Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Observation:
Check the air pressure switch tubes are fitted correctly, undamaged and free of kinks / restrictions / blockages / moisture.
Note:
Tubes should run:
1. Back of fan hood to -VE on the APS.
2. Right venturi opening to +VE on the APS.
3. Left venturi opening to test point at top of boiler.
Note:
Tubes should run:
1. Back of fan hood to -VE on the APS.
2. Right venturi opening to +VE on the APS.
3. Left venturi opening to test point at top of boiler.
