Panasonic CU-4E27QBR - Cu-4 E27 Qbr

29
6.2 CU-4E27QBR
R
esis
t
a
n
c
e
o
f
C
o
m
p
r
ess
o
r
W
i
n
di
n
g
s
CONNECTION
U-V
U-W
V-W
0.720 0.726 0.708
5KD240XAL21 (Ω)
CONTROL BOARD
Y/G
BL
BL
1 2 3
W
W
BL
R
1
CN-COM
(WHITE)
FUSE 401 (30A 250V)
ACL1 (BLACK)
ACN1 (WHITE)
FG1
(GREEN)
FG2
(GREEN)
DCP (
RED
)
DCN (
BLACK
)
CN-BLK (BLACK)
REACTOR
GRY
RY-PWR
SMOOTHING CAPACITOR
PFC
CAPACITOR
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
1
1
1
10
11
2
4
7
CN-FM1
(WHITE)
CN-PSW1
(BLUE)
CN-TH3
(WHITE)
CN-TH4
(WHITE)
t t t t
t t t
t
t
FAN MOTOR
HIGH PRES SURE SW.
LIQUID PIPE TEMP. SENSOR (UNIT A) (THERMISTOR) LIQUID PIPE TEMP. SENSOR (UNIT B) (THERMISTOR) LIQUID PIPE TEMP. SENSOR (UNIT C) (THERMISTOR) LIQUID PIPE TEMP. SENSOR (UNIT D) (THERMISTOR)
GAS PIPE TEMP. SENSOR (UNIT A) (THERMISTOR) GAS PIPE TEMP. SENSOR (UNIT B) (THERMISTOR) GAS PIPE TEMP. SENSOR (UNIT C) (THERMISTOR) GAS PIPE TEMP. SENSOR (UNIT D) (THERMISTOR)
1
4
(WHITE)
CN-TH1
t t
1
4
(YELLOW)
CN-TH2
t
OUTDOOR TEMP. SENSOR (THERMISTOR)
HEAT EXCHANGER TEMP. SENSOR (THERMISTOR)
DEFROST TEMP. SENSOR (THERMISTOR)
M
B
B Y
ORG
R
COMPRESSOR
CONNECTOR WHITE
YELLOW (YEL)
(TRADEMARK)
THE PARENTHESIZED LETTERS IS
INDICATED ON TERMINAL COVER
COMP. TERMINAL
BLUE
(BLU)
RED
(RED)
MS
3~
B Y
RBL
AC-BLK (
BLACK
)
AC2 (
BLUE
)
FUSE 1 (T3.15A L250V)
CN-DATA
(
WHITE
)
RAT2 (GRAY)
AC1 (BROWN)
AC2 (BLUE)
CN-WHT
(
WHITE
)
W BL
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
(WHITE)
CN-DISP2
(WHITE)
CN-NMODE
(YELLOW)
CN-NMODE1
(WHITE)
POWER SAVE
PRIORITY MODE
PUMP DOWN
OPERATION TEST
WIRING CHECK
CN-HOT
(BLUE)
(WHITE)
CN-EV1
(YELLOW)
CN-EV2 1
6
(BLUE)
CN-EV3
1
7
(RE D )
CN-EV4
12
MMMM
(WHITE)
CN-DIS
DISCHARGE TEMP.
SENSOR (THERMISTOR)
UNIT D
ELECTRO-
MAGNETIC COIL
(EXPANSION
V
A
L
V
E
)
UNIT C
ELECTRO-
MAGNETIC COIL
(EXPANSION
V
A
L
V
E
)
UNIT B
ELECTRO-
MAGNETIC COIL
(EXPANSION
V
A
L
V
E
)
UNIT A
ELECTRO-
MAGNETIC COIL
(EXPANSION
V
A
L
V
E
)
ELECTRO MAGNETIC
COIL (4-WAY VALVE)
REMARKS B:BLUE BL : BLACK W:WHITE R:RED Y : YELLOW GRY : GRAY G : GREEN ORG : ORANGE Y/G : YELLOW /GREEN BR : BROW N
HEATER
CN-HT (BLACK)
RY-HOT
RY-HT
14
8
B Y
ORG
W
L
N
TERMINAL BOARD
TERMINAL BOARD
TO INDOOR U NIT A
1 2 3
BL W
TO INDOOR UNIT B
1 2 3
BL W
TO INDOOR UNIT C
1 2 3
TO INDOOR UNIT D
POWER SUPPLY
S
INGLE PHASE
A
C 230V
5
0Hz
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
ELECTRONIC CONTROLLER (MAIN)
FUSE 2
(T3.15A L250V)
CN-DATA
(
WHITE
)
W
W
W
CN-DEMAND
(WHITE)
CN-DEMAND
TO CZ-CAP2
(OPTIONAL DEMAND
CONTROL)
1
3
CONNECTOR (WHITE)