Trane Building Automation System Thermostat User Manual


 
Wire the UCMs
BMTK-SVN01D-EN 39
®
Figure 20. Comm5 daisy-chain repeater connection
Comm5 device
AABB
Comm5 device
AABB
Link repeater
Comm
24 VAC
Comm
COMM
13
14
15
Comm5 device
AAAABBBB
Comm5 device
Splice
SpliceSplice
2
1
1
1
1
3
33
Tracker
termination boardTB1
Legend
Twisted pair, shielded wire
perTrane specifications
Shield termination
Shield ground
=
=
=
Figure note
=
Termination resistor
=
(Last device on the link)
2
3
1
4
5
6
7
8
9
Figure Notes:
1105
termination resistor
2 Shield must be cut back and taped
3 A continuous shield is required. At each
controller, splice shield wire and tape back to
prevent grounding.