Set Appliance State:
Mains Power Off
Gas Off
CH switch OFF
Ensure secondary heat exchanger is cool and requires pre-heat (this can be achieved by running the DHW with the gas to the appliance turned off)
Ensure secondary heat exchanger is cool and requires pre-heat (this can be achieved by running the DHW with the gas to the appliance turned off)
Mains Power On
Observation:
Pre-heat switch ON.
Does pump run satisfactorily?
Note: Pump should be set on maximum speed (pump selector switch on No3).
Does pump run satisfactorily?
Note: Pump should be set on maximum speed (pump selector switch on No3).
