CSA/ANSI/IAS U.S. LC 2 : 1996

PART I - CONSTRUCTION
1.1 Scope
1.2 General Construction
1.3 Materials
1.4 Assembly
1.5 Accessibility
1.6 Main burners
1.7 Combustion Air Control
1.8 Orifices and Orifice Fittings
1.9 Ignition Means (Systems)
1.10 Combination Gas Controls
1.11 Manual Gas Valves
1.12 Heater Gas Piping
1.13 Gas Hose Assemblies
1.14 Automatic Valves and Safety Shutoff Valves
1.15 Gas Pressure Regulators
1.16 Thermostats
1.17 Adjustment of Minimum Input Rating
1.18 Limit Controls
1.19 Electrical Equipment and Wiring
1.20 Motors
1.21 Instructions
1.22 Marking
PART II - PERFORMANCE
2.1 General
2.2 Test Gases
2.3 Test Pressures and Burner Adjustments
2.4 Combustion
2.5 Burner and Pilot Operating Characteristics
2.6 Manual and Piloted Ignition Systems
2.7 Direct Ignition Systems
2.8 Limit Controls
2.9 Manifold and Control Assembly Capacity
2.10 Wall, Floor, Ceiling and Electrical Equipment and
     Wiring Temperatures
2.11 Rain Test for Heaters for Outdoor Installation
2.12 Wind Test
2.13 Washdown Test
2.14 Season Cracking
2.15 Marking Material Adhesion and Legibility
EXHIBIT A - LIST OF REFERENCE STANDARDS
PART III - MANUFACTURING AND PRODUCTION TESTS
PART IV - DEFINITIONS
APPENDIX A - PERTINENT REFERENCES TO ANSI Y14.15
APPENDIX B - WIRE COLOR DESIGNATIONS
APPENDIX C - RECOMMENDED WIRE COLOR USAGE
APPENDIX D - PREFERRED GRAPHIC SYMBOLS OF COMMONLY USED
             ITEMS, EXTRACTED FROM STANDARD ANSI/IEEE 315,
             GRAPHIC SYMBOLS FOR ELECTRICAL AND ELECTRONICS
             DIAGRAMS, AND ABBREVIATIONS FOR THESE ITEMS
APPENDIX E - TABLE OF CONVERSION FACTORS

Applies to newly-produced direct gas-fired circulating heaters of 400,000 Btu (117228 W) or less, hereinafter referred to as heaters, constructed entirely of new, unused parts and materials and primarily intended for permanent installation in agricultural animal confinement buildings. All the products of combustion generated by the heater are released into the area being heated.