Wiring Diagram - Hitachi RAC-18SX8 Service Manual

WIRING DIAGRAM

MODEL RAS-18SX8 / RAC-18SX8
INDOOR UNIT
FRONT PANEL
OPEN/CLOSE
DETECTION
SWITCH
SINGLE PHASE
BLK
AC220V-230V
50Hz
CN13
CN6
GRN
(GRN+YEL)
L010
3A-
1P-TERMINAL
FUSE
BOARD
BRN
BLK
POWER
BLU
RELAY
RL001
BRN
A
BLK
B
WHT
WHT
CN21
C
RED
RED
CONTROL P. W. B.
RED
THERMAL CN3
FUSE(102℃)
RED
3P-TERMINAL
BOARD CN15(BLK)
ROOM
BLK
TEMPERATURE
THERMISTOR
BLK
YEL
CN4
HEAT
M M
EXCHANGER
GRY
THERMISTOR
VERTICAL VERTICAL
GRY
SWEEP SWEEP
MOTOR1 MOTOR2
(SMALL) (BIG)
BLU : BLUE WHT : WHITE
YEL : YELLOW GRY : GRAY
BRN : BROWN ORN : ORANGE
CAUTION
The marked parts
important ones for safety.
WIRELESS
REMOTE
SWITCH
CONTROL
P. W. B.
TWO-WAY
VALVE
INDICATING
P. W. B.
WHT
7
( ONLY (
12 BLK
BLK GRY
1PIN : YEL GRY
CN17
CN16
CN1
( HOUSING : GRY (
SHROUDED
HEADER : WHT
TH001
D001
+
DB1
-
POWER CIRCUIT
CN12 CN18
CN14
4
WHT
BLK RED BLU
HIGH
M M
M
VOLTAGE
GENERATION
HORIZONTAL HORIZONTAL
FRONT DEVICE
SWEEP SWEEP
PANEL
MOTOR1 MOTOR2 MOTOR
ION MIST
UNIT
GRN : GREEN
RED : RED
BLK : BLACK
are very
COMPRESSOR
CLEANING UNIT
POSITION DETECTION
SWITCH
CLEANING UNIT
DRIVING MOTOR
M
RED
2 BLK
YL TAB3-4
CN10 BLK CN8 RED
BL
L2
CN7
L1
RED
BLK
M
Cr
WHT
YEL
BLU BL
INDOOR
YL TAB2
FAN MOTOR
RED
BLK
PELTIER
RED
ELECTRODE
RED GRN
BLK ELECTRODE
TERMINAL
BOARD
OUTDOOR UNIT
WH
WH
U
OUTDOOR
COMPRESSOR
YL V
YL
FAN MOTOR
POWER
POWER
MODULE
RD RD
W
MODULE
P N
F4
+
+
(FUSE 2A)
- -
C022
C021
+
DB601
∼ ∼
-
+
DB602
∼ ∼
F3
-
(FUSE 1A)
C006 C007
RL2
C004 C005
+
C011
∼
NF1 DB1
C003
L002
C013 C014
CONTROL
C001 C002 P. W. B.
VS1
V
S
2
CT1
L001
F1
SA
(FUSE 25A)
GN
BK WH RD
A B C
WH RD
BK
CONNECTING CORD
CN24
WH
U
RD
V WH
M
W BK
OUTDOOR
FAN MOTOR
P N
WH
CN15
YL
OR
RD
BL
BR
POWER
RD
CIRCUIT
ELECTRIC
EXPANSION VALVE
CN2
REVERSING VALVE
RD
RD
∼
GR
-
R441
RL1
CN30
SELF-CHECK
WH
OUTDOOR TEMPERATURE
THERMISTOR
GR
CN10
GR
RD
DEFROST
THERMISTOR
CN9
GR
GR
BK
OVER HEAT THERMISTOR
CN8
RD
RD
WH
GN
BL : BLUE RD : RED
BK : BLACK WH : WHITE
GN : GREEN YL : YELLOW
GR : GRAY BR : BROWN
OR : ORANGE
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