Panasonic CS-Z20VKR Service Manual page 38

9.2.3 CU-Z42VKR CU-Z50VKR CU-Z60VKR CU-Z71VKR
SINGLE PHASE POWER SUPPLY TO INDOOR UNIT
L N 1
BLK
WHT
SOUND PROOF
BOARD
NOISE FILTER
(GRN)
GRN AC_GND
TERMINAL
BLK
BOARD
1
YLW
1
ORG
2
CN-OPT
4
RED
(WHT)
3
BRW
C
7 ELECTRONIC CONTROLLER
DRM
Resistance of Compressor Windings
MODEL
CONNECTION
U-V
U-W
V-W
Note: Resistance at 20°C of ambient temperature.
MODEL
CONNECTION
U-V
U-W
V-W
Note: Resistance at 20°C of ambient temperature.
TERMINAL
2 3
BOARD
DATA
(RED)
FUSE 103
AC-BLK
(25A 250V)
(BLK)
AC-WHT
(WHT)
GRN FG1
(GRN)
GRN
FG2
(GRN)
1
1
RED
CN-V1
BLK
(WHT)
CIRCUIT
2
2
CN-PWR
(WHT)
1 WHT
1
WHT CN-DEMAND
CN-DEMAND
(WHT)
WHT
(WHT)
3
3
CU-Z42VKR / CU-Z50VKR
9RD132XAA21
1.897 Ω
1.907 Ω
1.882 Ω
CU-Z60VKR / CU-Z71VKR
9KD240XBA21
0.720 Ω
0.726 Ω
0.708 Ω
REACTOR
GRY
RAT2
(GRY)
COMMUNICATION
CIRCUIT
FUSE 2
20A
PFC CIRCUIT
NOISE FILTER
CIRCUIT
RECTIFICATION
FUSE 104
T3.15A L250V
RECTIFICATION
CIRCUIT
SWITCHING POWER
SUPPLY CIRCUIT
FUSE 101
T3.15A L250V
ELECTRONIC CONTROLLER (MAIN)
38
YELLOW
(YEL) OR T(W)
REMARKS
BLU : BLUE
BLK : BLACK
WHT : WHITE
RED : RED
RED
BLUE
YLW : YELLOW
(RED)
(BLU)
GRY : GRAY
OR R(U)
OR S(V)
GRN : GREEN
TRADEMARK
PNK : PINK
BRW : BROWN
COMPRESSOR TERMINAL
ORG : ORANGE
THE PARENTHESIZED LETTERS IS
YLW/GRN : YELLOW/GREEN
INDICATED ON TERMINAL COVER
GRY
RAT1
OUTDOOR AIR TEMP. SENSOR (THERMISTOR)
(GRY)
1
t°
CN–TH1
FUSE 3
(WHT)
20A
t°
4
PIPING TEMP. SENSOR (THERMISTOR)
1
CN–TANK
t°
(WHT)
3
COMPRESSOR TEMP. SENSOR (THERMISTOR)
CIRCUIT 1
CN-STM
(WHT)
6
1
CN–HOT
(WHT)
3
Q1
U (RED)
RED
U
P
V (BLU)
BLU
V
N
W (YLW) YLW
W
WHT
1
CN-MTR1
PNK
(RED)
BLK
IC25
3
10
RED
1
W
3 YLW
14 U
BLU
V 5
16
CN-MTR2
(WHT)
M
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
ELECTRO-MAGNETIC COIL
(4-WAY VALVE)
MS
3~
COMPRESSOR
MS
3~
FAN MOTOR