Cooling Operation - Fujitsu AUXG45LRLB Service Instruction

1-1. COOLING OPERATION

1-1-1 COOLING CAPACITY CONTROL
A sensor (room temperature thermistor) built in the indoor unit will usually perceive
difference or variation between a set temperature and present room temperature, and
controls the operation frequency of the compressor.
* If the room temperature is 6.0°C higher than a set temperature,
the compressor operation frequency will attain to maximum performance.
* If the room temperature is 1.0 °C lower than a set temperature, the compressor
will be stopped.
* When the room temperature is between +6.0°C to -1.0°C of the setting temperature,
the compressor frequency is controlled within the range shown in Table1.
However, the maximum frequency is limited in the range shown in Fig.1 based on the
fan speed mode and the outdoor temperature.
( Table 1 : Compressor Frequency Range )
30,36LBTA
45LBTA
54LBTA
( Fig. 1 : Limit of Maximum Frequency based on Outdoor Temperature )
Outdoor air
temperature
34°C
30°C
19°C
10°C
0°C
When the room
temperature drops
minimum maximum
frequency frequency
16rps 90rps
16rps 100rps
16rps 110rps
When the room
temperature rises
A zone
36°C
B zone
32°C
C zone
21°C
D zone
12°C
E zone
2°C
F zone
Fan speed mode
A zone
B zone
30,36LBTA
C zone
D-F zone
A zone
B zone
45LBTA
C zone
D-F zone
A zone
B zone
54LBTA
C zone
D-F zone
01-01
Hi Me Lo
72rps 59rps 50rps
72rps 59rps 50rps
65rps 50rps 44rps
50rps 44rps 39rps
93rps 75rps 68rps
93rps 75rps 68rps
68rps 56rps
78rps
73rps 56rps 47rps
100rps 78rps 73rps
100rps 78rps 73rps
85rps 73rps 62rps
76rps 62rps 50rps
Qu
39rps
39rps
39rps
35rps
44rps
44rps
44rps
29rps
44rps
44rps
44rps
29rps