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36
9.2 Outdoor
Unit
9.2.1 CU-Z20VKR
MS
3 ~
M
REACTOR
MS
3 ~
t°
t°
t°
TO INDOOR UNIT
SINGLE PHASE
POWER SUPPLY
(WHT)
L
N
1
2
3
GRN
GRN
BLK
BLK
YLW/GRN
WHT
WHT
RED
AC-WHT
AC-BLK
(BLK)
DATA
(RED)
GROUNDING TERMINAL
FUSE101
(20A 250V)
FG 1
(GRN)
FG 2
(GRN)
CN-MTR1
(RED)
CN-MTR2
(WHT)
FAN MOTOR
3
5
1
1
3
ELECTRONIC CONTROLLER (MAIN)
GRY
RAT2
(GRY)
RAT1
(GRY)
GRY
TERMINAL
BOARD
OUTDOOR AIR TEMP.
SENSOR (THERMISTOR)
1
4
CN-TH
(WHT)
PIPING TEMP. SENSOR
(THERMISTOR)
1
3
CN-TANK
(WHT)
COMP. TEMPERATURE
SENSOR (THERMISTOR)
YLW
YLW
1
3
CN-HOT
(WHT)
ELECTRO-MAGNETIC
COIL (4-WAYS VALVE)
ELECTRO-MAGNETIC
COIL
(EXPANSION VALVE)
CN-STM
(WHT)
1
6
RED
BLU
YLW
U (RED)
V (BLU)
W (YLW)
COMPRESSOR
U
V
W
P
N
Q1
W
U
V
NOISE FILTER
CIRCUIT
10
14
16
IC19
FUSE103
T3.15A L250V
FUSE104
T3.15A L250V
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
FUSE102
T3.15A L250V
FUSE105
(15A 250V)
SOUND PROOF BOARD
ELECTRONIC CONTROLLER
CN-OPT
(WHT)
1
BLK
GRN
(GRN)
AC_GND
NOISE FILTER
CIRCUIT
CN-V1
(WHT)
CN-PWR
(WHT)
CN-DEMAND
(WHT)
CN-DEMAND
(WHT)
2
2
1
1
1
1
3
3
RED
BLK
WHT
WHT
WHT
YLW
ORG
RED
BRW
DRM
C
3
2
1
TERMINAL
BOARD
TO DRED
4
7
YELLOW
(YEL) OR T(W)
TRADEMARK
COMPRESSOR TERMINAL
THE PARENTHESIZED LETTERS IS
INDICATED ON TERMINAL COVER
BLUE
(BLU)
OR S(V)
RED
(RED)
OR R(U)
REMARKS
BLU
BLK
WHT
RED
YLW
GRY
GRN
PNK
BRW
ORG
YLW/GRN
: BLUE
: BLACK
: WHITE
: RED
: YELLOW
: GRAY
: GREEN
: PINK
: BROWN
: ORANGE
: YELLOW/GREEN
Resistance of Compressor Windings
MODEL CU-Z20VKR
CONNECTION KSK75D43UEE
U-V 2.18
Ω
U-W 2.18
Ω
V-W 2.18
Ω
Note: Resistance at 20°C of ambient temperature.