Carrier FA4ANF Service Manual page 44

SEE NOTE #4
L 2
FIELD POWER SUPPLY
L 1
SEQ 1
BLK
3
SEQ
BLK
2
BLK
TB
3
BLK
FR
TB
2 BLK
BLK
SEQ BLK
3
TRANS
RED
NOTE #1
3
FR RED
I T
R RED
N H
D E
O R
VIO
W2
O M
R O
S
T
A
G
ORN
T
BRN
C
COMPONENT ARRANGEMENT
RED BRN
IFM
YEL
FC
BLK GRN
(OPTIONAL)
FL-2
HTR-2
LS 2
2 S 4 6
E
1 3 5
BLK
Q
BLK VIO
- LEGEND -
FIELD POWER WIRING
FIELD GROUND WIRING
FIELD CONTROL WIRING
FIELD SPLICE
JUNCTION
MARKED CONNECTION
UNMARKED CONNECTION
FC FAN CAPACITOR
FR FAN RELAY
HTR HEATER
IFM INDOOR FAN MOTOR
LS LIMIT SWITCH
QT QUAD TERMINAL
SEQ SEQUENCER
TB TERMINAL BLOCK
TRANS TRANSFORMER
Fig. 35—FD3A Typical Wiring Diagram
SCHEMATIC DIAGRAM
YEL
1 1
T
YEL
B
2 2
(OPTIONAL) HTR-2
FL-2
3 4
BLK
SEQ
(OPTIONAL) HTR-1
SEQ
FL-1
1 2 BLK
NOTE #2
RED
LO
IFM
2
FR
BLK
3 1
HI
BLU
TRANS
BRN BRN
24V
VIO
6
ORN
BRN
BLK
YEL
YEL
YEL
BRN RED
LS 1
TRANS
BLU
FL-1
BRN BLK
(OPTIONAL)
BRN RED
2
FR
3 1
(OPTIONAL)
FL FUSIBLE LINK
WIRE SLEEVE
44
YEL
YEL
LS-2
YEL
VIO
LS-1
YEL
FC
QT
BRN VIO
BLK
YEL
BLK
GRN
BRN 5 SEQ
SEQ
BRN BRN TRANS
5
BRN FR
SEQ
BRN 5
FR
SEE NOTE #4
2 2
T
FIELD POWER WIRING
B
1 1
EQUIP. GND.
DISCONNECT
N.E.C.
HTR-1
RED
FIELD
ORN
CONTROL
BRN
WIRING
VIO
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
LS-1
LS-2
1 TB
FC QT
1
TB
LS-2
TRANS
FC QT
PER
I T
N H
D E
R
O R
O M
G
R O
S
C
T
A
W2
T
A94376