Installation and operation manual
8
FXSQ20~125M7V1B
VRV System air conditioner
4PW15110-1
M
AINTENANCE
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.
If the dirt becomes impossible to clean, change the air filter. (Air filter
for exchange is optional.)
1
Open the suction grille. (Only for bottom suction.)
Slide both knobs simultaneously as shown and then pull them
downward.
If chains are present, unhook the chains.
2
Remove the air filters.
Remove the air filters by pulling their cloth upward (rear suction)
or backward (bottom suction).
3
Clean the air filter.
Use vacuum cleaner (A) or wash the air filter with water (B).
When the air filter is very dirty, use soft brush and neutral
detergent.
Remove water and dry in the shade.
4
Fix the air filter.
Align the two hanger brackets and push the two clips in their
place (pull the cloth if necessary).
Confirm that four hangers are fixed.
5
Shut the air inlet grille. (Only for bottom suction.)
Refer to item no.
1
.
6
After turning on the power, press FILTER SIGN RESET button.
The "TIME TO CLEAN AIR FILTER" display is turned off.
Caution
■
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, auxiliary electric heater and
drain pump. Water or detergent may deteriorate the
insulation of electronic components and result in burn-
out of these components.
■
If the main power supply is turned off during
operation, operation will restart automatically after the
power turns back on again.
rear suction
(A) Using a vacuum cleaner
(B) Washing with water
bottom suction
rear suction
bottom suction
