Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach U gauge to gas valve inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Operate boiler in maximum output service mode.
FOR INSTRUCTIONS ON SERVICE MODE CLICK HERE
Does the pressure gauge show an acceptable gas inlet pressure,
minimum N.G. 16.5 mbar / L.P.G. 28 mbar ?
Note:
When pressure gauge is removed the pressure test point should
be tightened and checked for gas tightness.
FOR INSTRUCTIONS ON SERVICE MODE CLICK HERE
Does the pressure gauge show an acceptable gas inlet pressure,
minimum N.G. 16.5 mbar / L.P.G. 28 mbar ?
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