Panasonic CS-RZ25VKRW Service Manual page 49

10.2.3 CU-RZ50VKR CU-RZ60VKR CU-RZ71VKR
NOISE FILTER
CIRCUIT
(GRN)
AC_GND
GRN
DCH
TERMINAL
BLK
C501
BOARD
1000p
1
YLW
1
3k V
ORG
2 4
G1 24V_1
RED
3
D501
BRW
C
7
DRM CN-OPT
1A5
(WHT)
1SS355
D502
1SS355
D503
1SS355
D504
1SS355
D505
SINGLE PHASE
POWER SUPPLY
TO INDOOR UNIT
L N 1 2 3
BLK
WHT
GRN
GRN
SOUND PROOF BOARD
DCH
DCH DCH
C506
C503 C505
1000p
1000p 1000p
3k V
3k V 3k V
3 2
*C504
NONE
4 1
LF501
G1
24V_1
PC501
*R503 1
R507
NONE *D506
10k
NONE *C507
1/10 W
NONE
2
R504 TLP421
24V_1
2k (BL.J)
ZD502
1W
30V
*R505
PC502
NONE 1
R508
G1 *D507
10k
NONE
*C508
1/10 W
NONE
2
R506 TLP421
2k (BL.J)
ZD501
1W
30V
G1
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 50
o
Temperature ( C)
GRY
RAT2
(GRY)
TERMINAL
BOARD
DATA
(RED)
COMMUNICATION
CIRCUIT
FUSE 103
AC-BLK
(25A 250V)
(BLK)
NOISE FILTER
CIRCUIT
AC-WHT
(WHT)
FG1
(GRN)
FG2
(GRN)
RECTIFICATION
CIRCUIT
24V
SWITCHING POWER
1 SUPPLY CIRCUIT
1
RED
BLK
2 2
CN-PWR
CN-V1
G10_1
(WHT)
(WHT) 5V
*R468 *R467
CN-DEMAND
CN-DEMAND
10k 10k
(WHT)
(WHT)
1 1
WHT
WHT
WHT
3 3
ELECTRONIC CONTROLLER (MAIN)
4
3
4
3
2
CN-S
DC FM
CN-MTR1
1 Feedback output (0 - 5Vdc pulse)
2 5Vdc
3 GND
Compressor Temp. Sensor
CN-MTR2 (Measure winding resistance / voltage)
(Thermistor) Characteristics
70
1 W
60
3 U
50
5 V
40
30 CN-TH1 (Measure resistance)
1-2 Outdoor air intake sensor (15KΩ ±5% at 25°C)
20
3-4 Pipe temp sensor (4.96KΩ ±5% at 25°C)
10
0
20 40 60 80 100 120 140
CN-TANK (Measure resistance)
o
Temperature ( C)
1-3 Comp temp sensor (50KΩ ±5% at 25°C)
CN-HOT
Measure resistance of v-coil CN-HOT
1-3 23Ω at 20°C
Measure voltage on PCB
during 4-way valve ON
OFF
CN-STM (Measure resistance / voltage)
1-6
CN-PWR
Measure voltage
1-2 24Vdc
CN-DEMAND
Measure voltage
1-3 24Vdc
49
REACTOR
GRY
RAT1
5V
(GRY)
R11
15.8k
1%
FUSE 2 FUSE 3
20A 20A
B1
C9
1u
PFC CIRCUIT
10V
G5
RECTIFICATION
CIRCUIT
G5
FUSE 104
T3.15A L250V
*IC4
ULN2003ADR
1 16
2 15
3 14
4 13
5 12
6
11
7 10
G2
*IC5
ULN2003ADR
1 16
2
15
3
14
4
13
5 12
6 11
7 10
G2
Q1
U
P
V
N
W
FUSE 101
T3.15A L250V
IC25
10
W
14 U
V
16
R14
5V
10k
G5
1
The unit turn to the Rated Frequency Cooling Operation by short-circuiting CN-S after applying power between the terminal 1 and 2.
Operation of the compressor and the outdoor fan motor can be checked by applying power after short-circuiting CN-S.
~80 ohm / 15Vdc
~80 ohm / 15Vdc
~80 ohm / 15Vdc
1.8Vdc - 15Vdc
-
46Ω / 12Vdc
R12
15k
KY
+
1%
C88
B1 220u
C10 10V
1u
10V
OUTDOOR AIR TEMP. SENSOR (THERMISTOR)
G5
1
t°
t°
4
PIPING TEMP. SENSOR (THERMISTOR)
CN–TH1
(WHT)
C5
R1
1u
5V
4.99k
KB
1%
10V
1
G5 G5
t°
3
COMPRESSOR TEMP. SENSOR (THERMISTOR)
13V
CN–TANK
(WHT)
*C174
G2
CN–STM
(WHT)
1
M ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
6
CN–HOT
(WHT)
G2
1
ELECTRO-MAGNETIC COIL
15V
(4-WAY VALVE)
3
E
*D20
B
*Q23
C
G2
U (RED)
RED
V (BLU)
BLU MS
3~
W (YLW) YLW
R600
5V COMPRESSOR
1k
1 WHT
PNK
C401
C400 BLK
0.01u
10u
50V
3
25V
B1
CN-MTR1
B3
(RED)
G5
G5
RED
1
3 YLW
MS
3~
BLU
5
CN-MTR2
FAN MOTOR
(WHT)