Innovation In Hydronic Zone Controls
Introducing our new line of hydronic heating zone controls: the ZSR101, ZSR and ZVR Series. The new controls feature:
- Heavy-duty sealed relays for quiet operation
- Compatible with 2, 3 and 4-wire thermostats or other low voltage controllers with switching action
- Easy to read PC board layout
- Convenient R,W,C and T,T,COM dual labeling at thermostat terminals
- Large screw terminals for ease of wiring and on-board ground terminals
- Automatic resettable fuse on 24 V circuit
- Front panel LED indicator light for functional status
- Compact, sleek design
- ZSR and ZVR models
- Expandable to unlimited number of zones using simple 3-wire connection between controls
- DHW (ZR/ZC) dry contacts rated for switching line voltage
The ZSR101 Series is a versatile single relay control with two outputs for operating a 120 VAC pump with boiler enable, or two 120 VAC devices without boiler enable. Features include rear knock outs for 4x4 junction box mounting, convenient pre-installed jumper for pump operation and 10 amp total load rating.
+ Catalog ↓ Technical Brochure ↓ Wiring Guide
The ZSR Series of controls is for zoning using pumps. Up to 6 zone pumps (model dependent) along with a primary pump can be operated. Zone priority is selectable with 1-hour time-out feature. Other features include pump exercising, selectable post purge and 3 pump ground terminals for simplified wiring.
+ Catalog ↓ Technical Brochure ↓ Wiring Guide
The ZVR Series of controls is for zoning using zone valves. Up to 6 valves (model dependent), along with a system pump, secondary pump(s) and primary pump can be operated. Zone priority is selectable with 1-hour time-out feature. System pump status (on/off) during priority is also selectable. Replaceable snap-fit 40 VA transformer standard for 3 and 4 zone models - expandable to 80 VA with 2nd transformer. 6 zone model has two 40 VA (80 VA) transformers.
+ Catalog ↓ Technical Brochure ↓ Wiring Guide
Got three minutes? Watch Bob "Hot Rod" Rohr, our training and education manager, explain and demonstrate how to mount and install the controls.
idronics™ is an educational journal series intended for hydronic professionals to aid them in system design, component application and selection.
If you have been curious about controls, our latest edition of idronics - Controlling Hydronic Systems - will enhance your understanding of basic concepts used in a wide variety of devices. It will also show you how to apply them to smoothly regulate state-of-the-art hydronic heating and cooling systems.
Our complimentary educational series, Coffee with Caleffi™, is an online product training webinar and is intended for contractors, designers and wholesalers. Our most recent webinar focused on Hydronic Zone Control of Pumps and Zone Valves. You can catch the webinar at your convenience - 24/7 - in our online archive.
Creating innovative, superior performance products that help customers live comfortably and economically, while softening their impact on the environment.
