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Initial Set-Up MAC2000
7. Attach the yellow refill hose coming from behind the tank to the
source tank fitting. Open the source tank valve. To avoid the
possible of lost refrigerant, the external source tank should be
checked for leakage around the tank valve. If leakage is found,
close the valve and keep it closed at all times except during a
manual tank refill operation as described in Section 3.8.
Bacharach Test Systems does not reimburse for lost refrigerant.
8. Attach the unit’s power cord to 115VAC 50/60 Hz, 15 Amp
grounded outlet. Avoid using long extension cords.
9. Set the main Power switch (located under the handle) to ON.
10. There is a brief initialization period of several seconds. The
technician will be prompted to set-up the following parameters.
(This initial set-up procedure occurs only once when a new unit is
turned on. Subsequent changes can be made using the System Set-
Up mode per Section 3.9 at any time.)
a) Set Date & Time: Press the Enter key to change the date. Use
the Left/Right and Up/Down keys to make adjustments. Press
the Enter key again to save the changes.
b) Select Language: Select the preferred Language.
c) Select Units: English or Metric (English is the Default).
d) Calibrate the Pressure Transducers: Remove high- and low-
side hoses from side of unit; then follow on-screen prompts to
calibrate the pressure sensors.
e) Set Elevation: Enter the unit’s elevation above sea level for
your location ± 500 feet.
11. The MAC2000 now automatically evacuates all air from the
internal circuit and tank, and pre-charges the tank with 12 lbs of
R-134a. This process takes approximately 15 – 20 minutes.
WARNING
Always wear eye protection when working with refrigerants.
Refrigerants can cause injury. Read and follow all warnings at the
beginning of this manual before operating this unit.
CAUTION! R-134a systems have special fittings (per SAE
specifications) to avoid cross contamination with R12 systems. Do not
attempt to adapt your unit for another refrigerant type system, or
failure will result!
12. The MAC2000 is now set-up and ready for operation.
Instruction 2072-0400 10