Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
CH temperature control to max
Set selector switch to ch/dhw
Disconnect a lead from the dhw flow switch
(position in a safe place)
Set selector switch to ch/dhw
Disconnect a lead from the dhw flow switch
(position in a safe place)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Does the pump now run?
Isolate as per TOPs P4
and refit as necessary