Fujitsu AOUH09LMAH1 - 1-2. Heating operation

1-2. Heating operation
A sensor (room temperature thermistor) built in indoor unit body will usually perceive difference or
variation between setting temperature and present room temperature, and controls operation rota-
tion number of compressor.
• If the room temperature is 11°F (6.0°C) lower than a set temperature, the operation rotation num-
ber of compressor will attain to maximum performance.
• If the room temperature is 2°F (1.0°C) higher than a set temperature, the compressor will be
stopped.
• When the room temperature is within the range of +2°F (1.0°C) to -11°F (6.0°C) of the setting tem-
perature, the rotation number of compressor is controlled within the range shown below.
• Rotation number range of compressor
Unit: rps
Model name Minimum rotation number Maximum rotation number
ASUH09LMAS
ASUH12LMAS
12 110
• Limit of maximum speed based on outdoor temperature
In heating operation, maximum rotation number is defined by outdoor temperature and fan mode.
A zone
B zone
C zone
Outdoor
temperature rises
Outdoor
temperature drops
57.2°F
(14°C)
66.2°F
(19°C)
53.6°F
(12°C)
62.6°F
(17°C)
Unit: rps
Model name
Outdoor
temperature zone
Indoor unit fan mode
HIGH MED LOW QUIET
ASUH09LMAS
ASUH12LMAS
A zone 110 89 77 67
B zone 110 89 77 67
C zone 110 89 77 36
1-2. Heating operation - (04-2) - 1. Rotation number control of compressor
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS