Z-one™ , Multi-zone valve relay board

CALEFFI, ZVR103, Z-one™. Relay (multi-zone) The ZVR series is a multi-zone valve relay and boiler operating control for multiple zone hydronic heating systems. The ZVR series interfaces with low voltage thermostats or any other low voltage controllers having a switching action. The ZVR series controls up to 3, 4, 5 or 6 zones, depending on model selected. In addition, a system circulator pump and secondary pump is turned on whenever any zone calls for heat. LED indicators provide functional status and easy system troubleshooting. The ZVR series is a perfect match with Caleffi’s Z-one™ motorized zone valves. Resettable Fuse: automatic. Transformer voltage: 24 VAC Maximum transformer load: 40 VA (ZVR103/4), 80 VA (ZVR106) Electrical switch rating: 20A Max Combined Electrical switch rating pumps: 120 VAC, 5A each Dry contact rating: AUX, XX, ZONE1 E/S:120 VAC, 2A each. High Capacity 40 VA Transformer standard for 3 and 4 zone modelsexpandable to 80 VA, and 80 VA for the 6 zone model. Electric supply: 120 V (AC).