Installation manual

GB - 17
40 GKX
ENGLISH
Maintenance
Maintenance
Cleaning and maintenance operations must be carried out by
specially trained personnel.
Before performing any service or maintenance operations,
turn OFF the main power switch.
To open the unit grille:
Turn the two screws through 90° (1/4 turn).
Filter cleaning
Clean filters in accordance with the actual operating
conditions and times (approximately every 6 months).
• The acrylic air filter is washable in water.
Electrostatic and active carbon filters (which can be used on
the unit) are not washable but must be replaced.
Extract the filter.
First vacuum clean the filter, then wash under tap water and
finally dry.
Replace the filter in the correct position.
Prolonged shutdown:
• Before starting the air conditioner:
- inspect and clean the outdoor unit, especially the heat
exchanger coil.
- clean or replace the indoor unit air filters.
- check and clean the indoor unit condenser drain pan; the same
check must be made on the heat pump outdoor units.
- check tightness of electric connections.
Additional maintenance
• The electric panel is easily accessible by removing the cover
panel.
The inspection or replacement of internal components such as:
fan motor, coil, condensate discharge pump, float switch, coil sen-
sors, electric heater (if fitted), involve the removal of the conden-
sate drain pan.
Condensate drain pan removal
• During the removal operation of the condensate drain pan
protect the floor with a plastic sheet under the unit.
• Remove the frame-grille assembly by loosening the screws
and disconnecting the C
A and CLR; connectors; drain the
condensate water contained in the drain pan into a bucket
of at least 10 litres capacity, using the special drain with a
rubber plug.
• Remove the electrical panel cover and disconnect the
connections between the indoor and outdoor units
(S1, S2, Y, O, W2, C, R) connectors C
V, CG, CP and the yellow-
green ground wire i (see drawing in “electrical connections”
section).
• Remove the four fixing screws on the side of the drain pan and
carefully remove the condensate drain pan.
Guide for the owner
When installation and tests are completed explain the Operation
and Maintenance Manual to the owner, with particular attention to
the main operating modes of the air conditioner, such as:
• Turning the unit ON and OFF.
• Changing the operation modes.
• Temperature selection.
• Functions of the remote control.
Leave the two installation manuals for the indoor and outdoor
units with the owner for future use during maintenance opera-
tions or for any other needs.
Acrylic air filter