Worcester GREENSTAR HE combi Series User Manual

6 720 610 597 GB (03.02)
Maintenance
41
Condensation trap
In order to prevent spillage of condensate the condensa-
tion trap should be completely removed, (see page
39,
fig.
46).
B Unscrew condensation trap and check connection to
heat exchanger is clear.
B Remove condensation trap cover and clean.
B Fill condensation trap with approx. 1/4 l of water and
refit.
Electrode assembly
B Switch off the master switch.
B Pull off the leads from the electrodes. Refer to fig. 2.
B Unscrew the two fixing screws and carefully remove
the electrode assembly . Refer to fig.
45.
B Clean the electrodes with a non-metallic brush. (The
spark gap should be 4.5 mm ± 0.5 mm.)
B Replace and re-connect the assembly taking care not
to mislay the inspection window.
Diaphragm in mixer unit for ZWBR 7-30 HE plus
B Open mixer unit (29).
B Carefully withdraw diaphragm (443) from fan intake
tube and check for soiling and splits.
Fig. 52
B Carefully refit diaphragm (443) the correct way
round into the fan intake tube.
B Seal the mixer unit (29).
Diaphragm in mixer unit for ZWBR 11-35 HE plus
B Remove fan and mixer unit assembly.
Fig. 53
B Unscrew mixer unit (29).
B Remove sleeve.
B Carefully remove diaphragm (443) and check for
soiling and cracks.
B Refit diaphragm (443) taking care to ensure it is the
correct way round.
B Refit mixer unit (29) and fan assembly.
B Take care not to damage diaphragm
(443) when removing and refitting it.
i
The flaps of the diaphragm (443) must
open upwards.
1.
2.
3.
443
29
6 720 610 790-07.2R
i
The flaps of the diaphragm (443) must
open upwards.
1.
2.
3.
4.
5.
443
6 720 610 910-63.1R
29

Worcester GREENSTAR HE combi Series Specifications

General

Brand	Worcester
Model	GREENSTAR HE combi Series
Category	Boiler
Language	English