43
10.2.2 CU-Z25VKR CU-Z35VKR
t°
t°
t°
TO INDOOR UNIT
SINGLE PHASE POWER SUPPLY
REACTOR
BLK
BLK
WHT
WHT
YLW/GRN
GROUNDING TERMINAL
RED
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
DATA
(RED)
AC-BLK
(BLK)
AC-WHT
(WHT)
FG1
(GRN)
FG2
(GRN)
PFC CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING POWER
SUPPLY CIRCUIT
FUSE 103
(20A 250V)
FUSE 104
T3.15A L250V
FUSE 101
T3.15A L250V
FUSE 2
(20A 250V) (20A 250V)
FUSE 3
GRN
GRN
123
TERMINAL
BOARD
LN
CN–TH1
(WHT)
CN–TANK
(WHT)
1
4
1
3
OUTDOOR AIR TEMP. SENSOR (THERMISTOR)
PIPING TEMP. SENSOR (THERMISTOR)
COMPRESSOR TEMP. SENSOR (THERMISTOR)
CN–HOT
(WHT)
1
3
ELECTRO-MAGNETIC COIL
(4-WAY VALVE)
ELECTRONIC CONTROLLER (MAIN)
RAT2
(GRY)
GRY
RAT1
(GRY)
GRY
ELECTRONIC CONTROLLER
CN-OPT
(WHT)
1
BLK
GRN
(GRN)
AC_GND
NOISE FILTER
CIRCUIT
CN-V1
(WHT)
CN-PWR
(WHT)
CN-DEMAND
(WHT)
CN-DEMAND
(WHT)
2
2
1
1
1
1
3
3
RED
BLK
WHT
WHT
WHT
YLW
ORG
RED
BRW
DRM
C
3
2
1
TERMINAL
BOARD
SOUND PROOF
BOARD
TO DRED
4
7
EXPANSION
VALVE
10
7
6
5
4
3
2
1
6
5
4
3
2
1
11
12
13
14
15
16
CN-STM
M
G4
G4
C174
13V
IC4
5V
R14
10k
G2
1
2
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.
G1
ZD501
R506
2k
R505
NONE
G1
ZD502
R504
2k
R503
NONE
R507
10k
D502
D503
D504
D505
G1
D506
NONE
C507
NONE
PC501
1
2
4
3
24V_1
PC502
24V_1
R508
10k
D507
NONE
C508
NONE
1
2
4
3
5V
G5
C5
1u
KB
10V
R1
4.99k
1%
24V
G10_1
5V
G5
G5
R11
15.8k
1%
B1
C9
1u
10V
KY
C88
220u
10V
R12
15k
1%
B1
C10
1u
10V
5V
R468
10k
R467
10k
RED
RED
BLU
BLU
BLK
PNK
WHT
YLW
YLW
U (RED)
V (BLU)
W (YLW)
U
V
W
P
N
Q1
COMPRESSOR
MS
3~
1
1
3
5
3
W
10
14
16
IC25
V
U
CN-MTR2
(WHT)
CN-MTR1
(RED)
MS
3~
FAN MOTOR
5V
C400
10u
25V
B3
G5
G5
C401
0.01u
50V
B1
R600
1k
G5
D20
1A5
G2
15V
e
c
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