Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Attach U-gauge to inlet pressure test point
Gas On
Gas On
Measurement:
Depress gas control knob (1) on the gas valve.
Keep gas valve control knob depressed while observing U-gauge.
Does the U-gauge show a constant pressure of at least 18mb while the gas control knob is depressed?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Keep gas valve control knob depressed while observing U-gauge.
Does the U-gauge show a constant pressure of at least 18mb while the gas control knob is depressed?
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