Hitachi RAS-18CH7 Service Manual page 36

COMPRESSOR MOTOR
Compressor Motor Specifications
MODEL
COMPRESSOR MODEL
PHASE
RATED VOLTAGE
RATED FREQUENCY
LOCKED ROTOR CURRENT
POLE NUMBER
CONNECTION
RESISTANCE VALUE
(
EXTERNAL OVERLOAD RELAY
INTERNAL PROTECTOR
S (RED)
C (WHITE)
RAC-18CH7
CAUTION
!
When the Air Conditioner has been operated for a long time with the capillary tubes clogged or crushed or
with too little coolant, check the color of the refrigerant oil inside the compressor. If the color has been
changed conspicuously, replace the compressor.
20°C
(68°F)
75°C
)
(167°F)
R (ORANGE)
RAC-18CH7
SHX33SC4-U
SINGLE
220 ~ 240V
50 Hz
45 A
ORANGE
CAPACITOR
RM = 1.47
RA = 2.88
RM = 1.79
RA = 3.50
NO
YES
S (RED)
C (WHITE)
– 34 –
RAC-24CH7
SHV33YC6-U
45 A
2
WHITE
PROTECTOR
RM
RA
RED
RM = 1.520
RA = 1.632
RM = 1.848
RA = 1.985
NO
YES
RAC-24CH7
M OR R
(ORANGE)