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7.22 DIVERTER VALVE MOTOR - Fig. 7.3
Switch the boiler to Standby ( ).
Gain access as described in Sections 7.1.
2. Push the clip on the plug and pull the plug from the diverter motor.
3. Lift the motor upwards and forwards to remove from the valve body.
4. Re-assemble in reverse order with a new motor.
7.23 DIVERTER VALVE CARTRIDGE - Fig. 7.3
Gain access and drain the boiler heating circuit as described in Sections 7.1 and 7.2.
1. Remove the diverter valve motor as described in Section 7.22.
2. Using the supplied tool and a suitable spanner turn the diverter valve cartridge anticlockwise until its retaining lugs hit
the stops.
3. Withdraw the cartridge taking care not to spill any water onto any electrical components.
4. Insert the new cartridge with the locating lug at the top and push firmly into place. Using the supplied tool and a suitable
spanner turn the cartridge clockwise until the retaining lugs are locked into position.
5. Pull the diverter pin fully out into the CH position and connect the diverter motor as in Section 7.22.
6. Refill and pressurise the system. (Refer to Commissioning, Section 5.1).
7.24 EXPANSION VESSEL - Fig. 7.1
Note: Check that the pressure of the new vessel is 1 bar before it is installed.
Gain access and drain the boiler heating circuit as described in Sections 7.1 and 7.2.
1. Remove the top side panel fixing screw.
2. Disconnect the copper pipe from the bottom of the vessel.
3. Remove the top fixing nut from the air valve.
4. Remove the bottom fixing screw and withdraw the vessel taking care not to spill any water into other boiler components.
5. Re-assemble in reverse order.
6. Refill and pressurise the system. (Refer to Commissioning, Section 5.1).
7.25 ALPHA CONTROLS (if fitted)
Refer to section 4.11 on the connection options for boiler controls.
Alpha InTec² 26E, 30CE and 35CE - Component Replacement
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