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DISCONNECT UNIT FROM POWER SUPPLY BEFORE DOING ANY SERVICE
Instructions to Replace Compressor – Vacuum & Charging the System.
21. Use the Piercing Valve already
installed in the service tube of
the compressor.
Proceed with the evacuation and
charging process of the system. .
Attach the hoses of the manifold
gauge to the vacuum pumps
.
22. Turn on the vacuum pump to start evacuating the system. This should take up to 20
minutes for the micron gauge to reach 200 microns or less. Once this level is obtained,
continue the vacuum for an additional 10 minutes to assure that non-condensable gases
have been removed. Then, close the manifold valves.
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