47
8.3 CU-2WZ71YBE5
TO DUCT UNIT C
1
2
3
TO TANK UNIT A
BL
TERMINAL BOARD
CONTROL BOARD
BL
W
R
B
W
G
G
THE PARENTHESIZED LETTERS IS
INDICATED ON TERMINAL COVER
YELLOW (YEL)
(TRADEMARK)
COMP. TERMINAL
BLUE (BLU)
RED (RED)
REMARKS
B : BLUE
BL : BLACK
W : WHITE
R : RED
Y : YELLOW
GRY : GRAY
G : GREEN
ORG : ORANGE
Y/G : YELLOW/GREEN
BR : BROWN
ELECTRONIC CONTROLLER
(NOISE FILTER)
CN-DISP1
(WHITE)
14
1
6
1
1
3
5
1
6
1
7
1
CN101
(YELLOW)
CN-NMODE1
(WHITE)
CN-DISP3
(YELLOW)
CN-DISP1
(WHITE)
CN-DISP2
(WHITE)
ELECTRONIC CONTROLLER (DISPLAY)
61
81
CN-STM2
(YELLOW)
AC-WHT
GRY
REACTOR
(WHITE)
AC-BLK (BLACK)
R
B
Y
R
B
Y
U
V
W
P
N
(RED) U
(BLUE) V
(YELLOW) W
CONNECTOR
WHITE
COMPRESSOR
Q10
1
1
4
5
CN-DATA
(WHITE)
CN-DATA1
(YELLOW)
CN-DATA2
(YELLOW)
9
1
PRIORITY MODE
POWER SAVE
OPERATION TEST
PUMP DOWN
WIRING CHECK
9
7
5
3
1
CN-STM1
(WHITE)
JP1
COOL ONLY
BL
GRY
BR
B
W
CN-BLK
RAT2 (GRAY)
AC1
(BROWN)
AC2 (BLUE)
(BLACK)
CN-WHT
(WHITE)
CN-COM
(WHITE)
ACN1
(WHITE)
ACL1
(BLACK)
FG1
(GREEN)
FG2
(GREEN)
DCP
(RED)
DCN
(BLACK)
DCP
(RED)
RAT1
(GRAY)
AC1
(BROWN)
DCN
RB
L
(BLACK)
FUSE 401
(30A 250V)
NOISE FILTER
CIRCUIT
COMMUNICATION
CIRCUIT
CN-PSW1 (WHITE)
R
R
FUSE 2
(T3.15A L250V)
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
ELECTRONIC CONTROLLER
(MAIN)
HIGH PRESSURE SW.
FUSE 1
(T3.15A L250V)
MS 3~
1
2
UNIT A
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
ELECTRO-
MAGNETIC COIL (B)
(EXPANSION VALVE)
UNIT C
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
MM
61
CN-STM3
(BLUE)
M
4
1
CN-TH1
(WHITE)
2
CN-TANK
(WHITE)
1
TANK TEMP. SENSOR
(THERMISTOR)
HIGH PRESSURE
SENSOR
OUTDOOR TEMP. SENSOR (THERMISTOR)
HEAT EXCHANGER TEMP. SENSOR (THERMISTOR)
t
t
t
CN-FM1
(WHITE)
FAN MOTOR
7
4
1
R
B
BR
W
ORG
1
1
10
11
CN-TH3
(WHITE)
CN-TH4
(WHITE)
t
t
t
t
LIQUID PIPE TEMP. SENSOR (UNIT A) (THERMISTOR)
LIQUID PIPE TEMP. SENSOR (UNIT C) (THERMISTOR)
GAS PIPE TEMP. SENSOR (UNIT A) (THERMISTOR)
GAS PIPE TEMP. SENSOR (UNIT C) (THERMISTOR)
1
4
CN-TH5
(BLACK)
t
DISCHARGE TEMP. SENSOR (THERMISTOR)
RECTIFICATION
CIRCUIT
SMOOTHING CAPACITOR
PFC
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
1
1
3
3
CN-HOT1
(BLUE)
ELECTRO MAGNETIC COIL 1 (4-WAY VALVE)
CRANKCASE HEATER
CN-HT
(BLACK)
RY-HOT
RY-HT
RY-PWR
PFC
CAPACITOR
RECTIFICATION
CIRCUIT
AC2 (BLUE)
1
4
CN-TH2
(YELLOW)
t
DEFROST TEMP. SENSOR (THERMISTOR)
1
4
CN-HOT2
(WHITE)
ELECTRO MAGNETIC COIL 2 (4-WAY VALVE)
RY-HOT2
1
2
3
43
1
CN-HPS
(RED)
31
2
RW
B
L
M
3
31
1
3
1
CN-HEAT
(WHITE)
CN-102
(YELLOW)
WW
W