Hitachi RAF-50RPA Service Manual page 30

CAUTION
!
When the refrigerating cycle has been operated for a long time with the capillary tubes clogged or crushed
or with too little refrigerant, check the color of the refrigerating machine oil inside the compressor. If the
color has been changed conspicuously, replace the compressor.
5Ý&
75 Ý&
(V)
YELLOW
(W)
RED
WHITE
30
RAC-50FPA
2M= 1.65
2M= 1.97
(U)