Global Parts 1711827 A/C Trinary Switch

Overview of Global Parts A/C Trinary Switch for Saab 9000

The Global Parts A/C Trinary Switch, part number 1711827, is designed specifically for Saab 9000 models. This component plays a critical role in the HVAC system by monitoring pressure levels and controlling the compressor clutch and cooling fan operation.

• Type: Trinary normal open switch
• Connection: 3/8"-24 male fitting
• High-pressure operation: Opens at 384 psi
• Low-pressure operation: Opens at 28 psi
• Fan control functionality included

Technical Details and Functionality

The A/C Trinary Switch 1711827 from Global Parts is engineered to maintain optimal pressure within the air conditioning system of Saab 9000 vehicles. It features a trinary normal open design, which means it monitors both high and low pressure conditions and activates the compressor clutch and cooling fan accordingly. The 3/8"-24 male fitting ensures a secure and precise connection within the HVAC system. The switch opens at 384 psi on the high-pressure side to prevent overpressure damage and at 28 psi on the low-pressure side to protect against refrigerant loss or compressor damage. Additionally, it controls the fan to maintain proper system temperature and efficiency.

Applications and Problem Resolution

This A/C Trinary Switch is compatible with Saab 9000 models and is used to address several common HVAC issues:

• Prevents compressor damage due to abnormal high or low pressure
• Ensures proper fan operation for system cooling
• Protects against refrigerant leaks by monitoring pressure thresholds
• Maintains efficient air conditioning performance
• Helps avoid costly HVAC system failures

Installation Notes and Tips

When installing the Global Parts A/C Trinary Switch 1711827 on a Saab 9000, ensure the system is depressurized and the vehicle is turned off. Use appropriate tools to remove the old switch and install the new one with the 3/8"-24 male fitting securely tightened. Verify that all connections are leak-free and test the HVAC system for proper compressor clutch engagement and fan operation after installation.

Quality Assurance and Warranty

Global Parts manufactures this A/C Trinary Switch to meet OEM specifications for Saab 9000 vehicles. The part number 1711827 undergoes quality control to ensure reliable performance under normal operating conditions. While specific warranty details are not provided, Global Parts typically offers coverage against manufacturing defects. Consult the product documentation or supplier for exact warranty terms.