Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach pressure tube to positive connection on FGA
Attach FGA to gas valve outlet pressure test point
Remove the left hand side panel if required
Attach FGA to gas valve outlet pressure test point
Remove the left hand side panel if required
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset appliance if required (press reset button once then release)
Monitor the pressure registered while the fan runs and the boiler attempts to ignite.
During the sparking stage of the ignition sequence the pressure should equalise to approximately 0 mb with the fan still running.
Does the fan pressure behave as described above?
Note:
When pressure gauge is removed the pressure test point
should be tightened and checked for gas tightness.
Monitor the pressure registered while the fan runs and the boiler attempts to ignite.
During the sparking stage of the ignition sequence the pressure should equalise to approximately 0 mb with the fan still running.
Does the fan pressure behave as described above?
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