Installation manual

9
English
Turn the breaker on 
Turning on the breaker closes the louvers. (This is a normal procedure.)•
To set the clock 
Press 1. .
” is displayed.
” and “ ” blinks.
“
“
Press 2. to set the current day of the week.
Press
3. .
“ ” blinks.
Press 4. to set the clock to the present time.
Holding down • or rapidly increases or decreases the time display.
Press 5. .
Always point the remote controller at the indoor unit when pressing the buttons when setting the •
indoor unit’s internal clock.
“ ” blinks.
NOTE
Tips for saving energy 
Be careful not to cool (heat) the room too much. •
Keeping the temperature setting at a moderate level helps save energy.
Cover windows with a blind or a curtain.
•
Blocking sunlight and air from outdoors increases the cooling (heating) effect.
Clogged air fi lters cause ineffi cient operation and waste energy. Clean them once in about every 2 weeks.
•
Please note 
The air conditioner always consumes 50-120btu/h (15-35W) of electricity even while it is not operating.•
If you are not going to use the air conditioner for a long period, for example in spring or autumn, turn the breaker off.•
Use the air conditioner in the following conditions.•
Mode Operating conditions If operation is continued out of this range
COOL
Outdoor temperature : 14-115°F (–10-46°C)
Indoor temperature : 64-90°F (18-32°C)
Indoor humidity : 80% max.
A safety device may work to stop the operation.
•
(In multi system, it may work to stop the operation of the outdoor unit only.)
Condensation may occur on the indoor unit and drip.
•
HEAT
Outdoor temperature : 5-64°F (–15-18°C)
Indoor temperature : 50-86°F (10-30°C)
A safety device may work to stop the operation.
•
DRY
Outdoor temperature : 14-115°F (–10-46°C)
Indoor temperature : 64-90°F (18-32°C)
Indoor humidity : 80% max.
A safety device may work to stop the operation.
•
Condensation may occur on the indoor unit and drip.•
Operation outside this humidity or temperature range may cause a safety device to disable the system.•
Recommended temperature setting
For cooling: 78-82°F (26-28°C)
For heating: 68-75°F (20-24°C)
01_EN_3P232717-3D.indd 901_EN_3P232717-3D.indd 9 10/6/2009 9:20:55 AM10/6/2009 9:20:55 AM