Volkswagen Polo Service & Repair Manual: Refrigerant Circuit with Expansion Valve and Evaporator

Refrigerant Circuit Design

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Refrigerant Circuit with Restrictor and Reservoir

1 -  A/C Compressor 2 -  Condenser 3 -  Restrictor 4 -  ...

Other materials:

Refrigerant Circuit with A/C Service Station, Filling
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...

Controls for the air conditioning system
Fig. 125 In the centre console: air conditioning controls (manual) Fig. 126 In the centre console: Climatronic controls First read and observe the introductory information and safety warnings Press the corresponding button to switch a function on or off. When a function is switched on, ...

Flushing Not Necessary
  Note For vehicles with an electrically-driven A/C compressor, de-energize the high voltage system before removing the A/C compressor. Refer to → Electrical System Hybrid; Rep. Gr.93. –  Dischar ...