Wiring the Carrier® Connect™ Wi-Fi Thermostat   
 
 
 
 
33CONNECTSTAT43    ©2022 Carrier. 
Installation Guide    All rights reserved. 
  8 
 
9 sensors 
 
 
 
To wire for BACnet communication 
NOTE  Use the specified type of wire and cable for maximum signal integrity. 
22 or 24 AWG, low-capacitance, twisted, stranded, shielded copper wire 
2000 feet (610 meters) per segment 
9600 bps, 19.2 kbps, 38.4 kpbs, or 76.8 kbps, 115.2 kbps 
 
   
Connect communication wiring to terminals A+ and B-. Do not terminate shield at the thermostat.  
 CAUTION  Maintain the same polarity. 
 
NOTE For more networking details, see the Open Controller Network Wiring Installation Guide.