Carrier 38YSA - Manual (Page 12)

R
G
W/W1
Y/Y2
O/W2
Y1/W2
C
B
24VAC HOT
FAN
HEAT STAGE 2
COOL/HEAT
STAGE 1
RVS COOLING
N/A
24VAC COMM.
RVS HEATING
L TROUBLE
S1 OUTDOOR
SENSOR
CONNECTION
S2
CORPORATE
THERMOSTAT
MODEL HP
INDOOR
CONTROL
BOARD
WITH 1 OUTDOOR THERMOSTAT
OUTDOOR
SPLICE
R
C
Y
G
O
W2D
W2T
W3
Y0 Y
W2
O
C
R
Y
W2
O
C
R
CUT
JW1
ODT
DEFROST
BOARD
A96538
R
G
W/W1
Y/Y2
O/W2
Y1/W2
C
B
24VAC HOT
FAN
HEAT
STAGE 2
COOL/HEAT
STAGE 1
RVS
COOLING
N/A
24VAC
COMM.
RVS
HEATING
L TROUBLE
S1
OUTDOOR
SENSOR
CONNEC-
TION S2
CORPORATE
THERMOSTAT
MODEL HP
INDOOR
CONTROL
BOARD
WITH SUPPLEMENTAL HEAT RELAY
AND WITH 1 OUTDOOR THERMOSTAT
OUTDOOR
SPLICE
DEFROST
BOARD
R
C
Y
G
O
W2D
W2T
W3
Y0 Y
W2
O
C
R
Y
W2
O
C
R
CUT JW1
ODT
SHR
SHR
A96539
R
C
W/W1
Y/Y2
G
O/W2
R
C
CORPORATE
NON-PROGRAMMABLE
THERMOSTAT
MODEL HP
FA, FB, FC,
FD, FF
FAN COIL
HEAT
PUMP
W2
R
E
Y
C
W2
Y1
B
L
S1
S2
O
W3
G
24 VAC HOT
24 VAC COM
HEAT STAGE 2
COOL/HEAT
STAGE 1
INDOOR FAN
RVS COOLING
NOT USED
NOT USED
TROUBLE
OPTIONAL
OUTDOOR
SENSOR
CONNECTION
A96540
R
G
W/W1
Y/Y2
Y1/W2
O/W2
R
G
CORPORATE
PROGRAMMABLE
THERMOSTAT
MODEL HP
FA, FB, FC,
FD, FF
FAN COIL
HEAT
PUMP
W2
R
E
Y
W2
C
B
L
S1
S2
O
C
C
W3
24 VAC HOT
INDOOR FAN
HEAT STAGE 2
COOL/HEAT
STAGE 1
RVS COOLING
NOT USED
24 VAC COM
NOT USED
TROUBLE
OPTIONAL
OUTDOOR
SENSOR
CONNECTION
A96541
Fig. 12—Typical Circuit Connections (continued)
Copyright 1997 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 38ysa2si
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 5a 5a
PC 101 Catalog No. 563-811 Printed in U.S.A. Form 38YSA-2SI Pg 12 4-97 Replaces: 38YSA-1SI