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