14 Care and maintenance
Regular care and observation of some basic points
will ensure trouble-free operation and a long
service life.
DANGER!
Prior to performing any work, ensure the equip-
ment is disconnected from the voltage supply
and secured to prevent accidental switch-on!
Care
n Ensure the unit is protected against dirt, mould
and other deposits.
n Only clean the unit using a damp cloth. Do not
use any caustic, abrasive or solvent-based
cleaning products. Do not use a jet of water.
n Clean the fins on the unit prior to long shut-
down periods.
Maintenance
n It is recommended that you take out a mainte-
nance contract with an annual service from an
appropriate specialist firm.
This enables you to ensure the operational reli-
ability of the plant at all times!
Air filter for indoor unit
The cleaning interval for the air filter in the unit is
decisively dependent on the quality of the room air.
If the room air is extensively contaminated with
solid particles, the air filter should be checked and
cleaned at an appropriately frequent interval.
Type of task
Checks/maintenance/inspection
Commis-
sioning
Monthly Half-
yearly
Yearly
General
l
l
Medium cycle bleeding
l
l
Check medium filling
l
l
Contamination of fin register
l l
Filter contamination
l l
Check voltage and current
l
l
Check function of fan
l
l
Check condensate drainage
l
l
Check insulation
l
l
1)
see note
Cleaning the housing
1. Disconnect the power supply to the unit.
2. Open and fold the intake grill on the front
side upwards.
3. Clean the grill and housing using a soft,
damp cloth.
4. Switch the power supply back on.
Cleaning the filter
1. Disconnect the power supply to the unit.
2. Open the front side of the unit by folding the
grill upwards and allowing it to engage
(Fig. 37).
3. Raise the filter and pull it out in a downwards
direction (
Fig. 37).
4. Clean the filter with a commercially available
vacuum cleaner (
Fig. 38). To do so, turn the
dirty side so it is facing upwards.
49
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