Bosch Appliances 28i junior Boiler User Manual


 
REPLACEMENT OF PARTS
19. Diverter valve motor
Insure the appliance is in service mode
(there is no need to drain the appliance).
Disconnect the electrical connector from the
diverter valve motor.
18.1
Pull the motor assembly (A) towards you. The
assembly will slide free from the valve.
To refit, follow the above in reverse.
20. Diverter valve
Ensure the appliance has been fully drained.
Disconnect the electrical connector from the
diverter valve motor.
Undo the two screws holding the valve to the
plastic housing.
20.1
Withdraw the valve (B) and clean the valve
chamber if necessary.
To refit, follow the above in reverse. Ensure
any seals that have been disturbed are
renewed.
21. Auto air vent
Ensure the appliance has been fully drained.
21.1
Use a screwdriver or similar to rotate the air
vent anticlockwise.
21.2
Lift the air vent (C) out of the housing and
remove.
To refit, follow the above in reverse.
22. DHW temperature sensor
Ensure the domestic hot water circuit is fully
drained (see draining the domestic hot water).
Disconnect the electrical connection from
the sensor.
22.1
Withdraw the spring clip.
22.2
Withdraw the sensor (D) from the housing.
To refit, follow the above in reverse.
19.1
A
21.2
C
20.1
B
22.2
D
22.1
REPLACEMENT OF PARTS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 24 i junior/28 i junior
8 716 107 336b (11/05)
47
SERVICING
& SPARES
21.1