To obtain service under this warranty, the defective product must be returned to the distributor or dealer of Grundfos' products from which it was purchased together with proof of purchase and installation date, failure date, and supporting installation data. Unless otherwise provided, the distributor or dealer will contact Grundfos or an authorized service station for instructions. Any.. We include wiring diagrams and installation instructions for most zone valve model and multi-zone controllers, and we describe special wiring problems that can occur if you mix different types, brands, or models of heating zone valves on the same hydronic heating (hot water heating) system.
The LED lights will turn amber when the zone valve ZONE 1 end-switch is closed. Page 8: Product Introduction Compatible with 2-, 3-, and 4-wire low Model Description Part number voltage controllers or thermostats. Three-valve zone • Wiring ease with 120 VAC, ground and low UPZCV-3 98863567 control voltage screw terminal inputs.. View and Download Grundfos UP-ZV Series wiring diagram online. UP-ZV Series control unit pdf manual download.