Carrier FV4ANB - Page 44

Fig. 35—FD3A Typical Wiring Diagram
A94376
FIELD POWER WIRING
FIELD GROUND WIRING
FIELD CONTROL WIRING
FIELD SPLICE
JUNCTION
MARKED CONNECTION
UNMARKED CONNECTION
FAN CAPACITOR
FAN RELAY
HEATER
INDOOR FAN MOTOR
LIMIT SWITCH
QUAD TERMINAL
SEQUENCER
TERMINAL BLOCK
TRANSFORMER
WIRE SLEEVE
FUSIBLE LINK
(OPTIONAL)
- LEGEND -
FL
YEL
YEL
YEL
YEL
YEL
YEL
BLK
BLK
BLK
BLK BLK
BLK
BLK
BLK
BLK
BLU
BLK
BLK
BLK
RED
RED
RED
RED
RED
RED
RED RED
BLU
BRN
BRN
BRN
BRN
YEL
YEL
YEL
GRNBLK
BLK
BLK
BLK
BLK
YEL
VIO
VIO
VIO
VIOVIO
BRN
BRN
BRN
ORN
ORN
BRN
BRN
BRN BRN
BRN
BRN
VIO
ORN
BRN
YEL
GRN
BRN
SCHEMATIC DIAGRAM
COMPONENT ARRANGEMENT







FC
FR
HTR
IFM
LS
QT
SEQ
TB
TRANS
NOTES:
1. TRANSFORMER PIGTAILS:
BLUE 208V; RED 230V; INSULATE
UNUSED LEAD.
2. FAN MOTOR PIGTAILS: RED LOW;
BLACK HIGH, INSULATE UNUSED
LEAD.
3. FAN MOTOR THERMALLY
PROTECTED.
4. SUITABLE FOR USE WITH COPPER
OR COPPER CLAD ALUMINUM
CONDUCTORS RATED FOR 75°C
MINIMUM. FOR COPPER USE 6
AWG. FOR COPPER CLAD
ALUMINUM USE 4 AWG.
40DQ500784 REV. C
SEE NOTE #4
FIELD POWER SUPPLY
SEQ
SEQ
SEQ
SEQ
TB
FR
TB
L
2
L
1
1
1
3
234
1
1
5
5
56
FR
HTR-2
LS-2
LS-1
LS-1
LS-2
LS-2
SEQ
TRANS
FR
SEQ
QT
FC
IFM
LO
HI
TRANS
TRANS
FC
QT
FC
QT
TB
TB
HTR-1
FL-2
3
212
33
2
FR
24V
SEQ
SEE NOTE #4
EQUIP. GND.
FIELD POWER WIRING
DISCONNECT
PER
N.E.C.
IFM
FC
1
3
R
FR
SEQ
TRANS
I
N
D
O
O
R

W2
G
C
T
B
T
B
2
1
2
2
1
2
R
2
2S
E
Q
1
4
3
6
5
31
G
C
W2
1
(OPTIONAL)
FL-1
(OPTIONAL)
FL-1
LS
1
HTR-1
LS
2
HTR-2
TRANS
FR
(OPTIONAL)
FL-2
(OPTIONAL)
T
H
E
R
M
O
S
T
A
T
I
N
D
O
O
R

T
H
E
R
M
O
S
T
A
T
NOTE #2
NOTE #1
FIELD
CONTROL
WIRING
44