Description
The Johnson Controls P66BAB-1 is a precision-engineered Electronic Fan Speed Control designed for reliable condenser fan management in commercial and light commercial HVAC applications. Featuring a dual input sensor model configuration, this controller continuously monitors system pressure to modulate fan speed and maintain optimal head pressure — even in cold ambient conditions.
Key Features
- Dual input sensor model for enhanced system monitoring and control accuracy
- 190–250 psig operating pressure range for broad refrigeration system compatibility
- 60″ capillary tube for flexible sensor placement and installation versatility
- Start voltage set at 10% of supply voltage for smooth, low-inrush fan motor startup
- Electronic speed control technology reduces mechanical wear and extends fan motor life
- Helps maintain stable head pressure during low ambient temperature operation
- Compact design suitable for rooftop units, condensing units, and packaged equipment
Product Specifications
- Brand: Johnson Controls
- Model / SKU: P66BAB-1
- Control Type: Electronic Fan Speed Control
- Sensor Configuration: Dual Input
- Operating Pressure Range: 190–250 psig
- Capillary Length: 60″
- Start Voltage: 10% of Supply Voltage
Application
The P66BAB-1 is ideal for use in commercial refrigeration and air conditioning systems where precise head pressure control is critical. By modulating condenser fan speed in response to refrigerant pressure, this controller improves system efficiency, reduces energy consumption, and protects compressors from low-pressure faults during cold weather operation.
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