Panasonic CU-Z20VKE Series Installation Instruction page 42

10.2.2 CU-Z25VKE CU-Z35VKE CU-Z42VKE CU-Z50VKE CU-Z71VKE
TO INDOOR UNIT
S1 2 3
RED
DATA
(RED)
AC-BLK
(BLK)
FUSE 1
FOR Z25/35/42VK
(20A 250V)
FOR Z50/71VK
(25A 250V)
AC-WHT
(WHT)
FG1 (GRN)
GRN
FG2 (GRN)
GRN
CN-MTR2
(WHT)
1
FAN
3
MS
MOTOR
3~
5
CN-MTR1
(RED)
1
5V
3
C401
0.1u
25V
B1
G5
70
60
50
40
30
20
10
0
-10
TERMINAL
BOARD
GRY
RAT2
(GRY)
NOISE FILTER
CIRCUIT
FUSE 8
T3.15A
L250V
PFC
CIRCUIT
10
W
U
V 14
16
IC19
R403
1k C414
0.01u
50V
B1
ELECTRONIC CONTROLLER
G6
Sensor (Thermistor)
Characteristics
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
0 10 20 30 40 50
o
Temperature ( C)
REACTOR
GRY
RAT1
(GRY)
COMMUNICATION
CIRCUIT
FUSE 5
(20A 250V)
FUSE 6
(20A 250V)
RECTIFICATION
CIRCUIT
SWITCHING
POWER
SUPPLY CIRCUIT
RECTIFICATION
CIRCUIT
FUSE 3
T3.15A L250V
Q1
U (RED)
P
U
V (BLU)
V
W (YLW)
W
N
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20 40 60
Temperature (
41
5V
R21
R22
15.8k
15k C98
1%
1% 470u
10V
C9
C10
KY
1u 1u
10V 10V
B1 B1
OUTDOOR AIR TEMP. SENSOR
CN-TH1
G5
G5
(THERMISTOR)
(WHT)
1
tº
tº
4
PIPING TEMP. SENSOR
5V
CN-TANK (THERMISTOR)
G5
(WHT)
1
tº
3
COMPRESSOR TEMP.
C99
R28
1u
4.99k SENSOR (THERMISTOR)
10V
1%
B1
CN-STM1
G5
IC8
(WHT)
4 13
1
3 14
2
15
1 16
15V
6
1 YLW
16V
Q55
3 YLW
CN-HOT
(WHT)
G4A
RED
BLU
YLW
80 100 120 140
o
C)
M
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
ELECTRO-MAGNETIC
COIL
(4-WAY VALVE)
MS
3~
COMPRESSOR