Document Outline

• IMPORTANT SAFETY INFORMATION
• REQUIREMENTS & CODES
• GENERAL INFORMATION
  • Before you install this unit
  • Locating the Equipment
  • Heating Load
• COMBUSTION AIR & VENTING REQUIREMENTS
  • General Information
  • Vent Termination
• CIRCULATING AIR SUPPLY
  • Air Ducts
  • Air Filter Requirements
  • Unconditioned Spaces
  • Acoustical Duct Work
• UNIT INSTALLATION
  • Packaging Removal
  • Rigging & Hoisting
  • Clearances to Combustible Materials
  • Ground Level
  • Rooftop
  • Horizontal to Downflow Conversion
  • Condensate Drain
• ELECTRICAL WIRING
  • Pre-Electrical Checklist
  • Grounding
  • Line Voltage
  • Thermostat / Low Voltage Connections
    • Heat / Cool Thermostat
    • Checking Heat Anticipator Settings
  • Cooling Configurations
  • Heating Configurations
  • Configuring the Variable Speed Blower
  • Selecting Cooling Airflow
  • Selecting Heating Airflow
    • Operation
• GAS SUPPLY & PIPING
  • Leak Check
  • High Altitude Conversion
  • LP/Propane Gas Conversion
• START UP & ADJUSTMENTS
  • Pre-Start Check List
  • Start-Up Procedure
    • Air Circulation
    • System Cooling
    • System Heating
  • Verifying & Adjusting Temperature Rise
  • Verifying & Adjusting Firing Rate
  • Verifying Over-Temperature Limit Control Operation
  • Verifying Burner Operation
  • Manifold Pressure Adjustment
• OPERATING SEQUENCE
  • Heating Mode
  • Cooling Mode
    • De-Humidification Control
  • Delay Override
  • Fan Only Mode
• EQUIPMENT MAINTENANCE
  • Cleaning of Heat Exchanger
  • Cleaning of Burners
• TROUBLESHOOTING - COOLING MODE
  • Diagnostic Display
  • Instrumentation
  • Low Ambient Cooling
• TROUBLESHOOTING - HEATING MODE
• REPLACEMENT PARTS
• HEATING COMPONENT FUNCTIONS
• OPTIONAL FURNACE CONTROL BOARD CONNECTIONS
• FIGURES & TABLES
  • Figure 10. Unit Dimensions
    • Table 11. Center of Gravity & Shipping Weights
      • Airflow Data
        • Table 12. Nominal Heating Airflow Rates & Temperature Rises (° F)
          • Table 13. Airflow Settings for Cooling Mode
          • Table 14. Airflow Settings (CFM) & Rise (° F) for Heating Mode
      • Gas Information
        • Table 15. Gas Pipe Capaacities
          • Table 16. Gas Flow Rates
        • Figure 11. Gas Valve Label
      • Electrical Information
        • Figure 12. Two-Stage, Hot Surface Ignition & Blower Control Board
        • Figure 13. VSHE Blower Control Board
        • Figure 14. Interface Board in Control Panel
          • Table 17. Interface Board Operating Codes
        • Figure 15. R6GI Inverter Assembly
        • Figure 16. R6GI Typical Heat Exchanger Assembly
        • Figure 17. Wiring Diagram (2, 3, & 4 Ton)
        • Figure 18. Wiring Diagram (5 Ton)
• REFRIGERANT CHARGING
  • Alternate Procedure for Charging Air Conditioner in Cooling Mode
  • Application Notes on the Use of Charging Charts
    • Figure 19. Charging Chart for 2 Ton Units
      • Figure 20. Charging Chart for 3 Ton Units
        • Figure 21. Charging Chart for 4 Ton Units
        • Figure 22. Charging Chart for 5 Ton Units
        • Figure 23. Temperature Sensor Resistance Charts
• INSTALLATION / PERFORMANCE CHECK LIST