Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Disconnect the right hand tube(+ve) from the venturi and connect the air pressure switch charge kit.
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Note the operating pressure indicated on the pressure switch.
When the fan begins to run, increase the pressure via
the syringe to that indicated on the pressure switch.
Is sparking now visible at the electrodes?
Note:
If sparking is still not present it is permissible to
increase the pressure by 50%.
100 Pascals = 1mbar / 50 Pascals = 0.5mbar
When the fan begins to run, increase the pressure via
the syringe to that indicated on the pressure switch.
Is sparking now visible at the electrodes?
Note:
If sparking is still not present it is permissible to
increase the pressure by 50%.
100 Pascals = 1mbar / 50 Pascals = 0.5mbar
Isolate as per TOPs P4
and refit as necessary