Thermostat Taco Zone Valve Wiring

The thermostat wires on the master primary control will show about 20 volts from the on board thermostat relay transformer inside the primary control.

Thermostat taco zone valve wiring.

No voltage should be presented by the zone valves thermostat or transformer circuit to the primary controller. It shows the parts of the circuit as simplified forms as well as the power and also signal links between the tools. Zone valve controls connected to reset controls pc700 702 705 39 46 hydro air fan controls hafc 101 201 47 51 specialty thermostat and zone valve wiring 52 56. Master control zone valve thermostat wiring connection tips.

A wiring diagram is a simplified standard photographic representation of an electrical circuit. 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.