Set Appliance State:
Gas Off
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
Attach U gauge to inlet pressure test point
Attach U gauge to inlet pressure test point
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Measure the inlet pressure as the boiler attempts to ignite.
Inlet pressure should remain above 18mb throughout the ignition sequence.
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Inlet pressure should remain above 18mb throughout the ignition sequence.
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