Lennox CBK47UHET Series Air Handler Units
This document provides essential information for the Lennox CBK47UHET Series Air Handler Units. It details critical safety warnings, important installation guidelines, and operational notices to ensure proper and safe use of the equipment.
Key Features and Information
- Designed for installation with optional field-installed electric heat and a matched outdoor unit charged with R-454B refrigerant.
- Suitable for indoor installation in multiple positions, fully assembled for upflow and horizontal right-hand discharge.
- Features a factory-installed, internally mounted check/expansion valve suitable for R-454B applications.
- Compatible with both communicating and non-communicating thermostats and outdoor units, utilizing Lennox RSBus protocols for enhanced communication.
Important Safety and Installation Notes
- Adherence to all safety warnings and precautions is paramount to prevent property damage, personal injury, or loss of life. Installation and service must be performed by licensed professionals.
- Compliance with environmental regulations regarding refrigerant handling is mandatory.
- Specific procedures are required for cleaning the all-aluminum coil.
- Field wiring diagrams and installation requirements are detailed within the document.
Product Specifications
The document includes detailed specifications for various models within the CBK47UHET series, including nominal tonnage, refrigerant type, connection sizes, indoor coil details, blower specifications, and electrical data. Dimensions for upflow, downflow, and horizontal configurations are provided in both inches and millimeters.
For detailed operational procedures, maintenance, and troubleshooting, please refer to the full content of this manual.
