Carrier 40GKX012 703-40 Series Installation Manual page 14

40 GKX
Wiring diagram - Cooling only or heat pump units with electric heater
A
C1
1
8
C4
LM
*
1
G
G
MSL
TO "PCB"
TERMINAL "HR"
TO "PCB"
TERMINAL "C"
SENSOR
SENSOR
COMP
RV
A/C COOLING ONLY
OMF
H/P HEAT PUMP
NEUTRAL
TAKEN FROM
60Hz Special
LINE
Exsport Market
R
J4
TM AIR
J6
AIR
J5
TM COIL
COIL
BUTTON BRD
J3
Y
Y
B
B
J7
G
AUX BRD
J2
9
G
W
C2
FS C
C
P1
J3
J1-PCB TRACE
J2
K2
A
L1
K1
HR
C5
C
BOARD
C
PS
L2
J4
B
A
Y/G
A
B
HEAT PUMP SYSTEM ONLY
HEAT PUMP SYSTEM ONLY
T
R R R A
R R
J12
IR-CONN
1
SWG-LVR SEC
PRIM
LED-BRD
J1 OD COIL
J10
J8
IDR/FAN
6
1
C
W G B
1
W
C3
W
G C B
IFM
AUX
R R C O R B
S1 S2
Y O W2 C C R
OUTDOOR UNIT CONNECTIONS:
S1-S2 OUTDOOR COIL SENSOR
W2- OUTDOOR UNIT FAN
O- REVERSING VALVE
Y- COMPRESSOR CONTACTOR
R- LIVE POWER SUPPLY
C- NEUTRAL POWER SUPPLY
WIRE COLOURS
A O
BROWN
B R
BLUE
C BLACK W
GREY Y
G
YELLOW/GREEN
Y-G
IMPORTANT
THE WARRANTY WILL BE INVALIDATED,
IF FACTORY WIRING AND SETTINGS ARE
FIELD-CHANGED.
E N G L I S H
B
P3
P2
J9
MAIN
BOARD
A
FC
R
A
R
LEGEND
FACTORY WIRING
FIELD WIRING
CONNECTOR
TERMINAL ON COMPONENT
TERMINAL ON STRIP
NORMALLY CLOSE CONTACT
NORMALLY OPEN CONTACT
CAPACITOR
SENSOR
TRANSFORMER
FC
FAN CAPACITOR
FS
SAFETY MICRO FLOAT
ORANGE
IFM INDOOR FAN MOTOR
RED
DRAIN PUMP
PS
WHITE
TRANSFORMER
T
YELLOW
LED/IR BOARD CONNECTOR
C1
FLOAT CONNECTOR
C2
C3 FAN MOTOR CONNECTOR
C4
LOUVRE MOTOR CONNECTOR
C5 PUMP CONNECTOR
*
LM LOUVRE MOTOR
*
MICROSWITCH LOUVRE
MSL
RELAY BOARD
PCB
ELECTRIC HEATER
HTR
SAFETY THERMOSTAT
ST
IF PRESENT
*
GB - 13