Panasonic CU-2E18SBE - Wiring Connection Diagrams

28
6. Wiring Connection Diagram
6.1 CU-2E12SBE CU-2E15SBE CU-2E18SBE
R
e
s
i
s
t
a
nc
e
o
f
C
o
m
p
r
e
s
s
o
r
W
inding
s
CONNECTION
U-V
U-W
V-W
1.152 1.152 1.152
5RD132XFC21 (Ω)
ELECTRONIC CONTROLLER
(MAIN)
REMARKS: BLACK; (BLK) WHITE; (WHT) YELLOW; (YLW/YEL) GREEN; (GRN) ORANGE; (ORG) YELLOW/GREEN; (YLW/GRN) BLUE; (BLU) RED; (RED) GRAY; (GRY) BROWN; (BRW)
1
LN
23 123
TO INDOOR UNIT A
POWER SUPPLY
WHT WHT BLK
BRW
BLK
BLK WHT RED
DATA 2
(BROWN)
CN-EV1 (WHITE)
161614 1
3
1
5
1
4
C
N
-
E
V
2
(
Y
E
L
L
O
W
)
C
N
-
T
H
1
(
W
H
I
T
E
)
C
N
-
T
H
2
(
B
L
U
E
)
C
N
-
T
H
3
(
W
H
I
T
E
)
C
N
-
T
H
4
(
R
E
D
)
SW-DEW
SW-COOLING
OUTDOOR AIR TEMP. SENSOR
(THERMISTOR)
OUTDOOR HEAT EXCHANGER
TEMP. SENSOR (THERMISTOR)
DEFROST TEMP. SENSOR
(THERMISTOR)
LIQUID PIPE TEMP. SENSOR
(UNIT A) (THERMISTOR)
LIQUID PIPE TEMP. SENSOR
(UNIT B) (THERMISTOR)
GAS PIPE TEMP. SENSOR
(UNIT A) (THERMISTOR)
GAS PIPE TEMP. SENSOR
(UNIT B) (THERMISTOR)
t
t
t
1
3
C
N
-
T
A
N
K
(
W
H
I
T
E
)
W
H
T
TANK TEMP. SENSOR
(THERMISTOR)
t
1
3
C
N
-
H
E
A
T
(
W
H
I
T
E
)
t
t
t
t
D
A
T
A
1
(
R
E
D
)
C
O
M
M
U
N
I
C
A
T
I
O
N
C
I
R
C
U
I
T
RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT
PFC
CIRCUIT
N
U
(RED) U
(BLUE) V
(YELLOW) W
Q23
VW
P
SWITCHING POWER SUPPLY CIRCUIT
N
O
I
S
E
F
I
L
T
E
R
C
I
R
C
U
I
T
A
C
-
W
H
T
(
W
H
I
T
E
)
A
C
-
B
L
K
(
B
L
A
C
K
)
F
U
S
E
3
2
5
A
2
5
0
V
FUSE2
T2.5A L250V
FUSE1
T3.15A L250V
H
T
1
(
O
R
A
N
G
E
)
H
T
2
(
O
R
A
N
G
E
)
F
G
1
(
G
R
E
E
N
)
R
Y
-
H
T
GRY
GRN
GRN
GRY
RED
RED
BLK
WHT
BLU
BLU
YLW
YLW
F
G
2
(
G
R
E
E
N
)
L
1
-
I
(
G
R
A
Y
)
L
1
-
O
(
G
R
A
Y
)
C
N
-
H
O
T
(
W
H
I
T
E
)
C
N
-
F
M
1
(
W
H
I
T
E
)
1
1
4
7
3
R
E
A
C
T
O
R
F
A
N
M
O
T
O
R
C
O
M
P
R
E
S
S
O
R
M
S
3
~
E
L
E
C
T
R
O
-
M
A
G
N
E
T
I
C
C
O
I
L
(
4
-
W
A
Y
V
A
L
V
E
)
C
O
N
N
E
C
T
O
R
(
Y
L
W
)
ORG
ORG
H
E
A
T
E
R
Y
E
L
L
O
W
(
Y
E
L
)
R
E
D
(
R
E
D
)
T
R
A
D
E
M
A
R
K
T
H
E
P
A
R
E
N
T
H
E
S
I
Z
E
D
L
E
T
T
E
R
S
I
S
I
N
D
I
C
A
T
E
D
O
N
T
E
R
M
I
N
A
L
C
O
V
E
R
.
COMPRESSOR TERMINAL
B
L
U
E
(
B
L
U
)
TERMINAL BOARD
TERMINAL BOARD
TERMINAL BOARD
UNIT A
ELECTRO-MAGNETIC
COIL
UNIT B
ELECTRO-MAGNETIC
COIL
YLW/GRN
T
O
I
N
D
O
O
R
U
N
I
T
B