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Johnson Controls Other P66AAB-38

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P66AAB-38

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The Johnson Controls part number P66AAB-38 is designed as an electronic fan speed controller for various HVAC applications. This controller is compatible with R-410A refrigerant and can handle a broad voltage rating, making it adaptable for different systems.

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Technical specifications for P66AAB-38

ManufacturerJohnson Controls
Product TypeElectronic fan speed controller
Product LineOther
Part NumberP66AAB-38
Capillary Length60 in. (1,524 mm)
Refrigerant CompatibilityR-410A
Operating Pressure Range360 to 450 psig (2,482 to 3,103 kPa)
Voltage Rating208/240/277/480 VAC
Input Voltage Frequency60 Hz
Control Voltage24 VAC, 1 VA
Current Rating8.0 A FLA at 208/240VAC; 6.9 A FLA at 277VAC; 4.0 A FLA at 480VAC (series-level)
Operating Temperature Range-40°C to 66°C
Storage Temperature Range-40°C to 85°C
Effective Throttling Range90 psi (621 kPa)
Maximum Working Pressure500 psig (3,447 kPa)
EnclosureNEMA 1
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The P66AAB-38 electronic fan speed controller from Johnson Controls is engineered to manage HVAC system fan speeds effectively. It operates with a capillary length measuring 60 inches, making it suitable for various installation environments. The device is compatible with R-410A refrigerant and maintains operational pressure between 360 and 450 psig, translating to approximately 2,482 to 3,103 kPa.

Its versatility extends to a voltage ratings spectrum that includes 208, 240, 277, and 480 VAC, ensuring it can be integrated into numerous electrical systems. This control module has an input frequency of 60 Hz, ensuring standard operational efficiency.

For effective fan control, the P66AAB-38 runs at 24 VAC with a low power requirement of just 1 VA. The current ratings vary based on the voltage applied, featuring an FLA (Full Load Amperage) of 8.0 A at 208/240 VAC, 6.9 A at 277 VAC, and 4.0 A at 480 VAC.

In terms of environmental resilience, this unit operates efficiently in temperatures ranging from -40°C to 66°C, and it can be stored in temperatures from -40°C to 85°C. The effective throttling range is calibrated to 90 psi (621 kPa), while it can withstand a maximum working pressure of 500 psig (3,447 kPa). Finally, this model is housed in a NEMA 1 enclosure, providing a suitable level of protection for indoor applications.