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Post-warming regulator
Use the rotary knob (1...6) in the right side panel to
variably adjust the temperature for post- 15. w arming of the
fresh air.
Knob setting 1: approx. 3°C
Knob setting 6: approx. 32°C
The lowest possible setting at which no draughts can be
perceived should be set.
Fig. 8
Care and maintenance
• The care and maintenance intervals for the Electric
ventilation unit are very dependent upon the location
and operating conditions to which they are subjected.
It is recommended, however, that this work be done
at least once a year.
• Maintenance consists essentially of occasional moni- 15.
toring of the radiator and the air ducts for dust as well
as a regular cleaning of the filters and possibly the
cross-flow heat exchanger and the condensate sump.
• The external grilles of the air ducts are to be cleaned
according to the general outside conditions - 15. howev- 15.
er, at least once a year.
• The cross-flow heat exchanger can be cleaned using
hot water with normal household cleaning fluid. Take
care not to damage the heat exchanger. The cross- 15.
flow heat exchanger must be dry before replacing it.
• Do not clean the surfaces of the appliance with „soft- 15.
scrub" or other abrasive cleaners. Always use a nor- 15.
mal household cleaning fluid.
Before undertaking any maintenance or cleaning
work on the appliance, first remove the front panel (B,
Fig. 10). To do this it must be pushed approx. 1 cm up- 15.
wards and the removed towards the front.
In order to clean the parts in the ventilation module
(C, Fig. 10) (cross-flow heat exchanger, fresh-air filter,
exhaust-air filter, condensate sump), the sealing panel
(D, Fig. 10) must first be removed. To do this, push the
locking mechanism (E, Fig. 10) at the bottom of the
sealing panel downwards. The panel springs out of the
locking mechanism and can then be lift forwards out of
the retaining lugs.
A contact switch at the bottom of the ventilation module
automatically switches off current to all electrical parts
when the sealing panel is removed.
The ventilation module parts are to be removed in the
following order (Fig. 9):
1. Remove the fresh-air filter (1).
2. Remove the cross-flow heat exchanger (2).
Make sure that the front insulating part of the
ventilation module is not removed with the
cross-flow heat exchanger!
3. Remove the exhaust-air filter (4).
Note:
The exhaust air filter can be removed from the
ventilation module without having to first re-
move the cross-flow heat exchanger.
4. In order to remove the condensate sump (3), first
take off the two tubes on the underside of the
sump.
1
5
4
3
Fig. 9
2
drip rim
contact switch
27
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