Home HME030356N - Operating Temperature Ranges

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OPERATING TEMPERATURE
If your air conditioner is used beyond the temperature ranges found on the table below, certain safety
protection features may be activated and could cause the unit to stop working.
Inverter Split Type
COOL MODE HEAT MODE
DRY MODE
Room
Temperature
62°F–90°F
(17°C–32°C)
32°F–86°F
(0°C–30°C)
50°F–90°F
(10°C–32°C)
Outdoor
Temperature
32°F–122°F
(0°C–50°C)
5°F–86°F
(-15°C–30°C)
32°F–122°F
(0°C–50°C)
5°F–122°F
(-15°C–50°C)
(For models with low- temp
cooling systems.)
FOR OUTDOOR UNITS WITH AUXILIARY ELECTRIC HEATER
When outdoor temperature is below 0°C (32°F), keep the unit plugged in at all times to ensure smooth,
ongoing performance.
Fixed-speed Type
COOL MODE HEAT MODE
DRY MODE
Room
Temperature
62°F–90°F (17°C–32°C)
32°F–86°F
(0°C–30°C)
50°F–90°F (10°C–32°C)
Outdoor
Temperature
64°F–109°F (18°C–43°C)
19°F–75°F
(-7°C–24°C)
52°F–109°F (11°C–43°C)
19°F–109°F (-7°C–43°C)
(For models with low-temp
cooling systems)
64°F–109°F (18°C–43°C)
Note: Room relative humidity should be less than 80%. If the air conditioner operates in higher humidity,
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For your unit to have optimized performance, follow the rules stated below:
• Keep doors and windows closed.
• Save power by using the TIMER ON and TIMER OFF functions.
• Do not block air inlets or outlets.
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Operating Instructions