Filling via the high-pressure side

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Fig 1: Filling Via The High-Pressure Side

Courtesy of PORSCHE OF NORTH AMERICA, INC.

A close

B open

1 - ON/OFF

2 - HEATING

* Pressure 8 ... 10 bar.

** If pressure is less than 8 bar.

After using the SECU, perform internal suction removal (see Removing refrigerant by suction and cleaning ); first close the hand valves on both suction lines.