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CSA/AM - ANSI Z21.20

Automatic Gas Ignition Systems And Components

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Organization: CSA/AM
Publication Date: 9 March 2005
Status: inactive
Page Count: 82
scope:

This standard applies to newly produced automatic gas ignition systems (see Part IV, Definitions) and components constructed entirely of new, unused parts and materials.

An automatic gas ignition system shall perform the following functions:

a. Ignite the gas at the main burner(s), or at the pilot burner(s) so it can ignite the main burner(s);

b. Prove the presence of either the ignition source, the main burner flame, or both; and

c. Automatically act to shut off the gas supply to the main burner(s), or to the pilot and the main burner(s), when the supervised flame or ignition source is not proved.

Components submitted for examination under this standard shall perform one or more of the above functions.

This standard applies to automatic gas ignition systems which also serve as oxygen depletion safety shutoff (ODS) systems (see Part IV, Definitions).

This standard covers automatic gas ignition systems and components intended primarily for use with gas appliances having inputs of 400,000 Btu/hr (117 228 W) or less per individual combustion chamber.

This standard applies to automatic gas ignition systems and components for use with one or more of the following gases:

a. Natural;

b. Manufactured;

c. Mixed;

d. Liquefied petroleum; and

e. LP gas-air mixtures.

Compliance of an automatic gas ignition system or component with this standard does not imply that such a system or component of such a system is acceptable for use on gas appliances without supplemental tests with the device(s) applied to the particular appliance design.

Each component of an automatic gas ignition system shall be capable of operation throughout a temperature range of 32°F (0°C) to 125°F (51.5°C) unless either higher, lower, or both higher and lower temperatures are specified by the manufacturer.

The tests specified herein are to verify performance within the manufacturer's specified maximum and minimum timings where applicable:

a. Pilot Flame-Establishing Period;

b. Flame Failure Response Time;

c. Flame Failure Reignition Time;

d. Recycle Time;

e. Lockout Time;

f. Purge Time;

g. Ignition Activation Period;

h. Igniter Proving Time;

i. Trial For Ignition Period;

j. Valve Sequence Period; and

k. Automatic Restart Time.

The above terms are defined in Part IV, Definitions.

If a value for measurement as given in this standard is followed by an equivalent value in other units, the first stated value is to be regarded as the specification.

All references to psi throughout this standard are to be considered gage pressures unless otherwise specified.

Exhibit A, List of Reference Standards, contains a list of standards specifically referenced in this standard and sources from which they may be obtained.

Document History

January 1, 2014
Automatic electrical controls for household and similar use - Part 2-5: Particular requirements for automatic electrical burner control systems
This part of IEC 60730 applies to automatic electrical burner control systems for the automatic control of burners for oil, gas, coal or other combustibles for household and similar use including...
October 1, 2010
Automatic Electrical Controls For Household And Similar Use - Part 2: Particular Requirements For Automatic Burner Ignition Systems and Components
A description is not available for this item.
October 1, 2010
Automatic Electrical Controls For Household And Similar Use - Part 2: Particular Requirements For Automatic Burner Ignition Systems and Components
A description is not available for this item.
October 1, 2010
Automatic Electrical Controls For Household And Similar Use - Part 2: Particular Requirements For Automatic Burner Ignition Systems and Components
A description is not available for this item.
January 1, 2008
Automatic Gas Ignition Systems and Components
Preface The standards set forth herein apply to the fourteenth edition of the Standard for Automatic Gas Ignition Systems and Components, ANSI Z21.20-2005, and supersede corresponding standards...
January 1, 2008
Automatic Gas Ignition Systems and Components
A description is not available for this item.
July 1, 2007
Automatic Electrical Controls for Household and Similar Use Part 2: Particular Requirements for Automatic Burner Ignition Systems and Components
This standard modifies or amends the requirements of the Part 1 standard. In Canada the Part 1 standard applicable is CAN/CSA E60730-1, Automatic Electrical Controls for Household and Similar Use -...
July 1, 2007
Automatic Electrical Controls for Household and Similar Use Part 2: Particular Requirements for Automatic Burner Ignition Systems and Components
Replacement: This standard modifies or amends the requirements of the Part 1 standard. In Canada the Part 1 standard applicable is CAN/CSA E60730-1, Automatic Electrical Controls for Household and...
July 1, 2007
Automatic Electrical Controls for Household and Similar Use Part 2: Particular Requirements for Automatic Burner Ignition Systems and Components
Preface: This ANSI Standard, ANSI Z21.20, Automatic Electrical Controls for Household and Similar Use – Part 2: Particular Requirements for Burner Ignition Systems and Components, is to be used in...
ANSI Z21.20
March 9, 2005
Automatic Gas Ignition Systems And Components
This standard applies to newly produced automatic gas ignition systems (see Part IV, Definitions) and components constructed entirely of new, unused parts and materials. An automatic gas ignition...
March 9, 2005
Automatic Gas Ignition Systems And Components
A description is not available for this item.
January 1, 2000
Automatic Gas Ignition Systems and Components
A description is not available for this item.
January 1, 2000
Automatic Gas Ignition Systems and Components
PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of an automatic gas ignition system and components. It is...
January 1, 2000
Automatic Gas Ignition Systems and Components
PREFACE The standards set forth herein apply to the thirteenth edition of the Standard for Automatic Gas Ignition Systems and Components, ANSI Z21.20-2000, and Addenda ANSI Z21.20a-2000, and...
January 1, 1998
Automatic Gas Ignition Systems and Components
PREFACE The standards set forth herein apply to the twelfth edition of the Standard for Automatic Gas Ignition Systems and Components, ANSI 221.20-1997, and supersede corresponding standards...
January 1, 1997
Automatic Gas Ignition Systems and Components
PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of an automatic gas ignition system and components. It is...
January 1, 1995
Automatic Gas Ignition Systems and Components Eleventh Edition
PREFACE The standards set forth herein apply to the eleventh edition of the Standard for Automatic Gas Ignition Systems and Components, ANSI Z21.20-1993, and Addenda thereto, Z21.20a-1994, and...
January 1, 1993
Automatic Gas Ignition Systems and Components; Eleventh Edition
This standard applies to newly produced automatic gas ignition systems (see Part IV, Definitions) and components constructed entirely of new, unused parts and materials An automatic gas ignition...
October 1, 1989
Combustion Safety Controls and Solid-State Igniters for Gas- and Oil-Burning Equipment
This Standard applies to combustion safety controls and solidstate igniters for gas- and oil-burning equipment that are designed to be used in accordance with the Rules of Part I of the Canadian...
October 1, 1989
Combustion Safety Controls and Solid-State Igniters for Gas- and Oil-Burning Equipment
This Standard applies to combustion safety controls and solid-state igniters for gas- and oil-burning equipment that are designed to be used in accordance with the Rules of Part I of the Canadian...
October 1, 1989
Combustion Safety Controls and Solid-State Igniters for Gas- and Oil-Burning Equipment
This Standard applies to combustion safety controls and solid -state igniters for gas- and oil-burning equipment that are designed to be used in accordance with the Rules of Part I of the Canadian...
June 1, 1989
AUTOMATIC GAS IGNITION SYSTEMS AND COMPONENTS TENTH EDITION; ADDENDA Z21.20A - 1991, ADDENDA Z21.20B - 1992
PREFACE The standards set forth herein apply to the tenth edition of the Standard for Automatic Gas Ignition Systems and Components, ANSI Z21.20-1994, and supersede corresponding standards therein....
April 12, 1985
AUTOMATIC GAS IGNITION SYSTEMS AND COMPONENTS NINTH EDITION; ADDENDA Z21.20A - 1987, ADDENDA Z21.20B - 1988
PREFACE The standards set forth herein apply to the tenth edition of the Standard for Automatic Gas Ignition Systems and Components, ANSI Z21.20-1985 and addenda thereto z21.20a-1987, and supersede...

References

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