Panasonic CU-4E24RBU - Cu-4 E24 Rbu

22
6.2 CU-4E24RBU
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CONNECTION
U-V
U-W
V-W
0.72 0.73 0.71
5KD240XAL21 (Ω)
CONTROL BOARD
Y/G
BLK
BLK
1 2 3
W
W
BLK
R
1
CN-COM
(WH IT E)
FUSE 401
(30A 250V)
ACL1 (BLACK)
ACN1 (WH IT E)
FG1
(GRE E N )
FG2
(GRE E N )
DCP (
RED
)
DCN (
BLACK
)
CN-BLK (BLACK)
REACTOR
GRY
RY-PWR
SMOOTHING CAPACITOR
PFC
CAPACITOR
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
ELECTRONIC CONTROLLER (MAIN)
ELECTRONIC CONTROLLER (NOISE FILTER)
ELECTRONIC CONTROLLER (DISPLAY)
PFC
CIRCUIT
AC-WHT (
WHITE
)
RAT1 (
GRAY
)
DCP (
RED
)
DCN (
BLACK
)
AC1 (
BROWN
)
Q10
(
RED
)
U
(
YELLOW
)
(
BLUE
)
V
P N
U V
W
W
BR
W
R
R
R
R
1
11
3
3
1
1
1
10
11
1
1
4
4
2
4
7
CN-FM1
(WH IT E)
CN-PSW1
(BLUE)
CN-TH3
(WHITE)
CN-TH4
(WHITE)
(WH IT E)
CN-TH1
(YELLOW )
CN-TH2
t t t t
t t t
t t t
t
t
FAN MOTOR
HIGH PRESSURE SW.
LIQUID PIPE TEMP. SENSOR (UNIT A) (THERM ISTOR) LIQUID PIPE TEMP. SENSOR (UNIT B) (THERM ISTOR) LIQUID PIPE TEMP. SENSOR (UNIT C) (THERM ISTOR) LIQUID PIPE TEMP. SENSOR (UNIT D) (THERM ISTOR)
GAS PIPE TEM P. SENSOR (UNIT A) (THERMISTOR) GAS PIPE TEM P. SENSOR (UNIT B) (THERMISTOR) GAS PIPE TEM P. SENSOR (UNIT C) (THERMISTOR) GAS PIPE TEM P. SENSOR (UNIT D) (THERMISTOR)
OUTDOOR TEMP. SENSOR (THERMISTOR)
HEAT EXCHANGER TEM P. SENSOR (THERMISTOR)
DEFROST TEMP. SENSOR (THERMISTOR)
M
B
B Y
ORG
R
CONNE CTOR WHITE
COMPRESSOR
YELLOW (YEL)
OR T (W)
(TRADEMARK)
THE PARENTHESIZED LETT ERS IS
INDICATED ON TERMINAL COVER
COMP. TERMINAL
BLUE (BLU)
OR S (V)
RED (RED) OR R (U)
MS
3~
B Y
RBLK
AC-BLK (
BLACK
)
AC2 (
BLUE
)
FUSE 2
(T3.15A L250V)
FUSE 1 (T3.15A L250V)
CN-DATA
(
WHITE
)
CN-DATA
(
WHITE
)
RAT2 (GRAY)
AC1 (BROWN)
AC2 (BLUE)
CN-WHT
(
WHITE
)
W
BLK
GRY
BR B
1
W W W W W W W W W
1
99
NOISE FILTER CIRCUIT
COMMUNICATION CIRCUIT
RECTIFICATION CIRCUIT
G
G
CONTROL BOARD
3 5 7 9
1
W W W W W W W W
W W W W W W W W W W W W W
1
1
6
11
7
1
1
3 3
1
1
8
6
7
JP1
COOL ONLY
CN-DISP1
(WHITE)
CN-DISP1
(WH IT E)
CN-DISP2
(WH IT E)
CN-NMODE
(YELLOW)
CN-NMODE1
(WH IT E)
POWER SAVE
PRIORITY MODE
PUMP DO WN
OPERATION T EST
WIRING CHECK
CN-HOT
(BLUE)
(WH ITE )
CN-EV1
(YELLOW )
CN-EV2 1
6
(BLUE)
CN-EV3
1
7
(RED )
CN-EV4
12
MMMM
(WH IT E)
CN-DIS
DISCHARGE TEMP.
SENSOR (THERMISTOR)
UNIT D
ELECTRO-
MAGNETIC COIL
(EXPANSION
VALVE)
UNIT C
ELECTRO-
MAGNETIC COIL
(EXP ANSION
VALVE)
UNIT B
ELECTRO-
MAGNETIC COIL
(EXPANSION
VALVE)
UNIT A
ELECTRO-
MAGNETIC COIL
(EXPANSION
VALVE)
ELECTRO M AGN ETIC
COIL (4-W AY VALVE )
REMARKS BLU/B : BLUE BLK : BLACK W : WHITE R/RED : RED Y/YEL : YELLOW GRY : GRAY G : GREEN ORG : ORANGE Y/G : YELLOW/GREEN BR : BROWN
HEATER
CN-HT (BLA CK )
RY-HO T
RY-H T
14
8
B Y
ORG
W
L1
L2
TERMINAL BOARD
TERMINAL BOARD
TO INDOOR UNIT A
1 2 3
BLK W
TO INDOOR UNIT B
1 2 3
BLK W
TO INDOOR UNIT C
1 2 3
TO INDOOR UNIT D
S
INGLE PHASE
P
OWER SUPPLY
A
C 2 08/230V
60Hz