Hitachi RAD25QH4, Service Manual

Page: 90 / 293

Ð 88 Ð
OUTDOOR UNIT
H
I
C
A
H
I
C B
CN1
CN9A CN9B
CN8
CN14B
CN13B
CN1
1B
CN14A
(GR
Y
)
CN13A
(WHT
) CN1
1A
(GR
Y
)
(BLU
)
(BLU
)
(BLU
)
CN4A
(WHT
)
CN5A
(BLU
)
CN7A
(WHT
)
CN4B
(YEL
)
CN5B
(BLK
)
(BLU
)
(GR
Y
)
(BLU
)
(WHT
)
MAIN
P.
W
.B.
CN6A
(RED
)
(4
)
(4
)
R003
R002
C009
25A
FUSE
C003
C002
C001
C012
CT
-B
C010 C011
C013
C014
L004
L006
L001
CT
-A
R001
R004
ABSORBER
VARIST
OR1
VARIST
OR2
NF
COIL1
5A
FUSE
POWER
RELA
Y
A
RELA
Y
A
ICP
RELA
Y
B
ICP
POWER
RELA
Y
B
L005
SURGE
+
DB1
C015
-
VARIST
OR3
SWITCHING
POWER
MAIN
P.
W
.B.
SUPPL
Y
FOR
GRN
GRN GRN
YEL (SP
)
5
5
10
+ -
DIODE
〜
-
+
〜
CN14
CN13
CN1
1
L1
L2
U
V
W
ST
ACK
B
GR
Y
RED (SP
)
BLU
(SP
)
BLU
BLU
BLU
330μF×3
CAP
ACIT
OR
SMOOTHING
POWER
MODULE
B
SYSTEM
COMPRESSOR
B
WHT YEL RED
YEL
RED (SP
)
BRN (SP
)
(SP
)
REACT
OR
B YEL
YEL
- +
- +
-
+
(BRN
)
(RED
)
(GRN+YEL
)
INDOOR UNIT
3
CN3
(BLK
)
C3 D3
BRN
(SP
)
RED
(SP
)
11 11
WHT
WHT
BLK BLU
WHT WHT WHT WHT
CN1
CN9A CN9B CN8
M M M
3AFUSE
+
C201
-
CN21A
CN16B CN15A CN16A
CN21B
BEN5V
-B
BEN12V
-B
35V
-B
(BLK
)
(RED
)
(BLU
)
(GR
Y
)
(BLU
)
(WHT
)
(RED
)
(YEL
)
(BLU
)
YEL
YEL
YEL
YEL
WHT YEL ORN BLU BRN RED WHT YEL ORN BLU BRN RED WHT YEL ORN BLU BRN RED
(CYCLE
B
)
(CYCLE
A
)
(CYCLE
A
)
REVERSING
VA
LV
E
B
REVERSING
VA
LV
E
A
ELECTRIC EXP
ANSION
VA
LV
E
3
ELECTRIC EXP
ANSION
VA
LV
E
2
ELECTRIC EXP
ANSION
VA
LV
E
1
SW
POWER
P.
W
.B.
SWITCHING
POWER
SUPPL
Y
FOR
B
CYCLE
INDOOR
UNIT
NO
3.
SWITCHING
POWER
CYCLE
INDOOR
UNIT
NO
1
AND
2.
BEN5V
-A
35V
-A
BEN12V
-A
SUPPL
Y
FOR
A
EXPANSION VALV E DRIVE
CIRCUIT(CYCLE B)
EXPANSION VALV E DRIVE
CIRCUIT(CYCLE A)
(BRN
)
(RED
)
(GRN+YEL
)
(BRN
)
(RED
)
(GRN+YEL
)
INDOOR UNIT
2
INDOOR UNIT
1
CN2
(WHT
)
BRN RED BLU
C1 D1 C2 D2
YEL
WHT WHT
L N
BLK WHT
AC230V 50Hz
(BRN
)
(BLU
)
(GRN+YEL
)
TERMINAL
BOARD
POWER SOURCE
(SP
)
FA
N
MOT
OR
CN10
6
CN12 CN22
M
(WHT
)
(WHT
)
(BLK
)
WHT
WHT
YEL
YEL
RED
RED
FM
P.
W
.B.
HIC3
WHT
DRIVE CIRCUIT
CN10
(BLK
)
EXP
ANSION
VA
LV
E
THERMIST
OR
A
OVERHEA
T
THERMIST
OR
A
DEFROST
THERMIST
OR
A
OUTDOOR
TEMP
THERMIST
OR
A
OVERHEA
T
THERMIST
OR
B
DEFROST
THERMIST
OR
B
(NARROW
PIPE
1)
(WIDE
PIPE
1)
(WIDE
PIPE
2)
(NARROW
PIPE
2)
PIK
PIK
BLU
BLU
RED
RED
RED
RED
BLK
BLK
GR
Y
G
R
Y
BLU
BLU
PIK
PIK
BLK
BLK
BLK
L2
L1
10
5
5
DIODE
330μF×3
CN12
-
〜
〜
+
ST
ACK
A
GR
Y
YEL
BLU
RED
REACT
OR
A
YEL
YEL
SYSTEM POWER
MODULE
A
(WHT
)
SMOOTHING CAP
ACIT
OR
WHT YEL RED
WHT YEL RED
COMPRESSOR
A
WHT
BLK
-
+
-
+
- +
CN14
CN1
1
CN13
+ -
W
U V
REACT
OR
C
TERMINAL BOARD
BLU
YEL
BLU
(SP
)
YEL
(SP
)
TERMINAL BOARD
※
※(SP) : Strip