Set Appliance State:
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
Selector Switch in DHW position
Connect a U-gauge to the burner pressure test point
Selector Switch in DHW position
Connect a U-gauge to the burner pressure test point
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow the boiler to run ignition sequence and the burner to ignite.
Does the U-gauge indicate positive gas pressure?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Does the U-gauge indicate positive gas pressure?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary