Set Appliance State:
Mains Power Off
Mode selector switch to Off/Reset position
CH Demand
Central heating temperature control set to maximum
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Mode selector switch to CH position.
Allow burner to ignite and establish.
Remove heating demand i.e. turn clock to off period.
Does pump continue to run for approximately 3 minutes?
Allow burner to ignite and establish.
Remove heating demand i.e. turn clock to off period.
Does pump continue to run for approximately 3 minutes?
Isolate as per TOPs P4
and refit as necessary