Routine Maintenance - Gree GKH12K3FI Manual

DC Inverter U-match Series Cassette Type Unit

7.2 Routine Maintenance

Only a qualified service person is allowed to perform maintenance.
Before accessing to terminal devices, all power supply circuits must be disconnected.
Do not use water or air of 50°C or higher for cleaning air filters and outside panels.
Notes:
Do not operate the air conditioner with the filter uninstalled, otherwise dust would come into
① .
the unit.
Do not remove the air filter except for cleaning. Unnecessary handling may damage the filter.
② .
Do not clean the unit with gasolene, benzene, thinner, polishing powder or liquid insecticide,
③ .
otherwise it would cause discoloration and deformation of the unit.
Do not wet the indoor unit in case of electric shock or fire hazard.
④ .
Increase the frequency of cleaning if the unit is installed in a room where the air is extremely
contaminated.(As a yardstick for yourself, consider cleaning the filter once a half year.)
If dirt becomes impossible to clean, change the air filter.
1. Open the air inlet grille
(1). How to open the panel grille of the
24K~42K cassette type unit
① . Push the buckle as shown in the
figure.
② . Release the screws under buckles by
a screwdriver.
③ . Push the fastener and open the panel
grille.
(2). How to open the panel grille of the
12K\18K\48K\60K cassette type unit
① . Remove the screws by a screwdriver
as shown in the picture.
② . Push those two fasteners and open
the panel grille.
How to clean the air filter
Push the fastener
31
Remove the screw
Remove the screw
Push the fastener