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Blower, function - GF83.10-P-2102-02GH

Function 

Different control voltages are provided at the blower (M2) via the series resistors depending on the blower switch setting. This produces different blower (M2) speeds.

Pin assignment of series resistor assembly R14 Assigned resistor Blower switch setting Blower (M2) control voltage
Pin 1 R3 Blower level 3 10V
Pin 2 R2+R3 Blower level 2 8V
Pin 3 R1+R2+R3 Blower level 1 4V
Pin 4 None Blower level 4 12V
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