Outdoor Unit - Panasonic CS-Z20VKR Service Manual

9.2

Outdoor Unit

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