®

Wire the UCMs

Figure 20. Comm5 daisy-chain repeater connection

Comm5 device

Comm5 device

B

A

B

A

B

A

B

A

Tracker

 

 

 

 

 

 

 

 

termination boardTB1

 

 

 

 

 

 

 

1

13

COMM

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

Splice

3

 

Splice

 

3

 

 

 

 

 

 

 

 

 

 

Link repeater

 

 

 

 

 

 

 

 

1

24 VAC

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

3

Comm

 

 

 

 

 

 

 

1

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

1

7

Comm

 

 

 

 

 

 

 

 

 

(Last device on the link)

 

 

 

 

 

8

 

Comm5 device

 

 

Comm5 device

 

 

9

 

 

 

 

 

 

 

B

A

B

A

B

A

B

A

 

 

 

1

 

 

 

 

 

 

 

 

 

 

2

 

 

Splice

 

3

 

 

 

 

 

 

 

 

 

 

Legend

 

 

 

 

 

 

 

 

 

=

Twisted pair, shielded wire

 

=

Shield termination

 

 

per Trane specifications

 

 

 

 

 

 

 

 

 

 

=

Shield ground

=

Figure note

Figure Notes:

1

105 termination resistor

 

 

 

 

 

=

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.

BMTK-SVN01D-EN

39

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Image 47
Trane Building Automation System, BMTK-SVN01D-EN manual Comm5 daisy-chain repeater connection