Panasonic CS-RZ25TKR Service Manual page 49

10.2.2 CU-RZ50TKR CU-RZ60TKR CU-RZ71TKR
(GRN)
GRN AC_GND
D502
D503
D504
D505
TERMINAL
BLK
BOARD
YLW 1
1
CN-OPT
ORG
2 (WHT)
4
RED
3
BRW
C
7
G1
DRM
70
60
50
40
30
20
10
0
-10
SINGLE PHASE POWER SUPPLY
TO INDOOR UNIT
L N 1 2
BLK
WHT
SOUND PROOF BOARD
NOISE FI LTER
CIRCUIT
24V_1
R503
PC501
1
NONE
R507 D506
10k C507
NONE
R504
NONE
2k
2
24V_1
ZD502
R505
G1 PC502
1
NONE
D507
R508
NONE C508
10k
R506
ZD501
NONE
2k
G1 2
ELECTRONIC CONTROLLER
Sensor (Thermistor)
Characteristics
1 Outdoo r Air Sen sor
2 Outdoo r H ea t Exc hange r
Sen sor
1
2
0 10 20 30 40 50
o
Temperature ( C)
TERMINAL
3
BOARD
DATA
(RED)
COMMUNICATION
CIRCUIT
FUSE 103
AC-BLK
(25A 250V)
(BLK)
NOISE FILTER
AC-WHT
CIRCUIT
(WHT)
GRN FG1
(GRN)
GRN
FG2
(GRN)
24V
1
1 CN-V1
RED
(WHT)
BLK
2
CN-PWR 2
(WHT)
G10_1
ELECTRONIC CONTROLLER (MAIN)
4
3
5V
4
R468 R467
10k 10k
1 1
WHT
WHT
WHT
CN-DEMAND
3
3
3
(WHT)
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20 40 60 80 100 120 140
o
Temperature ( C)
49
REACTOR
GRY GRY
RAT1
RAT2 5V
(GRY)
(GRY)
R11
15.8k
1%
B1
C9
1u
10V
G5
C5
1u
KB
FUSE 2 FUSE 3
10V
20A 20A
PFC CIRCUIT
RECTIFICATION
CIRCUIT
FUSE 104
T3.15A L250V
RECTIFICATION
CIRCUIT
15V
e
SWITCHING POWER
SUPPLY CIRCUIT
c
Q1
P
N
R600
FUSE 101
C401
T3.15A L250V
0.01u
50V
B1
G5
IC25
10
5V
14
R14
16
10k
2 1
G2
CN-S
DC FM
The un it turn to the Rated Freq uenc y Coo ling Operation by sho rt-circuiting CN -S after app lying power be twee n the termina l 1 and 2.
Ope ration of the compressor an d the ou tdoo r fan motor can be che cked by app lying power after short-circuiti ng 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
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 23Ω at 20°C
Measure voltage on PCB
during 4-way valve ON 1.8Vdc - 15Vdc
OFF -
CN-STM (Measure resistance / voltage)
1-6 46Ω / 12Vdc
CN-PWR
Measure voltage
1-2 24Vdc
CN-DEMAND
Measure voltage
1-3 24Vdc
R12
15k
1%
KY
C88
B1
220u
C10
10V
1u
10V
OUTDOOR AIR TEMP. SENSOR (THERMISTOR)
G5
1
t°
CN–TH1 t°
(WHT)
4
PIPING TEM P. SENSOR (THERMISTOR)
G5
5V
1
t°
3
COMPRESSOR TEM P. SENSOR (THERMISTOR)
R1
CN–TANK
4.99k
(WHT)
1%
13V
G5
C174
G2
1
M ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
CN-STM
(WHT)
6
G2
CN–HOT
D20
(WHT)
1A5
1
ELECTRO-MAGNETIC COIL
G2
(4- WAY VALVE)
3
U (RED) RED
U
V (BLU) MS
BLU
V
3~
W (YLW) YLW
W
5V
COMPRESSOR
1k
1 WHT
PNK
C400
3 BLK
10u
25V
CN-MTR1
B3
(RED)
G5
RED
1
W
3 YLW
MS
U
3~
BLU
V 5
CN-MTR2
(WHT)
FAN MOTOR