Thermostat Taco Zone Valve Wiring

It shows the parts of the circuit as simplified forms as well as the power and also signal links between the tools.
Thermostat taco zone valve wiring. Wire diagram for taco zone valves taco zone sentry zone valves provide on off normally open or normally closed control in both open and closed hydronic systems. No voltage should be presented by the zone valves thermostat or transformer circuit to the primary controller. The valves can be used in a wide variety of heating and non condensing cooling applications primarily designed for use with baseboard fan coils radiators convectors air handlers. The thermostat wires on the master primary control will show about 20 volts from the on board thermostat relay transformer inside the primary control.
The taco multiple heating zone controller is a zvc403 and yes the green led is always on and the zone 1 issue is after both the yellow orange thermostat led and red zone valve led are illuminated. Zone valve controls connected to reset controls pc700 702 705 32 39 hydro air fan controls hafc 101 201 40 44 specialty thermostat and zone valve wiring 45 50. Master control zone valve thermostat wiring connection tips.