Bryant 598A Series D Installation And Start-Up Instructions Manual page 9

BRYANT TWO-STAGE
VARIABLE-SPEED
PROGRAMMABLE
THERMOSTAT FURNACE WITH ICM
MODEL 2S BLOWER MOTOR
COOL STAGE 1 Y1/W2
FAN G
HEAT STAGE 1 W/W1
COOL STAGE 2 Y/Y2
HEAT STAGE 2 O/W2
R
24 VAC HOT
24 VAC COMM C
N/A B
OUTDOOR
S1
SENSOR
CONNECTION S2
TWO-SPEED
AIR CONDITIONER
Y1 *
Y1
G
W/W1
Y/Y2 Y2
W2
R
R
C C
L
See notes 6, 7, 16, and 17
A97446
S
OTHER BRAND
TWO-SPEED
THERMOSTATS
24 VAC HOT
R
24 VAC COM
C
HEAT STAGE 1
W
COOL STAGE 2
Y2
FAN
G
COOL STAGE 1
Y1
Fig. 7—Typical 24-v Circuit Connections (Continued)
BRYANT
NON-PROGRAMMABLE
THERMOSTAT
MODEL 2S
24 VAC HOT
24 VAC COMM
HEAT STAGE 1
COOL STAGE 2
FAN
HEAT STAGE 2
COOL STAGE 1
N/A
OUTDOOR
SENSOR
CONNECTION
TWO-STAGE
VARIABLE-SPEED
FURNACE WITH ICM TWO-SPEED
BLOWER MOTOR AIR CONDITIONER
R
C
W/W1
Y/Y2
G
W2
*
Y1
See notes 7 and 17
U
—9—
TWO-STAGE
VARIABLE-SPEED
FURNACE WITH ICM
BLOWER MOTOR
R R
C
C
W/W1 W/W1
Y/Y2
Y/Y2
G G
O/W2 W2
*
Y1
Y1
B
S1
See notes 7, 9, 16, and 17
S2
T
R
C
Y2
Y1
L
A97456
TWO-SPEED
AIR CONDITIONER
R
C
Y2
Y1
L
A97451