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→ Fig. 19—Single-Speed Packaged Air Conditioner
with Single-Stage Gas Furnace (48SS, SX)
A98502
24 VAC HOT
FAN
HEAT STAGE 1
COOL STAGE 1
N/A
N/A
R
G
W/W1
Y/Y2
Y1/W2
O/W2
B
S1
S2
MODEL AC
THERMOSTAT
RED
GRN
WHT
YEL
BRN
See notes 1 and 11
C
24 VAC COMM
N/A
SPLICE
BOX
SUGGESTED DIP
SWITCH SETTINGS
ON
ABCD
OUTDOOR
SENSOR
CONNECTION
→ Fig. 17—Two-Speed Air Conditioner
with Variable-Speed Fan Coil
(FK, FV, 40FKA)—Model 2S Thermostat
A98500
24 VAC HOT
FAN
COOL STAGE 1
COOL STAGE 2
HEAT STAGE 1
HEAT STAGE 2
R
G
R
G
24 VAC COMM
N/A
OUTDOOR
SENSOR
CONNECTION
C
B
S1
S2
C C
R
MODEL 2S
THERMOSTAT EASY SELECT
TERMINAL BOARD
J1
JUMPER
REMOVE
J2 JUMPER
FOR HEAT
STAGING
TWO-SPEED
AIR CONDITIONER
See notes 2 and 8
DH
Y1
Y1
W/W1
O/W2
Y1/W2
W1
Y/Y2
Y2Y/Y2
O
W2
SUGGESTED DIP
SWITCH SETTINGS
ON
ABCD
OFF OFF ON OFF
→ Fig. 20—Single-Speed Packaged Air Conditioner
with Single-Stage Electric Heat (50SS, SX, ZP)
A98503
N/A
FAN
HEAT STAGE 1
COOL STAGE 1
N/A
24 VAC HOT
R
G
W/W1
Y/Y2
O/W2
B
S1
S2
MODEL AC
THERMOSTAT
SPLICE
BOX
GRN
WHT
BRN
WHT
BRN
See notes 1, 11, and 12
C
Y1/W2
24 VAC COMM
N/A
OUTDOOR
SENSOR
CONNECTION
HEATER
CONTROL BOX
RED
YEL
SUGGESTED DIP
SWITCH SETTINGS
ON
ABCD
OFF OFF OFF OFF
→ Fig. 18—Two-Speed Heat Pump
with Variable-Speed Fan Coil
(FK, FV, 40FKA)—Model 2S Thermostat
A98501
24 VAC HOT
FAN
COOL/HEAT
STAGE 1
RVS COOLING
COOL/HEAT
STAGE 2
HEAT STAGE 3
R
R
24 VAC COMM
N/A
OUTDOOR
SENSOR
CONNECTION
C
B
S1
S2
C
G G
C
W2
W3
O
Y1
R
MODEL 2S
THERMOSTAT EASY SELECT
TERMINAL BLOCK
J1 JUMPER
J2 JUMPER
TWO-SPEED
HEAT PUMP
See notes 3, 8, 9, and 11
DH
Y1
O
Y1/W2
Y/Y2 Y2Y/Y2
O/W2
W/W1 W1
W2
SUGGESTED DIP
SWITCH SETTINGS
ON
ABCD
OFF OFF OFF OFF
11