Service Manual

27. 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 has been
reached, continue to vacuum for an additional 10 minutes
to assure that non-condensable gases have been removed.
Then, close the manifold gauge valves.
25. Use the Piercing Valve
already installed in the
service tube of the
compressor.
Proceed with the
evacuation and charging
process of the system.
.
Instructions to Replace Compressor – Vacuum & Charging the System.
26. Attach the hoses of
the manifold gauge to
the vacuum pumps
DISCONNECT UNIT FROM POWER SUPPLY BEFORE DOING ANY SERVICE