9
English
Operation conditions
Use this air conditioner under the following temperature range.
DBT  : Dry bulb temperature
WBT : Wet bulb temperature
Single split outdoor unit
CU-E7RKD, CU-E9RKD, CU-E12RKD,
CU-E15RKD, CU-E18RKD, CU-E24RKD, 
CU-E28RKD
Indoor Outdoor
DBT WBT DBT WBT
COOL 
Max. 32 23 43 26
Min. 16 11 10 -
HEAT 
Max. 30 - 24 18
Min. 16 - -10 -
°C (temperature)
Multi split outdoor unit
CU-2E15PBD, CU-2E18PBD, CU-4E27PBD, 
CU-5E34PBD, U-3E18JBE, U-4E23JBE 
Indoor Outdoor
DBT WBT DBT WBT
COOL 
Max. 32 23 46 26
Min. 16 11 -10 -
HEAT 
Max. 30 - 24 18
Min. 16 - -15 -16
°C (temperature)
To learn more...
Sunlight Sensor operation
Set
temperature
HEAT
COOL/DRY
+1 °C
-1 °C -1 °C
ECONAVI ; Detecting sunlight intensity, the unit adjust temperature to save energy.
Ambient condition
Mode
ECONAVI is activated, 
the unit maintains set 
temperature until a high 
sunlight intensity is detected. 
The sunlight sensor detects 
sunlight intensity during 
weather or day/night 
changes, and the unit adjusts 
temperature.
• In a room without window or with thick curtain, the sunlight sensor will judge as cloudy/night.
The human activity sensor will also scan for area of heat source and movement in a room.
Detection area
• Based on area activeness horizontal airfl ow direction will adjust either fi x 
at predetermined position or swing left/right periodically.
• The human activity sensor performance is infl uenced by indoor unit 
location, movement speed, temperature range, etc.
120º
7m
• The human activity sensor may: 
-  mistakenly detect an object with heat source & movement similar to human, such as pets, etc. 
-  mistakenly detect as non-heat source & movement if a human stays motionless for certain period of time.
• Do not place large objects near the sensor and keep away heating units or humidifi er from the sensor’s detection 
area. They may cause sensor malfunction.