Refer to Section
3.3
Refer to Section
3.2
Refer to Section
3.18
Refer to Section
3.17
Refer to Section
3.14
51
Installation and Servicing
Section 3 - Servicing
SER
VICING
3.26 DIVERTER VALVE BODY ASSEMBLY REPLACEMENT
17
16
17
12
9
11
3
T
o remove the valve body assembly:
1. Drain the boiler.
2. Remove the condensate trap.
3. Remove the electrical plug from the divertor valve.
4. Place a flat bladed screwdriver in the diverter valve motor
body slot provided and ease out the motor.
5. Remove the return thermistor electrical connection.
6. Remove the pump electrical connections.
Refer to Section
3.28
7. Remove DHW Turbine electrical connection.
Refer to Section
3.26
8. Remove the DHW plate heat exchanger (note
orientation).
Refer to Section
3.25
9. Loosen the nut above pump and rotate the pipe.
10. If required remove expansion vessel connection hose.
Refer to Section
3.31
11. If required remove the 15mm compression coupling to the
PRV discharge pipework.
12. Remove the DHW inlet and CH return connection situated
beneath the boiler.
13.
Remove the four torx head screws fixing the return
manifold to the boiler sheet steel base.
14. Lift the manifold assembly and remove from boiler.
15. Twist and remove the DHW manifold.
16.
Remove the two diverter valve body fixing screws and
withdraw the diverter valve body assembly.
17. Fit the new diverter valve body assembly and replace the
two fixing screws.
18.
Refit the DHW manifold, fit the assembly back to the
boiler and reassemble.
19.
Refill the boiler and check for leaks. Check that the boiler
operates in both DHW & CH modes.