Carrier FA4ANF Service Manual page 41

SCHEMATIC DIAGRAM FOR 2, 3, & 5 KW HEATERS
BLK
SEE RATING PLATE
FOR VOLTS & HZ
BLK
DISCONNECT
L1 BLK
FIELD
POWER
SUPPLY
L2
RED BLU
CHASSIS
GROUND
TRANS
RED
R
VIO 6 SEQ 5
W
FR
ORN BRN
G
CHASSIS
BRN
C GROUND
R
G
OPTIONAL IFR/TDR
SCHEMATIC DIAGRAM FOR 7.5 & 11 KW HEATERS
BLK
SEE RATING PLATE
FOR VOLTS & HZ
BLK
DISCONNECT
L1 BLK
FIELD
POWER
BLK
SUPPLY
L2
CHASSIS
GROUND
RED BLU
TRANS
RED
R
6 SEQ 5
VIO
W
ORN FR BRN
G
CHASSIS
BRN
C GROUND
R
G
OPTIONAL IFR/TDR
SCHEMATIC DIAGRAM FOR COOLING CONTROL
BLK
SEE RATING PLATE
FOR VOLTS & HZ
BLK
DISCONNECT
L1
FIELD
POWER
SUPPLY
L2
RED BLU
CHASSIS
GROUND
TRANS
RED
R
ORN FR
G
BRN BRN
C
CHASSIS
GROUND
R
G
OPTIONAL IFR/TDR
IFR (TDR OPTIONAL) MOTOR
3 1
BLK
2 4 RED
BLK
HTR
4 3
BLK
SEQ
YEL
VIO
BLK
BRN
TRANS
BRN
A P2
IFR/TD
BRN 5
T B
RED
CHASSIS
BRN
ORN GROUND
C
W
IFR (TDR OPTIONAL) MOTOR
3 1
BLK
2 4
RED
BLK
HTR2
2 1
BLK
SEQ
HTR1
4 3
BLK
SEQ
YEL
YEL
VIO
BLK
BRN
TRANS
BRN
A P2
IFR/TD
BRN 5
B
T
RED
CHASSIS
BRN
ORN
GROUND
C
W
IFR (TDR OPTIONAL) MOTOR
3 1
BLK
2 4
RED
VIO
BLK
BRN
TRANS
RED
A P2
IFR/TD
B
T
RED
ORN
BRN
C
Fig. 33—FF1A/FF1B/FF1C Typical Unit Wiring Label
COMPONENT ARRANGEMENT
CAP
TRANS
BRN
LS1 LS2
BRN
BLK
COM
LS
HTR1 HTR2
WHEN EQUIPPED
SEQ 6
VIO
MOTOR SPEED SELECTION
VIO
HI = BLACK
HEAT PKG.
CAP
2 KW
BRN
3 KW
5 KW
7.5 KW
BRN
11 KW
0 (COOLING)
LS2
LS1
LS
FR
IFR
IFR/TD
SEQ
SEQ 6 CAP
HTR
VIO
TRANS
VIO
CAP
BRN
1. UNIT WIRED FOR 230V OPERATION USING
BLACK AND RED TRANSFORMER PRIMARY
BRN LEADS. FOR 208V OPERATION, USE BLACK
AND BLUE TRANSFORMER PRIMARY LEADS.
2. UNUSED TRANSFORMER LEADS MUST BE TAPED
AND LOOPED.
3. IF ANY OF THE ORIGINAL WIRE, AS
SUPPLIED, MUST BE REPLACED, USE THE
SAME OR EQUIVALENT WIRE.
4. FIELD WIRING, USE COPPER CONDUCTORS,
ONLY.
BRN
5. FAN RELAY #4 IS A DEAD TERMINAL FOR
UNUSED MOTOR LEAD STORAGE. TO CHANGE
MOTOR SPEEDS, EXCHANGE THE BLACK AND
RED MOTOR LEADS ON THE FAN RELAY.
CHASSIS
GROUND
316596 - 401 REV. B
41
24V
3 2
FR
1 4
208 230
BLU RED
DISCONNECT
2 4 5
SEQ
1 3 6
WHEN EQUIPPED
CHASSIS
GROUND
LOW = RED COMMON = VIO
FIELD WIRE
TEMP.
RATING
SIZE
14 90°C
12 90°C
10 90°C
8 90°C
6 90°C
14 90°C
LEGEND
MARKED TERMINAL
UNMARKED TERMINAL
LIMIT SWITCH
FAN RELAY
INDOOR FAN RELAY
INDOOR FAN RELAY/TIME DELAY
SEQUENCER
CAPACITOR
HEATER
TRANSFORMER
FIELD POWER WIRING
OPTIONAL WIRING
FUSE
CHASSIS GROUND
NOTES
L1
L2
A91140