Operation Characteristics - Carrier 42QHC009DS Service Manual

7. Operation Characteristics

Mode
Temperature
Room temperature
Outdoor temperature
CAUTION:
1. If the air conditioner is used beyond the above conditions, certain safety protection features
may come into operation and cause the unit to operate abnormally.
2. The room relative humidity should be less than 80%. If the air conditioner operates beyond this
figure, the surface of the air conditioner may attract condensation. Please set the vertical air flow
louver to its maximum angle (vertically to the floor), and set HIGH fan mode.
3. The optimum performance will be achieved during this operating temperature zone.
Cooling operation
18℃~32℃
-15℃~46℃
(For the models with low temperature cooling
system)
17
Heating
operation
0℃~27℃
-15℃~24℃