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Publications ANSI Z21.20-2014 / CAN/CSA-C22.2 NO. 60730-2-5-14

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ANSI Z21.20-2014 / CAN/CSA-C22.2 NO. 60730-2-5-14 - Automatic electrical controls for household and similar use - Part 2-5: Particular requirements for automatic electrical burner control systems (Bi-national standard with ANSI Z21.20-2014 and UL 60730-2-5)

Publication Year:

  • 2014

Total Pages:

108

Publisher:

  • CSA

Preface

This is the harmonized CSA Group and UL standard for particular requirements for Automatic Electrical Burner Control Systems. It is the first edition ANSI Z21.20 - CAN/CSA-C22.2 No. 60730-2-5 and the third edition of UL 60730-2-5. This edition of ANSI Z21.20 - CAN/CSA-C22.2 No. 60730-2-5 replaces the previous edition published in 2007 as ANSI Z21.20 - CSA C22.2 No. 199, Automatic Electrical Controls for Household and Similar Use Part 2: Particular Requirements for Automatic Burner Ignition Systems and Components. This edition of ANSI Z21.20 - CAN/CSA-C22.2 No. 60730-2-5 also replaces CAN/CSA-E730-2-5-94, Automatic electrical controls for household and similar use - Part 2: Particular requirements for automatic electrical burner control systems (adopted IEC 730-2-5:1990). This edition of UL 60730-2-5 supersedes the sixth edition of UL 372, Automatic Electrical Controls for Household and Similar Use - Part 2-5: Particular Requirements for Burner Ignition Systems and Components, and the fifth edition of UL 372, Primary Safety Controls for Gas- and Oil-Fired Appliances. This Standard is based on the Standard for Automatic Electrical Controls for Household and Similar Use, Part 2-5: Particular Requirements for Automatic Electrical Burner Control Systems, IEC Publication 60730-2-5, edition 3.2: 2009.

In Canada, for general information on the Standards of the Canadian Electrical Code, Part II, see the preface of CAN/CSA-C22.2 No. 0. In Canada, this Standard applies to equipment that is intended to be installed or used in accordance with CSA C22.1, the Canadian Electrical Code, Part I.

This harmonized standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). The efforts and support of Industry Associations, are gratefully acknowledged.

This standard is considered suitable for use for conformity assessment within the stated scope of the standard.

1 Scope and normative references

This clause of part 1 is applicable except as follows:

1.1 Replacement:

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 heating, air conditioning and similar use.

This part 2-5 is applicable to a complete burner control system and to a separate programming unit. This part 2-5 is also applicable to a separate electronic high-voltage ignition source and to a separate flame detector.

Separate ignition devices (electrodes, pilot burners, etc.) are not covered by this part 2-5 unless they are submitted as part of a burner control system.

Requirements for separate ignition transformers are contained in IEC 60989 .

1.1DV.1 D2 Modification of 1.1 by adding the following text to the note:

Separate ignition devices (electrodes, pilot burners, etc.) are covered by this part 2-5 (Refer to Annex DVKK).

Requirements for separate ignition transformers are covered in Standard for Specialty Transformers, UL 506, and CSA C22.2 No. 13, Standard for Luminous Tube Signs, Oil and Gas Burner Ignition Equipment, Cold-Cathode Interior Lighting.

Throughout this part 2-5, where it can be used unambiguously, the word ²system² means ²burner control system² and ²systems² means ²burner control systems².

Systems utilizing thermoelectric flame supervision are not covered by this part 2-5.

1.1DV.2 D2 Modification of 1.1 by adding the following text:

Devices such as thermoelectric flame supervision, pilot burners, oxygen depletion safety shut-off systems (ODS), thermoelectric safety shut-off devices, fast-acting thermocouples, and other components are covered in Annex DVKK.

1.1.1 This part 2-5 applies to the inherent safety, to the manufacturer's declared operating values, operating times and operating sequences where such are associated with burner safety and to the testing of automatic electrical burner control systems used in, on, or in association with, burners.

Requirements for specific operating values, operating times and operating sequences are given in the standards for appliances and equipment.

Systems for equipment not intended for normal household use, but which nevertheless may be used by the public, such as equipment intended to be used by laymen in shops, in light industry and on farms, are within the scope of this part 2-5.

This part 2-5 applies to systems using NTC or PTC thermistors, additional requirements for which are contained in Annex J.

This part 2-5 does not apply to systems designed exclusively for industrial applications.

1.1.1DV D2 Modification of 1.1.1 by adding the following text:

This part 2-5 does apply to systems designed exclusively for industrial applications.

1.1.2 This part 2-5 applies to manual controls when such are electrically and/or mechanically integral with automatic controls.

Requirements for manual switches not forming part of an automatic control are contained in IEC 61058-1.

Throughout this part 2-5, the word ²equipment² means ²appliance and equipment².

1.2 Replacement:

This part 2-5 applies to systems with a rated voltage not exceeding 660 V and with a rated current not exceeding 63 A.

1.2DV DR Modification of 1.2 by adding the following text:

The maximum control output voltage is 600 V. The maximum current is unlimited.

The primary input circuit of a system shall be a two-wire, one-side-grounded system,having a voltage rating of not more than a nominal 120 volts. A switch or protective device shall be in the circuit electrically connected to the ungrounded supply conductor.

1.3 Replacement:

This part 2-5 does not take into account the response value of an automatic action of a control, if such a response value is dependent upon the method of mounting the control in the equipment. Where a response value is of significant purpose for the protection of the user, or surroundings, the value defined in the appropriate household equipment standard or as determined by the manufacturer applies.

This part 2-5 includes systems responsive to flame properties.

1.4 Replacement:

This part 2-5 applies also to systems incorporating electronic devices, requirements for which are contained in Annex H.

1.5 Normative References

This clause of part 1 is applicable except as follows:

Addition:

IEC 60068-2-6:1995,
Environmental testing - Part 2: Tests - Test Fc: Vibration (sinusoidal)

IEC 60127-1:2006,
Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links

IEC 60947-1:2007,
Low-voltage switchgear and controlgear - Part 1: General rules

IEC 60947-5-1:2003,
Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices

IEC 60989:1991,
Separating transformers, autotransformers, variable transformers and reactors

1.5DV DC Modification by adding the following to 1.5:

IEC 61643-1,
(Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests)

ANSI/ASME B1.1-2003,
Unified Inch Screw Threads (UN and UNR Thread Form)

ANSI/ASME B1.20.1-1983 (R1992),
Pipe Threads, General Purpose (Inch)

ANSI Z21.21-2005/CSA 6.5-2005,
Automatic Valves for Gas Appliances

ANSI Z21.78-2005/CSA 6.20-2005,
Combination Gas Controls for Gas Appliances

ANSI Z223.1/NFPA 54-2006,
National Fuel Gas Code

CAN/CSA B140.2.1-M90 (R2005),
Oil Burners; Atomizing Type

CSA B149.1-10,
Natural Gas and Propane Installation Code

CSA-B149.3-10,
Code for the Field Approval of Fuel-related Components on Appliances and Equipment

CSA C22.2 No. 3-M1988 (R2004),
Electrical Features of Fuel Burning Equipment

CSA C22.2 No. 13-1962 (R2011),
Transformers for Luminous-Tube Signs, Oil- and Gas-Burner Ignition Equipment, Cold-Cathode Interior Lighting

CSA C22.2 No. 66.1,
Low Voltage Transformers - Part 1: General Requirements

UL 506,
Specialty Transformers

UL 1449,
Surge Protective Devices

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