39
9.2.4 CU-Z80VKR
SINGLE PHASE POWER SUPPLY
L
1
TERMINAL
BOARD
2
3
C
N
1
2
3
TERMINAL
BOARD
TERMINAL
BOARD
TO INDOOR UNIT
RED
WHT
1
4
1
4
WHT
WHT
WHT
BLK
BLK
RED
WHT
WHT
WHT
WHT
GRY
BLK
1
1
2
2
GRY
BLK
REACTOR
BLK
BLK
GRN
FG1
(GREEN)
FG2
(GREEN)
(GREEN)
FG3
CN-OPT
(WHITE)
CN-PWR
(WHITE)
CN-WHT
(WHITE)
CN-V1
(WHITE)
CN-TH1
(WHITE)
CN-TANK
(WHITE)
COMP. TEMP.
SENSOR (THERMISTOR)
ELECTRO-MAGNETIC
COIL (4-WAY VALVE)
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
CN-HOT
(BLUE)
CN-EV
(WHT)
RY
-H
O
T
CN-FM
(WHITE)
CN-DEMAND
(WHITE)
CN-DEMAND
(WHITE)
1
1
1
2
1
2
4
3
1
3
7
ELECTRONIC CONTROLLER
(NOISE FILTER)
GRN
BLK
YLW
DRM
T
O
DRED
ORG
RED
BRW
WHT
WHT
ACN1
(WHITE)
ACL1
(BLACK)
COM3
(RED)
L2-I
(GRAY)
L2-0
(BLACK)
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING POWER
SUPPLY CIRCUIT
ELECTRONIC CONTROLLER (MAIN)
PFC
CIRCUIT
Q10
1
1
1
3
3
1
1
6
4
4
7
P
N
U
W
V
FUSE3
(25A, 250V)
CN-COM
(YELLOW)
CN-COM
(YELLOW)
CN-BLK
(BLACK)
AC-BLK
(BLACK)
AC-WHT
(WHITE)
FUSE2
(T3.15A L250V)
FUSE1
(T2.5A L250V)
(RED) U
(BLUE) V
(YELLOW) W
RED
RED
BLU
BLK
WHT
BLU
YLW
YLW
RED
COMPRESSOR
FAN MOTOR
OUTDOOR AIR TEMP. SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
t˚
t˚
t˚
CONNECTOR
WHITE
MS
3~
M
3 3
1 1
BLU
YLW
GRN
YLW/GRN
YLW/GRN
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
NOISE FILTER
CIRCUIT
M
REMARKS
BLU
ORG
YLW
GRY
GRN
YLW/GRN
: BLUE
: ORANGE
: YELLOW
: GRAY
: GREEN
: YELLOW/GREEN
BRW
BLK
WHT
RED
: BROWN
: BLACK
: WHITE
: RED
YELLOW (YLW)
(TRADEMARK)
THE PARENTHESIZED LETTERS IS
INDICATED ON TERMINAL COVER
COMP. TERMINAL
RED
(RED)
BLUE
(BLU)
CABINET
SIDE
PLATE
SOUND
PROOF
BOARD
CONNECTOR
WHITE
Resistance of Compressor Windings
MODEL CU-Z80VKR
CONNECTION 9KD240XBA21
U – V
0.720
Ω
U – W
0.726
Ω
V - W
0.708
Ω
Note: Resistance at 20°C of ambient temperature.