MasterCool COMMANDER 1000 Manuel D'instructions page 24

4. Open the couplers by turning them clockwise, press next.
5. Open the Machine valves. Press next.
6. The machine will now charge the programed amount of refrigerant. The Refrigerant charge
screen will be displayed. This screen will display the amount of refrigerant in the internal tank,
the refrigerant being charged, the total amount of refrigerant programmed, the tank pressure,
temperature and vehicle pressure. When the charge is finished "process complete" will be displayed
and the visual indicator will turn green.
End of Charge / Hose Clearing Process:
This process allows for the verification of the operating AC pressures and the removal of refrigerant
from the hoses into the internal tank. The machine will then perform a short vacuum to prepare for
the next vehicle. Follow the instruction on the screen.
1. Close the high and low side valves on the machine, press next to continue.
2. Start the vehicle engine and turn AC system on high, press next to continue.
3. Verify the high and low side system pressures. Press next to continue.
4. Turn off the vehicle and allow the AC system pressures to equalize.
5. Close and remove the high side coupler. Press next to continue.
6. Start the vehicle, turn the AC system on high. Press next.
7. Open the valves on the machine. Press next.
8. Allow the AC system pressures to equalize. Press next.
9. Close and remove the low side coupler, turn off the vehicle. Press next.
10. Hose clearing will be displayed. The tank graphic with weight will be displayed. The tank
pressure and temperature will be displayed.
11. The machine will recover any residual refrigerant and ready itself for the next vehicle.
12. Process Completed, will be displayed when finished.
WARNING: This product can expose you to chemicals including lead and Di (2-ethylhexyl) phthalate, which
are known to the State of California to cause cancer and birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov
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If you have difficulty with a procedure please call
Mastercool's Technical Service at 973-252-9119
www.mastercool.com