Outdoor Unit - Panasonic CU-Z20VKE Series Installation Instruction

9.2

Outdoor Unit

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