A mechanical coding system for a multiple valve control unit has a number of mounting openings with a deep comb having a method of blocking some channels to provide a code

摘要

The plastic molded valve control unit (1) has mounting openings (2), an electronic control unit (3) and a connecting socket (4). The openings have a comb (5) with a number of extended grooves which may be blocked or free to create a code to ensure the correct unit is selected.