21
Figure 4. iQ Heat Pump Wiring Diagram
iQ DRIVE - HEAT PUMP (OUTDOOR SECTION)
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
1 2 3 4 5 6 7
+ - G
2 1
4 3 2 1
PANASONIC
INVERTER
W
U
6 5 4 3 2 1
CN3
CN6
CN7
CN8
CN11
TA
4
TA
3
TA
7
TA
8
V
TA
6
TA
5
TA
2
TA
1
R
C
R
O
Y
C CCH
G-+R
G-+
G-+
COIL T
IFB2
P2
P4
P3
EXV BOARD
P2
P3
Y
R C
PRESSURE
TRANSDUCER
EXV
REACTOR
T2
T1
L1
L2
NO
C
A
B
CCH RELAY
REVERSING VALVE COIL
OUTDOOR
AMBIENT
TEMP
SENSOR
COMPR
DISCHG
TEMP
SENSOR
LOW PRESSURE
SWITCH
OD FAN
MOTOR
SUCTION LINE
THERMISTOR
2X
FIELD WIRING TO
INDOOR SECTION
30A
LINE VOLTAGE (208/230)
HIGH PRESS.
SWITCH
OD COIL TEMP
SENSOR
(FOR DEFROST)
1X
LPS HARNESS
30A
CRANKCASE
HEATER
C
ONT
A
CT
OR
YEL
WH
GN
GN
WH
YL
6-WIRE
HARNESS
COMPR
C
R
S
RED
YELLOW
BLACK
RED
YELL
OW
BLA
C
K
RED
GRAY
GRAY
BLACK
WHITE
GREEN
BLA
CK
YELLO
W
BLA
CK
YELLO
W
YELLOW
GRAY
RED
GRAY
RED
3-WIRE
HARNESS
4-PIN
3 WIRE