Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Remove diverter valve stepper motor & place in a safe position where it can be observed
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the boiler to ignite and run on DHW operation.
Confirm that the stepper motor spindle has moved to its DHW position?
Note.
DHW position will be when the stepper motor spindle has moved
to its extended position.
Confirm that the stepper motor spindle has moved to its DHW position?
Note.
DHW position will be when the stepper motor spindle has moved
to its extended position.
Isolate as per TOPs P4
and refit as necessary