Set Appliance State:
Mains Power Off
CH Demand
Operating switch in Water position
Temperature control to Max
Temperature control to Max
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the boiler to ignite and reach a reasonable temperature.
Turn the operating switch to OFF.
The burner should extinguish and the pump should continue to run (pump overrun stat).
Once the boiler temperature has reduced, the pump should stop.
Note:
Turning off some radiators may reduce the time taken for this test.
Turn the operating switch to OFF.
The burner should extinguish and the pump should continue to run (pump overrun stat).
Once the boiler temperature has reduced, the pump should stop.
Note:
Turning off some radiators may reduce the time taken for this test.
