Operation CHARM: Car repair manuals for everyone.

Successful Transfer Complete

IMPORTANT: If the transfer of refrigerant stops before complete, refer to Unsuccessful Transfer.

1. Close the high-side valve on the unit control panel. Both valves should now be closed
2. Start the engine. Turn ON the A/C system and let the system run until the readings on the high-side and low-side gauges stabilize.
Compare the readings, the outlet temperatures, the ambient temperature, and the humidity to the A/C performance table. Refer to System Performance Test.
3. With the A/C system running, close the high-side coupler valve.
Disconnect the high-side (red) hose from the vehicle.
4. Open the high-side and the low-side valves on the control panel.
5. Refrigerant from both hoses will be drawn quickly into the A/C system through the low-side (blue) hose.
6. Close the low-side coupler valve and disconnect the valve from the vehicle.