Trane TVR Pro CO Series Service Manual page 52

4 Fan Module
4.1 Ports
Figure 5-4.1: Compressor inverter module ports
Table 5-4.1: Fan module PCB ports
Label in Port code
1 CN3
2 CN1/CN4
3 CN2
Notes:
1. This dial switch is used to set fan module A/B address. The fan module A/B location refers to the wiring diagram.
Content
Connect to fan motor
Communication port to main board
Program upgrade port
Dial switch on fan module Fan module address
0 for fan module A
1 for fan module B
51
Port voltage
/
0-5V DC (varying)
/