Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Remove pump vent screw
Note:Take care to ensure any water released from the pump centre screw is safely contained and cannot get on to the appliances electrics.
Note:Take care to ensure any water released from the pump centre screw is safely contained and cannot get on to the appliances electrics.
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
With a DHW demand does the pump run?
Isolate as per TOPs P4
and refit as necessary