Vacuum & Charge Of Refrigerant - LG THERMA V HM141MR Installation Manual

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)
* The feature may be vary according to the type of model.
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
COMMISSIONING
261
Perfect vacuum
-1.033
0