Set Appliance State:
Mains Power Off
CH Demand
Boiler ON/OFF Switch OFF
CH Temperature Selector to Max
DHW Temperature Selector OFF
CH Temperature Selector to Max
DHW Temperature Selector OFF
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Boiler ON/OFF Switch ON.
Allow Boiler to fire and start to heat the system.
Remove heating demand.
Does the Fan run for approximately 15 seconds?
Does the Pump run for approximately 4 minutes after the Burner has shut down?
Allow Boiler to fire and start to heat the system.
Remove heating demand.
Does the Fan run for approximately 15 seconds?
Does the Pump run for approximately 4 minutes after the Burner has shut down?
Isolate as per TOPs P4
and refit as necessary