Carrier FA4ANF Service Manual page 34

THIS COMPARTMENT MUST BE CLOSED EXCEPT FOR SERVICING
20KW 1PH SCHEMATIC DIAGRAM
FIELD POWER WIRING SEE RATING PLATE
FOR VOLTS & HERTZ
L3
L1 L1 L3 GND
CB2
CB1
INTERNAL PROTECTION MAY
BE EITHER FUSES OR CIRCUIT
BREAKERS
HTR4 BLK
LS4
YEL
YEL
HTR3 BLK
YEL
LS3
YEL
HTR2 BLK
LS2
HTR1 BLK
LS1
YEL
YEL
BLU BLK
YEL
7
9
11
7
9 11
RED
TRAN
BRN
BLK
YEL
208V 230V
Com
VIO
12
11
BLU
10
9
ORN
8
BLK
7
YEL
6
WHT
5
BLK
PLUG 3
4
5 4 3 2 1
3
GRN/YEL
2
1
GND
PLUG 1
PLUG 4
BLOWER MOTOR
ROTATION
DISCONNECT PER NEC
SEE NOTE #1
L4 L2
L4
L2
CB2 CB1
RELAY 3
BLK
4 2
RELAY 2
BLK
8
6
RELAY 2
BLK
4 2
RELAY 1
BLK
2
4
BLU
BLK
RELAY 1
22 VDC COIL
RED
R E C
VIO
ORN
3 2 6 1
3 2 6
PCB
SEC1 SEC2
AUX HEAT KW/CFM
KW
0-30
0-20 0-10 0-5
CFM
1075 1525 1350 1050
VIO
AC/HP SIZE
060 048 042 036
BLU
SYSTEM TYPE
AC HP-COMFORT HP-EFF
ORN
AC/HP CFM ADJUST
HI
NOM LO
BLK
ON/OFF DELAY
0 30
0
HI
90 90
0
WHT
CONTINUOUS FAN
LO MED HI YEL
YEL
1
PL1
HEATER / MOTOR
RECP 3
ICM
RECP 4
→ Fig. 26—FK4C, FV4A, and 40FKA Wiring Diagram
COM COMMON
F1 LOW VOLTAGE FUSE
ICM FAN MOTOR
FIELD POWER WIRING
FU LINE FUSE
GND EQUIPMENT GROUND
HVTB HIGH VOLTAGE TERM BLOCK
HTR HEATER
REC RECTIFIER
COOLING CONTROL ONLY
FIELD
POWER
RELAY 2
L1
WIRING
22 VDC COIL
YEL
T D R
9 11 7
208/240VAC
RELAY 3
9 11 7
22 VDC COIL
BRN
R E C
BRN
HTR1
GRY
PLUG 2
LS1
4
1 4
RECP 2
BRN
D
H
L4 L3
CB1
R
60A 60A
W
1
RELAY 1
F1
6 2
W
2
Y
8 4
1
1 0
Y/Y
REC
2
RELAY 2
G 6 2
O
8 4
1 0
C
TDR
RELAY 3
AUX1 HUM1
6 2
AUX 2 HUM2
8 4
24 VAC
1
0
REC
GRY
NOTES:
1. USE COPPER WIRE (75˚C MIN) ONLY BETWEEN DISCONNECT
SWITCH AND UNIT.
2. TO BE WIRED IN ACCORDANCE WITH NEC AND LOCAL CODES.
3. TRANSFORMER PRIMARY LEADS, BLUE 208V, RED 230V.
4. IF ANY OF THE ORIGINAL WIRE, AS SUPPLIED, MUST BE REPLACED, USE
THE SAME OR EQUIVALENT TYPE WIRE.
5. REPLACE LOW VOLTAGE FUSE WITH NO GREATER THAN 5 AMP FUSE.
GRY
6. DUAL CIRCUIT WIRING SHOWN.
7. USE 60 AMP CLASS K FUSES ONLY, FOR REPLACEMENT.
8. CONNECT R TO R, G TO G, ETC. SEE OUTDOOR INSTRUCTION FOR
DETAILS.
34
CAUTION:
NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING
150V TO GROUND
ATTENTION:
NE CONVIENT PAS AUX INSTALLATIONS DE PLUS
DE 150 V A LA TERRE
LEGEND
LS LIMIT SWITCH
MARKED TERMINAL
PLUG AND RECEPTACLE
PRINTED CIRCUIT BOARD
PCB
TRANSFORMER
TRAN
RECEPTACLE
RECP
CIRCUIT BREAKER
CB
RELAY
R
TIME DELAY RECTIFIER
TDR
FIELD POWER WIRING
SYSTEM TRANSFORMER: 40.0VA
FAN COIL/HEATER: 11.8VA
REMAINING VA AVAILABLE: 28.2VA
L2
BLK
6 1
3 2 4
24VAC
24VAC
6 1
3 2 4
COMPONENT ARRANGEMENT
HTR3
HTR2
LS 3 RED
LS2
& 4
24 V
R3
BRN
R2
R1
L4 FU4
L2 L1
FU2
L2
CB2
FU1
L1
60A 60A
L3 FU3
PCB
SEC1 SEC2
F1
PL1
HEATER / MOTOR
ICM
GND
324983-101 REV. A
PLUG 2
RECP 2
COM
208 V
230 V
D
H
R
W 1
W
2
Y
1
Y/Y
2
G
O
C
A99122E