Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Make sure there is a circulation path by opening up radiator valves
Remove the pump vent screw and take precautions to ensure any water released is safely contained
Remove the pump vent screw and take precautions to ensure any water released is safely contained
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Observe the pump, which will be on the system somewhere.
Is the pump running?
Do not take noise or vibration as confirmation of the pump running.
Is the pump running?
Do not take noise or vibration as confirmation of the pump running.
Isolate as per TOPs P4
and refit as necessary