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MAC2000 Operation
Perform a refrigerant identity check as follows:
1. If not already done, plug the MAC2000 into a properly grounded
AC outlet; set the Power switch to ON; then wait until the unit
completes its self diagnostics. The screen will display “Select
mode” when ready.
2. Press the Next menu function key twice to display Menu 3. Then
press the Identify mode function key.
3. Hook up the service hoses, open the A/C system’s service-port
valves, and then press the unit’s Start key. At this time the
refrigerant identifier will warm up, zero itself, and then display
the message “Analyzing sample, please wait . . .” When
complete, the results of the identification process will be displayed.
4. Press Reset to exit the identification screen.
5. Close service-port valves, and remove service hoses from vehicle.
6. Press Start to begin recovering the hoses. During the recovery
process the message “Clearing hoses, please wait . . .” is
displayed. After recovery is complete, the Main menu will appear.
3.11 Check Internal Tank for Air
When the MAC2000 remains turned ON during the day, air is
automatically purged from the internal storage tank. A technician,
however, can manually check and purge the internal tank of air and
any other non-condensable gases as follows:
1. If not already done, plug the MAC2000 into a properly grounded
AC outlet; set the Power switch to ON; then wait until the unit
completes its self diagnostics. The screen will display “Select
mode” when ready.
2. Press the Next menu function key twice to display Menu 3. Then
press the Check Tank Air function key.
3. Press the Start key. The refrigerant identifier will first warm up,
zero itself, and then display the message “Analyzing sample,
please wait …” When complete, the results of the identification
process will be displayed.
Instruction 2072-0400 27