Bacharach 2072-0400 manual 3.9System Set Up, 3.10Identify Refrigerant

Operation MAC2000

3.9System 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-upfunction 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.

3.10Identify 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