Set Appliance State:
Mains Power Off
DHW temperature selector to 0 position
CH temperature selector to 0 position
CH temperature selector to 0 position
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Reset lockout as necessary.
Allow appliance to return to standby mode.
All heating controls calling.
CH temperature selector to maximum position.
Allow appliance to fire under heating demand.
Remove heating demand by switching off the clock.
Does the pump continue to run for 3 to 4 minutes?
Allow appliance to return to standby mode.
All heating controls calling.
CH temperature selector to maximum position.
Allow appliance to fire under heating demand.
Remove heating demand by switching off the clock.
Does the pump continue to run for 3 to 4 minutes?
Isolate as per TOPs P4
and refit as necessary