Set Appliance State:
Gas Off
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
Attach pressure gauge to the inlet pressure test point
Gas On
Attach pressure gauge to the inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Mains reset switch On.
Allow fan to run and ignition sequence to commence.
Does the inlet pressure stay constant at approximately 20 mb?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Allow fan to run and ignition sequence to commence.
Does the inlet pressure stay constant at approximately 20 mb?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary