Baxi EcoBlue Advance Combi Quick Start Manual download pdf (Page 72)

72 EcoBlue Advance Combi Comp No. 7212138 - 02 (06/14)

14 Baxi EcoBlue Advance 28 - 33 Combi ERP Supplement

14.1.1 Pump - Head Only (Fig. 73)

1. Disconnect the electrical supply plug from the pump.

2. Close the flow and return isolation taps and drain the boiler

primary circuit. For ease of access remove the diverter valve

motor (10.3.20).

3. Remove the socket head screws securing the pump head to

the body and draw the head away.

4. Reassemble in reverse order.

14.1.2 Pump - Complete (Fig. 74)

1. Disconnect the electrical supply plug from the pump.

2. Close the flow and return isolation taps and drain the boiler

primary circuit. For ease of access remove the heating pressure

gauge (10.3.15) & diverter valve motor (10.3.20).

3. Undo the screws securing the body to the inlet assembly and

pump flow pipe. Draw the complete pump forwards.

4. Remove the automatic air vent and transfer to the new pump

body.

5. Examine the ‘O’ ring seals, replacing if necessary and

reassemble in reverse order.

14.1.3 Automatic Air Vent (Fig. 74)

1. See Section 10.3.23 to remove the expansion vessel. Close

the flow and return isolation taps and drain the primary circuit.

2. The automatic air vent is a bayonet fitting. Remove by twisting

anticlockwise.

3. Fit the new automatic air vent, ensuring the ‘O’ ring is fitted

and the cap is open . Reassemble in reverse order.

Socket Headed

Screw

Pump Head

Pump Body

Automatic

Air Vent

Fig. 73

Fig. 74

Electrical

Supply Plug

Pump Flow

Pipe

Control Box

removed for clarity

14 Baxi EcoBlue Advance 28 - 33 Combi ERP Supplement

14.2 Spare Parts List

Key Description Manufacturers

No.

No. Part No.

K Pump 72

14.1 Specific Maintenance Operations

Changing Components

1 2 ... 67 68 69 70 71 72 73 74 75 76

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Baxi EcoBlue Advance Combi Quick Start Manual Page 72

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