CSA/ANSI Z21.40.1 : 1996

PART I - CONSTRUCTION
1.1 Scope
1.2 General Construction
1.3 Assembly
1.4 Accessibility
1.5 Combustion Air and Ventilation
1.6 Appliances with Power and Atmospheric Burners
1.7 Manual Gas Valves
1.8 Fuel Gas Supply Lines
1.9 Bleeds and Vents
1.10 Automatic Gas Valves
1.11 Gas Appliance Pressure Regulators
1.12 Adjustment of Minimum Input Rating
1.13 Limit Controls and Pressure Relief Devices
1.14 Thickness of Materials
1.15 Combustion Condensate Disposal System
1.16 Joints in Heating Elements
1.17 Casing Openings
1.18 Electrical Equipment and Wiring
1.19 Protection of Service Personnel
1.20 Motors, Pumps, and Blowers
1.21 Flue Connections
1.22 Draft Hoods
1.23 Air Filters
1.24 Instructions
1.25 User's Information Manual
1.26 Marking
PART II - PERFORMANCE
2.1 General
2.2 Test Gases
2.3 Test Pressures and Burner Adjustments
2.4 Combustion
2.5 Burner Operating Characteristics
2.6 Automatic Gas Ignition Systems
2.7 Direct Ignition Systems
2.8 Flue Gas Baffle Temperatures
2.9 Main Burner and Flame Spreader Temperatures
2.10 Gas Valves
2.11 Gas Appliance Pressure Regulators
2.12 Manifold and Control Assembly Capacity
2.13 Temperature and Pressure Limiting Devices
2.14 Temperatures on Combustible Surfaces and
     Electrical Equipment
2.15 Flue Gas Temperatures
2.16 Draft Hoods
2.17 Draft Tests for Appliance Equipped with Power or
     Induced Drafts Burners
2.18 Moisture Collection
2.19 Operational Tests of Electrical Components and
     Parts
2.20 Safety Circuit Analysis
2.21 Appliances for Outdoor Installations
2.22 Combustion Condensate Disposal System(s)
2.23 Blocked Vent Shutoff System
2.24 Flame Roll-Out Safety Shutoff Means
2.25 Marking Material Adhesion and Legibility
EXHIBIT A - OUTLINE OF LIGHTING INSTRUCTIONS FOR
            APPLIANCES EQUIPPED WITH CONTINUOUS PILOTS
EXHIBIT B - OUTLINE OF OPERATING INSTRUCTIONS FOR
            APPLIANCES EQUIPPED WITH INTERMITTENT PILOT
            OR INTERRUPTED PILOT SYSTEMS
EXHIBIT C - OUTLINE OF OPERATING INSTRUCTIONS FOR
            APPLIANCES EQUIPPED WITH DIRECT IGNITION
            SYSTEMS
EXHIBIT D - ITEMS UNIQUE TO ONE COUNTRY (U.S.A.)
EXHIBIT E - ITEMS UNIQUE TO ONE COUNTRY (CANADA)
EXHIBIT F - LIST OF REFERENCE STANDARDS
PART III - MANUFACTURING AND PRODUCTION TESTS
PART IV - DEFINITIONS
APPENDIX A - RECOMMENDED WIRE COLOR USAGE
APPENDIX B - PERTINENT REFERENCES TO ANSI Y14.15
APPENDIX C - WIRE COLOR DESIGNATIONS
APPENDIX D - PREFERRED GRAPHIC SYMBOLS OF COMMONLY USED
             ITEMS, EXTRACTED FROM ANSI/IEEE STANDARD 315,
             GRAPHIC SYMBOLS FOR ELECTRICAL AND ELECTRONICS
             DIAGRAMS, AND ABBREVIATIONS FOR THESE ITEMS
APPENDIX F - TABLE OF CONVERSION FACTORS

Pertains to newly produced, gas-fired, heat activated, air conditioning and heat pumping appliances, hereinafter referred to as appliances, constructed entirely of new, unused parts and materials, which are designed to supply conditioned air; heated and/or cooled liquid; or refrigerants, gases, solids, or liquids to spaces remote from or adjacent to the appliance.