 steel base plate, QuadTrac Code NAS100 series mounting rails, splice bars and 1 inch square tube extensions, QuadTrac Code NAS10041 2 inch U-mount, and Code NA10272 brass double union to closely connect collectors within 2.5 inches. 
B.		StarMax V Flat Plate Collector: Fabricated with two internal copper headers sloped to center by 0.5 inch from each side, with five 1 inch union thread connections. The fifth connection in center of bottom sloped header allows for filling and draining of fluid in drain back solar thermal systems and protected by Code 586600 factory-installed cap. Provided with copper header-riser tubes, harp style absorber with copper absorber fin, blue selective fin coating, absorber coating efficiency: absorption 95 percent, emission 5 percent, silicone connection grommets, enclosed in baked powder-coated extruded aluminum frame construction with welded corners, back sheet embossed PVC, aluminum foil insulation liner, injected molded CFC free polyurethane insulation, EPDM weather seal, glass tempered low iron solar prismatic, glass thickness 4 mm, light transmittance 93 percent. Integral temperature sensor well attached directly to absorber fin.
1.		Capabilities:
a.		Suitable fluids: water or 60 percent maximum glycol solution.
b.		Working temperature range of minus 40 degrees F to 350 degrees F (minus 40 degrees C to 177 degrees C). 
c.		Working pressure 90 psi (6 bar). 
d.		Maximum test pressure 150 psi (10 bar). 
e.		Typical transfer flow rate 0.5 gpm to1.2 gpm (1.8 lpm to 4.5 lpm). 
f.		Wind load rating 180 mph / 290 kph. 
g.		SRCC OG-100 certified and listed.
2.		Models:
a.		Code NAS15406 4 foot by 6.3 foot, 5 connection 23.9 sq ft aperture area, 7.5 kWh/25,000 Btu per day, SRCC cat. C.
b.		Code NAS15408 4 foot by 8 foot, 5 connection 30.14 sq ft aperture area, 9.5 kWh/32,000 Btu per day, SRCC cat. C.
c.		Code NAS15410 4 foot by 10 foot, 5 connection 37.5 sq ft aperture area, 11.7 kWh/40,000 Btu per day, SRCC cat. C.
d.		Code NAS10410A 4 foot by 10 foot, 4 connection, 37.5 sq ft aperture area, 11.7 kWh/40,000 Btu per day, SRCC cat. C.
3.		Mounting: Provide with Code NAS10006 tilt mounting kit, Code NAS10007 collector mounting clip kit, DualStud Code NAS10030 flashing kit, Code NAS10032 galvanized steel base plate, QuadTrac Code NAS100 series mounting rails, splice bars and 1 inch square tube extensions, QuadTrac Code NAS10041 2 inch U-mount, and Code NA10272 brass double union to closely connect collectors within 2.5 inches.
C.		StarMax Flat Plate Collector: Fabricated with two internal parallel copper headers, with four 1 inch union thread connections. Provided with copper header-riser tubes, straight absorber with copper absorber fin, blue selective fin coating, absorber coating efficiency: absorption 95 percent, emission 5 percent, silicone connection grommets, enclosed in baked powder-coated extruded aluminum frame construction with welded corners, back sheet embossed PVC, aluminum foil insulation liner, injected molded CFC free polyurethane insulation, EPDM weather seal, glass tempered low iron solar prismatic, glass thickness 4 mm, light transmittance 93 percent. Integral temperature sensor well attached directly to absorber fin.
1.		Capabilities:
a.		Suitable fluids: water or 60 percent maximum glycol solution.
b.		Working temperature range of minus 40 degrees F to 350 degrees F (minus 40 degrees C to 177 degrees C).
c.		Working pressure 90 psi (6 bar).
d.		Maximum test pressure 150 psi (10 bar).
e.		Typical transfer flow rate 0.5 gpm to1.2 gpm (1.8 lpm to 4.5 lpm).
f.		Wind load rating 180 mph / 290 kph.
g.		SRCC OG-100 certified and listed.
2.		Models:
a.		Code NAS10410A 4 foot by 10 foot, 4 connection 37.5 sq ft aperture area, 11.7 kWh/40,000 Btu per day, SRCC cat. C.
3.		Mounting: Provide with Code NAS10006 tilt mounting kit, Code NAS10007 collector mounting clip kit, DualStud Code NAS10030 flashing kit, Code NAS10032 galvanized steel base plate, QuadTrac Code NAS100 series mounting rails, splice bars and 1 inch square tube extensions, QuadTrac Code NAS10041 2 inch U-mount, and Code NA10272 brass double union to closely connect collectors within 2.5 inches.
D.		Universal Foot Mount For Solar Collectors: Code NAS10001 Universal foot mount for solar collectors. Provide with optional Code NAS10002 6 foot 1 inch square tube tilt extension.
E.		SolarFlex insulated stainless steel piping including 2 double nipples, 4 union nuts, 4 segment rings and 4 washers. Fabricated with two corrugated stainless steel 316L pipes, two closed cell elastomer UV resistance EPDM insulation sleeves. UV resistant polyolefin copolymer foil outer cover. 5/8 inch (16 mm) insulation thickness. 
1.		Capabilities:
a.		Thermal conductivity at 105 degrees F (40 degrees C): R-3.6 (.04W/mK). 
b.		Maximum working pressure 150 psi (10 bar). 
c.		Maximum fluid temperature 350 degrees F (175 degrees C). 
d.		Minimum surface temperature minus 60 degrees F (minus 50 degrees C). 
e.		Fluid capacity per foot 0.0346 gallons (0.13 liters). 
f.		Minimum bending radius 5 inch (130 mm). 
g.		Pressure loss approximately 25 percent more than in a comparable smooth pipe. 
h.		Flammability Class VO. 
i.		Flame spread/smoke density 25/50. 
j.		Agency approval: ASTM D635, ASTM C177.
2.		Models:
a.		Code NA3520-15: 1/2 inch pipe, 50 foot coil. Provide with Code NA12132 pipe hangers with hardware, 4 per pack.
b.		Code NA3540-15: 3/4 inch pipe, 50 foot coil. Provide with Code NA12133 pipe hangers with hardware, 4 per pack.
c.		Code NA3560-15: 1 inch pipe, 50 foot coil. Provide with Code NA12134 pipe hangers with hardware, 4 per pack.
d.		Code NA3540-B: 3/4 inch pipe, order per foot, minimum length 10 feet, maximum length 165 feet, provide with 2 Code NA12122 3/4 by 3/4 inch double nipples and fitting kit Code NA12103 containing 4 union nuts, 4 segment rings and 4 washers. Provide with Code NA12133 pipe hangers with hardware, 4 per pack, quantity required by length of pipe.
F.		Solar Pump Station: Solar pump station for pressured closed-loop systems with pump. Connections 3/4 inch female straight thread. Brass body. Steel and aluminum temperature gauges in return (and flow for dual-line models). PTFE and EPDM seals. EPDM and Viton O-Rings. AFM 34 gaskets, asbestos free. EPP insulating shell, thermal conductivity R4. Ball valves with built-in flow checks in return and flow for dual-line models. Expansion tank connection 1/2 inch male straight thread. Fillilng/drain hose connections 3/4 inch male hose thread.
1.		Capabilities:
a.		Suitable fluids: water or 50 percent maximum glycol solution. 
b.		Maximum working temperature 360 degrees F (180 degrees C). 
c.		Maximum working pressure 150 psi (10 bar). 
d.		Safety relief valve temperature range minus 20 degrees F to 360 degrees F (minus 30 degrees C to 180 degrees C). 
e.		Safety relief valve factory set at 90 psi (6 bar).
f.		Minimum opening shut-off and check valve differential pressure 1/4 psi (2 kPa).
g.		Flow meter scale 1/2 gpm to 5vgpm (1 gpm to 20 l/min).
h.		Maximum return flow meter temperature 265 degrees F (130 degrees C).
i.		Pressure gauge scale 0 psi to 90 psi (0 bar to 6 bar). Temperature gauge scale 32 degrees F to 320 degrees F (0 degrees C to 160 degrees C).
j.		Wilo Solar Star S-16 U15 3 speed pump. Cast iron body. Power supply 115V - 60 Hz. Maximum pressure 150 psi (10 bar). Maximum temperature 230 degrees F (110 degrees C).
k.		Agency approval class cULus.
2.		Models:
a.		Code 255050A Dual-line pump station, return and flow connections and manual air vent. Provide with SolarFlex adapter fittings for top and bottom flow and return connections.
b.		Code 256050A Single-line pump station, return connections only. Provide with SolarFlex adapter fittings for top and bottom return connections.
3.		Model: Threaded end connections.
a.		Code NA26640 for single-line pump station: 1/2 inch adapter to top or bottom, 3/4 inch male straight thread by 3/4 inch male straight thread.
b.		Code NA26740 for dual-line pump station: 1/2 inch adapter to top and bottom, 3/4 inch male straight thread by 3/4 inch male straight thread.
c.		Code NA26650 for single-line pump station: 3/4 inch adapter to top or bottom, 1 inch male straight thread by 1 inch male straight thread.
d.		Code NA26750 for dual-line pump station: 3/4 inch adapter to top and bottom, 1 inch male straight thread by 1 inch male straight thread.
e.		Code NA26660 for single-line pump station: 1 inch adapter to top or bottom, 1-1/4 inch male straight thread by 1-1/4 inch male straight thread.
f.		Code NA26760 for dual-line pump station: 1 inch adapter to top and bottom, 1-1/4 inch male straight thread by 1-1/4 inch male straight thread.
4.		Model: Sweat end connections.
a.		Code NA26649 for single-line pump station: 1/2 inch sweat to top or bottom, 3/4 inch male straight thread by 1-1/2 inch sweat.
b.		Code NA26749 for dual-line pump station: 1/2 inch sweat to top and bottom, 3/4 inch male straight thread by 1/2 inch sweat.
c.		Code NA26659 for single-line pump station: 3/4 inch sweat to top or bottom, 3/4 inch male straight thread by 3/4 inch sweat.
d.		Code NA26759 for dual-line pump station: 3/4 inch sweat to top and bottom, 3/4 inch male straight thread by 3/4 inch sweat.
e.		Code NA26669 for single-line pump station: 1 inch sweat to top or bottom, 3/4 inch male straight thread by 1 inch sweat.
f.		Code NA26769 for dual-line pump station: 1 inch sweat to top and bottom, 3/4 inch male straight thread by 1 inch sweat.
G.		Solar Pump Station: Solar pump station for pressured closed-loop systems without pump. Connections 3/4 inch female straight thread. Brass body. Steel and aluminum temperature gauges in return (and flow for dual-line models). PTFE and EPDM seals. EPDM and Viton O-Rings. AFM 34 gaskets, asbestos free. EPP insulating shell, thermal conductivity R4. Ball valves with built-in flow checks in return and flow for dual-line models. Expansion tank connection 1/2 inch male straight thread. Fillilng/drain hose connections 3/4 inch male hose thread.
1.		Capabilities:
a.		Suitable fluids: water or 50 percent maximum glycol solution. 
b.		Maximum working temperature 360 degrees F (180 degrees C). 
c.		Maximum working pressure 150 psi (10 bar). 
d.		Safety relief valve temperature range minus 20 degrees F to 360 degrees F (minus 30 degrees C to 180 degrees C).
e.		Safety relief valve factory set at 90 psi (6 bar).
f.		Minimum opening shut-off and check valve differential pressure 1/4 psi (2 kPa).
g.		Flow meter scale 1/2 gpm to 5 gpm (1l/min to 20 l/min).
h.		Maximum return flow meter temperature 265 degrees F (130 degrees C).
i.		Pressure gauge scale 0 psi to 90 psi (0 bar to 6 bar).
j.		Temperature gauge scale 32 degrees F to 320 degrees F (0 degrees C to 160 degrees C).
k.		Agency approval class cULus.
l.		Provide with optional Code NA26711 DC Strong solar pump, 8 to 34 VDC, 15 feet head, 7 gpm at 24 VDC, 8 feet head, 4 gpm at 12 VDC, power consumption 30 to 45 W, maximum working pressure 150 psi (10 bar), maximum temperature minus 10 degrees F to 230 degrees F (minus 24 degrees C to 110 degrees C).
2.		Models:
a.		Code 255056A Dual-line pump station, return and flow connections and manual air vent. Provide with SolarFlex adapter fittings for top and bottom flow and return connections.
b.		Code 256056A Single-line pump station, return connections only. Provide with SolarFlex adapter fittings for top and bottom return connections.
3.		Model: Threaded end connections.
a.		Code NA26640 for single-line pump station: 1/2 inch adapter to top or bottom, 3/4 inch male straight thread by 3/4 inch male straight thread.
b.		Code NA26740 for dual-line pump station: 1/2 inch adapter to top and bottom, 3/4 inch male straight thread by 3/4 inch male straight thread.
c.		Code NA26650 for single-line pump station: 3/4 inch adapter to top or bottom, 1 inch male straight thread by 1 inch male straight thread.
d.		Code NA26750 for dual-line pump station: 3/4 inch adapter to top and bottom, 1 inch male straight thread by 1 inch male straight thread.
e.		Code NA26660 for single-line pump station: 1 inch adapter to top or bottom, 1-1/4 inch male straight thread by 1-1/4 inch male straight thread.
f.		Code NA26760 for dual-line pump station: 1 inch adapter to top and bottom, 1-1/4 inch male straight thread by 1-1/4 inch male straight thread.
4.		Model: Sweat end connections.
a.		Code NA26649 for single-line pump station: 1/2 inch sweat to top or bottom, 3/4 inch male straight thread by 1-1/2 inch sweat.
b.		Code NA26749 for dual-line pump station: 1/2 inch sweat to top and bottom, 3/4 inch male straight thread by 1/2 inch sweat.
c.		Code NA26659 for single-line pump station: 3/4 inch sweat to top or bottom, 3/4 inch male straight thread by 3/4 inch sweat.
d.		Code NA26759 for dual-line pump station: 3/4 inch sweat to top and bottom, 3/4 inch male straight thread by 3/4 inch sweat.
e.		Code NA26669 for single-line pump station: 1 inch sweat to top or bottom, 3/4 inch male straight thread by 1 inch sweat.
f.		Code NA26769 for dual-line pump station: 1 inch sweat to top and bottom, 3/4 inch male straight thread by 1 inch sweat.
H.		Single-Line Solar Pump Station: Code 256059A single-line solar pump station for drainback systems with pump. Connections 3/4 inch female straight thread. Brass body. Steel and aluminum temperature gauges in return. PTFE and EPDM seals. EPDM and Viton O-Rings. AFM 34 gaskets, asbestos free. EPP insulating shell, thermal conductivity R4. Ball valves with built-in flow checks in return. Filling/drain hose connections 3/4 inch male hose thread. Expansion tank connection 1/2 inch male straight thread. Provide with SolarFlex adapter fittings for top or bottom return connections.
1.		Capabilities:
a.		Suitable fluids: water or 50 percent maximum glycol solution.
b.		Maximum working temperature 360 degrees F (180 degrees C).
c.		Maximum working pressure 150 psi (10 bar).
d.		Safety relief valve temperature range minus 20 degrees F to 360 degrees F (minus 30 degrees C to 180 degrees C). Safety relief valve factory set at 90 psi (6 bar).
e.		Minimum opening shut-off and check valve differential pressure 1/4 psi (2 kPa).
f.		Flow meter scale 1/2 gpm to 5 gpm (1 l/mion to 20 l/min).
g.		Maximum return flow meter temperature 265 degrees F (130 degrees C).
h.		Pressure gauge scale 0 psi to 90 psi (0 bar to 6 bar).
i.		Temperature gauge scale 32 degrees F to 320 degrees F (0 degrees C to 160 degrees C).
j.		Grundfos UP 15-100 pump, performance 36 feet head, 8 gpm. Cast iron body. Power supply 115V - 60 Hz. Maximum pressure 150 psi (10 bar). Maximum temperature 230 degrees F (110 degrees C).
k.		Agency approval class cULus.
2.		SolarFlex pump station adapter fittings.
a.		Model: Threaded end connections.
1)		Code NA26640 for single-line pump station: 1/2 inch adapter to top or bottom, 3/4 inch male straight thread by 3/4 inch male straight thread.
2)		Code NA26650 for single-line pump station: 3/4 inch adapter to top or bottom, 1 inch male straight thread by 1 inch male straight thread.
3)		Code NA26660 for single-line pump station: 1 inch adapter to top or bottom, 1-1/4 inch male straight thread by 1-1/4 inch male straight thread.
b.		Model: Sweat end connections.
1)		Code NA26649 for single-line pump station: 1/2 inch sweat to top or bottom, 3/4 inch male straight thread by 1-1/2 inch sweat.
2)		Code NA26659 for single-line pump station: 3/4 inch sweat to top or bottom, 3/4 inch male straight thread by 3/4 inch sweat.
3)		Code NA26669 for single-line pump station: 1 inch sweat to top or bottom, 3/4 inch male straight thread by 1 inch sweat.
I.		Dual-line Solar Pump Station: Code NA255160 dual-line solar pump station for pressured closed-loop systems with pump. Connections 1 inch male straight thread. Brass body. Steel and aluminum temperature gauges in flow and return. PTFE and EPDM seals. EPDM and Viton O-Rings. AFM 34 gaskets, asbestos free. EPP insulating shell, thermal conductivity R4. Ball valves with built-in flow checks in flow and return. Filling/drain hose connections 3/4 inch male hose thread. Expansion tank connection 1/2 inch male straight thread. Provide with SolarFlex adapter fittings for top or bottom return connections.
1.		Capabilities:
a.		Suitable fluids: water or 50 percent maximum glycol solution.
b.		Maximum working temperature 360 degrees F (180 degrees C).
c.		Maximum working pressure 150 psi (10 bar).
d.		Safety relief valve temperature range minus 20 degrees F to 360 degrees F (minus 30 degrees C to 180 degrees C). Safety relief valve factory set at 90 psi (6 bar).
e.		Minimum opening check valve differential pressure 1/4 psi (0.66 ft head, 2 kPa).
f.		Flow meter scale 1/2 gpm to 10 gpm (4 l/min to 38 l/min).
g.		Maximum return flow meter temperature 265 degrees F (130 degrees C).
h.		Pressure gauge scale 0 psi to 90 psi (0 bar to 6 bar).
i.		Temperature gauge scale 32 degrees F to 320 degrees F (0 degrees C to 160 degrees C).
j.		Wilo Star S-30 U25 three-speed pump, performance 30 feet head, 10 gpm. Cast iron body. Power supply 115V - 60 Hz. Maximum pressure 150 psi (10 bar). Maximum temperature 230 degrees F (110 degrees C).
k.		Agency approval class cULus.
2.		SolarFlex pump station adapter fittings for pump stations Code NA255160:
a.		Model:
1)		Code NA15550 for dual-line pump station: 1 inch female straight thread adapter for top and bottom by 3/4 inch NPT male union.
2)		Code NA15559 for dual-line pump station: 1 inch female straight thread adapter for top and bottom by 3/4 inch sweat union.
3)		Code NA15560 for dual-line pump station: 1 inch female straight thread adapter for top and bottom by 1 inch NPT male union.
4)		Code NA15569 for dual-line pump station: 1 inch female straight thread adapter for top and bottom by 1 inch sweat union,
5)		Code NA15570 for dual-line pump station: 1 inch female straight thread adapter for top and bottom by 1-1/4 inch male straight thread, 1 inch SolarFlex.
J.		Multi-Functional Differential Temperature Controller: iSolar multi-functional differential temperature controller. Pt1000 temperature sensor inputs. Power supply 100 to 240 V - 50/60 Hz. VBus data interface. Controller display LCD with 16 segment alphanumeric display and 8 system status symbols, operating interface three soft-push control buttons, operating LED control lamp, PC-ABS plastic housing, mounting for wall or in 255, 256 series solar pump stations. Provide with Code NA10120 steel electrical mounting box with cover, UL listed. 
1.		Capabilities:
a.		Differential temperature adjustment range 2 degrees FDELTA_SYMBOL to 40 degrees FDELTA_SYMBOL (1 degrees CDELTA_SYMBOL to 20 degrees CDELTA_SYMBOL).
b.		Minimum temperature differential 2 degrees FA (1 degrees CA).
c.		Hysteresis: 2 degrees FA, plus or minus 1 degree F A (1 degree CA, plus or minus 0.5 degrees CA).
d.		Maximum tank temperature range 35 degrees F to 205 degrees F (2 degrees C to 95 degrees C).
e.		Maximum collector temperature range 210 degrees F to 375 degrees F (100 degrees C to 190 degrees C).
f.		Emergency shut-down temperature range of the collector 230 degrees F to 395 degrees F (110 degrees C to 200 degrees C).
g.		Minimum collector temperature range 50 degrees F to 195 degrees F (10 degrees C to 90 degrees C).
h.		Antifreeze temperature option: 15 degrees F to 50 degrees F (minus 10 degrees C to 10 degrees C),
i.		kWh (BTU) calculation flow input 0 gpm to 5 gpm (0 lpm to 20 lpm). 
j.		Platinum RTD type 1,000 ohm sensors, collector sensor working range minus 58 degrees F to 355 degrees F (minus 50 degrees C to 180 degrees C), tank sensor working range 15 degrees F to 175 degrees F (minus10 degrees C to 80 degrees C), length of collector black cable 60 inches (1.5 m), length of tank sensor gray cable 95 inches (2.5 m).
k.		Agency approval cTUVus. 
2.		Model:
a.		Code 257220A iSolar 2: One triac 1A/115 V relay, 1 pre-configured solar system arrangement, with 2 pt1000 temperature sensors, 1 collector sensor (black cable) and 1 tank sensor (gray cable). Control for 1 solar collector array, 1 solar storage tank, drainback pump speed control, collector freeze protection, evacuated tube collector function, minimum collector temperature, collector cooling functions, tank (night time) cooling, emergency shutdown functions, energy metering measurement and Vbus data communication.
b.		Code 257240A iSolar 4: one triac 1A/115 V relay, one standard 1A/115 V relay, 1 pre-configured solar system arrangement, with 2 pt1000 temperature sensors, 1 collector sensor (black cable) and 1 tank sensor (gray cable). Control for 1 solar collector array, 1 solar storage tank, drainback pump speed control, drainback booster pump, time-controlled thermostat function, backup heat function, heat dump function, real time clock (timer function), collector freeze protection, evacuated tube collector function, minimum collector temperature, collector cooling functions, tank (night time) cooling, emergency shutdown functions, energy metering measurement and Vbus data communication.
c.		Code 257260A iSolar PLUS: two triac 1A/115 V relays, 10 pre-configured solar system arrangements, with 4 pt1000 temperature sensors, 2 collector sensors (black cable) and 2 tank sensors (gray cable).. Control for 2 solar collector array, 2 solar storage tank, two tank priority logic, second differential temperature function, drainback pump speed control, drainback booster pump, time-controlled thermostat function, backup heat function, heat dump function, real time clock (timer function), collector freeze protection, evacuated tube collector function, minimum collector temperature, collector cooling functions, tank (night time) cooling, emergency shutdown functions, operating hours counter, energy metering measurement and Vbus data communication.
K.		Multi-Functional Differential Temperature System Controller: Code 257270A iSolar BX multi-functional differential temperature system controller provided with five Pt1000 temperature sensor inputs complete with 2 collector sensors (black cable) and 2 tank sensors (gray cable), three triac 1A/115 V relays and one standard 2A/115 V relay, two analog Grundfos Direct sensor inputs and one V40 impulse flow meter input, 26 pre-configured solar system arrangements for control of standard solar water heating, drainback systems, supplemental space heating, multiple storage tanks, heat dump and storage tank booster heating. Power supply 100 to 240 V, 50/60 Hz. VBus data interface.Controller display LCD with 16 segment alphanumeric display, 7 segment numeric display and 8 system status symbols, operating interface seven soft-push control buttons, SD memory card slot for data logging with SD memory card, operating LED control lamp, PC-ABS and PMMA plastic housing for indoor wall mounting. Control for 2 solar collector array, 2 solar storage tanks, priority logic, second differential temperature function, pump speed control, drainback booster pump, time-controlled thermostat function, backup heat function, heat dump function, real time clock (timer function), collector freeze protection, evacuated tube collector function, minimum collector temperature, collector cooling functions, tank (night time) cooling, emergency shutdown functions, operating hours counter, energy generation measurement, parallel relay function, manual operation, and Vbus data communication. Provide with Code NA15027 steel electrical mounting box with cover and Grundfos flow, pressure and temperature sensors for energy metering.
1.		Capabilities:
a.		Differential temperature adjustment range 2 degrees FDELTA_SYMBOL to 40 degrees FDELTA_SYMBOL (1 degrees CDELTA_SYMBOL to 20 degrees CDELTA_SYMBOL).
b.		Minimum temperature differential 2 degrees FA (1 degrees CA).
c.		Hysteresis: 2 degrees FA, plus or minus 1 degrees FA (1 degrees CA plus or minus 0.5 degrees CA) 
d.		Maximum tank temperature range 35 degrees F to 205 degrees F (1 degrees C to 95 degrees C).
e.		Maximum collector temperature range 210 degrees F to 375 degrees F (100 degrees C to 190 degrees C).
f.		Emergency shut-down temperature range of the collector 230 degrees F to 395 degrees F (110 degrees C to 200 degrees C).
g.		Minimum collector temperature range 50 degrees F to 195 degrees F (10 degrees C to 90 degrees C).
h.		Antifreeze temperature option: 15 degrees F to 50 degrees F (minus 10 degrees C to 10 degrees C).
i.		kWh (BTU) calculation flow input 0 gpm to 26 gpm (0 lpm to 99 lpm). 
j.		Platinum RTD type 1,000 ohm sensors.
k.		Collector sensor working range minus 58 degrees F to 355 degrees F (minus 50 degrees C to 180 degrees C).
l.		Tank sensor working range 15 degrees F to 175 degrees F (minus 10 degrees C to 80 degrees C).
m.		Length of collector black cable 60 inches (1.5 m).
n.		Length of tank sensor gray cable 95 inches (2.5 m). 
o.		Agency approval cTUVus. 
2.		Grundfos Analog Direct Sensors for iSolar code 257270A BX differential temperature controller: 
a.		Code N15010 RPS 0-10 two-in-one pressure/temperature sensor, pressure range 0 psi to 150 psi (0 bar to 10 bar), maximum working pressure 150 psi (10 bar), pressure measurement accuracy 2.5 percent full-scale, pressure response time less than 1 second, maximum fluid temperature 250 degrees F (120 degrees C), temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C), temperature measuring accuracy 2 percent, temperature response time less than 1 second. Power supply 5 VDC. Suitable fluids: water or 50 percent maximum glycol solution. Provided with brass body, EPDM seals, sensor housing PPS, PA66 composites, connection 1/2 inch NPT male. Requires code NA15028 connecting cable to BX controller
b.		Code NA15014 RPS 0-10 two-in-one pressure/temperature sensor, pressure range 0 psi to 150 psi (0 bar to 10 bar), maximum working pressure 150 psi (10 bar), pressure measurement accuracy 2.5 percent full-scale, pressure response time less than 1 second, maximum fluid temperature 250 degrees F (120 degrees C), temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C), temperature measuring accuracy 2 percent, temperature response time less than 1 second. Power supply 5 VDC. Suitable fluids: water or 50 percent maximum glycol solution, inline brass or stainless steel body, EPDM seals, sensor housing PPS, PA66 composites, connection 1 inch straight male union thread. Provide with code NA122 series adapter fittings kits for sweat or NPT male, 1/2 inch, 3/4 inch or 1 inch. Requires code NA15028 connecting cable to BX controller.
c.		VFS two-in-one flow/temperature sensor, maximum working pressure 150 psi (10 bar), temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C), temperature measuring accuracy 2 percent, temperature response time less than 1 second. Flow measurement accuracy 1.5 percent, flow response time less than 1 second. Power supply 5 VDC. Suitable fluids: water or 50 percent maximum glycol solution, inline brass or stainless steel body, EPDM seals, sensor housing PPS, PA66 composites, connection 1 inch straight male union thread. Provide with Code NA122 series adapter fittings kits for sweat or NPT male, 1/2 inch, 3/4 inch or 1 inch. Requires code NA15028 connecting cable to BX controller.
1)		Model:
a)		Code NA15015 VFS 1-12, flow measuring rate 1/4 to 3 gallons (1 to 12 L) per minute.
b)		Code NA15016 VFS 2-40, flow measuring rate 1/2 to 10 gallons (2 to 30 L) per minute.
c)		Code NA15028 molded cable for connecting Grundfos VFS and RPS sensors to BX controller with connector plug.
d.		Adapter Fittings:
1)		Code NA12240: 1/2 inch NPT male thread.
2)		Code NA12249: 1/2 inch sweat fitting.
3)		Code NA12250: 3/4 inch NPT male thread.
4)		Code NA12259: 3/4 inch sweat fitting.
5)		Code NA12260: 1 inch NPT male thread.
6)		Code NA12269: 1 inch sweat fitting.
3.		Code NA797 series V40 Rotary pulse flow meters for iSolar code 257270A BX differential temperature controller, provided with body and sealing plate brass, head to body seals EPDM, meter head housing brass, stainless steel, composites, bearings hard metal, sapphire, chrome nickel steel, impeller wheel/head piece high grade synthetic material. Suitable fluids: water or 50 percent maximum glycol solution. Flow accuracy full-scale plus or minus 2%. Maximum working pressure 235 psi (16 bar). Working temperature range minus 40 degrees F to 210 degrees F (minus 40 degrees C to 100 degrees C), Maximum fluid temperature 265 degrees F (130 degrees C). Accurate to International Standards OIML R75, EN1434 and MID.
a.		Model:
1)		Code NA79701 Single jet, 1 pulse equals 1 liter (input value to BX controller), flow measuring rate 1/4 gallon to 10 gallons (1 Liter to 40 Liters) per minute, provided with adapter fittings 3/4 inch union sweat.
2)		Code NA79702 Multi-jet, 1 pulse equals 2.5 liters (input value to BX controller), flow measuring rate 1/2 gallons to 15 gallons (2 Liters to 50 Liters) per minute, provided with adapter fittings 1 inch union sweat.
3)		Code NA79703 Multi-jet, 1 pulse equals 10 liters (input value to BX controller), flow measuring rate 1/2 gallons to 25 gallons (2 Liters to 100 Liters) per minute, provided with adapter fittings 1-1/4 inch union sweat.
4)		Code NA79704 Multi-jet, 1 pulse equals 10 liters (input value to BX controller), measuring rate 1 gpm to 45 gpm (4 l/min to 170 l/min), provided with adapter fittings 1-1/2 inch union sweat.
5)		Code NA79705 Multi-jet, 1 pulse equals 10 liters (input value to BX controller), measuring rate 1-1/2 gpm to 65 gpm (6 l/min to 240 l/min), provided with adapter fittings 2 inch union sweat.
L.		Multi-Functional Differential Temperature System Controller: Code 257280A LTE iSolar MX LTE multi-functional differential temperature system controller provided with eight Pt1000 temperature sensor inputs complete with 2 collector sensors (black cable) and 3 tank sensors (gray cable), four triac 1A/120VAC relays and one dry contact 2A/24VAC relay, one V40 impulse flow meter input, one CS10 irradiation sensor input, one 0-10V high efficiency pump speed control with 0-10V adapter cable, 20 predefined system arrangements with additional optional functions, for control of standard solar water heating, drainback systems, up to 4 storage tanks, heat dump and storage tank booster heating. Power supply 100 to 240 V, 50/60 Hz. VBus data interface.Controller display LCD with 16 segment alphanumeric display, 7 segment numeric display and 8 system status symbols, operating interface seven soft-push control buttons, SD memory card slot for data logging with SD memory card, operating LED control lamp, PC-ABS and PMMA plastic housing for indoor wall mounting. Control for 2 solar collector array, 4 solar storage tanks, priority logic, second differential temperature function, pump speed control, drainback booster pump, time-controlled thermostat function, backup heat function, heat dump function, real time clock (timer function), collector freeze protection, evacuated tube collector function, minimum collector temperature, collector cooling functions, tank (night time) cooling, emergency shutdown functions, operating hours counter, energy generation measurement, parallel relay function, manual operation, and Vbus data communication. Provide with Code NA15027 steel electrical mounting box with cover and V40 flow meter for energy metering.
1.		Capabilities:
a.		Differential temperature adjustment range 2 degrees FDELTA_SYMBOL to 40 degrees FDELTA_SYMBOL (1 degrees CDELTA_SYMBOL to 20 degrees CDELTA_SYMBOL).
b.		Minimum temperature differential 2 degrees FA (1 degrees CA).
c.		Hysteresis: 2 degrees FA, plus or minus 1 degrees FA (1 degrees CA plus or minus 0.5 degrees CA) 
d.		Maximum tank temperature range 35 degrees F to 205 degrees F (1 degrees C to 95 degrees C).
e.		Maximum collector temperature range 210 degrees F to 375 degrees F (100 degrees C to 190 degrees C).
f.		Emergency shut-down temperature range of the collector 230 degrees F to 395 degrees F (110 degrees C to 200 degrees C).
g.		Minimum collector temperature range 50 degrees F to 195 degrees F (10 degrees C to 90 degrees C).
h.		Antifreeze temperature option: 15 degrees F to 50 degrees F (minus 10 degrees C to 10 degrees C).
i.		kWh (BTU) calculation flow input 0 gpm to 99 gpm (0 lpm to 375 lpm). 
j.		Platinum RTD type 1,000 ohm sensors.
k.		Collector sensor working range minus 58 degrees F to 355 degrees F (minus 50 degrees C to 180 degrees C).
l.		Tank sensor working range 15 degrees F to 175 degrees F (minus 10 degrees C to 80 degrees C).
m.		Length of collector black cable 60 inches (1.5 m).
n.		Length of tank sensor gray cable 95 inches (2.5 m). 
o.		Agency approval cTUVus. 
2.		Code NA797 series V40 Rotary pulse flow meters for iSolar code 257270A BX differential temperature controller, provided with body and sealing plate brass, head to body seals EPDM, meter head housing brass, stainless steel, composites, bearings hard metal, sapphire, chrome nickel steel, impeller wheel/head piece high grade synthetic material. Suitable fluids: water or 50 percent maximum glycol solution. Flow accuracy full-scale plus or minus 2%. Maximum working pressure 235 psi (16 bar). Working temperature range minus 40 degrees F to 210 degrees F (minus 40 degrees C to 100 degrees C), Maximum fluid temperature 265 degrees F (130 degrees C). Accurate to International Standards OIML R75, EN1434 and MID. 
a.		Model:
1)		Code NA79701 Single jet, 1 pulse equals 1 liter (input value to BX controller), flow measuring rate 1/4 gallon to 10 gallons (1 Liter to 40 Liters) per minute, provided with adapter fittings 3/4 inch union sweat.
2)		Code NA79702 Multi-jet, 1 pulse equals 2.5 liters (input value to BX controller), flow measuring rate 1/2 gallons to 15 gallons (2 Liters to 50 Liters) per minute, provided with adapter fittings 1 inch union sweat.
3)		Code NA79703 Multi-jet, 1 pulse equals 10 liters (input value to BX controller), flow measuring rate 1/2 gallons to 25 gallons (2 Liters to 100 Liters) per minute, provided with adapter fittings 1-1/4 inch union sweat.
4)		Code NA79704 Multi-jet, 1 pulse equals 10 liters (input value to BX controller), measuring rate 1 gpm to 45 gpm (4 l/min to 170 l/min), provided with adapter fittings 1-1/2 inch union sweat.
5)		Code NA79705 Multi-jet, 1 pulse equals 10 liters (input value to BX controller), measuring rate 1-1/2 gpm to 65 gpm (6 l/min to 240 l/min), provided with adapter fittings 2 inch union sweat.
M.		Grundfos Analog Direct Sensors:
1.		Code N15010 RPS 0-10 two-in-one pressure/temperature sensor, pressure range 0 psi to 150 psi (0 bar to 10 bar), maximum working pressure 150 psi (10 bar), pressure measurement accuracy 2.5 percent full-scale, pressure response time less than 1 second, maximum fluid temperature 250 degrees F (120 degrees C), temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C), temperature measuring accuracy 2 percent, temperature response time less than 1 second. Power supply 5 VDC. Suitable fluids: water or 50 percent maximum glycol solution. Provided with brass body, EPDM seals, sensor housing PPS, PA66 composites, connection 1/2 inch NPT male. Requires code NA15028 or NA15030 connecting cable.
2.		Code NA15014 RPS 0-10 two-in-one pressure/temperature sensor, pressure range 0 psi to 150 psi (0 bar to 10 bar), maximum working pressure 150 psi (10 bar), pressure measurement accuracy 2.5 percent full-scale, pressure response time less than 1 second, maximum fluid temperature 250 degrees F (120 degrees C), temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C), temperature measuring accuracy 2 percent, temperature response time less than 1 second. Power supply 5 VDC. Suitable fluids: water or 50 percent maximum glycol solution, inline brass or stainless steel body, EPDM seals, sensor housing PPS, PA66 composites, connection 1 inch straight male union thread. Provide with Code NA122 series adapter fittings kits for sweat or NPT male, 1/2 inch, 3/4 inch, or 1 inch. Requires code NA15028 or NA15030 connecting cable.
3.		VFS two-in-one flow/temperature sensor, maximum working pressure 150 psi (10 bar). Temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C), temperature measuring accuracy 2 percent, temperature response time less than 1 second. Flow measurement accuracy 1.5 percent, flow response time less than 1 second. Power supply 5 VDC. Suitable fluids: water or 50 percent maximum glycol solution, inline brass or stainless steel body, EPDM seals, sensor housing PPS, PA66 composites, connection 1 inch straight male union thread. Provide with code NA122 series adapter fittings kits for sweat or NPT male, 1/2 inch, 3/4 inch, or 1 inch. Requires code NA15028 or NA15030 connecting cable.
a.		Model:
1)		Code NA15015 VFS 1-12, flow measuring rate 1/4 gallon to 3 gallons (1 L to 12 L) per minute.
2)		Code NA15016 VFS 2-40, flow measuring rate 1/2 gallon to 10 gallons (2 L to 30 L) per minute.
3)		Code NA15017 VFS 5-100, flow measuring rate 1-1/2 gallons to 15 gallons (5 L to 40 L) per minute.
4)		Code NA15018 VFS 10-200, flow measuring rate 2-1/2 gallons to 20 gallons (10 L to 75 L) per minute. 1 inch sweat union included.
5)		Code NA15019 VFS 20-400, flow measuring rate 5 gallons to 45 gallons (20 L to 130 L) per minute. 1-1/4 inch sweat union included.
6)		Code NA15028 molded cable for connecting Grundfos VFS and RPS sensors to BX controller with connector plug.
7)		Code NA15030 molded cable for connecting Grundfos VFS and RPS sensors to WM2-G1 energy heat meter with 4 pin connector.
N.		Code NA797 series V40 Rotary pulse flow meters provided with body and sealing plate brass, head to body seals EPDM, meter head housing brass, stainless steel, composites, bearings hard metal, sapphire, chrome nickel steel, impeller wheel/head piece high grade synthetic material. Suitable fluids: water or 50 percent maximum glycol solution. Flow accuracy full-scale plus or minus 2 percent. Maximum working pressure 235 psi (16 bar). Working temperature range minus 40 degrees F to 210 degrees F (minus 40 degrees C to 100 degrees C), Maximum fluid temperature 265 degrees F (130 degrees C). Accurate to International Standards OIML R75, EN1434 and MID.
1.		Model:
a.		Code NA79701 Single jet, 1 pulse equals 1 liter, flow measuring rate 1/4 gallon to 10 gallons (1 L to 40 L) per minute, provided with adapter fittings 3/4 inch union sweat.
b.		Code NA79702 Multi-jet, 1 pulse equals 2.5 liters, flow measuring rate 1/2 gallon to 15 gallons (2 L to 50 L) per minute, provided with adapter fittings 1 inch union sweat.
c.		Code NA79703 Multi-jet, 1 pulse equals 10 liters, flow measuring rate 1/2 gallons to 25 gallons (2 L to 100 L) per minute, provided with adapter fittings 1-1/4 inch union sweat.
d.		Code NA79704 Multi-jet, 1 pulse equals 10 liters, flow measuring rate 1 gallon to 45 gallons (4 L to 170 L) per minute, provided with adapter fittings 1-1/2 inch union sweat.
e.		Code NA79705 Multi-jet, 1 pulse equals 10 liters, flow measuring rate 1-1/2 gallons to 65 gallons (6 L to 240 L) per minute, provided with adapter fittings 2 inch union sweat.
O.		SolarCon Storage Tank: Provided with lower heat exchanger coil and back up electric heating element (or second upper heat exchanger coil), porcelain glass-coated steel lining, 2 inch non-CFC foam tank insulation with R16 thermal conductivity, powder-coated steel (20-24 gauge.) external tank cover, two magnesium anode rods, drain valve. Maximum tank temperature 180 degrees F (80 degrees C), maximum working pressure 150 psi (10 bar), testing pressure 300 psi (20 bar), temperature and pressure relief valve 210 degrees F/150 psi max (100 degrees C/10 bar). Recommended maximum delivery hot water temperature 120 degrees F (50 degrees C). Power requirements 240 VAC. Electric element power consumption 4.5 KW, UL Listed.
1.		Model:
a.		Code NAS20053: 50 gallon single coil heat exchanger with electric heating element, provided with 1-1/2 inch by 30 foot porcelain-coated steel lower internal heat exchanger coil, two 1 inch NPT male side connections and two 3/4 inch NPT female top connections.
b.		Code NAS20083: 80 gallon single coil heat exchanger with electric heating element, provided with 1-1/2 inch x 36 foot porcelain-coated steel lower internal heat exchanger coil, three 1 inch NPT male side connections and one 1 inch NPT male top connection.
c.		Code NAS20082: 80 gallon dual coil heat exchanger (no electric element), provided with 1-1/2 inch by 36 foot porcelain-coated steel lower internal heat exchanger coil, 1-1/2 inch by 24 foot porcelain-coated steel upper internal heat exchanger coil, five 1 inch NPT male side connections and one 1 inch NPT male top connection.
d.		Code NAS20123: 120 gallon single coil heat exchanger with electric heating element, provided with 1-1/2 inch by 36 foot porcelain-coated steel lower internal heat exchanger coil, three 1 inch NPT male side connections and one 1 inch NPT male top connection.
e.		Code NAS20122: 120 gallon dual coil heat exchanger (no electric element), provided with 1-1/2 inch by 36 foot porcelain-coated steel lower internal heat exchanger coil, 1-1/2 inch by 24 foot porcelain-coated steel upper internal heat exchanger coil, five 1 inch NPT male side connections and one 1 inch NPT male top connection.
f.		Code NAS20124: 120 gallon dual coil heat exchanger with electric heating element, provided with 1-1/2 inch by 36 foot porcelain-coated steel lower internal heat exchanger coil, 1-1/2 inch by 24 foot porcelain-coated steel upper internal heat exchanger coil, five 1 inch NPT male side connections and one 1 inch NPT male top connection.
P.		ThermoCon Buffer Storage Tank: Vertical insulated water tank, four pipe connections, porcelain lined steel internal walls, powder-coated steel, 20-24 gauge external cover and 2 inch thick non-CFC foam insulation (minimum R16) on sides, top and bottom.
1.		Capabilities:
a.		Maximum working pressure: 150 psi (10 bar).
b.		Testing pressure: 300 psi (20 bar).
c.		Maximum tank temperature: 180 degrees F (80 degrees C).
d.		Recommended maximum delivery hot water temperature: 120 degrees F (50 degrees C).
2.		Model:
a.		NAS20025, 25 gallon. 3 top connections: 1-1/2 inch NPT male with dip tube to draw cooler water from tank bottom, 1-1/2 inch NPT female, 3/4 inch NPT female. 5 side connections: (4) 1-1/2 inch NPT female, (1) 3/4 inch NPT female.
b.		NAS20050, 50 gallon. 3 top connections: 3/4 inch NPT female. 7 side connections: 2 inch NPT female.
c.		NAS20080, 80 gallon. 3 top connections: 3/4 inch NPT female. 7 side connections: 2 inch NPT female.
d.		NAS20120, 120 gallon. 3 top connections: 3/4 inch NPT female. 7 side connections: 2 inch NPT female.
Q.		Expansion Tanks: Code 259 series SolarPlus expansion tanks for pressurized solar heating systems: Provided with EPDM diaphragm in an epoxy coated welded steel tank. System temperature range 15 degrees F to 250 degrees F (minus 10 degrees C to 120 degrees C), maximum diaphragm temperature 210 degrees F (100 degrees C), maximum working pressure 150 psi (10 bar), pre-charged pressure 35 psi (2.5 bar), 3/4 inch straight thread connection, and suitable fluids: water or 50 percent maximum glycol solution. Provide with code 255007 expansion tank connection kit, consisting of a flexible stainless steel hose, a double automatic check valve, wall bracket (for expansion tank maximum capacity 7 gallons) and mounting hardware, maximum working pressure 150 psi (10 bar), maximum check valve working temperature 250 degrees F (120 degrees C), hose length 20 in. (500 mm), 3/4 inch straight thread connection.
1.		Model:
a.		Code 259012: 3 gallon expansion tank
b.		Code 259018: 5 gallon expansion tank
c.		Code 259025: 7 gallon expansion tank
d.		Code 259033: 9 gallon expansion tank
e.		Code 259050: 13 gallon expansion tank
R.		Lightning protector: Code NA15006 SP10 provided with ASA thermo-plastic upper housing, thermo-plastic elastomer lower housing, and NEMA 4 (IP 65) protection type. Ambient temperature: minus 15 degrees F to 160 degrees F (minus 25 degrees C to 70 degrees C). Vertical mounting. Agency approval: CE.
S.		Alarm module: Code NA15009 AM1 provided with plastic: PC-2207 UV housing , protection type Indoor only, ambient temperature minus 13 degrees F to 158 degrees F (minus 25 degrees C to 70 degrees C), wall mounting, display 1 Red LED, VBus data connection interface, power supply VBus, 1 dry contact relay outputs, switching relay capacities: 1 A, 24V AC/DC, agency approvals CE. Sensor failure signal by LED. Supply and control via VBus.
T.		Automatic Air Vent for Solar Heating Systems: Code 250041A provided with 1/2 inch NPT male connection, brass chrome-plated body and cover, stainless steel control spindle, float and seals in high resistance polymer. Suitable fluids: water or 50 percent maximum glycol solution. Working temperature range minus 20 degrees F to 360 degrees F (minus 30 degrees C to 180 degrees C), maximum working pressure 150 psi (10 bar), maximum discharge pressure 75 psi (5 bar).
U.		High-Performance Automatic Air Vent Valve For Solar Heating Systems: Code 251004A DISCALAIR automatic air vent provided with 1/2 inch NPT female connection, brass chrome-plated body and cover, high resistance polymer float, stainless steel float lever and spring, brass float guide, Dezincification-resistant alloy release stem, and high resistance elastomer hydraulic seals. Suitable fluids: water or 50 percent maximum glycol solution. Working temperature range minus 20 degrees F to 320 degrees F (minus 30 degrees to 160 degrees C), maximum working pressure 150 psi (10 bar), maximum discharge pressure 150 psi (10 bar).
V.		Shut-Off Valve For Automatic Air Vent For Solar Heating Systems: Code NA29284 Provide with 1/2 inch NPT female by 1/2 inch NPT male connections, chrome-plated brass body and ball, seals in PTFE. Suitable fluids: water or 50 percent maximum glycol solution. Working temperature range minus 20 degrees F to 360 degrees F (minus 30 degrees C to 180 degrees C), maximum working pressure: 150 psi (10 bar).
W.		Air Separator for Solar Heating System: Code 251003A DISCAL air separator for solar heating systems provided with 3/4 inch NPT female connection,1/2 inch NPT female drain connection, brass chrome-plated body and cover, high resistance polymer float, stainless steel float linkages, brass float guide pin, 304 stainless steel internal coalescing mesh element, dezincification resistant brass valve stem, stainless steel spring and high resistance elastomer seals. Suitable fluids: water or 50 percent maximum glycol solution. Working temperature range minus 20 degrees F to 320 degrees F (minus 30 degrees to 160 degrees C), maximum working pressure 150 psi (10 bar). Flow rate at maximum recommended fluid velocity 4.2 feet per second (1.3 m/s): 6.5 gallons per minute (0.4 liters per second).
X.		Safety Relief Valve for Solar Heating System: Code 253 series safety relief valve for solar heating systems provided with 1/2 inch straight thread female inlet and 3/4 inch straight thread female discharge, brass chrome-plated body, brass control spindle, diaphragm and disk seal in high resistance elastomer, stainless steel spring, PA6G30 control knob, Suitable fluids: water or 50 percent maximum glycol solution. Working temperature range: minus 20 degrees F to 360 degrees F (minus 30 degrees C to 180 degrees C), normal pressure: 150 psi (10 bar) opening overpressure 10 percent, closing differential 20 percent, and discharge capacity 171,000 Btu. CE mark as per Directive 97/23/EC. TuV certified for solar systems. Calibration setting model specific. Meets ANSI Z21.22.
1.		Model:
a.		Code 253042 factory set to 35 psi (2.4 bar).
b.		Code 253043 factory set to 45 psi (3.1 bar).
c.		Code 253044 factory set to 60 psi (4.1 bar).
d.		Code 253046 factory set to 90 psi (6.2 bar).
e.		Code 253048 factory set to 120 psi (8.2 bar).
f.		Code 253040 factory set to 150 psi (10 bar).
Y.		Three-Way Adjustable Thermostatic and Pressure Balanced Mixing Valve: Code 2521 series three-way adjustable thermostatic and pressure balanced mixing valve for solar heating systems. ASSE 1017 approved for point of distribution domestic water systems and solar water heating systems. Provided with low-lead brass body with internal anti-scale materials with locking set point knob. Suitable fluids: water or 30 percent maximum glycol solution. ASSE 1017 approved. Agency approval for low-lead brass body: Lead plumbing law compliance (0.25 percent maximum weighted average lead content). Lead plumbing law certified by IAPMO R&T. Sizes 1/2, 3/4 and 1 inch with sweat connections. Models available with mixed outlet temperature gauge, 30 degrees F to 210 degrees F scale (minus 1 degree C to 99 degrees C), 2 inch diameter. 
1.		Capabilities:
a.		Maximum working pressure (static): 150 psi (10 bar)
b.		Maximum working pressure (dynamic): 75 psi (5 bar).
c.		Minimum working pressure (dynamic): 30 psi (2 bar).
d.		Maximum inlet temperature: 210 degrees F (99 degrees C).
e.		Adjustable range: 80 degrees F to 150 degrees F (27 degrees C to 65 degrees C).
f.		Flow rating: Cv 3.0.
Z.		High Temperature Non-Toxic Glycol: SolarHD Code NA10103 high temperature non-toxic glycol, pre-mixed 50 percent, FDA reference 21 CRF 182.1666, Gosselin TOXICITY INDEX 1, generally recognized as safe for use as direct food additives, NSF listed category code HT1, HT2, NSF registration No. 144912, 5 gallon bucket. Number of gallons system dependent. 
AA.		Code NA255 direct in-line flow meters. Provided with brass body, 1 inch straight male union threads, sight glass high-performance composite, baffle float high-performance composite, spring stainless steel, and seals EPDM. Suitable fluids: water or 50 percent maximum glycol solution. Maximum working pressure 150 psi (10 bar), temperature range: 32 degrees F to 250 degrees F (0 degrees C to 120 degrees C), and measuring accuracy: plus or minus 10 percent. Provide with code NA122 series adapter fittings kits for sweat or NPT male, 1/2 inch, 3/4 inch, or 1 inch. Flow range specific to model:
1.		Model:
a.		Code NA255110 flow meter: 1/2 gpm to 5 gpm (1.9 lpm to18.9 lpm), Cv 10.
b.		Code NA255111 balancing valve with flow meter: 1/2 gpm to 5 gpm (1.9 lpm to 18.9 lpm), Cv 8.
c.		Code NA255112 flow meter: 1gpm to 10 gpm (3.8 lpm to 37.8 lpm), Cv 10.
d.		Code NA255113 balancing valve with flow meter: 1 gpm to 10 gpm (3.8 lpm to 37.8 lpm), Cv 8.
BB.		Code NA510 in-line flow check valves. Provided with brass body, union sweat connections. Suitable fluids: water or 50 percent maximum glycol solution. Maximum working pressure 150 psi (10 bar), temperature range: 32 degrees F to 250 degrees F (0 degrees C to 120 degrees C).
1.		Model:
a.		Code NA51059: 3/4 inch sweat union.
b.		Code NA51060: 1 inch sweat union.
CC.		Diverting Three-Way Valve: Code NA26710 Diverting three-way valve for solar pump station mounting kit. Z-one series motorized two-position spring-return type zone valve. Provided with zero-leakage Z300667 three-way forged brass body, 1 inch straight male union connections, brass trim, stainless steel stem, EPDM seals and seat. Removable Z12600 actuator, normally closed, no auxiliary micro-switch. Full stroke operating time less than 60 seconds powered, 6 seconds spring return. Wire leads 6 inch. Actuator cUL listed, CE. Power supply 120 VAC. Power consumption: 5.0 W, 7 VA. Lost motion transmission disengagement actuation mechanism. Quick-connect actuator-to-valve body assembly (no fastener). Working temperature range: 32 degrees F to 240 degrees F (0 degrees C to 115 degrees C). Maximum static pressure 300 psi (20 bar). Flow ratings, Cv 7.5. Maximum close off pressures, 20 psi (1.4 bar). Suitable fluids: water or 50 percent maximum glycol solution. Kit includes code NAL6363 brass elbow 1 inch straight male union thread by 1-1/4 inch straight female union nut, code NAT636262 brass tee 1 inch straight female union nut by 1 inch straight male union thread by 1 inch straight male union thread, and code NA10092 18 inch SJ round power cord stripped and pre-tinned for connecting to iSolar controller. 
DD.		Series Adapter Fittings Kits: Code NA122 and NA123 series adapter fittings kits with union nuts, washers and tailpieces for solar components with 1 inch straight male union thread connections as specified.
1.		Model:
a.		Code NA12240: 1/2 inch NPT male thread.
b.		Code NA12249: 1/2 inch sweat.
c.		Code NA12250: 3/4 inch NPT male thread.
d.		Code NA12259: 3/4 inch sweat.
e.		Code NA12260: 1 inch NPT male thread.
f.		Code NA12269: 1 inch sweat.
g.		Code NA12340: 1/2 inch NPT male thread.
h.		Code NA12349: 1/2 inch sweat.
i.		Code NA12350: 3/4 inch NPT male thread.
j.		Code NA12359: 3/4 inch sweat.
k.		Code NA12360: 1 inch NPT male thread.
l.		Code NA12369: 1 inch sweat.
EE.		Miscellaneous system components:
1.		Model:
a.		Code NA267003 bracket to mount solar pump station to storage tank, includes bracket and hardware.
b.		Code NA10092 SJ round cord, stripped and pre-tinned, connects pump to iSolar controller.
c.		Code NA12133 hangers with hardware for 3/4 inch SolarFlex piping, 4 pieces.
d.		Code NA3140-02 insulated 6 foot 3/4 inch SolarFlex piping for connecting solar pump station to SolarCon solar storage tank heat exchanger. Includes 1 inch female straight thread union nuts.
e.		Code NA10093 90 degree brass elbow to connect NA3140-02 SolarFlex to SolarCon solar tank heat exchanger, 1 inch NPT female by 1 inch male straight thread.
f.		Code NAT624162 brass tee 1 inch male straight thread by 1/2 inch NPT female by 1 inch straight thread female union nut.
g.		Code NA35001 EPDM foam UV resistant insulating tape to wrap fitting connections, 2 inch by 1/2 inch by 25 foot roll.
h.		Code NA35002 UV-resistant black film tape, 2 inch by 30 foot roll to wrap foam tape code NA35001.
i.		Code NA15012 solid state relay used as an isolation speed control relay. Provided with an ASA thermoplastic housing. VAC, input voltage range 75 -120 VAC, operating ambient temperature minus 25 degrees F to 175 degrees F (minus 30 degrees C to 80 degrees C), rated load voltage 24 -120 VAC, load voltage range 19 to 132 VAC, load current without heat sink 0.1 - 5 A at 105 degrees F (40 degrees C).
FF.		Connection kits for connecting collectors, includes union nuts, washers, disks, plug and nipples, quantities system dependent.
1.		Model:
a.		Code NA12145, connecting 6.5 foot collectors, 2 washers, 2 nuts, 2 disks, and 1 plug.
b.		Code NA12146, connecting 8 foot and 10 foot collectors, even number, 4 washers, 2 nuts, 2 disks, 1 plug, and 1 nipple.
c.		Code NA12147, connecting 8 foot and 10 foot collectors, odd number, 4 washers, 2 nuts, 2 disks, 2 plugs, and 1 male thread tailpiece.
GG.		Intelligent Energy Heat Meters: Code 257202AG1 iSolar WMZ-G1 intelligent energy heat meter. Provided with Vbus data connection and kilowatt hours calculated heat energy stored and displayed. Power supply 24 V AC/DC. Power failure protection. Inputs: 2 analog Grundfos sensors, Output: 1 alarm relay, capacity 1 A 24 V AC/DC. Housing plastic PC-ABS and PMMA. Temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C). Pressure measuring range 0 psi to 150 psi (0 bar to 10 bar). Provide with Grundfos Analog Direct Sensors, flow, pressure and temperature sensors for energy metering:
1.		Model:
a.		Code NA15010 RPS 0-10 two-in-one pressure/temperature sensor, pressure range 0 psi to 150 psi (0 bar to 10 bar), maximum working pressure 150 psi (10 bar), pressure measurement accuracy 2.5 percent full-scale, pressure response time less than 1 second, maximum fluid temperature 250 degrees F (120 degrees C), temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C), temperature measuring accuracy 2 percent, temperature response time less than 1 second. Power supply 5 VDC. Suitable fluids: water or 50 percent maximum glycol solution. Provided with brass body, EPDM seals, sensor housing PPS, PA66 composites, connection 1/2 inch NPT male. Requires code NA15030 connecting cable to WMZ-G1 meter.
b.		Code NA15014 RPS 0-10 two-in-one pressure/temperature sensor, pressure range 0 psi to 150 psi (0 bar to 10 bar), maximum working pressure 150 psi (10 bar), pressure measurement accuracy 2.5 percent full-scale, pressure response time less than 1 second, maximum fluid temperature 250 degrees F (120 degrees C), temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C), temperature measuring accuracy 2 percent, temperature response time less than 1 second. Power supply 5 VDC. Suitable fluids: water or 50 percent maximum glycol solution, inline brass or stainless steel body, EPDM seals, sensor housing PPS, PA66 composites, connection 1 inch straight male union thread. Provide with Code NA122 series adapter fittings kits for sweat or NPT male, 1/2 inch, 3/4 inch, or 1 inch. Requires code NA15030 connecting cable to WMZ-G1 meter.
c.		VFS two-in-one flow/temperature sensor, maximum working pressure 150 psi (10 bar), temperature measuring range 32 degrees F to 210 degrees F (0 degrees C to 100 degrees C), temperature measuring accuracy 2 percent, temperature response time less than 1 second. Flow measurement accuracy 1.5 percent, flow response time less than 1 second. Power Supply 5 VDC. Suitable fluids: water or 50 percent maximum glycol solution, inline brass or stainless steel body, EPDM seals, sensor housing PPS, PA66 composites, connection 1 inch straight male union thread. Provide with code NA122 series adapter fittings kits for sweat or NPT male, 1/2 inch, 3/4 inch, or 1 inch. Requires code NA15030 connecting cable to WMZ-G1 meter.
1)		Model:
a)		Code NA15015 VFS 1-12, flow measuring rate 1/4 gallon to 3 gallons (1 L to 12 L) per minute.
b)		Code NA15016 VFS 2-40, flow measuring rate 1/2 gallon to 10 gallons (2 L to 30 L) per minute.
c)		Code NA15017 VFS 5-100, flow measuring rate 1-1/2 gallons to 15 gallons (5 L to 40 L) per minute.
d)		Code NA15018 VFS 10-200, flow measuring rate 2-1/2 gallons to 20 gallons (10 L to 75 L) per minute. 1 inch sweat union fittings included.
e)		Code NA15019 VFS 20-400, flow measuring rate 5 gallons to 45 gallons (20 L to 130 L) per minute. 1-1/4 inch sweat union fittings included.
f)		Code NA15030 molded cable for connecting Grundfos VFS and RPS sensors to WMZ-G1 energy heat meter with 4 pin connector.
2)		Adapter Fittings:
a)		Code NA12240: 1/2 inch NPT male thread.
b)		Code NA12249: 1/2 inch sweat.
c)		Code NA12250: 3/4 inch NPT male thread.
d)		Code NA12259: 3/4 inch sweat.
e)		Code NA12260: 1 inch NPT male thread.
f)		Code NA12269: 1 inch sweat.
HH.		Intelligent Energy Heat Meter: Code 257202A iSolar WMZ intelligent energy heat meter. Provided with Vbus data connection and kilowatt hours calculated heat energy stored and displayed. Power supply 120 VAC. Power failure protection. Inputs: (2) Pt1000 RTD temperature sensors, (1) V40 rotary impulse flow meter. Housing plastic PC-ABS and PMMA. Temperature measuring range: minus 20 degrees F to 300 degrees F (minus 30 degrees C to 150 degrees C). Adjustment temperature sensor offset plus or minus 0.9 degrees F (0.5 degrees K), measuring precision plus or minus 0.5 degrees F (0.3 degrees C), and volume concentration of glycol 0 to 70 percent, pulse rate volumetric flow rate 1 to 99 liters per impulse. Provide with 1 Code NA797 series rotary pulse meter and (2) Pt1000 RTD temperature sensors, select from the following:
1.		Model:
a.		Code 257205 FKP6 Pt1000 sensor provided with 5 foot black UV cable, platinum RTD type, 1000 Ohm, minus 58 degrees to 355 degrees F (minus 50 degrees C to 180 degrees C), 1/4 inch outside diameter.
b.		Code 257206 FRP6 Pt1000 sensor provided with 8 foot gray cable, platinum RTD type, 1000 Ohm, 15 degrees to 200 degrees F (minus 10 degrees C to 93 degrees C), 1/4 inch outside diameter.
c.		Code 257207 FKP9 Pt1000 screw mount sensor provided with 5 foot black cable, platinum RTD type, 1000 Ohm, minus 58 degrees to 355 degrees F (minus 50 degrees C to 180 degrees C), 1/4 inch outside diameter.
d.		Code NA100 series sensor well, 1/4 inch outside diameter for Pt1000 RTD temperature sensors Code 257205 and 257206:
1)		Code NA10090, 1/2 inch NPT male thread.
2)		Code NA15029, 3/4 inch NPT male thread.
e.		Code NA797 series V40 Rotary pulse flow meters, provided with body and sealing plate brass, head to body seals EPDM, meter head housing brass, stainless steel, composites, bearings hard metal, sapphire, chrome nickel steel, impeller wheel/head piece high grade synthetic material. Suitable fluids: water or 50 percent maximum glycol solution. Flow accuracy full-scale plus or minus 2 percent. Maximum working pressure 235 psi (16 bar). Working temperature range minus 40 degrees F to 210 degrees F (minus 40 degrees C to 100 degrees C), Maximum fluid temperature 265 degrees F (130 degrees C). Accurate to International Standards OIML R75, EN1434 and MID.
1)		Code NA79701 Single jet, 1 pulse equals 1 liter (input value to WMZ energy heat meter), flow measuring rate 1/4 gallon to 10 gallons (1 L to 40 L) per minute, provided with adapter fittings 3/4 inch union sweat.
2)		Code NA79702 Multi-jet, 1 pulse equals 2.5 liters (input value to WMZ energy heat meter), flow measuring rate 1/2 gallon to 15 gallons (2 L to 50 L) per minute, provided with adapter fittings 1 inch union sweat.
3)		Code NA79703 Multi-jet, 1 pulse equals 10 liters (input value to WMZ energy heat meter), flow measuring rate 1/2 gallon to 25 gallons (2 L to 100 L) per minute, provided with adapter fittings 1-1/4 inch union sweat.
4)		Code NA79704 Multi-jet, 1 pulse equals 10 liters (input value to WMZ energy heat meter), flow measuring rate 1 gallon to 45 gallons (4 L to 170 L) per minute, provided with adapter fittings 1-1/2 inch union sweat.
5)		Code NA79705 Multi-jet, 1 pulse equals 10 liters (input value to WMZ energy heat meter), flow measuring rate 1-1/2 gallons to 65 gallons (6 L to 240 L) per minute, provided with adapter fittings 2 inch union sweat.
II.		Intelligent Web Enabled Data logger: Code 257201A iSolar DL2 intelligent web enabled data logger. Provided with housing PC-ABS thermoplastic, protection type indoor, ambient temperature 32 degrees F to 100 degrees F (0 degrees C to 40 degrees C), mounting wall, display bar LED, input voltage 5V DC plus or minus 5 percent, power voltage adapter 100 to 240 V, rated current 350 mA, Ethernet connection integrated RJ45 socket, data access integrated SD slot, 180 MB internal memory. Connects to Vbus data terminals on one iSolar controller.
JJ.		Intelligent Web Enabled Data logger: Code 257204A iSolar DL3 intelligent web enabled data logger/BACnet IP gateway. Provided with housing PC-ABS and PMMA, protection type indoor, ambient temperature 32 degrees F to 100 degrees F (0 degrees C to 40 degrees C), mounting wall, display full graphic display and operating control LED, operation via three push buttons, input voltage 12 VDC, power voltage adapter 100 to 240 V, rated current 1 Amp, 6 VBus device input terminals, Pt1000 RTD temperature sensor inputs 3, 4-20 mA current loop input: 1, Ethernet connection integrated RJ45 socket, USB master connection cable, data access integrated SD slot, internal memory, BACnet/IP: PICS. Connects to Vbus data terminals on six iSolar controllers.
PART  3	  EXECUTION
3.1 		EXAMINATION
A.		Do not begin installation until substrates have been properly prepared.
B.		Verify the suitability of roof deck and other substrates to receive solar water heating system collector units.
C.		If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
3.2 		PREPARATION
A.		Clean surfaces thoroughly prior to installation.
B.		Dissimilar Materials Protection:
1.		Where aluminum will contact dissimilar metals, protect against galvanic action by painting contact surfaces with primer or by applying sealant or tape recommended by manufacturer.
2.		Where aluminum will contact concrete or masonry, protect against corrosion by painting contact surfaces with bituminous paint.
3.		Where aluminum will contact pressure-treated wood, separate dissimilar materials by methods recommended by manufacturer
C.		Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
3.3 		INSTALLATION
A.		Install in accordance with manufacturer's instructions.
B.		General:
1.		Anchor components securely to supporting structural substrates, adequate to withstand lateral and thermal stresses as well as inward and outward loading pressures. 
2.		Coordinate with installation of vapor barriers, roof insulation, roofing, and flashing as required to assure that each element of the work performs properly and that combined elements are waterproof and weather tight.
C.		Panel Mounting: 
1.		Securely anchor the solar panels and universal foot mounting hardware to the structural members of the roof with stainless steel fasteners. 
2.		Use universal foot mounts to raise panels from the roof surface and allow rainwater and debris to pass under the panels permit proper ventilation of the roofing material. Panels must maintain a minimum of 1-1/2 inch of clearance between the roof and the panels.
3.		Provide tilt mounting hardware, flashings, base plates, mounting rails and other appurtenances required for proper installation.
4.		Select mounting hardware and fasteners that avoid galvanic corrosion resulting from the direct contact of incompatible metals. Use aluminum mounting hardware and stainless steel fasteners, lock washers and round washers. In climates subject to severe winters or high humidity use stainless steel fasteners only.
5.		Roof Penetrations: Roof penetrations shall be made permanently waterproof. Coordinate work with the roofing and flashing specified in Section __________.
D.		Panel Loop Pipe Insulation: Use Solar Flex insulation to insulate solar panel cold supply and hot return lines. Insulate exposed connections using supplied UV resistant insulation and tape. 
E.		Panel Plumbing: Support all vertical runs of SolarFlex between the storage tank and the panels at maximum intervals of 10 feet. Use specialized mounting brackets for support that hold the SolarFlex securely without compressing the insulation. 
F.		Back-Up System Connections: Make interconnection of back-up heating portion of the system to the solar portion of the system in a manner, which will not result in excessive temperature, or pressure in the back-up heating system or bypassing of safety devices of the back-up system.
G.		Low Voltage Wiring: Use low voltage wiring provided imbedded in the middle of the SolarFlex insulation to connect the sensor wires. Joining the sensor wire to the SolarFlex wire should be done using waterproof butt splices, or soldered connection with heat shrink protection, or waterproof telecom splice kits. 
H.		Solar Storage Tank, Expansion Tank and Pumping Station: Install in a manner that makes all the components accessible and easy to reach. Provide for clear access to the storage tank, pumping station, expansion tank, mixing valve (available as an accessory), controller and other key components. Locate controller in close proximity to a 115 volt electrical receptacle. Do not place storage tank directly on an un-insulated floor or concrete slab. Tank should be placed on a well insulated pad with a minimum R-value of 10.
I.		Piping: Install piping straight and true to bear evenly on hangers and supports. Do not hang piping from sheet rocks or suspended ceilings. Support piping so that thermal expansion and contraction of pipe lengths is accommodated.
1.		If a component in the potable water side of the system may require future service or maintenance, make the connections with brass unions. 
2.		Use only brass nipples and unions and copper and brass fittings in plumbing the solar storage tank. Do not use of galvanized fittings or nipples, di-electric unions, CPVC, PVC or other plastic pipe.
3.		Use only hard copper connections to potable cold water supply line and home hot water feed lines. 
4.		All interconnecting hot water piping and the final 5 feet of metallic cold water supply pipe leading to the system, or the length of piping which is accessible if less than 5 feet, shall be insulated with R-2.6 or greater insulation.
5.		Slope piping and arrange systems to drain at low points. 
6.		Keep interior and ends of new piping thoroughly cleaned of foreign matter. Keep piping systems clean during installation by means of plugs or other approved methods. 
7.		Discharge storage tank pressure and temperature relief valves into floor drains. 
8.		Maintain clearance for access to valves and fittings. Install valves with stems upright or horizontal.
9.		Flush and disinfect the piping system after installation and prior to start-up.
J.		Install electrical devices furnished loose for field mounting.
K.		Install control wiring between control panel and field mounted control devices.
L.		Connect to power source as specified in Section 16150.
3.4 		CLEANING AND PROTECTION
A.		Protect installed products until completion of project.
B.		Clean exposed metal and surfaces according to manufacturer's instructions. Touch up damaged metal coatings.
C.		Clean solar collector glazing not more than 5 days prior to date of substantial completion.
D.		Touch-up, repair or replace damaged products before Substantial Completion.
3.5 		INSPECTION AND TESTING 
A.		Acceptance Testing and Final Inspection: Provide the following tests:
1.		Flush System: Flush with clean water for one-hour minimum. Drain completely and refill. Remove, clean, and provide new strainer screens. Inspect, remove sludge, and flush low points with clean water after cleaning process is completed.
2.		Fill System: Fill system and vent air pockets. Verify proper percentage of propylene glycol to distilled water.
3.		Hydrostatic Test: Hydrostatically test the system. Isolate valving and instrumentation not suitable for the intended test pressure. 
4.		Operational Test: Operationally test the system over a period of 48 consecutive hours with sufficient solar exposure to cause activation of the solar energy system during daylight hours. 
5.		Overall System Operations: Demonstrate the solar energy system will operate properly while unattended for a period of at least 72 hours. 
3.6 		DEMONSTRATION
A.		Provide field-training for the Owner and/or the Owner's representatives after the system is functionally complete. Include a discussion of the system design and layout and demonstrate routine operation, maintenance and troubleshooting procedures.

END OF SECTION