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Home >> Volkswagen >> 2018 >> Beetle S, 2D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (General, Technical Data (Refrigerant R134A General Information) (Convertible)) >> 00 General, Technical Data >> Refrigerant Circuit General Information >> Electrical Components Not On Refrigerant Circuit >> A/C Programmer -J127-

A/C Programmer -J127-

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Fig 1: A/C PROGRAMMER -J127-
GWWV87-1452Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

This programmer switches the refrigerant flow direction through the second evaporator if the temperature on the cooling fins on the second evaporator lowers to the freezing point for water (icing protection).