Set Appliance State:
Mains Power Off
CH Demand
Selector switch to DHW and CH position
CH temperature selector to maximum
DHW temperature selector to minimum
CH temperature selector to maximum
DHW temperature selector to minimum
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow burner to ignite and establish and the boiler to run on central heating until the radiators begin to warm.
Remove heating demand i.e. turn clock to off period.
Does pump continue to run for between 1 and 3 minutes?
Note:
The actual time of the overrun will depend on the temperature of the boiler when turned off but should not be longer than 3 minutes.
Remove heating demand i.e. turn clock to off period.
Does pump continue to run for between 1 and 3 minutes?
Note:
The actual time of the overrun will depend on the temperature of the boiler when turned off but should not be longer than 3 minutes.
Isolate as per TOPs P4
and refit as necessary