Set Appliance State:
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
Selector switch to Water
Attach U-gauge to gas valve
Selector switch to Water
Attach U-gauge to gas valve
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Allow fan to run and ignition sequence to commence.
Does U-gauge show a positive gas pressure?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Does U-gauge show 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