Electronic Control Board; Air Pressure Switch; Temperature Sensor; Overheat Thermostat - Potterton Kingfisher Mf Installation & Service Instructions Manual

4.2

Electronic Control Board

• Gain General Access - See 4.1
For better access of controls tray See 4.1
Note 5.
1. Disconnect all connectors and wires,
unscrew the two securing screws and
remove the board.
2. On re-assembly refer to the wiring
diagram when re-connecting wires and
connectors.
4.3

Air Pressure Switch

• Gain General Access - See 4.1
1. Remove the securing screws and allow
the control panel to pivot forwards - see
4.1 Note 5.
2. Note the wire connections and disconnect
the wires to the air pressure switch.
3. Remove the screws securing the air
pressure switch to the bracket.
4. Note the tube connections and remove
the tubes from the switch.
5. Re-assemble in reverse order.
4.4

Temperature Sensor

• Gain General Access - See 4.1
1. Disconnect the wires from the sensor.
2. Depress the clips on the outside of the
sensor and pull it clear of the heat
exchanger.
3. Re-assemble in reverse order, use fresh
conducting paste.
4.5

Overheat Thermostat

• Gain General Access - See 4.1
1. Disconnect the wires from the thermostat.
2. Unscrew the thermostat from the pipe.
3. Re-assemble in reverse order.
Publication No. 5102977
Casing
Pressure
Pipe (White)
Service & Replacement of Parts
Fig. 26
27