Outdoor Unit - Panasonic CS-HZ25WKE Service Manual

10.2 Outdoor Unit

FOR OUTDOOR POWER
SUPPLY CONNECTION
SINGLE PHASE
TO INDOOR UNIT
POWER SUPPLY
L N 1 2
WHT
BLK
FOR INDOOR POWER
SUPPLY CONNECTION
POWER SUPPLY
GRN
NOT CONNECTED
GRN
L N
BLK
BASE PAN
HEATER
MS
3~
FAN
MOTOR
TERMINAL
3
BOARD
RED
DATA
(RED)
NOISE FILTER
CIRCUIT
AC-BLK
(BLK)
FUSE 1 FUSE 8
T3.15A
(20A 250V)
L250V
AC-WHT
(WHT)
FG1
(GRN)
FG2
(GRN)
PFC
CIRCUIT
HT2 (BLU)
BLU
RY-HT2
ACN2 (BLU)
BLU
CN-MTR2
(WHT)
1
10
W
3
U
14
V
5
16
IC19
R403
1k
1
C414
5V
0.01u
3 50V
B1
CN-MTR1
C401
(RED) 0.1u
G6
25V
B1
G5
ELECTRONIC CONTROLLER
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 40
o
Temperature ( C)
REACTOR
GRY
GRY
RAT2 RAT1
(GRY) (GRY)
COMMUNICATION
CIRCUIT
FUSE 5
(20A 250V)
FUSE 6
(20A 250V)
RECTIFICATION
CIRCUIT
SWITCHING
POWER
RECTIFICATION
SUPPLY CIRCUIT
CIRCUIT
FUSE 3
4
T3.15A L250V
3
2
1
16V
U (RED)
Q1
P
U
V (BLU)
V
W (YLW)
N
W
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
50 20 40
Temperature (
26
5V
R21
R22
15.8k
15k
1%
1%
C10
C9
1u
1u
10V
10V
B1
B1
OUTDOOR AIR TEMP. SENSOR (THERMISTOR)
G5
G5 1
t°
t°
4
PIPING TEMP. SENSOR (THERMISTOR)
CN-TH1
5V G5
(WHT)
1
t°
R28
C99
3
COMPRESSOR TEMP. SENSOR (THERMISTOR)
1u 4.99k
CN-TANK
10V 1%
(WHT)
B1
G5
1
M
15V
IC8
6
10
CN-STM1
C921
0.1u
COMMON (WHT)
IC8
50V GND
B3
9
1 YLW
Q55
G4A
3
YLW
CN-HOT
D59
(WHT)
G4A
RED
BLU
YLW
60 80 100 120 140
o
C)
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
ELECTRO-MAGNETIC COIL
(4-WAY VALVE)
MS
3~
COMPRESSOR