Universal Air SW11222C A/C Trinary Switch

Reliable A/C Trinary Switch for BMW Models

The Universal Air Trinary HPCO CF LPCO A/C Trinary Switch (Part Number SW11222C) is designed to maintain optimal air conditioning system performance in select BMW vehicles. This switch helps regulate compressor operation, ensuring efficient HVAC function in models like the BMW 318i, 325is, and Z3.

• Compatible with BMW 318i, 318is, 318ti, 323i, 323is, 325i, 325is, 328i, 328is, 840Ci, 850Ci, 850CSi, and Z3
• Part Number SW11222C for precise identification and fitment
• Part of the Universal Air Trinary HPCO CF LPCO product line
• Designed for HVAC A/C clutch and compressor systems
• Ensures proper pressure regulation for compressor protection

About the Trinary HPCO CF LPCO Product Line

The Trinary HPCO CF LPCO line from Universal Air focuses on advanced A/C trinary switches that combine high-pressure cut-off (HPCO), low-pressure cut-off (LPCO), and cycling function (CF) into a single component. This integration supports precise control of the compressor clutch, enhancing system reliability and preventing damage due to abnormal pressure conditions. The SW11222C is engineered to meet the specific requirements of BMW HVAC systems within this product line.

Product Description and Functionality

The SW11222C A/C Trinary Switch is a critical component in the air conditioning system of various BMW models. It monitors refrigerant pressure levels and controls the compressor clutch engagement accordingly. By integrating high-pressure and low-pressure cut-off functions with cycling control, this switch helps maintain system balance and prevents compressor failure caused by pressure extremes. Its compatibility with multiple BMW models ensures a precise fit and reliable operation within the vehicle's HVAC system.

Common Applications and Issues Addressed

• Prevents compressor damage due to high or low refrigerant pressure
• Maintains consistent A/C system cycling for optimal cooling performance
• Helps avoid system shutdowns caused by pressure irregularities
• Supports proper compressor clutch engagement in BMW 318i and 325is models
• Ensures reliable HVAC operation in BMW Z3 and 850CSi vehicles

Installation Notes and Tips

When installing the Universal Air SW11222C A/C Trinary Switch, ensure the vehicle's HVAC system is depressurized and the battery is disconnected to prevent electrical hazards. Verify compatibility with your specific BMW model before installation. Proper torque specifications should be followed to avoid damage to the switch or mounting points. It is recommended to inspect the surrounding components for wear or leaks during replacement.

Quality Assurance and Warranty

Universal Air manufactures the SW11222C A/C Trinary Switch to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo rigorous quality control to ensure reliable operation in BMW HVAC systems. For warranty information, refer to the product documentation or contact the manufacturer directly.