Baxi Platinum Combi 24 HE A Installation & Servicing Instructions Manual page 44

Electrical
Plug
Fig. 76
Flow Pipe
Fig. 77
Pressure Sensor
Fig. 78
44
© Baxi Heating UK Ltd 2014
Flue/Heat Exchanger
Thermostat Sensor
Central Heating
Temperature Sensor
Safety Thermostat
DHW Temperature
Sensor
14.0 Changing Components
14.8
1. Ease the retaining tab on the sensor away and disconnect
the electrical plug.
2. Turn the sensor 90
bayonet connection.
3. Reassemble in reverse order.
14.9
1. Drain the primary circuit.
2. Disconnect the two wires from the sensor.
3. Undo the nut on the flow pipe securing and sealing the
sensor.
4. Remove the sensor, examine the sealing washer, replacing if
necessary.
5. Reassemble in reverse order. The component is not
polarised - either wire will fit each terminal.
14.10
1. Ease the retaining tab on the sensor away and disconnect
the electrical plug.
2. Unscrew the sensor from it's pocket and reassemble in
reverse order. The plug will only fit one way.
14.11
1. Pull the plug off the thermostat.
2. Remove the screws securing the thermostat to the
mounting plate on the flow pipe.
3. Reassemble in reverse order, ensuring that the plug is
pushed fully on.
14.12
1. Turn off the mains cold water supply tap and draw off the
residual domestic hot water.
2. Ease the retaining tab on the sensor away and disconnect
the electrical plug.
3. Unscrew the sensor from the plate heat exchanger
manifold. Examine the sealing washer,replacing if necessary.
4. Reassemble in reverse order. The plug will only fit one way.
Plate Heat
Exchanger
Flue/Heat Exchanger Thermostat Sensor
(Fig. 76)
o anticlockwise to remove - it is a
Water Pressure Sensor (Fig. 78)
Central Heating Temperature Sensor (NTC)
(Fig. 77)
Safety Thermostat
(Fig. 77)
DHW Temperature Sensor (NTC)
(Fig. 78)