GB/T 21087-2007 in English

《GB/T 21087-2007空气-空气能量回收装置》由TC143（全国暖通空调及净化设备标准化技术委员会）归口，主管部门为住房和城乡建设部。
本标准规定了空气-空气能量回收装置的分类和标记、要求、试验方法、检验规则、标志、包装、运输和贮存等。
本标准适用于在采暖、通风、空调净化系统中用于回后排风能量的空气-空气能量回收装置，其他用途的空气-空气能量回收装置可参照本标准执行。

1 Scope
This standard specifies terminologies and definitions, classifications and markings, requirements, tests test rules, markings, packings, transportation and stockpiling, as well as basic content of technological document attached to the equipment, etc.
This standard is applicable to air-air energy recovery equipment for recovering air draft energy in heating, ventilation, air conditioning and decontamination system, air-air energy recovery equipment for other function may be enforced by referring to this standard.
2 Normative references
The following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments to, or revisions of any of these publications do not apply. And standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 755-2000 Rotating Electrical Machines--Rating and Performance
GB/T 1236-2000 Industrial Fans-Performance Testing using Standardized Airways
GB/T 2423.3-1993 Basic Environmental Testing Procedures for Electric and Electronic Products-Test Ca: Damp Heat, Steady Condition
GB 4706.1-2005 Household and Similar Electrical Appliances-Safety-Part 1: General Requirements
GB/T 9068 Determination of Sound Power Levels for Noise Emitted by Heating Ventilating and Air Conditioning Equipment-Engineering Method
GB/T 16803 Equipment of Heating, Ventilating, Air Conditioning and Air Cleaning Terminology
JG/T 22 Methods for Testing the Performance of Air Filters used in General Ventilation
3 Terminologies and definitions
Terminologies and definitions established in GB/T 16803 and the following terminologies and definitions are applicable to this standard.
3.1 Air to air energy recovery equipment
Equipment combination with energy recovery core is the kernel and realizes air draft energy recovery by ventilation and air change; it is called equipment for short. Equipment includes two types: with blower fan and without blower fan.
3.2 Total heat exchange equipment
Fresh air and exhaust air generate sensible heat and latent heat exchange equipment simultaneously.
3.3 Sensible heat exchange equipment
Fresh air and exhaust air generate only sensible heat exchange equipment.

Foreword III
1 Scope
2 Normative references
3 Terminologies and definitions
4 Classifications and markings
5 Requirements
6 Test
7 Test rules
8 Marking, packing, transportation and stockpiling
9 Basic content of technological document accompanied
Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
Appendix F
Appendix G