Trane TVR Pro CO Series - Page 50

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Table 5-3.1: Compressor inverter module ports and components
Label in
Figure 5-3.1
Code
Content
Port voltage
1
CN6
Three phase power input of L1
Rated 220V AC of any two terminals
2
CN7
Three phase power input of L2
Rated 220V AC of any two terminals
3
CN11
Three phase power input of L3
Rated 220V AC of any two terminals
4
CN12
Three phase output of the inverter ,connected to the
compressor
5
CN13
Three phase output of the inverter ,connected to the
compressor
6
CN14
Three phase output of the inverter ,connected to the
compressor
7
IC17
DC-bus current sensor
/
8
CN8/CN9
Communication port to Main PCB
2.5-2.7V DC
9
S7
Address setting switch of the inverter module
/
10
CN15
Port to Snubber resistance
/
11
CN21
PIM Common terminal of the negative pole, connected to the
DC-bus
/
12
CN5
Output of the three phase rectifier, Positive pole, connected to
reactance
DC 310V to CN4 when 220V 3hp power
input
13
CN4
Output of the three phase rectifier, Negative pole
/
14
/
Power terminal for DC fan inverter module
DC 310V when 220V 3hp input
15
CN19
PIM Common terminal of the positive pole, connected to
reactance
DC 310V to CN21 when 220V 3hp power
input
16
/
LED1/LED2