Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Attach U-gauge to gas inlet test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow 3 minute self check to complete.
As boiler attempts ignition monitor the inlet pressure.
At the sparking stage of the ignition sequence there should be a noticeable dip in the pressure, indicating the gas valve has opened however the pressure should remain above 18mbar (NG) or 37mbar (LPG) throughout.
As boiler attempts ignition monitor the inlet pressure.
At the sparking stage of the ignition sequence there should be a noticeable dip in the pressure, indicating the gas valve has opened however the pressure should remain above 18mbar (NG) or 37mbar (LPG) throughout.
