3 WAY VALVE MOTOR
Subject
Description
Part Function
It is used for directing water to the central heating and tap water
circuits.
Impact in Case of Faulty
Operation
1- Boiler remains only in the central heating mode.
2- When in the summer mode, radiators may got warm.
3- During changing of motorized valve modes, noise may come
from the motor.
4- Wearing may cause heating problems.
Primary Relevant Error
Codes
E03, F07
Troubleshooting and
Testing Method
Visual Inspection:
1- Checking whether cable connections are proper and without
damage
2- Checking whether connectors on the 3-way motor are installed
properly
3- Voltage Testing (for central heating and tap water modes)
Maintenance Requirement
No special maintenance requirement
Maintenance Period
-
Testing Definition
Testing Method
3-Way Motorized Valve
Voltage and Mode
Control (Central Heating)
Measure the voltage between A-B on the motorized valve connector
in the central heating mode when the power on the boiler is still on.
Check whether the voltage is in the range of 215-240 V AC. Motorized
valve pin must be at the end.
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