Trane Tracer MP581 Hardware Installation page 59

CNT-SVN01C-EN
Figure 29. Grounding on the main circuit board
2. At the next Tracer MP581 (or other Comm5 controller) on the link:
Connect the white wires to the first and third Comm5 screw ter-
•
minals as shown in Figure 30 on page 49.
Connect the black wires to the second and fourth Comm5 screw
•
terminals.
Splice together the bare shield wires and tape them.
•
3. At the last controller on the Comm5 link:
Connect the white wire to the first Comm5 screw terminal.
•
Connect the black wire to the second Comm5 screw terminal.
•
Cut back and tape the shield wire to prevent grounding.
•
Place a 100 Ω termination resistor across the Comm5 screw
•
terminals.
Figure 30. Connecting Comm5 wires at the Tracer MP581
Wiring Comm5 to the Tracer MP581
Shield wire
Splice shield wires
and tape back
49