Si18-525B
Instruction
Operation Manual
285
• Do not place other heaters directly below the
indoor unit.
They may deform due to the heat.
• Never place objects near the air inlet and the air
outlet of the unit. It may cause deterioration in the
effect or stop in the operation.
• Turn off the main power supply switch when it is
not used for long periods of time. When the main
power switch is turned on, some watts of electric-
ity is being used even if the system is not operat-
ing. Turn off the main power supply switch for
saving energy. When reoperating, turn on the
main power supply switch 6hours before opera-
tion for smooth running (Refer to MAINTE-
NANCE).
• When the display shows “
” (TIME TO
CLEAN AIR FILTER), ask a qualified service per-
son to clean the filters (Refer to MAINTE-
NANCE).
ONLY A QUALIFIED SERVICE PERSON IS
ALLOWED TO PERFORM MAINTENANCE
IMPORTANT!
• BEFORE OBTAINING ACCESS TO TERMI-
NAL DEVICES, ALL POWER SUPPLY CIR-
CUITS 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.
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.
Push it downward slowly while pressing horizon-
tally the buttons provided on two spots.
(Follow the same procedure for closing).
Fig. 1
2. Detach the air filter
Pull the hook of the air filter out diagonally down-
ward, and remove the filter.
Fig. 2
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
(1) Hook the air filter to a protrusion on the suc-
tion grille.
(2) Push the lower part of the air filter onto the
protrusion at the lower part of the suction
grille, and fix the air filter there.
Fig. 3
8. MAINTENANCE
(FOR SERVICE PERSONNEL)
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 ...