83
A04018
Zoning Connection for Communicating Indoor
Unit with
2-Stage Communicating Outdoor Unit
NOTE:
Some outdoor units do not require “C” and “D” connections.
Please see outdoor unit Installation Instructions.
A
B
C
D
Zone Control
User Interface &
Smart Sensor(s)
Green
Yellow
White
Red
OAT
HUM
COM
24V
Humidifier
Connection
A
B
C
D
OAT
Sensor
(Optional)
A
B
C D
A
B
C D
Damper
Control
module
A
B
C D
Indoor
Unit
Communicating
AC or HP