Panasonic CS-E7PKR - Outdoor Unit

54
9.2 Outdoor Unit
9.2.1 CU-E7PKR CU-E9PKR CU-E12PKR
G1
R504
2k
D502
D503
D505
D504
24V_1
PC501
*C507
*C508
14
23
PC502
14
23
24V_1
R506
2k
5V
+
*C186
*C178
*C188 *C187
*R311
*R313
G2
*R312
*D20
G2
C9
1
R11
15.8k
5V
G2
C10
1
C88
220
R12
15.0k
G2G2
ELECTRONIC CONTRO LLER
(DEMAND CONTR OL)
CN-OPT
(WHITE)
CN-DEMAND
(WH IT E )
CN-PWR
(WH T )
WHT
WHT
WHT
RED
BLK
AC_GND
(GREEN)
1
1
1
2
3
BLK
GRN
NOISE FILTER
CIRCUIT
AC-BLK
(BLAC K )
FUSE 103 (20A 250V)
AC-WHT (WHT)
FG1
(GRN)
FG2
(GRN)
GRN
GRN
RECT IF IC ATION
CIRCUIT
RECTIFICATION
CIRCUIT
COMMUNICATION
CIRCUIT
SWITC H ING
POWER SUPPLY
CIRCUIT
FUSE 104
T3.15A L250V
FUSE 101
T3.15A L250V
YLW /GRN
TO IND OOR UNIT
SINGLE PHASE
POWER SUPPLY
GROUNDING
TERMINAL
GROUNDING
TERMINAL
TERMINAL
BOARD
TERMINAL
BOARD
L 123N
GRY
PFC
CIRCUIT
ELECTRONIC CONTROLLER
(MAIN)
RAT2
(GRY)
RAT1
(GRY )
GRY
REACTOR
YLW
YLW
FAN
MOTOR
RED
BLU
YLW
(RED )
(BLU)
(YLW)
OUTDOOR AIR TEMP
SENSOR (THERMISTOR)
PIPING TEMP
SENSOR (THERMISTOR)
ELECTRO-MAGNETIC
COIL (4-WAY VALVE)
COMPR ESSO R
CN-HOT
(WH T )
CN-TANK
(WHT )
CN-TH1
(WHT )
COMPRESSOR TEMP
SENSOR (THERMISTOR)
MS
3
~
MS
3
~
3
3
3
2
1
1
4
1
t
t
t
Q1
P
N
U
V
W
1
1
1
5
32
ACN1 (ORG)
RY-HT1
CN-MTR2
(WHT )
CN-MTR1
(WHT)
HT1 (ORG)
CN-V1
(WHT)
CN-DEMAND
(YLW)
ORG
ORG
HEATER
10
1
3
5
14
16
IC19
WHT
WHT
RED
BLK
BLK
YLW
ORG
RED
BRW
DRM
TO
D
R
E
D
C
3
2
1
4
5
6
7
U
V
W
R1
4.99k
G2G2
5V
C5
1
5V
R468
R467
G2
C241
470µ
+
L1
D77
97
5
2
1
10
13
15
14
16
L3
*R438
R437
G1
3
4
LF501
2
1
24V_1
D501
*R501
*C502
*C504
*R502
5V
R14
10k
G2
21
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.
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10 0 10
Te
m
per
a
t
u
re
(
o
C)
Resistance (k )
20 30 40 50
1
2
1
2
Outdoor Air S ensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20 40 60
Temperature (
o
C)
Resistance (k )
80 100 1 20 140