MAHLE RTI Matco AC2880 - Manual (Page 10)

Page 8
Data Entry & Error Messages
DEEP VACUUM
1. Connect red and blue hoses to A/C and open valves.
2. Turn on power.
3. Press [ >] key two times.
4. Observe displays as shown to the left and enter data when
prompted.
5. Press [ #] key to move from one display to the next.
A/C HAS PRESSURE - GO TO RECYCLE (Note A)
This message will be displayed if there is still refrigerant in the
A/C. This refrigerant must be recycled before a deep vacuum
can be performed.
ENTER VACUUM TIME
Sets total time a vacuum will be drawn on the A/C.
PERFORM VACUUM LEAK TEST (Note B)
Yes - process will stop to allow checking for leaks. The display
will show total time since the vacuum pump shut off. A leak is
indicated if by an increasing pressure on the gauges.
CLOSE VALVES AND ADD OIL NOW (Note C)
Yes - process will stop so that oil can be added. Attach a filled
oil charge bottle to the oil charge port. When prompted, close
In/Out valves and open the valve on the bottle until the desired
amount of oil is drawn into the A/C. Go immediately to the
charge process.