Outdoor Unit - Panasonic CU-CZ25TKE Service Manual

10.2 Outdoor Unit

SINGLE PHASE
TO INDOOR UNIT
POWER SUPPLY
(BLK) (WHT)
1 2
L N
(BLK) (WHT)
WHT
BLK
BASE PAN
HEATER
FAN
MOTOR
(RED)
3
TERMINAL
(RED)
BOARD
ELECTRONIC CONTROLLER
DATA (RED)
RED
NOISE FILTER
FUSE 103
AC-BLK
CIRCUIT
(20A 250V)
(BLK)
BLK
AC-WHT (WHT)
WHT
GRN FG1 (GRN)
FUSE 104
T3.15A L250V
FG2 (GRN)
GRN
HT2 (BLU)
1 BLU
3 BLU
ACN2 (BLU)
CN-MTR2
(WHT)
10
1
W
MS
3
U
3~
5 14
V
16
CN-MTR1 IC19
(WHT)
1
R311
1k
R312
1k
5V R313
1k
C186 C188
5
0.01μ 0.01μ
+
C178
KB KB
50V 50V
G2 G2 G2
Sensor (Thermistor)
Characteristics
70
1 Outdoor Air Sensor
2 Outdoor Heat Exchanger
60
Sensor
50
40
1
30
2
20
10
0
-10 0 10 20 30
o
Temperature ( C)
REACTOR
GRY GRY
RAT2 RAT1
(GRY) (GRY)
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
PFC RECTIFICATION
CIRCUIT
CIRCUIT
P
N
C187
0.01μ
KB
50V
G2
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
40 50 20
21
5V
R11 R12
15.8k 15.0k
1% 1%
C10
C9
1μ
1μ
10V
13V
KB
10V KB
G2
G2
VCC
9
1 16
2 15
3 14
IC4
4 13
G2 5V
5 12
6 11
15V
7 10
C5
R1
1μ
GND
8
4.99k
KB
e
G2
10V
b
G2 G2
c
Q23
13V
VCC 13V
9
D20
1 16
1A5
2 15
C174
3 14
G2
IC5 G2
4 13
D75
5 12
D73
6 11
G2
U (RED)
U
V (BLU)
V
W (YLW)
W
Q1
40 60 80 100 120 140
o
Temperature ( C)
KY
C88
+
220μ
10V
OUTDOOR AIR TEMP.
CN-TH1
SENSOR (THERMISTOR)
(WHT)
(15kΩ 3950)
1
t°
t°
4
PIPING TEMP.
SENSOR (THERMISTOR)
CN-TANK
(4.96kΩ 3800)
(WHT)
1
t°
3
COMPRESSOR TEMP.
SENSOR (THERMISTOR)
CN-HOT
(50kΩ 3950)
(WHT)
1
ELECTRO-MAGNETIC
COIL (4-WAYS VALVE)
3
CN-STM
ELECTRO-MAGNETIC
(WHT)
COIL (EXPANSION VALVE)
1
D76
D74
M
6
RED
MS
BLU
YLW 3~
COMPRESSOR