Johnson Controls S66AA-1 Control Freon and a step-by-step instruction sheet

and a step-by-step instruction sheet for field installation

Being a general-purpose unit

To ensure proper operation and prevent debris from settling

While cleaning with a light abrasive can temporarily restore signal

Johnson Controls S66AA-1 Control Freon and a step-by-step instruction sheetThe Johnson Controls S66AA 1 is a professional grade electronic fan speed control designed for modulating condenser fan motors in HVACR systems. This motor controller operates on a multi tap voltage range of 120 277 Vac and accepts a 1 10 Vdc input signal or 20 30 Vac low voltage input to precisely manage head pressure. A critical field proven feature is the integrated hard start feature, which ensures the motor overcomes initial inertia by delivering