Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
Thermostat turned to maximum
Connect a U-gauge to the Burner Gas Pressure Test Point
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 |
Observation:
Allow the boiler to execute its ignition sequence and the burner to ignite. Does the burner operate at 13.4 mbar of gas pressure?
When gauge is removed pressure test point should be tightened an checked for gas tightness.
When gauge is removed pressure test point should be tightened an checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary