Introduction
This document provides essential information for the Lennox SL22KLV Series Outdoor Units. It serves as a comprehensive guide for installation, operation, maintenance, and troubleshooting. The SL22KLV is a high-efficiency split system air conditioner designed for use with R454B refrigerant and features a variable capacity R-scroll compressor.
Proper installation and servicing are crucial for optimal performance and safety. Always refer to the latest version of this manual and consult with qualified HVAC professionals. For detailed specifications, component arrangements, and diagnostic procedures, please refer to the relevant sections within this document.
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Key Features and Considerations
- High-efficiency split system air conditioner.
- Variable capacity R-scroll compressor.
- Designed for use with R454B refrigerant.
- Requires an approved indoor air handler or coil for system matching.
- Adherence to national and local codes is mandatory.
- Safety warnings and precautions are highlighted throughout the document.
Safety First
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, personal injury, or loss of life. Installation and service must be performed by a licensed professional HVAC installer or equivalent service agency.
IMPORTANT: Always follow lock-out/tag-out procedures before performing maintenance. Ensure all power is disconnected and controllers are set to the "OFF" position.
CAUTION: Handle equipment with care to avoid personal injury from sharp sheet metal edges. Wear gloves and protective clothing.
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