Trane 4TXK6512G1000AA, Service Manual

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Note:
1) Shielded lays of the communication line should be connected as a daisy chain from the first master unit to the
last slave unit .
2) The shielding lay of the communication line must be grounded at the end of the last slave unit .
Step2 Setting the dip switch BM3, and the indoorunit should be set according to the following table:
Wired controller address BM3-8 BM3-7 BM3-6 BM3-5
Master indoor unit 0 0 0 0
Slave unit 1
0 0 0 1
Slave unit 2 0 0 1 0
Slave unit 3 0 0 1 1
Slave unit 4
0 1 0 0
Slave unit 5 0 1 0 1
Slave unit 6 0 1 1 0
Slave unit 7 0 1 1 1
Slave unit 8 1 0 0 0
Slave unit 9 1 0 0 1
Slave unit 10 1 0 1 0
Slave unit 11 1 0 1 1
Slave unit 12
1 1 0 0
Slave unit 13 1 1 0 1
Slave unit 14 1 1 1 0
Slave unit 15 1 1 1 1
“1” stands for ON,” 0” stands for OFF .
Note:
The above step 1, step 2, and step 3 must be operated in power off status .
The power supply terminals L1 L2 of all the outdoor units must be in the same phase sequence .
1.Installation
(1) Confirming the position of unit hanger
Please confirm the installation position of the hanger for indoor unit is about 130mm above the ceiling . For details,
please refer to the Instructions for Installation and Maintenance of indoor unit .
(2) Removing the air-inlet grille
Open the air-inlet grille to make it at an angle of 45 i a to the trim panel . As shown in the following figure, please
remove the air-inlet grille as per the operation requirements .
6 8
BM3