Set Appliance State:
Mains Power Off
Gas On; Pilot On
CH Demand
Rotary Switch in CH and DHW position
CH Operative Thermostat adjusted to Maximum
CH Operative Thermostat adjusted to Maximum
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Operate the boiler in its CH mode, allow boiler to reach a reasonable operating temperature.
Gradually turn down the CH thermostat. The burner should cut out when the CH thermostat is satisfied.
Note:
It may be necessary to reduce the heating load by turning off some radiators to reduce the time taken for this test.
Gradually turn down the CH thermostat. The burner should cut out when the CH thermostat is satisfied.
Note:
It may be necessary to reduce the heating load by turning off some radiators to reduce the time taken for this test.