Carrier Non-Programmable Thermostats - Single-Speed Air Conditioner with Variable-Speed (FK4 C, FV4 A, 40 FKA) Fan Coil; Two-Speed Air Conditioner with Variable- Speed (FK4 C, FV4 A, 40 FKA) Fan Coil

→ Fig. 16—Two-Speed Air Conditioner with Variable-
Speed (FK4C, FV4A, 40FKA) Fan Coil
A98465
24 VOLT HOT


24 VOLT COMM


FAN


COOL STAGE 2


HEAT STAGE 1
R
Y/Y2
R
Y2
C
C
C
R
L
Y1
MODEL 2S
THERMOSTAT
EASY SELECT
TERMINAL BOARD
TWO-SPEED
AIR CONDITIONER
J1 JUMPER
REMOVE
J2 JUMPER
FOR HEAT
STAGING
See notes 2, 4, 8, and 11
G
G
Y/Y2
DH
W/W1 W1
HEAT STAGE 2


COOL STAGE 1

Y1
O/W2
Y1
O
W2
B
S1
S2
N/A

OUTDOOR

SENSOR

CONNECTION
→ Fig. 14—Single-Speed Air Conditioner with
Variable-Speed (FK4C, FV4A, 40FKA) Fan Coil
A98463
R
Y/Y2
R
Y
W/W1
W1
C
MODEL AC
THERMOSTAT
EASY SELECT
TERMINAL BOARD
SINGLE-SPEED
AIR CONDITIONER
J1 JUMPER
J2 JUMPER
See note 11
W2
Y/Y2
DH
G G
Y1
O
C
HEAT STAGE 1
24 VAC HOT
C
COOL STAGE 1
FAN
24 VAC COMM
→ Fig. 17—Single-Speed Heat Pump with
Variable-Speed (FK4C, FV4A, 40FKA) Fan Coil
A98466
24 VAC HOT


24 VAC COMM


FAN


COOL/HEAT
STAGE 1

HEAT STAGE 2
R
Y/Y2
R
C
C
C
R
MODEL HP
THERMOSTAT
EASY SELECT
TERMINAL BOARD
SINGLE-SPEED
HEAT PUMP
J1 JUMPER
J2 JUMPER
See notes 7, 8, and 11
G
G
Y/Y2
DH
W/W1 W1
N/A


RVS COOLING


N/A


OUTDOOR

SENSOR

CONNECTION
Y1
B
S1
S2
O/W2
Y1
O
W2 W2
Y
O
→ Fig. 15—Single-Speed Air Conditioner with
Variable-Speed (FK4C, FV4A, 40FKA) Fan Coil
A98464
24 VAC HOT


HEAT STAGE 1


24 VAC COMM


COOL STAGE 1


FAN
R
G
W/W1
Y/Y2
R
Y
C
C
C
MODEL HP
THERMOSTAT

EASY SELECT
TERMINAL BOARD
SINGLE-SPEED
AIR CONDITIONER
J1 JUMPER
REMOVE
J2 JUMPER
FOR HEAT
STAGING
See notes 2, 4, and 11
G
W1
Y/Y2
DH
HEAT STAGE 2


N/A


N/A


OUTDOOR

SENSOR

CONNECTION
Y1
B
S1
S2
O/W2
Y1
O
W2
8