Baxi Potterton 24 Eco HE Changing Components, Pump - Head Only Figs. 58, Pump - Complete Figs. 59

12.0CHANGING COMPONENTS

12.11Pump - Head Only (Figs. 58 & 59)

1.Drain the primary circuit and remove the socket head screws securing the pump head to the body and draw the head away.

2.Undo the screw on the pump wiring cover and remove the cover. Using a suitable flat bladed screw driver press the cable securing levers downwards to release each wire after noting their position.

3.A standard Grundfos 15-60 replacement head can now be fitted. Connect the wiring to the new head. The pump speed must be set to 3.

4.Reassemble in reverse order.

12.12Pump - Complete (Figs. 59 & 60)

1.Drain the primary circuit and unscrew the automatic air vent from the pump body. Undo the two screws securing the body to the pipe and manifold and draw the pump forwards.

2.Undo the screw on the pump wiring cover and remove the cover. Using a suitable flat bladed screw driver press the cable securing levers downwards to release each wire after noting their position.

3.Connect the wiring to the new pump. Examine the ‘O’ ring seals on the return pipe and manifold, replacing if necessary.

4.Fit the air vent to the pump body and reassemble in reverse order.

Pump Wiring

Cover

Socket Headed Screw

Pump Body

Pump Head

Fig. 58

12.13Automatic Air Vent (Fig. 60)

1.Drain the primary circuit and unscrew the automatic air vent from the pump body.

2.Examine the ‘O’ ring seal, replacing if necessary, and fit it to the new automatic air vent.

Pump Setting

Fig. 59

Automatic

Air Vent

3. Reassemble in reverse order.

Pump Wiring

Cover

Fig. 60

Publication No. 5111811 33