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)
Gas On
Mains Power On
Observation:
Pre-heat switch ON.
Allow boiler to fire and pre-heat sequence to commence.
Boiler should run and heat secondary heat exchanger for between 1-2 minutes then shut down.
Allow boiler to fire and pre-heat sequence to commence.
Boiler should run and heat secondary heat exchanger for between 1-2 minutes then shut down.
