OPERATION CONDITION
Use this air conditioner under the following temperature range
Single Split Outdoor Unit (CU-E7NKE, CU-E9NKE, CU-E12NKE, CU-E15NKE, CU-E18NKE, CU-E21NKE)
Temperature (°C)
Indoor Outdoor
*DBT *WBT *DBT *WBT
COOLING
Max. 32 23 43 26
Min. 16 11 5 4
HEATING
Max. 30 - 24 18
Min. 16 - -5 -6
NOTICE: • This model is not suitable for 24 hours non-stopping operation in heating mode below -5°C.
When the outdoor temperature is below -5°C and you use this model out of above conditions, the outdoor unit might be
frozen up and stop operation for protection control.
Multi Split Outdoor Unit (CU-2E15LBE, CU-2E18LBE, CU-3E18LBE, CU-4E23LBE, CU-4E27CBPG)
Temperature (°C)
Indoor
Outdoor Outdoor
CU-2E15LBE, CU-2E18LBE,
CU-4E27CBPG
CU-3E18LBE, CU-4E23LBE
*DBT *WBT *DBT *WBT *DBT *WBT
COOLING
Max. 32 23 43 26 46 26
Min. 16 11 16 11 -10 -
HEATING
Max. 30 - 24 18 24 18
Min. 16 - -10 -11 -15 -16
* DBT: Dry bulb temperature
* WBT: Wet bulb temperature
Single Split Outdoor Unit (CU-E7NKE-3, CU-E9NKE-3, CU-E12NKE-3)
Temperature (°C)
Indoor Outdoor
*DBT *WBT *DBT *WBT
COOLING
Max. 32 23 43 26
Min. 16 11 5 4
HEATING
Max. 30 - 24 18
Min. 16 - -15 -16
NOTICE: • This model is not suitable for 24 hours non-stopping operation in heating mode below -15°C.
When the outdoor temperature is below -15°C and you use this model out of above conditions, the outdoor unit might be
frozen up and stop operation for protection control at -18°C.
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