CHAPTER 4. OPERATION
30
0
2
4
6
8
10
12
14
16
18
20
22
0
5
10
15
Time [ms]
Amplitude
[V]
Signal control shape
Duty-cycle: 50%
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]
VNE compres-
sor speed [RPM]
VEG and FMF com-
pressor speed [RPM]
0 to 50
0
0
50 to 60
2000
1800
60 to 66
2000
30 x Hz
66 to 150
30 x Hz
30 x Hz
>150
4500
4500
0
20
40
60
80
100
120
140
160
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
66Hz
2,000RPM
50Hz
2,000RPM
50Hz
1,800RPM
150Hz
4,500RPM
60Hz
1,800RPM
Frequency [Hz]
Speed
[RPM]
Compressor speed versus Frequency signal
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
Ω
.
