Carrier 42GW Installation Manual download pdf (Page 17)

42 GW

GB - 16

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.

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 frame-grille assembly by loosening the screws;

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 electric

connections, connectors C

V, CG, CP and the yellow-green

ground wire  (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 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.

Acrylic fibre

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Carrier 42GW Installation Manual Page 17

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