Baxi Duo-tec 2 Combi 24 GA Manuel d'utilisateur télécharger pdf (Page 10)

13.0 Changing Components

13.14 Hall Effect Sensor (Fig. 59)

1. Ease the sensor upwards off the hydraulic inlet

manifold assembly.

2. Disconnect the electrical plug from the sensor.

3. Connect the plug to the new sensor. Carefully fit the

new sensor to the hydraulic assembly, ensuring it is fully

down.

13.15 Safety Pressure Relief Valve (Fig. 60)

1. Close the flow and return isolation taps and drain the

primary circuit.

2. Disconnect the discharge pipework from the valve.

Remove the sealing grommet.

3. Slacken the grub screw securing the pressure relief

valve and remove from the inlet assembly.

4. On reassembly ensure that the ‘O’ ring is in place and

the sealing grommet is correctly refitted to maintain the

integrity of the case seal.

13.16 Heating Pressure Gauge (Figs. 61 & 61a)

1. Close the flow and return isolation taps and drain the

primary circuit.

2. Remove the gauge from the boiler lower panel.

3. Remove the clip securing the pressure gauge capillary.

4. Fit the new gauge, ensuring that the capillary is routed

to prevent any sharp bends. Reassemble in reverse order

and ensure the gauge is firmly in position to maintain the

integrity of the case seal.

Heating

Pressure

Gauge

Control Box removed

for clarity

Fig. 61

Safety Pressure

Relief Valve

Grub Screw

‘O’ ring seal

Discharge Pipe

Fig. 60

Hall Effect

Sensor

Hydraulic Inlet

Assembly

Fig. 59

Pressure Gauge

Capillary

Fig. 61a

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 27 28

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Baxi Duo-tec 2 Combi 24 GA Manuel d'utilisateur Page 10

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