For the purposes of this Regulation the following definitions shall apply:

1. 1.

   ‘vehicle type with regard to emissions from air-conditioning systems’ means a group of vehicles which do not differ as regards the refrigerant used or other main characteristics of the air-conditioning system or as regards the evaporator system, whether single or dual;

2. 2.

   ‘type of air-conditioning system’ means a group of air-conditioning systems which do not differ either as regards their trade name or mark of their manufacturer or as regards the leak components included therein;

3. 3.

   ‘leak component’ means any of the following parts of an air-conditioning system or an assembly of such parts:

   1. (a)

      hose including crimping;

   2. (b)

      individual connections, whether male or female;

   3. (c)

      valves, switches and sensors;

   4. (d)

      thermal expansion valves with connections;

   5. (e)

      evaporator with external connections;

   6. (f)

      compressor with connections;

   7. (g)

      condenser with integrated serviceable dryer;

   8. (h)

      receiver/dryer with connections;

   9. (i)

      accumulator with connections;

4. 4.

   ‘type of leak component’ means a group of leak components which do not differ either as regards their trade name or mark of their manufacturer or as regards their main function.

Leak components made of different materials or combinations of different leak components shall be considered as belonging to the same type of leak component, as defined in point 4 of the first paragraph, provided that they do not increase the leakage rate.