Fan Coil - Carrier A94134 Installation, Start-Up, And Operating Instructions Manual

SINGLE-STAGE
MODEL 2S
THERMOSTAT
24 VAC HOT
R
24 VAC COMM
C
HEAT STAGE 1 W/W1
COOL STAGE 2
Y/Y2
FAN
G
N/A
O/W2
COOL STAGE 1
Y1
N/A
B
TROUBLE OR
L
CLEAN FILTER
S1
OUTDOOR
SENSOR
S2
CONNECTION
Fig. 8—Two-Speed Air Conditioner with Single-
Stage Furnace
TWO-STAGE OR
MODEL 2S VARIABLE-SPEED
THERMOSTAT
24 VAC HOT
R
24 VAC COMM
C
HEAT STAGE 1 W/W1
COOL STAGE 2
Y/Y2
FAN
G
HEAT STAGE 2
O/W2
COOL STAGE 1
Y1
N/A B
TROUBLE OR
L
CLEAN FILTER
OUTDOOR S1
SENSOR
S2
CONNECTION
Fig. 9—Two-Speed Air Conditioner with 2-Stage or
Variable-Speed Furnace
TWO-SPEED
FURNACE
AIR CONDITIONER
R R
C
C
W
Y
Y2
G
Y1
L
See notes 2, 4, and 8
A94282
TWO-SPEED
FURNACE AIR CONDITIONER
R
R
C
C
W/W1
Y2
Y/Y2
G
W2
Y1
L
See notes 2, 3, 4, and 8
A94283
MODEL 2S
THERMOSTAT
24 VAC HOT
R
24 VAC COMM
C
HEAT STAGE 1 W/W1
COOL STAGE 2
Y/Y2
FAN
G
HEAT STAGE 2
O/W2
COOL STAGE 1
Y1
N/A
B
TROUBLE OR
L
CLEAN FILTER
S1
OUTDOOR
SENSOR
S2
CONNECTION
Fig. 10—Two-Speed Air Conditioner with Typical
MODEL 2S
THERMOSTAT
24 VAC HOT
R
24 VAC COMM.
C
HEAT STAGE 3 W/W1
COOL/HEAT
Y/Y2
STAGE 2
FAN
G
RVS COOLING
O/W2
COOL/HEAT
Y1
STAGE 1
B
RVS HEATING
TROUBLE OR
L
CLEAN FILTER
S1
OUTDOOR
SENSOR
S2
CONNECTION
Fig. 11—Two-Speed Heat Pump with Single-Stage
6
TYPICAL TWO-SPEED

FAN COIL

AIR CONDITIONER
R
C
W2
*
Y/Y2
G
*
O
W3
*
Y1
E
*
L
See notes 2, 3, 4, 5, and 8
Fan Coil
SINGLE-STAGE TWO-SPEED
FURNACE
HEAT PUMP
R
C
W2
W
Y
Y2
G
W3
Y1
See notes 4, 6, 7, and 8
Furnace
R
C
Y2
Y1
L
A94284
R
C
O
L
A94285