Diverter Valve Motor; Diverter Valve Cartridge; Pressure Relief Valve - Baxi COMBI 224 Installation And Service Manual

Fig.64 Removing the diverter valve motor
Fig.65 Removing the diverter cartridge
Fig.66 Removing the pressure relief valve
7661586 - 2 - 12072016

10.4.8 Diverter valve motor

1. Hinge the control box down.
2. Remove the air/gas unit.
See
To remove see section 10.3.7 Air/gas unit paragraph 1 to 6.
3. Undo the screw securing the electrical plug to the motor unit. Dis­
connect the plug.
4. Hold the motor in place against the spring pressure of the valve and
removing the securing clip.
5. Remove the motor.
6. When fitting the new motor it will be necessary to hold the unit firmly
while depressing the valve return spring.
PN-0000243
7. Reassemble in reverse order.

10.4.9 Diverter valve cartridge

1. Close the flow and return isolation taps.
2. Drain the primary circuit.
3. Hinge the HMI control box down.
4. Remove the air/gas unit.
5. Remove the diverter valve motor.
See
Section 10.4.7
6. Remove the pressure gauge clip and ease the pressure gauge away
from its housing.
Note
It is recommended to completely remove the pressure gauge to
ease the access to the diverter cartridge. Push the plastic retain­
ing spring clips away and press the gauge out.
PN-0000281
7. Remove the clip securing the central heating filter.
8. Grip the central heating filter firmly and pull away. Note the orienta­
tion of the o-ring seal.
9. Remove the diverter valve cartridge clip.
10. Grip the cartridge firmly and pull away from the o-ring seal.
11. Reassemble in reverse order.
10.4.1

Pressure relief valve

0
Note
It may be necessary to dismantle the PRV pipework.
1. Remove the pipe from the pressure relief valve outlet by gripping
firmly and pulling down.
2. Reassemble in reverse order.
PN-0000280
10 Maintenance
63