®
Wire the UCMs
Figure 17. Daisy-chain termination resistor placement
Tracker
termination board TB1
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| Twisted pair, shielded wire | = | Shield termination | 2 | ||||||
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| per Trane specifications | = |
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= | Shield ground |
| Figure note |
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= | Termination resistor |
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(Last device on the link) |
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Comm5 device |
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| Comm5 device |
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| B | A | B | A |
| B | A | B | A | 11 |
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| 3 | 15 |
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COMM
Figure Notes:
1105 Ω termination resistor
2Shield must be cut back and taped at last unit controller.
3A continuous shield is required. At each unit controller, splice shield wire and tape back to prevent grounding.
| 35 |