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T
EST OPERATION
Refer to the installation manual of the outdoor unit.
NOTE
When performing field settings or test operation
without attaching the decoration panel, do not touch
the drain pump. This may cause electric shock.
The operation lamp of the remote controller will flash when an error
occurs. Check the error code on the liquid crystal display to identify
the trouble. Refer to the installation manual attached to the outdoor
unit or contact your dealer. See
1
Drain pumping device (built-in) drain water is removed from the
room during cooling
2
Air flow flap (at air outlet)
3
Air outlet
4
Remote controller
5
Suction grille
6
Air filter (inside suction grille)
M
AINTENANCE
CAUTION
Only a qualified service person is allowed to perform
maintenance.
Before obtaining access to terminal devices, all power supply
circuits must be interrupted.
To clean the air conditioner, be sure to stop operation and turn
the power switch off.
Otherwise, an electric shock and injury may result.
Do not wash the air conditioner with water.
Doing so may result in an electric shock.
Be careful with scaffoldings.
Caution must be exercised when working in high places.
After a long use, check the unit stand and fitting for damage. If
damaged, the unit may fall and cause injury.
Do not touch the heat exchanger fins.
The fins are sharp and could result in cutting injuries.
When cleaning the heat exchanger, be sure to remove the
control box, fan motor, drain pump and float switch. Water or
detergent
may
deteriorate
components and result in burn-out of these components.
How to clean the air filter
Clean the air filter when the display shows "
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.)
NOTE
Do not wash the air filter with hot water of more than
50°C. Doing so may result in discoloration and/or
deformation.
Do not expose the unit to fire. Doing so may result in
burning.
1
Open the suction grille
(See
illustration).
Push both levers simultaneously in the direction of the arrow as
indicated in the illustration and carefully lower the grille.
(Identical procedure for closing.)
Installation and operation manual
9
figure
22.
the
insulation
of
electronic
" (TIME TO
figure 21)
(action
1
2
Remove the air filter (actions 2 to 4 in the illustration).
Pull the air filter clip on both the bottom left and the right side of
the filter toward you, and detach the filter.
3
Clean the air filter.
Use vacuum cleaner or wash the air filter with water.
When the air filter is very dirty, use soft brush and neutral
detergent.
4
Remove water and dry in the shade.
5
Install the air filter back in place (perform actions 2 to 4 in the
illustration in reverse order).
Attach the air filter to the suction grille by hanging it over the
projected portion above the suction grille.
Press the bottom of the air filter against the projections on the
bottom of the grille to snap the air filter into its place.
6
Close the suction grille by performing procedure step 1 in
reverse order.
7
After turning on the power, press the FILTER SIGN RESET
button.
The "TIME TO CLEAN AIR FILTER" display vanishes.
NOTE
Do not remove the air filter except when cleaning.
Unnecessary handling may damage the filter.
How to clean the suction grille
(See figure 21)
1
Open the suction grille (action 1 in the illustration).
Refer to procedure step 1 in
page
9.
2
Detach the suction grille (actions 5 to 6 in the illustration).
First detach the 2 strings from the pins of the decoration panel.
Hold the suction grille open at 45 degrees and lift it upward to
unhook it from the decoration panel.
3
Remove the air filter (actions 2 to 4 in the illustration).
Refer to procedure step 2 in
page
9.
4
Clean the suction grille.
Wash with a soft bristle brush and neutral detergent or water,
and dry thoroughly. See
NOTE
When the suction grille is very dirty, use a typical
kitchen cleaner and let it sit for about 10 minutes.
Then, wash it with water.
Do not wash the suction grille with hot water of more
than 50°C. Doing so may result in discoloration and/or
deformation.
5
Install the air filter back in place (perform actions 2 to 4 in the
illustration in reverse order).
6
Reattach the suction grille by performing procedure step 2 in
reverse order (perform actions 5 to 6 in the illustration in reverse
order).
7
Close the suction grille by performing procedure step 1 in
reverse order.
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.
in
the
(See figure 23)
"How to clean the air filter" on
"How to clean the air filter" on
figure
24.
VRV System air conditioners
FXFQ20~125P8VEB
4PW44997-1
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