Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach pressure gauge to gas valve pressure inlet test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset the appliance if required.
(Press reset button once then release)
Allow the fan to run and ignition sequence to commence.
Does the pressure gauge show an acceptable minimum
gas inlet pressure of at least 17.5mb (NG) or 29mb (LPG) throughout its operation?
Note.
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
(Press reset button once then release)
Allow the fan to run and ignition sequence to commence.
Does the pressure gauge show an acceptable minimum
gas inlet pressure of at least 17.5mb (NG) or 29mb (LPG) throughout its operation?
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