Trane 4TXK6512G1000AA Service Manual page 84

Connect and fix the power supply cable, indoor-outdoor connection cable as following:
Wired controller wiring instruction
Alert! Ensure do any of the operating during power off .
A . One Wired controller controls one indoor unit
Cassette
CN1
Wired
controller
C . Connection method for ONE wired controller with MULTIPLE indoor units
For wired controller connect with cassette
Step1:The wiring connection between 1 .wired controller-the master unit(directly connected to the wired controller),
2 .master unit-slave unit, 3 .slave unit-slave unit should be one to one match of all three lines .
The connection wiring is as following, and max . Quantity of the connected indoor units is16 .
Cassette 1
CN11 CN11-1 CN11
Wired
controller
( ) y
L N
Power supply:
1PH, 220-240V
~, 50/60Hz
For single phase power supply models:
4MXC6518G1000AA,4MXC6524G1000AA,
4MXC6536G1000AA, 4MXC6548G1000AA,
4MXC6560G1000AA
Power supply cable: H05RN-F 3G 4 .0mm
Indoor and outdoor connection cable: H05RN-F 4G
2
2.5mm
Cassette 2 Cassette N
CN11-1 CN11
y
Outdoor unit
terminal blocks
Indoor unit
terminal blocks
2
B . Double wired controllers control one indoor unit
Cassette
CN1
Wired
controller
6 7
Cassette 15
CN11-1 CN11
Wired
controller
Cassette 16
CN11-1 CN11 CN11-1