Wiring Diagram Indoor Unit; Outdoor Unit - Hitachi RAK-25NH4 Service Manual

WIRING DIAGRAM
MODEL RAK-25NH4 / RAC-25NH4
RAK-35NH4 / RAC-35NH4
RAK-50NH4 / RAC-50NH4
INDOOR UNIT
TERMINAL
CONNECTING CORD
BOARD
FROM OUTDOOR UNIT
C
(BROWN) BROWN
D
(RED) RED
GREEN &
YELLOW
INDOOR ROOM
BLACK
TEMPERATURE
BLACK
THERMISTOR
GRAY
HEAT
GRAY
EXCHANGER
THERMISTOR EEPROM / TEST
CN12
MAIN P. W. B.
CN5 CN9
HA
1 2 3 4 5 6 7 8 1 2 3 4 CN4 CN11
C1 C2 M1 M2
4 LINES 5 LINES
9 LINES

OUTDOOR UNIT

STEPPING
MOTOR
M
M
INDOOR
FAN MOTOR
WIRELESS
REMOTE CONTROLLER
RECEIVER
P. C. B.
CN3A
CN2A
CN2
LED
P. C. B.
COMPRESSOR
WHT YEL RED
WHT YEL RED
U V W
CN14
SYSTEM POWER
YEL
MODULE 2
L2
REACTOR C503
C501 C502
CN13
L1
YEL
CN11
CN12
DIODE
GRY RED
STACK
BLU
YEL
ICP RELAY
CN12
R007 R008
POWER
3A FUSE
RELAY
R002
C006
COIL
C007
R001
C012
NF
C014
COIL 1
C003
C001 C002
VARISTOR1
L001 CT1 DIODE
STACK
25A
VARISTOR3
FUSE
SURGE
ABSORBER
BLK GRN WHT BRN
TERMINAL
L N C
BOARD
(BLK) (WHT) (BRN) (RED)
(GRN+YEL)
CONNECTING
CORD
SINGLE PHASE
AC220~230V
50Hz
GRY
CN10
RED
GRY
OUTDOOR
TEMPERATURE
THERMISTOR
GRY
CN9
BLU
GRY
DEFROST
THERMISTOR
RED
CN8
10
WHT
CN14
RED
OH
THERMISTOR
5
CN13
CN15
WHT
5
CN11
ELECTRIC EXPANSION
2A FUSE
VALVE
RED
BLK
VARISTOR2
M
WHT
CN6
YEL
WHT
C008
BLU
C013
FAN
C015 L002
MOTOR
GRN
C010
R010
POWER
REVERSING
CIRCUIT
R011
C011 VALVE
BLK
CN2
BLK
MAIN P.W.B. RED
RED
THERE ARE SOME LEAD WIRES
WHICH HAVE SPIRAL STRIPES
D
WITH WHITE IN ADDITION TO
THE ORIGINAL COLOR
(GRN+YEL)
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