FXFQ20~125M8V3B
VRV System air conditioners
4PW25082-1A
Installation and operation manual
8
M
AINTENANCE
IMPORTANT
■
ONLY A QUALIFIED SERVICE PERSON IS ALLOWED TO
PERFORM MAINTENANCE.
■
BEFORE OBTAINING ACCESS TO TERMINAL DEVICES, ALL
POWER SUPPLY CIRCUITS MUST BE INTERRUPTED.
■
DO NOT USE WATER OR AIR OF 50°C OR HIGHER FOR
CLEANING AIR FILTERS AND OUTSIDE PANELS.
■
WHEN CLEANING THE HEAT EXCHANGER, BE SURE TO
REMOVE THE SWITCHBOX, FAN MOTOR AND DRAIN PUMP.
WATER OR DETERGENT MAY DETERIORATE THE
INSULATION OF ELECTRIC COMPONENTS AND RESULT IN
BURN-OUT OF THESE COMPONENTS.
How to clean the air filter
Clean the air filter when the display shows "
" (TIME TO
CLEAN AIR FILTER).
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. (Air filter for
exchange is optional.)
1.
Open the suction grill.
Push both knobs simultaneously and carefully lower the grille.
(Identical procedure for closing.)
2.
Remove the air filters.
Pull the air filter clips toward you, and detach the filter.
3.
Clean the air filter.
Use a vacuum cleaner or wash the air filter with water.
When the air filter is very dirty, use a soft brush and neutral
detergent.
Remove water and dry in the shade.
4.
Fix the air filter.
Attach the air filter to the suction grill by hanging it to the
projected portion above the suction grill.
Press the bottom of the air filter against the projections on the
bottom of the grille to snap the air filter into its place.
5.
Shut the air inlet grill.
Refer to item No. 1.
6.
After turning power on, press the FILTER SIGN RESET button.
The "TIME TO CLEAN AIR FILTER" display disappears.
(For details, refer to the operation manual of the outdoor unit.)
How to clean the air outlet and outside panels
■
Clean with a soft cloth.
■
When it is difficult to remove stains, use water or neutral
detergent.
■
When the blade is extremely contaminated, remove it as below
and clean or exchange it. (Blade for exchange is optional.)
How to clean the suction grill
1.
Open the suction grill.
Push both knobs simultaneously and carefully lower the grille.
(Identical procedure for closing.)
2.
Detach the suction grill
Open the suction grill 45 degrees and lift it upward.
NOTE
Do not remove the air filter except when cleaning.
Unnecessary handling may damage the filter.
NOTE
■
Do not use gasoline, benzene, thinner, polishing
powder nor liquid insecticide. It may cause
discolouring or warping.
■
Do not let the indoor unit get wet. It may cause
electric shock or fire.
