The Johnson Controls P266ACA-100C is a single-phase electronic condenser fan speed control designed to regulate fan motor speed based on refrigerant pressure.

*The control module does not have a built-in sensor and cannot function without an external proprietary P266 series stainless steel pressure transducer.*

Key Features and Specs:

• Voltage: 208/240 VAC, 50/60 Hz (Single-Phase)

• Amperage: 8 Amps maximum output current

• Enclosure: NEMA 3R (IP54) rainproof metal heat-sink enclosure for outdoor use

• Sensor requirement: Uses remote-mount P266 series pressure transducers (ordered separately)

• Stepless Modulation: Continuously adjusts fan speed to maintain stable head pressure regardless of outdoor temperature changes.

• Adjustable Settings: Features configurable start and end points for pressure and voltage.

• Low-Speed Mode: Optional low-speed capacitor support for quieter, energy-efficient operation.

• Applications: Common in commercial refrigeration, air conditioning, and computer room cooling units

• System: Any that use a single-phase Permanent Split-Capacitor (PSC) motor.

• Motors: Any with condenser fan motors that offer "speed controllable" or "variable speed" PSC models rated up to 8 Amps at 208/240V.

• Direct Legacy Replacements: P66, S66 (S66AA-1C) and P215 series