Siphon Removal; Diverter Valve Motor (If Fitted); Diverter Valve (If Fitted); Auto Air Vent - Worcester Greenstar i Series Installation, Commissioning And Servicing Instructions

Wall hung rsf gas fired condensing system boiler for sealed central heating systems and indirectly fed domestic hot water
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6.8.15 SIPHON REMOVAL

Removal of the siphon assembly will give access to the

Auto Air Vent.

To release the siphon from the sump:
1. Disconnect the discharge hose from the condensate outlet pipe.
2. Using a screwdriver, disengage the retaining clip on top of the syphon.
3. Pull the siphon towards you and remove the complete assembly.
3.
1.
Fig. 113 Siphon removal

6.8.16 DIVERTER VALVE MOTOR (IF FITTED)

▶ Connect electrical power to the appliance.
▶ Enter the service mode to ensure that the diverter valve is in the mid
position (there is no need to drain the appliance).
▶ Electrically isolate the appliance.
▶ Remove diverter valve cover, if fitted.
▶ Disconnect the electrical connector from the diverter valve motor.
1. Pull the motor assembly towards you.
The assembly will slide free from the valve.
▶ To fit the new diverter valve motor, slide the body into the housing.
▶ Ensure that "H" section of the motor actuator is fitted correctly into
valve body.
▶ Re-connect the electrical connection.
▶ Re-fit the protective cover (if available).
2.
1.
Fig. 114 Diverter valve and motor

6.8.17 DIVERTER VALVE (IF FITTED)

▶ Ensure the appliance has been fully drained.
▶ Disconnect the electrical connector from the diverter valve motor.
6 720 804 532 (2012/09)
2.
6720644743-28.2Wo
3.
6720644743-29.1Wo
▶ Remove the diverter valve cover, if fitted.
2. Undo the two screws holding the valve to the plastic housing.
3. Withdraw the valve and clean the valve chamber if necessary.
▶ To refit, follow the above in reverse.
▶ Ensure any seals that have been disturbed are renewed.
6.8.18 AUTO AIR VENT
Removal of the syphon assembly will give access to Auto
air vent. Refer to page 45.
▶ Ensure the appliance has been fully drained.
▶ Use a screwdriver or similar to rotate the air vent anti-clockwise, as
shown below.
Fig. 115 Auto air vent
1. Lift the air vent (1) out of the housing and remove.
Fig. 116 Auto air vent removal
NOTICE:
▶ The "O" ring must be fitted to the Auto air vent and
NOT the hydraulic block otherwise the Auto air vent
will be difficult to fit.
▶ Apply silicone lubricant to the "O" ring to ease
assembly.
▶ To refit, follow the above in reverse.
SERVICE AND SPARES
6720643895-85.1Wo
1.
6720644743-30.1Wo
45

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This manual is also suitable for:

Greenstar 24iGreenstar 12iGreenstar 15iGreenstar 18i

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