Outdoor Unit - Panasonic CS-Z20XKEW Service Manual

9.2

Outdoor Unit

9.2.1 CU-Z20XKE CU-Z25XKE
TO INDOOR UNIT
S1
REMARKS
BLU : BLUE
BLK : BLACK
WHT : WHITE
GRN
RED : RED
YLW : YELLOW
GRY : GRAY
GRN
GRN : GREEN
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)
ELECTRONIC CONTROLLER
CU-Z20XKE / CU-Z25XKE
9GS075XAA21 (Ω)
2.993
2.993
2.993
REACTOR
GRY
GRY
RAT2 RAT1
(GRY) (GRY)
COMMUNICATION
CIRCUIT
FUSE102
T3.15A L250V
RECTIFICATION
FUSE103
T3.15A L250V CIRCUIT
RECTIFICATION
FUSE104
CIRCUIT
T3.15A L250V
35
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
CN-STM M
(WHT)
6
Q1
P
U (RED) RED
U
V (BLU) BLU
V
YLW
W (YLW)
W
N
COMPRESSOR
RED (RED)
ELECTRO-MAGNETIC
COIL
(EXPANSION VALVE)
MS
3 ~