Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Observation:
Check air pressure switch sensing tubes for damage or blockages.
Also check the plastic tee piece for damage or blockages.
Note: Ensure tubes are refitted in correct positions.
Positive tube (brown) runs from lower fan connection to the L/H side of the pressure switch.
Negative tube (white) runs from the upper fan connection to the R/H side of the pressure switch and to the flue gas sample point.
Also check the plastic tee piece for damage or blockages.
Note: Ensure tubes are refitted in correct positions.
Positive tube (brown) runs from lower fan connection to the L/H side of the pressure switch.
Negative tube (white) runs from the upper fan connection to the R/H side of the pressure switch and to the flue gas sample point.
