Bacharach 2072-0400 - Manual (Page 30)

Operation MAC2000
3.9 System Set Up
When the MAC2000 is initially turned on for the first time, the unit
automatically enters its System Set-Up mode. The unit must then be
set up by following the on-screen prompts before it can be used.
To change the data that was entered during the initial set-up process,
or to perform other functions such as clearing job history or
recalibrating the pressure transducers, re-enter the System Set-Up
mode 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 to display Menu 2. Then press
the System set-up function key.
3. Follow the on-screen prompts to enter the following data or
perform the following procedures:
• Time & Date
• Language
• Use Metric units (Yes or No)
• Calibrate Pressure Transducers (remove service hoses from the
unit’s Service Hose Fittings and follow on-screen prompts)
• Elevation above sea level
• Clear error flags
• Clear job totals
• Clear job history
• Print data after every job
4. Press the Reset key at any time to save the settings and return to
the Main menu.
3.10 Identify Refrigerant
Before performing any maintenance work a technician can determine
the following information about the vehicle’s refrigerant
• Whether the refrigerant in the A/C system
can or cannot be recovered
• % R-134a
• % R-22
• % R12
• % Air
• % HC (Hydrocarbons)
26 Instruction 2072-0400