Vacuum & Charge Of Refrigerant - LG Therma V HM091MRS Installation Manual

COMMISSIONING
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Vacuum & Charge of Refrigerant
By default, the product was charged of refrigerant.
Vacuum and refrigerant charge, If there is leak refrigerant.
1. Vacuum
To work of vacuum action. when the leak of refrigerant.
Pressure
gage
When selecting a vacuum, you should select one which is capable of achieving 0.2 Torr of
ultimate vacuum.
Gage Pressure
Absolute Pressure
※ 0 Pa
=1 atm=760 Torr=760 mmHg=1 013.25 hPa
(gage)
Manifold valve
Lo Hi
Open Close
Vacuum pump
(0.5 ~ 1 HP)
Unit
Pa
2
kgf / cm
SVC Port
Manifold gage
Standard atmospheric
pressure
0
1.033
Perfect vacuum
-1.033
0