How do you install Honeywell Synchron zone valves?


Quick Answer

To install Honeywell Synchron zone valves, first turn off the power to the heating system to prevent accidental electric shock. Next, set the valve lever to the manual open position, securing it to the stop to lock it in place. Ensuring that the arrow on the valve points in the direction of the flow, snap the valve into place inside the pipe or tube after the coil. If you are using a copper model, sweat the model before mounting it.

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Full Answer

After the valve is in place, connect the wiring and ensure that the unit is correctly mounted. To connect the wiring, ensure the yellow leads attach to the motor. Wiring from the other terminal connects to the T87F thermostat control. The red leads from the heating unit's auxiliary switch can connect to the circulator or additional valves. With the wiring in place, turn on the thermostat controller, and observe the valve to make sure that it cycles without any problems.

If the valve is operating correctly, it opens when you raise the zone thermostat's set point and closes when you lower the thermostat to below room temperature. The motorized valve lever returns to automatic operating position when power runs through it. If there are problems with the system, a trained HVAC technician should perform repairs. Some common problems that affect the Honeywell Synchron zone valve include leaks due to damaged O-rings and faulty gear trains.

These zone valves, which work by cycling, should only be used in closed loop hydronic systems. One beneficial feature of the valves is that you do not have to take them apart to install them; they may be snapped directly into place in the pipe or tube. In case of a power failure, you can operate them by switching them into manual use mode.

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