Si18-525B
Instruction
Operation Manual
307
ONLY A QUALIFIED SERVICE PERSON IS
ALLOWED TO PERFORM MAINTENANCE
IMPORTANT!
• BEFORE OBTAINING ACCESS TO TERMINAL
DEVICES, ALL POWER SUPPLY CIRCUITS
MUST BE INTERRUPTED
• To clean the air conditioner, be sure to stop oper-
ation, 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 a scaffold or staging
Caution must be exercised because of work at a
high place.
8. MAINTENANCE
(FOR SERVICE PERSONNEL)
Fig. 2
Fig. 3
Fig. 4
Fig. 5
HOW TO CLEAN THE AIR FILTER
Clean the air filter when the display shows “
”
(TIME TO CLEAN AIR FILTER).
It will display that it will operate for a set amount of
time.
Increase the frequency of cleaning if the unit is
installed in a room where the air is extremely con-
taminated.
If the dirt becomes impossible to clean, change the
air filter (Air filter for exchange is optional).
1. Open the suction grille.
Slide both knobs simultaneously as shown and
then pull them downward.
(Do the same procedure for closing.)
(Refer to Fig. 2)
2. Remove the air filters.
Push the 2 tabs up, and slowly lower the grille.
(Refer to Fig. 3)
3. Clean the air filter.
Use vacuum cleaner A) or wash the air filter with
water B).
A)Using a vacuum cleaner
B)Washing with water
When the air filter is very dirty, use soft brush
and neutral detergent.
Remove water and dry in the shade.
NOTE
• Do not wash the air conditioner with hot water of
more than 50˚C, as doing so may result in discol-
oration and/or deformation.
• Do not expose it to fire, as doing so may result in
burning.
4. Fix the air filter.
Set the hatch of the air filter to the fook of the
suction grille, and fix the air filter.
(Refer to Fig. 5)
5. Close the suction grille.
Refer to item No. 1.
6. After turning on the power, press FILTER
SIGN RESET BUTTON.
The “TIME TO CLEAN AIR FILTER” display van-
ishes.
Summary of Contents for D-Series
Page 1: ...Si18 525B Applied Models Super Multi Plus Cooling only Super Multi Plus Heat Pump D Series ...
Page 33: ...List of Functions Si18 525B 20 List of Functions ...
Page 71: ...Specifications Si18 525B 58 Specifications ...
Page 117: ...Refrigerant Flow for Each Operation Mode Si18 525B 104 Refrigerant Circuit ...
Page 171: ...Indoor Unit SkyAir Models Si18 525B 158 Function ...
Page 207: ...Test Operation and Field Setting for RA Indoor Unit Si18 525B 194 Test Operation ...
Page 336: ...Si18 525B Service Check Function Troubleshooting 323 ...
Page 469: ...Wiring Diagrams Si18 525B 456 Appendix ...
Page 475: ...Si18 525B vi Index ...
