ANSI Z21.11.1 : 91 ADDENDA B 94

PART I. CONSTRUCTION
1.1 Scope
1.2 General Construction and Assembly
1.3 Materials
1.4 Combustion Air and Ventilation
1.5 Burners
1.6 Primary Air Adjustment Means
1.7. Orifice Spuds and Orifice Fittings
1.8 Automatic Gas Ignition Systems
1.9 Ignition of Pilot
1.10 Manual Gas Valves
1.11 Gas Supply Lines
1.12 Bleeds and Vents
1.13 Thermostats
1.14 Automatic Valves
1.15 Gas Appliance Pressure Regulators
1.16 Adjustment of Minimum Input Rating
1.17 Pilot Gas Filters
1.18 Fan and Limit Controls
1.20 Venting
1.21 Flue Collars and Flue Outlets
1.22 Draft Hoods
1.23 Automatic Vent Damper Devices
1.24 Electrical Equipment and Wiring
1.25 Motors and Blowers
1.26 Instructions
1.27 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 Pilot Operating Characteristics
2.7 Automatic Gas Ignition Systems
2.8 Direct Ignition Systems
2.9 Main Burner Temperatures
2.10 Nonload-Bearing Flue Gas Baffle Temperatures
2.11 Filters
2.12 Temperature at Discharge Air Opening
2.13 Manual Gas Valves
2.14 Gas Appliance Pressure Regulators
2.15 Thermostats
2.16 Automatic Valves
2.17 Manifold and Control Assembly Capacity
2.18 Wall and Floor Temperatures
2.19 Flue Gas Temperature
2.20 Surface Temperatures
2.21 Evaluation of Clothing Ignition Potential
2.22 Combustion Chamber Relief
2.23 Venting
2.24 Vent Safety Shutoff System
2.25 Draft Hoods
2.26 Draft tests for Appliances Not Equipped with Draft
      Hoods
2.27 Automatic Vent Damper Devices
2.28 Allowable Heating Element and Load-Bearing Flue
      Gas Baffle Temperatures
2.29 Marking Material Adhesion and Legibility
PART III. MANUFACTURING AND PRODUCTION TESTS
PART IV. DEFINITIONS
Appendix A Pertinent References to ANSI Y14.15-1966
Appendix B Wire Color Designations
Appendix C Recommended Wire Color Usage
Appendix D Preferred Graphic Symbols of Commonly Used
            Items, Extracted from ANSI/IEEE Standard
            315-1975, Graphic Symbols for Electrical and
            Electronics Diagrams, and Abbreviations for
            These Items
Appendix E Table of Conversion Factors

Describes new vented room heaters used with natural, manufactured, mixed or liquefied petroleum gases and LP gas-air mixtures.