Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
CH temperature control to max
Selector switch set to ch/dhw
Connect a U-gauge to the Burner Gas Pressure Test Point
Selector switch set to ch/dhw
Connect a U-gauge to the Burner Gas Pressure Test Point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow the boiler to execute its ignition sequence, as sparking commences.
Does the burner pressure increase to MAX as per the table?
Notes:
1. Burner pressure will depend on boiler temperature.
2. When gauge is removed pressure test point should be tightened and checked for gas tightness.
Does the burner pressure increase to MAX as per the table?
Notes:
1. Burner pressure will depend on boiler temperature.
2. When gauge is removed pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary