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Service and spares
7.8.6
Flue overheat thermostat
▶ Disconnect the lead to the thermostat.
Take care not to damage the housing when removing the
thermostat.
▶ Using a small screwdriver, gently prise the thermostat from the
housing taking care not to damage the housing or grommet.
Fig. 74 Flue overheat thermostat
▶ To replace, push the thermostat and new grommet gently back into
the opening until contact with the locating ridge is felt.
▶ The Flueway will have to be removed if the thermostat falls into the
housing, refer to section 7.8.10.
7.8.7
Air Pressure Switch
NOTICE: Air Pressure Switch
▶ Ensure that the tube is reconnected to the Air
Pressure Switch
To remove the Air pressure switch assembly:
▶ Slacken the two screws [1] but do not remove
▶ Remove the connector from the terminals [2]
▶ Disconnect the tube from the flue pipe
▶ Slide the assemble to left to release the retaining bracket
▶ Remove the assembly
1
2
Fig. 75
44
4
3
To remove and replace the Air pressure switch:
▶ Remove the two screws [5] retaining the switch to the bracket [4].
▶ Disconnect the tube [3] from the switch.
▶ Fit the new switch to the bracket and secure with the two screws [5].
▶ Re-connect the tube [3] to the switch, ensuring routing is looped as
in figure 75.
▶ Re-connect the connectors to the terminals [2].
▶ Align the Air pressure switch bracket [4] over the two screws [1] and
slide the assembly to the right, tighten the screws to secure.
5
Fig. 76
7.8.8
Auto air vent
Ensure that the boiler has been fully drained.
1. Remove the spring clip completely.
2. Lift the air vent out of the housing and remove.
Fig. 77 Auto air vent
When re-assembling ensure that the "O" ring is fitted to the Auto air vent
and NOT the heat exchanger, otherwise the Air vent will be difficult to fit.
Apply silicone grease to the "O" ring to ease assembly.
Greenstar Ri Compact
6720813276-07.1Wo
2.
1.
ErP
6720813282 (2015/07)
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