Set Appliance State:
Mains Power Off
CH Demand
Selector Switch to Hot Water and Heating
Flow and return valves fully open
CH thermostat set to MAX
Flow and return valves fully open
CH thermostat set to MAX
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the boiler to ignite and run in central heating mode.
Is the heating operating quietly?
Is the heating operating quietly?