What are the wires on a Motorised valve?
Electrically, the valve has 5 wires:
- Green/Yellow, Earth – connected to the metal body of the valve.
- Blue, Neutral – internally connected to the neutral side of the motor.
- Brown, Live in – Activates the motor inside the valve.
- Grey – Connected to one side of a switch inside the valve.
How does a 3 way zone valve work?
As water flow is throttled to the zone heat exchanger by a three-way valve, more supply water is by-passed to the return, thereby maintaining a nearly constant flow (and pumping head) in the supply system.
How to wire Taco and Honeywell zone valves together?
Multi-stranded 18-gauge thermostat wire
What are Taco zone valves used for?
Taco Zone Sentry® zone valves provide on-off, normally open or normally closed control in closed hydronic systems. (See Geo-Sentry for open system application) The valves can be used in a wide variety of heating and condensing cooling applications, primarily designed for use with baseboad, fan coils, radiators,
How do you free a stuck Taco zone control valve?
Troubleshooting Tips. If there is no power to the powerhead,it will be the service-person’s responsibility to find the trouble,as the problem is not in the zone valve.
How do Taco zone valves work?
block design of the Taco Heat Motor Zone Valve works. The explanation below and associated diagrams explain step-by-step the operation of the zone valve. As the air temperature at the thermostat drops to the thermostat setting, a normally open contact in the thermostat closes. This completes a circuit between the thermostat, the zone valve transformer and the heat