42 GW
Maintenance and owner's guide
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.
Acrylic fibre
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:
-clean or replace the unit air filters.
-check and clean the drain pan and the condensate discharge of the unit
-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, electric heater (if fitted), involve the removal of the condensate 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
•Remove the electrical panel cover and disconnect the electric
connections, connectors CV, CG, CP and the
•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 instruct the Owner on the main operating modes of the air conditioner, such as:
•Turning the unit ON and OFF.
•Changing the operation modes.
•Temperature selection.
Leave the installation manual with the owner for future use dur- ing maintenance operations or for any other needs.
GB - 16