Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Ensure there is no demand for either CH or DHW
Use Insulation Mat as required
Remove the diverter valve motor from the diverter body
Place the diverter valve motor in a safe location
Remove the diverter valve motor from the diverter body
Place the diverter valve motor in a safe location
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Observe the diverter valve heads actuator pin as the boiler powers up.
As the boiler completes its self-check the diverter valve motor should move from the fully retracted position (DHW) to the fully extended position (CH) then fully retract again.
Note:
If the actuator is already in the extended position (CH)
you may need to repeat the test.
As the boiler completes its self-check the diverter valve motor should move from the fully retracted position (DHW) to the fully extended position (CH) then fully retract again.
Note:
If the actuator is already in the extended position (CH)
you may need to repeat the test.
Isolate as per TOPs P4
and refit as necessary