Set Appliance State:
CH Demand
Isolate Mains Power to appliance as per TOPs P4
Mode Switch in LOW position
Connect a U-gauge to the Burner Outlet Gas Pressure Point
Mode Switch in LOW position
Connect a U-gauge to the Burner Outlet Gas Pressure Point
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow the boiler to run its ignition sequence and the Pilot to ignite.
Power should be supplied to the Gas Valve and the U-gauge should indicate a positive gas pressure.
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Power should be supplied to the Gas Valve and the U-gauge should indicate a positive gas pressure.
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary