Baxi Ecoblue Advance 28 - 33 Combi Erp Supplement; Specific Maintenance Operations Changing Components; Pump - Head Only; Pump - Complete - Baxi EcoBlue Advance Combi 28 Installation And Service Manual

14

Baxi EcoBlue Advance 28 - 33 Combi ERP Supplement

14 Baxi EcoBlue Advance 28 - 33 Combi ERP Supplement
Electrical
Supply Plug
Pump Head
Socket Headed
Screw
Fig. 73
Automatic
Air Vent
72 EcoBlue Advance Combi
Control Box
removed for clarity
Pump Body
Pump Flow
Pipe
Fig. 74
K
14.1 Specific Maintenance Operations
Changing Components
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.

14.2 Spare Parts List

Key Description
No. No.
K Pump
Manufacturers
Part No.
72
Comp No. 7212138 - 02 (06/14)