Bacharach 2072-0400 - Manual (Page 18)

Operation MAC2000
Main Menu
Recovery Vacuum Charge Snapshot Next
mode mode mode mode menu
• Recovery mode – Recovers and recycles refrigerant from a vehicle’s
A/C system. This mode is most often used prior to opening an A/C
system to atmosphere to replace a system component.
• Vacuum mode – Removes residual air and moisture from a system
previously opened to the atmosphere. This mode also allows a
technician to verify that the A/C system will hold a vacuum for a
certain length of time.
• Charge mode – Select this mode to add refrigerant to an A/C
system; also most commonly used to “top off” the system.
• Snap-Shot mode – Monitors and records important operating
information including the high- and low-side pressures, ambient
temperatures, A/C vent temperatures, ambient humidity, and
(optionally) vent air flow velocities. This information is used to
diagnose and measure A/C performance before and after service.
• Next menu – Displays Menu 2.
Menu 2
Main System Tank System Next
menu flush refill set-up menu
• Main menu – Returns display to the Main menu.
• System flush – Removes all oil and refrigerant from an A/C system.
This mode is often used prior to retrofitting a system to R-134a.
• Tank refill – Overrides the automatic tank refill function of the
MAC2000 and transfers refrigerant from the external source tank
to the internal storage tank.
• System set-up – Sets up certain operating parameters in order for
the MAC2000 to operate correctly. The set-up information must be
entered prior to operating the MAC2000.
• Next menu – Displays Menu 3.
14 Instruction 2072-0400