
37
9.2 Outdoor
Unit
9.2.1 CU-Z20VKE
TERMINAL
BOARD
TO INDOOR UNIT
COMPRESSOR
OUTDOOR AIR TEMP.
SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
1
4
t°
t°
t°
AC-WHT
(WHT)
CN-MTR1
(RED)
CN-MTR2
(WHT)
IC19
Q1
FG 1
(GRN)
FG 2
(GRN)
GRN
BLK
WHT
GRN
AC-BLK
(BLK)
DATA
(RED)
RED
GRY
RAT2
(GRY)
GRY
YLW
YLW
RAT1
(GRY)
REACTOR
RED
BLU
YLW
U (RED)
V (BLU)
W (YLW)
U
V
W
U
V
W
3
5
3
1
10
14
16
1
COMP. TEMPERATURE
SENSOR
(THERMISTOR)
1
3
CN-TANK
(WHT)
ELECTRO-MAGNETIC
COIL
(4-WAYS VALVE)
1
3
CN-HOT
(WHT)
CN-TH
(WHT)
P
N
SWITCHING POWER
SUPPLY CIRCUIT
FUSE103
T3.15A L250V
FUSE102
T3.15A L250V
FUSE104
T3.15A L250V
FUSE 101
(20A 250V)
3
2
S1
COMMUNICATION
CIRCUIT
FAN
MOTOR
ELECTRONIC CONTROLLER
MS
3 ~
RED (RED)
(TRADEMARK)
BLUE (BLU)
YELLOW (YEL)
THE PARENTHESIZED LETTERS IS
INDICATED ON TERMINAL COVER
COMPRESSOR TERMINAL
ELECTRO-MAGNETIC
COIL
(EXPANSION VALVE)
CN-STM
(WHT)
1
6
NOISE FILTER
CIRCUIT
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
FUSE105
(15A 250V)
REMARKS
BLACK: (BLK)
WHITE: (WHT)
YELLOW: (YLW)
ORANGE: (ORG)
YELLOW/GREEN: (YLW/GRN)
BLUE: (BLU)
RED: (RED)
BROWN: (BRW)
M
MS
3 ~
Resistance of Compressor Windings
MODEL CU-Z20VKE
CONNECTION KSK75D43UEE
(
Ω
)
U-V 2.18
U-W 2.18
V-W 2.18
Note: Resistance at 20°C of ambient temperature.