4-9
4.6 Refrigerant Recovery and Charge
Work Service port Notes
Operation
Pressure
cheek
High pressure ②
Low pressure ①
Refrigerant recovery ① & ④ Recover all refrigerant from ports ④ and ①.
Vacuum and dehydration ① & ④ Vacuum and dehydrate from ports ④ and ① after recovering.
R134a
Refrigerant
charge
(Refer to note
1 of specified
charge amount
of refrigerant.)
(1) Liquid
charge
④
Charge liquid refrigerant from port ④ after vacuum and
dehydration.
All specified charge amount of refrigerant can not be charged.
(2) Gaseous
charge
①
By operating unit, charge gaseous refrigerant from port ① for
the rest of specified charge amount of refrigerant.
Charging liquid refrigerant from port ① causes malfunction of
the compressor.
Note 1. Confirm specified charge amount of refrigeration indicated on model name plate.
The model name plate is mounted on the compressor chamber (behind of cable box).
EEV
HSV
LSV
DMV
LPT
CFM
③
①② ④
Compressor chamberValve chamber
③
①
②
④
04章LX10F11B3TR16-02En.indd4-904章LX10F11B3TR16-02En.indd4-9 2016/02/0316:22:022016/02/0316:22:02