Wiring Diagrams - Carrier 40GKX012 703-40 Series Installation Manual

40 GKX
Wiring diagram - Cooling only or heat pump units
A
C1
1
8
C4
LM
*
1
G
G
MSL
SENSOR
SENSOR
COMP.
RV
OFM
NEUTRAL
LINE
WIRE COLOURS:
A O
BROWN
ORANGE
B R
BLUE
RED
C W
BLACK
WHITE
G Y
GREY YELLOW
Y-G YELLOW/GREEN
OUTDOOR UNIT CONNECTIONS:
S1-S2 OUTDOOR COIL SENSOR
OUTDOOR UNIT FAN
W2-
REVERSING VALVE
O-
Y- COMPRESSOR CONTACTOR
LIVE POWER SUPPLY
R-
C-
NEUTRAL POWER SUPPLY
IMPORTANT
THE WARRANTY WILL BE INVALIDATED,
IF FACTORY WIRING AND SETTINGS ARE
FIELD-CHANGED.
GB - 12
R
J4
TM AIR
J6
AIR
J5
TM COIL
COIL
BUTTON BRD
J3
Y
Y
B
B
G J7
AUX BRD
J2
9
G
W
FS
C2
C
C
P1
J3 J1-PCB TRACE
A
L1
C5
C
PS C
L2
J4
B
A
A
B
HEAT PUMP SYSTEM ONLY
HEAT PUMP SYSTEM ONLY
R
R R R R
J12
IR-CONN
1
SWG-LVR SEC
J1
LED-BRD
OD COIL
J10
J8
IDR/FAN
6
1
C G
W B
1
W
C3
W G C
B
IFM
AUX
BOARD
R R C O R
B
S1 S2 Y O W2 C C
LEGEND
FACTORY WIRING
FIELD WIRING
CONNECTOR
TERMINAL ON COMPONENT
TERMINAL ON STRIP
NORMALLY CLOSE CONTACT
NORMALLY OPEN CONTACT
CAPACITOR
-
SENSOR
TRANSFORMER
FC FAN CAPACITOR
T
A B
PRIM
P3
P2
J9
MAIN
BOARD
A
FC
R
A
R
R
FS SAFETY MICRO FLOAT
IFM
INDOOR FAN MOTOR
PS DRAIN PUMP
T
TRANSFORMER
C1
LED/I.R. BOARD CONNECTOR
C2
FLOAT CONNECTOR
C3
FAN MOTOR CONNECTOR
C4
LOUVRE MOTOR CONNECTOR
C5
PUMP CONNECTOR
*
LM
LOUVRE MOTOR
*
MSL
MICROSWITCH LOUVRE
*
IF PRESENT