Panasonic CS-RZ25VKRW Service Manual page 48

10.2.2 CU-RZ35VKR
NOISE FILTER
CIRCUIT
(GRN)
GRN AC_GND
TERMINAL
BLK
BOARD
1
YLW
1
ORG
4
2
DCH
G1
RED
C501
3
1000p
BRW
C
3k V
24V_1
7
DRM
CN-OPT
D501
(WHT)
1A5
1SS355
D502
1SS355
D503
1SS355
D504
1SS355
D505
G1
G1
SINGLE PHASE POWER SUPPLY TO INDOOR UNIT
L N 1 2
BLK
WHT
SOUND PROOF
BOARD
DCH
DCH DCH
C506
C503 C505
1000p
1000p 1000p
3k V
3k V 3k V
3 2
*C504
NONE
1
4 LF501
G1
24V_1
PC501
*R503 1 4
R507
*D506
NONE 10k
NONE *C507
1/10 W
NONE
2 3
R504 TLP421
24V_1
2k (BL.J)
ZD502
1W
30V
*R505
R508 *D507
PC502
1 4
NONE
10k NONE
1/10 W *C508
NONE
2 3
R506
TLP421
2k
(BL.J)
ZD501
1W
30V
ELECTRONIC CONTROLLER
70
60
50
40
30
20
10
0
-10
TERMINAL
3
BOARD
GRY
RAT2
DATA
(GRY)
(RED)
COMMUNICATION
CIRCUIT
FUSE 103
AC-BLK
(20A 250V)
(BLK)
NOISE FILTER
CIRCUIT
AC-WHT
(WHT)
GRN FG1
(GRN)
GRN
FG2 RECTIFICATION
CIRCUIT
(GRN)
SWITCHING POWER
SUPPLY CIRCUIT
24V
CN-V1
(WHT)
1
RED 1
BLK
2 2
CN-PWR
G10_1
(WHT)
1
1 WHT
WHT
WHT
3 3 CN-DEMAND
CN-DEMAND
(WHT)
(WHT)
ELECTRONIC CONTROLLER (MAIN)
Sensor (Thermistor) Compressor Temp. Sensor
Characteristics (Thermistor) Characteristics
70
1 Outdoor Air Sensor
2
Outdoor Heat Exchanger
60
Sensor
50
40
1
30
2
20
10
0
0 10 20 30 40 50 20 40 60 80 100
o o
Temperature ( C) Temperature ( C)
48
REACTOR
GRY
RAT1
5V
(GRY)
FUSE 2 FUSE 3
R11
(20A 250V) (20A 250V)
15.8k
*R468 1%
PFC CIRCUIT 10k
X
C9
*R465 *R466
1u
RECTIFICATION
20k 12k
10V
CIRCUIT
G5
FUSE 104
T3.15A L250V
G5
4V
E
B
*Q24
C
*R117
*R130
*R131
7
6
*R134
5
4
3
2
1
KID65003AP/P
G4 IC4
Q1
U (RED)
U
P
V (BLU)
V
N
W (YLW)
W
FUSE 101
T3.15A L250V
IC25
10
W
14
U
V
16
R14
5V
10k
G6
CN-S 2 1
DC FM 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.
CN-MTR1
1 Feedback output (0 - 5Vdc pulse)
2 5Vdc
3 GND
CN-MTR2 (Measure winding resistance / voltage)
1 W ~80 ohm / 15Vdc
3 U ~80 ohm / 15Vdc
5 V ~80 ohm / 15Vdc
120 140
CN-TH1 (Measure resistance)
1-2 Outdoor air intake sensor (15KΩ ±5% at 25°C)
3-4 Pipe temp sensor (4.96KΩ ±5% at 25°C)
CN-TANK (Measure resistance)
1-3 Comp temp sensor (50KΩ ±5% at 25°C)
CN-HOT
Measure resistance of v-coil CN-HOT
1-3 18Ω at 20°C
Measure voltage on PCB
during 4-way valve ON 1.8Vdc - 15Vdc
OFF -
CN-PWR
Measure voltage
1-2 24Vdc
CN-DEMAND
Measure voltage
1-3 24Vdc
R12
15k
1%
KY
+
X C88
C10 220u
1u 10V
10V
OUTDOOR AIR TEMP. SENSOR (THERMISTOR)
G5 1
t°
t°
PIPING TEMP. SENSOR (THERMISTOR)
4
CN–TH1
(WHT)
C5
R1
1u
4.99k
KB
1%
10V 5V
CN–TANK
(WHT)
G5 G5
1
t°
COMPRESSOR TEMP. SENSOR (THERMISTOR)
3
1
ELECTRO-MAGNETIC COIL
*D23
(4-WAY VALVE)
K
A
3
CN–HOT
*D20
(WHT)
5V
G4
*C174
10
11
1
G4
12
M
13
14
15
6
CN–STM
16
(WHT)
RED
BLU
MS
3~
YLW
R600
1k
COMPRESSOR
1
WHT
C401 PNK
0.01u BLK
50V
3
B 5V
CN-MTR1
G5 (RED)
C400
10u
25V
A
1 RED
G5
3 YLW
MS
3~
BLU
5
CN-MTR2
(WHT) FAN MOTOR