Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Heating temperature selector to OFF
Hot water temperature selector to maximum
Programmer or selector switch set to hot water only
Remove pump vent screw and take adequate precautions to ensure any water released is safely contained
Hot water temperature selector to maximum
Programmer or selector switch set to hot water only
Remove pump vent screw and take adequate precautions to ensure any water released is safely contained
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Does the pump run?
Note:
Do not take sound or vibration as evidence of pump running.
Note:
Do not take sound or vibration as evidence of pump running.
Isolate as per TOPs P4
and refit as necessary