Achieving Optimal Performance; Inverter Split Type; Fixed-Speed Type - CH -12MSPHWM-230VI User Manual

Achieving Optimal Performance

Optimal performance for the COOL, HEAT, and DRY modes can be achieved in the following
temperature ranges. When your air conditioner is used outside of these ranges, certain safety
protection features will activate and cause the unit to perform less than optimally.

Inverter Split Type

Room Temperature
Outdoor
Temperature

Fixed-Speed Type

Room
Temperature
Outdoor
(For models with low-temp cooling systems)
Temperature
(For special tropical models)
To further optimize the performance of your unit, do the following:
• Keep doors and windows closed.
• Limit energy usage by using the TIMER ON and TIMER OFF functions.
• Do not block air inlets or outlets.
• Regularly inspect and clean the air lters.
 Page 7 
COOL mode HEAT mode
63°F - 90°F 32°F - 86°F
(17°C - 32°C) (0°C - 30°C)
32°F - 122°F
(0°C - 50°C)
5°F - 86°F
5°F - 122°F
(-15°C - 30°C)
(-15°C - 50°C)
(For models with
low temp. cooling
systems)
COOL mode
63°-90°F (17°-32°C)
64°-109°F (18°-43°C)
19°-109°F (-7°-43°C)
64°-126°F (18°-52°C)
DRY mode
50°F - 90°F
(10°C - 32°C)
32°F - 122°F
(0°C - 50°C)
HEAT mode
32°-86°F (O°-30°C)
19°-75°F (-7°-24°C)
FOR UNITS WITH
AUXILARY ELECTRIC
HEATER
When the outside
temperature is below 0°C
( ), we strongly
32°F
recommend keeping the
unit plugged in at all
times to ensure smooth
ongoing performance.
DRY mode
50°-90°F (10°-32°C)
52°-109°F (11°-43°C)
64°-109°F (18°-43°C)
64°-126°F (18°-52°C)
(For special tropical models)