199001430 - E6020 AIR CONDITIONER - FUNCTIONAL DESCRIPTION (Manual air conditioning)
FUNCTIONAL DESCRIPTION
Fan N85 si supplied from a line protected by fuse F18 of engine compartment control unit B1 and from relay T5 of B1: this is an "ignition-operated except during start-up (INT/A)" supply controlled from pin 13 of connector A of M1.Control knob H81 controls the fan at different speeds via regulator O30: the command signal varies according to the position of the control knob and the resistances of regulator O30 to determine four different voltage signals for the fan N85 which turns at 4 different speeds.the fan N85 is operated at the first speed if the compressor engagement button is pressed, even if the control knob H81 is in position "0" See E6021 COMPRESSOR ENGAGEMENT |