Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
NO demands
Attach tube from + ve connection on FGA to the upper gas valve test point
Attach tube from + ve connection on FGA to the upper gas valve test point
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset appliance as necessary.
(press and hold the power button for 4 seconds then release)
Allow the fan purge to complete.
Turn hot water tap on and allow the fan to run, monitor the pressure registered while the fan runs and the boiler attempts to ignite.
The fan pressure measured should be approximately -2mb or greater.
(e.g. -2.5mb registered on display)
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
(press and hold the power button for 4 seconds then release)
Allow the fan purge to complete.
Turn hot water tap on and allow the fan to run, monitor the pressure registered while the fan runs and the boiler attempts to ignite.
The fan pressure measured should be approximately -2mb or greater.
(e.g. -2.5mb registered on display)
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