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Care and maintenance
•
The care and maintenance intervals for the
AirCom Zentral are very dependent upon the lo-
cation 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
monitoring 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 condi-
tions - however, 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 ex-
changer. The cross-flow heat exchanger must be
dry before replacing it.
•
Do not clean the surfaces of the appliance with
"soft-scrub" or other abrasive cleaners. Always
use a normal household cleaning fluid.
Before undertaking any maintenance or cleaning work
on the appliance, first remove the front panel (B,
Fig.8). To do this it must be pushed approx. 1cm up-
wards and the removed towards the front.
In order to clean the radiator (K, Fig.8) on the right
hand side of the appliance, the top panel (H, Fig.8)
must also be removed. To do this it must be pulled
upwards out of the spring clips on the right and left
side. Then tilt the cover towards the rear panel in or-
der to lift it off the sliding valve.
In order to clean the parts in the ventilation module (C,
Fig.8) (cross-flow heat exchanger, fresh-air filter, ex-
haust-air filter, condensate sump), the sealing panel
(D, Fig.8) must first be removed. To do this, push the
locking mechanism (E, Fig.8) 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 mod-
ule 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:
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 hav-
ing to first remove the cross-flow heat
exchanger.
40
4. In order to remove the condensate sump (3), first
take off the two tubes on the underside of the
sump.
1
2
5
4
3
Contact switch
Drip rim
The parts are to be replaced in the reverse order to
which they were removed.
The following important points are to be complied with
here:
•
The exhaust-air filter (4) (white, filter class EU5/F5)
sits with its smooth side towards the condensate
sump. The filter must be inserted firmly into the
slots provided in the insulation parts!
•
Insert the condensate sump (3) in such a way that
it sits with its rear edge in the slot provided in the
rear insulation part and with its right side under the
drip rim of the cross-flow heat exchanger. The
condensate sump must not extend out of the venti-
lation module. Replace the tubes on the lower side
of the condensate sump.
•
The cross-flow heat exchanger (2) is to be inserted
with the drip rim at the lower left, so that it sits un-
der the condensate sump.
•
The fresh-air filter (1) (white, filter class EU5/F5)
sits with its smooth side towards the cross-flow
heat exchanger.
•
Insert all parts in such a way that they sit flush to
the guide slots and/or on to the supports.
•
Hang the sealing panel over the ventilation module
in such a way, that it sits flush and forms a seal. In
order to create a seal, the panel must be hung over
the ventilation module and then hinged downwards
until a backward pressure is felt. Ensure that the
pin at the bottom of the sealing panel sits back in
the opening for the contact switch, and that the
switch is operated correctly. In this position, lightly
press on the sealing panel with one hand until the
bottom locking mechanism engages.
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