46
SERVICING
Procombi Exclusive
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Installation and Servicing
57 DIVERTER VaLVE bODy assEMbLy REpLaCEMENT
T
o remove the valve body assembly:
1. Refer to Frame 39.
2. Drain the boiler. Refer to frame 52.
3. Remove the condensate trap/siphon. Refer to Frame 48.
4. Remove the electrical plug. Refer to Frame 47.
5. Place a flat bladed screwdriver in the diverter valve motor
body slot provided and ease out the motor Refer to Frame
47.
6. Remove the return thermistor electrical connection. Refer to
Frame 63.
7. Remove the pump electrical connection. Refer to Frame 59 no. 3.
8. Remove DHW Turbine electrical connection. Refer to
Frame 53 no. 3.
9. Remove the DHW plate heat exchanger (note orientation).
Refer to Frame 58.
10. Undo the safety valve pipe compression fitting. See No.5
Frame 55.
11. Remove the compression fitting above the pump and rotate
the pipe.
12. If required remove expansion vessel connection hose.
Refer to Frame 65, no. 8.
13. Remove the DHW inlet and CH return connection situated
beneath the boiler.
14. Remove the three torx head screws fixing the return
manifold to the boiler sheet steel base.
15. Lift the manifold assembly and remove from boiler.
16. Twist and remove the DHW manifold.
17. Remove the two diverter valve body fixing screws and
withdraw the diverter valve body assembly.
18. Fit the new diverter valve body assemble and replace the
two fixing screws.
19. Refit the DHW manifold, fit the assembly back to the boiler
and reassemble in reverse order.
20. Refill the boiler. Check operation of the boiler. Refer to
Frames 28 & 29.
1. Refer to Frame 39.
2. Drain the boiler. Refer to frame 52.
3. Remove the condensate siphon. Refer to Frame 48.
4. Remove the two plate heat exchanger fixing screws.
5. Slide the plate heat exchanger to the left and push the plate
back to disengage.
6. Remove the plate heat exchanger.
7. Fit the new plate heat exchanger using the new ‘O’ rings
provided and re-assemble in reverse order.
Note.
Ensure dimples and “bottom” are lower most.
8. Refill the boiler.
9. Check operation of the boiler. Refer to Frames 28 & 29.
58 DhW pLaTE hEaT ExChaNgER REpLaCEMENT
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14
11
12
13
16
18 17
59 pUMp hEaD REpLaCEMENT
1.
Refer to Frame 39.
2.
Drain the boiler. Refer to Frame 52.
3.
Disconnect the electrical lead from the pump.
4.
Remove the 4 Allen screws retaining the pump head.
5.
Remove the pump head.
6.
Fit the new pump head.
7.
Reassemble in reverse order.
8.
Refill the boiler.
9.
Check operation of the boiler. Refer to Frames 28 & 29.
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VICIN
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