Panasonic CS-Z35UFRAW Service Manual page 34

10.2.2 CU-Z35UBRA
(GRN)
GRN AC_GND
D502
D503
D504
D505
TERMINAL
BLK
BOARD
YLW 1
1
CN-OPT
ORG
ZD501
2 (WHT)
4
RED
3
BRW
C
7
G1
DRM
Sensor (Thermistor)
Characteristics
70
Outdoor Air Sensor
Outdoor Heat Exchanger
60
Sensor
50
40
30
20
10
0
-10 0 10 20 30
Temperature ( o C)
SINGLE PHASE POWER SUPPLY
TO INDOOR UNIT
L N 1 2 3
BLK
WHT
GRN
GRN
SOUND PROOF
BOARD
NOISE FI L TER
CIRCUIT
CN-PWR
(WHT)
24V_1
R503
PC501
1 4
NONE
R507
D506
10k NONE C507
R504
NONE
2k
2 3
24V_1
ZD502
R505
PC502
G1
1 4
NONE
D507
R508
NONE C508
10k
R506
NONE
2k
2 3
G1
ELECTRONIC CONTROLLER
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
40 50 20
TERMINAL
BOARD
DATA
(RED)
COMMUNICATION
CIRCUIT
FUSE 103
AC-BLK
(20A 250V)
(BLK)
NOISE FILTER
AC-WHT
CIRCUIT
(WHT)
FG1
(GRN)
FG2
(GRN)
RECTIFICATION
24V
SWITCHING POWER
SUPPLY CIRCUIT
CN-V1
1
1
RED
(WHT)
BLK
2
2
G10_1
ELECTRONIC CONTROLLER (MAIN)
5V
R468 R467
10k 10k
1 1
WHT
WHT
WHT
CN-DEMAND
3
3
R14
(WHT)
10k
G2
Compressor Temp. Sensor
40 60 80 100 120 140
Temperature ( o C)
34
REACTOR
GRY GRY
RAT1
RAT2 5V
(GRY) (GRY)
R11
R12
15.8k
15k
1%
1%
KY
B1
C88
B1
C9
220u
C10
1u
10V
1u
10V
10V
G5
G5
1
CN–TH1
(WHT)
4
G5
5V
1
C5
3
1u
R1
CN–TANK
KB
4.99k
FUSE 2 FUSE 3 (WHT)
10V
1%
20A 20A
13V
G5
PFC CIRCUIT
C174
G2
1
RECTIFICATION
CIRCUIT
CN-STM
FUSE 104
(WHT)
T3.15A L250V
6
CIRCUIT 15V G2
CN–HOT
D20
e
(WHT)
1A5
1
c
G2
3
Q1
U (RED)
U
P
V (BLU)
V
N
W (YLW)
W
5V
R600
FUSE 101
C401 1k
1
T3.15A L250V 0.01u
50V C400
3
B1 10u
25V
G5
CN-MTR1
B3
IC25
(RED)
G5
10
1
W
5V
3
14
U
V
5
16
CN-MTR2
2 1
(WHT)
CN-S
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.
DC FM
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
O F F -
CN-STM (Measure resistance / voltage)
1-6 46Ω / 13Vdc
CN-V1
Measure voltag e
1-2 24Vdc
CN-DEMAND
Measure voltag e
1-3 24Vdc
IPM (Input / Output)
Measure voltag e
P & N, N-U,
280Vdc - 340Vdc
N-V, N-W
OUTDOOR AIR TEMP. SENSOR (THERMISTOR)
t°
t°
PIPING TEMP. SENSOR (THERMISTOR)
t°
COMPRESSOR TEMP. SENSOR (THERMISTOR)
M ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
ELECTRO-MAGNETIC COIL
(4-WAY VALVE)
RED
BLU
MS
3~
YLW
COMPRESSOR
WHT
PNK
BLK
RED
YLW
MS
3~
BLU
FAN MOTOR