Introduction
This service manual provides detailed information for the 97G2UHV Gas Furnace. It covers technical specifications, installation procedures, unit components, operational characteristics, maintenance guidelines, and troubleshooting for licensed professional HVAC installers and service technicians. Proper installation and service are crucial for safe and efficient operation.
Key Features
- Two-stage heating for optimal comfort and efficiency.
- High AFUE rating for energy savings.
- Variable speed blower motor for precise airflow control.
- Integrated control with self-diagnostic capabilities and fault code reporting.
- Designed for safe and reliable operation when installed and serviced correctly.
Safety Precautions
Always prioritize safety. Improper installation, adjustment, alteration, service, or maintenance can lead to property damage, personal injury, or death. Ensure that all work is performed by a qualified and licensed professional. Disconnect electrical power before performing any service or maintenance. Be aware of sharp sheet metal edges and wear appropriate protective gear.
Technical Specifications Overview
The manual includes comprehensive technical specifications, including model number guides, physical and electrical data, filter requirements, and blower performance data for various models. Refer to the detailed tables within the manual for specific product information.
Component Identification
Detailed diagrams and descriptions are provided for key unit components, including the heat exchanger assembly, burner box, gas valve, combustion air inducer, blower assembly, and control box. Understanding these components is essential for effective servicing.
Installation and Operation
Guidance is provided on placement, installation, venting practices, condensate piping, and start-up procedures. The manual also explains the wiring and sequence of operation, as well as how to adjust airflow for both cooling and heating modes.
Maintenance and Troubleshooting
Regular maintenance is recommended to ensure the longevity and performance of the furnace. The manual outlines service checks, maintenance procedures, and common troubleshooting steps, including interpreting diagnostic fault codes displayed by the integrated control.
