Panasonic CU-RZ80VKR - Outdoor Unit

47
10.2 Outdoor Unit
10.2.1 CU-RZ25VKR CU-RZ42VKR
t°
t°
CN–TH
(WHT)
CN–TANK
(WHT)
CN–HOT
(WHT)
1
3
1
4
1
3
OUTDOOR AIR TEMP. SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
COMP. TEMPERATURE SENSOR
(THERMISTOR)
ELECTRO-MAGNETIC
COIL
(4-WAYS VALVE)
t°
BLK
YLW
ORG
RED
BRW
DRM
C
3
2
1
TERMINAL
BOARD
TO DRED
BLK
BLK
WHT
YLW/GRN
GROUNDING TERMINAL
WHT
TO INDOOR UNIT
NOISE FILTER CIRCUIT
NOISE FILTER CIRCUIT
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION CIRCUIT
PFC CIRCUIT
SINGLE PHASE POWER SUPPLY
GRN
GRN
GRN
1
3
5
1
3
1
2
1
4
7
1
3
1
3
1
2
IC19
10
W
U
V
W
U
V
W (YLW)
U (RED) RED
COMPRESSOR
V (BLU)
YLW
YLW
YLW
BLU
RED
(GRN)
AC_GND
BLK
WHT
WHT
WHT
14
16
P
N
Q1
FAN
MOTOR
SOUND PROOF
BOARD
RED
GRY
RAT2
(GRY)
GRY
REACTOR
RAT1
(GRY)
DATA
(RED)
AC-BLK
(BLK)
CN-MTR2
(WHT)
CN-OPT
(WHT)
CN-MTR1
(RED)
FUSE101
(20A 250V)
FUSE102
T3.15A L250V
FUSE103
T3.15A L250V
FUSE104
T3.15A L250V
FUSE105
(15A 250V)
AC-WHT
(WHT)
CN-V1
(WHT)
CN-PWR
(WHT)
CN-DEMAND
(WHT)
CN-DEMAND
(WHT)
FG 1
(GRN)
FG 2
(GRN)
LN123
TERMINAL
BOARD
SWITCHING POWER
SUPPLY CIRCUIT
MS
3~
ELECTRONIC CONTROLLER (MAIN)
ELECTRONIC CONTROLLER
CN–STM
(WHT)
1
6
ELECTRO-MAGNETIC
COIL
(EXPANSION VALVE)
M
MS
3~
5V
G5
G6
VJP15
R205
15.8k
1%
R206
15k
1%
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10 0 10
Temperature (
o
C)
Resistance (kΩ)
20 30 40 50
1
2
1
2
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20 40 60
Temperature (
o
C)
Resistance (kΩ)
80 100 120 140
CN-S
The unit tur n to the Rated Frequency Cooling Operati on by short-circuiting CN-S after applyi ng power between the terminal 1 and 2.
Operation of the compressor and the outdoor fan motor can be checked by applying power after shor t-circuiting CN-S.
DC FM
CN-MTR1
1 Feedback output (0 - 5Vdc pulse)
2 5Vdc
3GND
CN-MTR2 (Measure winding resistance / voltage)
1W
3U
5V
~80 ohm / 15Vdc
~80 ohm / 15Vdc
~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 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
R245
*C222
NONE
*C401
NONE
G6
G5
5V
G4A
G4
G5
VJP14
DC0.3
AK
D
G
S
D602
CRH01 (TEM)
*Q604
INJ0203BC1
R209
4.99k
1%
15V
5V
*R220
NONE
10k
*R219
NONE
12k
*R221
NONE
20k
5V
G6
G10_1
24V
R247
*IC3
*C601
0.1u
50V
B
G4A
G4A
4
3
2
1
5
6
7
13
14
15
16
12
11
10
14V
GND
COMMON
9
8
*IC3
KID65003AP
KID65003AP
R248
R249
R250
D502
1SS355
1SS355
1SS355
1SS355
D503
D504
D505
G1
G1
G1
G1
ZD502
30V
ZD501
30V
*R505
NONE
*R503
NONE
*D506
NONE
*D507
NONE
*C507
NONE
*C508
NONE
*C504
NONE
PC501
TLP421
(BL.J)
1
2
4
3
PC502
TLP421
(BL.J)
1
2
4
3
LF501
3
4
2
1
24V_1
24V_1
24V_1
D501
1A5
R506
2k
1W
DCH
C506
1000p
3k V
DCH
C505
1000p
3k V
DCH
C503
1000p
3k V
DCH
C501
1000p
3k V
R504
2k
1W
R507
10k
1/10 W
R508
10k
1/10 W
1
2
5V
R14
10k
G2