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CHAPTER 4. OPERATION
15
10
5
0
0
The compressor will follow frequency signal sent to the inverter according to the
relation described on the following table and illustrated on the graph below.
Input Frequency
Signal [Hz]
0 to 50
50 to 60
60 to 66
66 to 150
>150
4,500
4,000
3,500
3,000
2,500
2,000
1,500
1,000
500
0
0
The Figure 4.1 shows the electrical connections to perform frequency conmmu-
nication between an electronic thermostat and Fullmotion CF10C Inverter Control
connector. For Frequency Control Mode, the input resistance is 1.2 k .
Signal control shape
2
4
6
8
VNE compres-
sor speed [RPM]
Compressor speed versus Frequency signal
50Hz
2,000RPM
2,000RPM
50Hz
1,800RPM
20
40
10
12
14
16
Time [ms]
0
2000
2000
30 x Hz
4500
4,500RPM
66Hz
60Hz
1,800RPM
60
80
100
Frequency [Hz]
Duty-cycle: 50%
18
20
22
VEG and FMF com-
pressor speed [RPM]
0
1800
30 x Hz
30 x Hz
4500
150Hz
120
140
160
30
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