BAS-SVX084A-EN 21
Wiring Installation
Wiring Best Practices
To ensure proper network communication, follow the recommended wiring best practices below
when installing communication wire:
• All wiring must comply with the National Electrical Code™ (NEC) and local codes.
• Ensure that 24 Vac power supplies are consistent in regards to grounding. Avoid sharing 24 Vac
between controllers.
• Avoid over tightening cable ties and other forms of cable wraps. This can damage the wires
inside the cable.
• Do not run communication cable alongside or in the same conduit as 24 Vac power. This
includes the conductors running from TRIAC-type inputs.e
• In open plenums, avoid running wire near lighting ballasts, especially thos using 277 Vac.
• Use Trane purple communication wire without terminators, for the zone sensor communication
stubs from Symbio 210 controller IMC terminals to the zone sensor communication module.
• Zone sensor communication wiring length limit of 328 feet (100 meters).
Setting the Symbio 210 Controller on a Daisy Chain BACnet/IP Link
Observe the following when setting up the Symbio 210 controller on a daisy chain BACnet/IP link:
• Use CAT5 or CAT5e non-shielded twisted pair, Ethernet cable with RJ45 connectors for BACnet/
IP installations.
• Cable length limit is 100 meters (328 feet)
• Connect the Ethernet cable coming into the Symbio 210 controller RJ45 jack marked #1.
Connect an Ethernet cable going to the next controller in the daisy chain to the RJ45 jack marked
#2. See Figure 8, p. 22
Setting the Symbio 210 Controller on a Home Run BACnet/IP Link
Observe the following when setting up the Symbio 210 controller on a home run BACnet/IP link.:
• Use CAT5 or CAT5e non-shielded twisted pair, Ethernet cable with RJ45 connectors for BACnet/
IP installations.
• Cable length limit is 100 meters (328 feet).
• Connect the Ethernet cable from the Symbio 210 controller RJ45 jack marked #1 back to the
switch port dedicated for this controller. See Figure 8, p. 22.
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