Contents
Ama
Safety Considerations
Furnace Reliability Hazard
Introduction
CUT Hazard
Codes and Standards
Clearances to Combustibles
Electrostatic Discharge ESD Precautions Procedure
Venting
Carbon Monoxide Poisoning Hazard
Location
General
Electrical Operation Hazard
Personal Injury AND/OR Property Damage Hazard
AIR for Combustion Ventilation
Fire Hazard
Furnace Corrosion Hazard
Location Relative to Cooling Equipment
ACH
Installation
Combination of Indoor and Outdoor Air
Bottom Return Air Inlet
Side Return Air Inlet
Downflow Installation
Leveling Legs
A08556
Opening Dimensions In. mm
Suspended Furnace Support
Platform Furnace Support
Roll-Out Protection
Filter Arrangement Carbon Monoxide and Poisoning Hazard
AIR Ducts
General Requirements
Ductwork Acoustical Treatment Supply Air Connections
Upflowdownflow Horizontal
Horizontal Suspension with Straps
Furnace Overheat Hazard
Return Air Connections
GAS Piping Fire or Explosion Hazard
Air Delivery CFM With Filter
Maximum Capacity of Pipe
Upflow Return Air Configurations and Restrictions
Horizontal Return Air Configurations and Restrictions
Electrical Shock and Fire Hazard
Electrical Data
Electrical Connections Electrical Shock Hazard
Wiring
Furnace MAY not Operate
BOX Relocation
Electrical Connection to J-BOX
Power Cord Installation in Furnace J-BOX
BX Cable Installation in Furnace J-BOX
Accessories
Venting
Furnace Control
General Venting Requirements
Masonry Chimney Requirements
Single-Stage Furnace with Single-Speed Air Con Ditioner
Humidfier
Appliance Application Requirements
Internal Area of Chimney
Chimney Inspection Chart
Sidewall Venting
Additional Venting Requirements
Burn Hazard
Upflow Application-Vent Elbow Up
See Notes 1,2,4,5,7,8,9 on
See Notes 1,2,4,5,7,8,9
Using Tin Snips to Cut Tie Points
Venting Notes for Figures
Rounded End of Knockout
Furnace Damage Hazard
START-UP, ADJUSTMENT, and Safety Check
Fire and Explosion Hazard
Altitude Derate Multiplier for U.S.A
Canada
Follow exclusively the National Fuel Gas Code
Gas Control Valve
Furnace Overheating Hazard
Check Safety Controls
Speed Selection
Checklist
Gas Rate Cu Ft./Hr
A08220
A08220A
Service and Maintenance Procedures
Electrical Controls and Wiring Electrical Shock Hazard
FIRE, INJURY, or Death Hazard
Electrical SHOCK, Fire or Explosion Hazard
A08221
Service
Care and Maintenance Fire or Explosion Hazard
Cleaning AND/OR Replacing AIR Filter
Carbon Monoxide Poisoning Fire Hazard
Filter Size Information In. / mm
Cleaning Heat Exchanger
Unit Damage Hazard
Igniter Position-Side View
Cleaning Heat Exchanger Cell
Sequence of Operation
Cooling Mode
Thermidistat Mode
Continuous Blower Mode
Two-Speed Cooling
Heat pump
Wiring Diagrams
Troubleshooting
Wiring Diagram
Troubleshooting Guide
Catalog No 58PHA---03SI