Benchmark RD 532i User Manual

6 720 611 447 GB (03.11)
40
Maintenance
Condensation trap
In order to prevent spillage of condensate the conden-
sation trap should be completely removed, (see
page 38, fig. 48).
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. 47.
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 RD532i
B Open mixer unit (29).
B Carefully withdraw diaphragm (443) from fan intake
tube and check for soiling and splits.
Fig. 54
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 RD537i/542i
B Remove fan and mixer unit assembly.
Fig. 55
B Unscrew mixer unit (29).
B Remove sleeve.
B Carefully remove diaphragm (443) and check for soil-
ing 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.
1.
2.
3.
44
3
29
6 720 610 790-07.2R
i
The flaps of the diaphragm (443) must
open upwards.
i
The flaps of the diaphragm (443) must
open upwards.
1.
2.
3.
4.
5.
443
6 720 610 910-63.1R
29

Benchmark RD 532i Specifications

General

Brand	Benchmark
Model	RD 532i
Category	Water Heater
Language	English