Operation Manual
12
■ Operating conditions
■ Recommended temperature setting
• For cooling: 26-28°C
• For heating: 20-24°C
■ 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 filters cause inefficient operation and waste energy. Clean them once in about every 2 weeks.
■ Notes on the operating conditions
• The air conditioner always consumes a small amount of electricity even while it is not operating.
Connecting outdoor unit RXS20/25: 1-15W
Other outdoor units: 15-20W
The outdoor unit consumes 40 to 55W of power at the time of compressor preheating.
• 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.
• Operation outside this humidity or temperature range may cause a safety device to disable the system.
■ To change the temperature setting
Press .
• The displayed items on the LCD will change whenever either one of the buttons is
pressed.
MODE Operating conditions If operation is continued out of this range
COOL
Outdoor temperature: 10-46°C
Indoor temperature: 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: –15-24°C
Indoor temperature: 10-30°C
• A safety device may work to stop the operation.
DRY
Outdoor temperature: 10-46°C
Indoor temperature: 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.
COOL operation HEAT operation AUTO operation DRY or FAN operation
18-32°C 10-30°C 18-30°C
The temperature setting is not
variable
Press to raise the temperature and press to lower the
temperature.