Description
The International Comfort Products NASA401LA is a Low Ambient Fan Cycling Kit engineered to maintain reliable condenser operation during cold outdoor temperatures. By cycling the condenser fan motor based on refrigerant head pressure, this kit prevents low-pressure faults and compressor issues that can arise when ambient temperatures drop — keeping your system running efficiently year-round.
How It Works
This kit uses a pressure-actuated control to switch the condenser fan motor off when head pressure falls to 200 PSI and back on when pressure rises to 365 PSI. This cycling action maintains adequate head pressure in the refrigerant circuit, protecting the compressor and ensuring proper system performance even in low ambient conditions.
Key Features
- OEM International Comfort Products replacement low ambient kit
- Fan cut-out (OFF) setpoint: 200 PSI
- Fan cut-in (ON) setpoint: 365 PSI
- Pressure-based condenser fan cycling for low ambient temperature operation
- Protects compressor from low-pressure faults during cold weather
- Designed for direct OEM replacement on compatible ICP equipment
- Helps maintain system efficiency and reliability across a wide range of outdoor temperatures
Applications
- International Comfort Products (ICP) residential and light commercial cooling systems
- Systems operating in climates with cold seasonal temperatures
- Replacement or upgrade for existing low ambient fan cycling controls
Why Low Ambient Kits Matter
Without proper head pressure control, air conditioning and heat pump systems can experience nuisance low-pressure trips, poor cooling performance, or compressor damage when outdoor temperatures are low. The NASA401LA ensures the condenser fan cycles correctly to maintain the refrigerant pressures needed for safe, efficient operation.
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