Set Appliance State:
Mains Power Off
Gas On; Pilot On
CH Demand
Selector Switch in CH & HW position.
CH Thermostat to Max.
CH Thermostat to Max.
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Run Central Heating for approximately two minutes
(dependant on heating load).
Slowly turn CH Thermostat down.
Does main burner flame modulate?
(dependant on heating load).
Slowly turn CH Thermostat down.
Does main burner flame modulate?