TSB : RPM Sensors
Heating, Ventilation & A/C (HVAC)
Details
There are 2 inductive RPM sensors for the flywheel ring gear and compressor shaft. These sensors induce alternating voltage which is used as an input signal to the control unit (overload cut-out). Depending on RPM, the alternating voltage will increase or decrease, thereby varying the input frequency to the control unit.
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