Carrier Systxccitn01a Manual

63
The consumer may follow the information provided on
www.MyInfinity.carrier.comto register their system. This must be done BEFORE
you attempt to access the system through www.HVACpartners.com.
If you or the consumer have problems, contact 1 --800 --CARRIER for support. 

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8. Appendix A -- Wiring Diagrams
A
B
C
D
A
B
C
D
User Interface
Green - Data A
Yellow - Data B
White - COM
Red - 24VAC
OAT
Optional Remote
Room Sensor
HUM
COM
24VHumidifier
ConnectionS2
S1
A
B
C
D
ABCD
Connections
Communicating
 AC or H P*
Green
Yellow
White
Red
OAT
Sensor
(Optional)
Variable-Speed
Furnace/ Fan Coil
*NOTE: Some outdoor units do not require the “C” and “D” connections. 
              See outdoor unit Installation Instructions.
A12353
Universal Four--Wire Connection 

65
A
B
C
D
A
B
C
D
C
Y
ABCD
Connection
User Interface
           1-Spd.
Non-Communicating
              AC
 
Green - Data A
Yellow - Data B
White - COM
Red - 24VAC
Optional Remote
Room Sensor
HUM
COM
24VHumidifier
Connection
   Y/Y2
S2
S1
OATOAT
Sensor
Variable-Speed
Furnace/Fan Coil
A12354
Connection Diagram for Furnace or FE Fan Coil with
1-- Stage Air Conditioning 

66
A
B
C
D
A
B
C
D
ABCD
Connection
User Interface
            1-Spd.
Non-communicating
               HP
Green - Data A
Yellow - Data B
White - COM
Red - 24VAC
Optional Remote
Room Sensor
HUM
CHumidifier
Connection
   Y
S2
S1
W2
 YO C
R
O R
W
OAT
OAT
Sensor
Variable-Speed
Fan Coil
G
A12355
Connection Diagram for FE Fan Coil with Non--communication
1--Stage Heat Pump 

67
A
B
C
D
Zone Control
User Interface &
Smart Sensor(s)
Green
Yellow
White
Red
OAT
HUM
COM
24VHumidifier
Connection
A
B
C
D  
OAT
Sensor
(Optional)
ABCDABCD
Damper
Control
module
ABCD
Indoor
UnitCommunicating
AC or HP
A04018
Zoning Connection for Communicating Indoor Unit with
2--Stage Communicating Outdoor Unit 

68
A
B
C
D
Zone Control
User Interface &
Smart Sensor(s)
Green
Yellow
White
Red
OAT
HUM
COM
24VHumidifier
Connection
OAT
Sensor
ABCDABCD
Damper
Control
module
ABCD
Indoor
Unit
C
Y
1-Stage AC. 
Y/Y2
A04019
Zoning Connection Diagram for Furnace or FE Fan Coil with
Non-- Communicating 1 -- Stage Air Conditioning 

69
A
B
C
D
Zone Control
User Interface &
Smart Sensor(s)
Green
Yellow
White
Red
ABCDABCD
Damper
Control
module
ABCD
Variable-Speed
Fan Coil
1-Spd. HPHUM
C
Y
W2
 YO C
ROR
W
OAT
OAT
Sensor
Humidifier
Connection
G
A07149
Zoning Connection diagram for FE Fan Coil with
Non-- communicating 1 -- Stage Heat Pump 

70
R
G
FE Fan Coil or 
Variable Speed Furnace
A07114
G Input Wiring for Blower Operation 

71
R
G
FE Fan Coil or 
Variable Speed Furnace
A07115
G Input Wiring for System Shutdown 

Infinity and HYBRIDHEAT are trademarks or registered trademarks of Carrier
Corporation in the United States and other countries. Other brands and product
names are trademarks of their respective holders.
Copyright 2012 Carrier Corp.S7310 W. Morris St.SIndianapolis, IN 46231
Edition Date: 07/12 997-011280-3-R
Manufacturer reserves the right to change, at any time, specifications
and designs without notice and without obligations.Replaces: SYSTXCCITW --- 02SI
Catalog No: SYSTXCCITW --- 03SI