Installation guide
155
COMMISSIONING
ENGLISH
When selecting a vacuum, you should select one which is capable of achieving 0.2 Torr of
ultimate vacuum.
Degree of vacuum is expressed in Torr, micron,mmHg, and Pascal (Pa). The units correlate as
follows:
2. Charge of refrigerant
You should be charged after vacuum.
You can see amount of refrigerant at quality label.
Please to charge at cooling mode when there is not full charging.
Refrigerant
cylinder
SVC Port
Manifold gage
Unit
Standard atmospheric
pressure
Perfect vacuum
Gage Pressure Pa 0 -1.033
Absolute Pressure Pa 1.033 0
Torr Torr 760 0
Micron Micron 760000 0
mmHg mmHg 0 760
Pa Pa 1013.33 0