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UL Standard | Standard 60730-2-5 | Edition 3
ulharm-60730-2-5.3
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 .
Throughout this part 2-5, where it can be used unambiguously, the word "system" means "burner control system" and "systems" means "burner control systems".Systems utilizing thermoelectric flame supervision are not covered by this part 2-5.
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.
1.1.2 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 "equipment" means "appliance and equipment".
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.
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.
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 61643-1, (Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests)
CSA C22.2 No. 66.1, Low Voltage Transformers - Part 1: General Requirements
Summary of Topics s60730-2-5_3_sum.html
The preface of the Third Edition of UL 60730-2-5, the CSA Group and UL (binational) Safety Standard of Automatic Electrical Controls for Household and Similar Use, Part 2-5: Particular Requirements for Automatic Electrical Burner Control Systems, is being revised to incorporate an administrative change for UL only. The UL effective date in the preface has been revised.
THIS THIRD EDITION OF UL 60730-2-5 REPLACES THE FIFTH AND SIXTH EDITIONS OF UL 372. AS OF OCTOBER 19, 2018, THE FIFTH AND SIXTH EDITIONS OF UL 372 WILL BE WITHDRAWN.
As noted in the Commitment for Amendments statement located on the back side of the title page, UL and CSA Group are committed to updating this harmonized standard jointly and are publishing revised pages accordingly. However, the revision pages dated August 5, 2014 will not be jointly issued by UL and CSA Group as these revision pages only address the aforementioned UL revision.
Standard 60730-2-5, Edition 3 Edition Date: January 30, 2014 $379.00-$947.00
Summary of Topics m60730-2-5_3_20130201_sum.html
Subject 60730-2-5 (372)
The following standard is being proposed for ballot and comment:
1. Proposed Third Edition of the Harmonized Standard for Automatic Electrical Controls for Household and Similar Use, Part 2: Particular Requirements for Automatic Electrical Burner Control Systems, UL 60730-2-5.