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GB/T 21087-2007 English PDF (GBT21087-2007)

GB/T 21087-2007 English PDF (GBT21087-2007)

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GB/T 21087-2007: Air-to-air energy recovery equipment

This standard specifies the terms and definitions, classification and marking, requirements, tests, inspection rules, marking, packaging, transportation and storage, and the basic contents of the random technical documentation of air-air energy recovery equipment.
GB/T 21087-2007
GB
NATIONAL STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 91.140.30
P 46
Air-to-air energy recovery equipment
ISSUED ON. SEPTEMBER 11, 2007
IMPLEMENTED ON. FEBRUARY 01, 2008
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
3. No action is required - Full-copy of this standard will be automatically and immediately delivered to your EMAIL address in 0~60 minutes.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 Classification and marking ... 7
5 Requirements ... 9
6 Test ... 12
7 Inspection rules ... 18
8 Marking, packaging, transportation and storage ... 19
9 Basic contents of the random technical documents ... 20
Appendix A (Normative) Test methods for equipment air volume, static
pressure-drop, outlet total pressure and input power ... 22
Appendix B (Normative) Test method for internal air leakage rate of equipment ... 30
Appendix C (Normative) Test method for external air leakage rate of
equipment ... 32
Appendix D (Normative) Test method for net outdoor air exchange rate of equipment ... 34
Appendix E (Normative) Test method of equipment exchange effectiveness 36 Appendix F (Normative) Test method of equipment condensation ... 41
Appendix G (Normative) Equipment noise test method ... 42
Foreword
Appendix A, Appendix B, Appendix D, Appendix E, Appendix F, and Appendix G of this standard are normative.
This standard was proposed by the Ministry of Construction of the People's Republic of China.
This standard shall be under the jurisdiction of the National HVAC and
Purification Equipment Standardization Technical Committee.
The responsible drafting organizations of this standard. China Academy of Building Research.
The drafting organizations of this standard. Central South University,
Guangdong Matsushita Environmental System Co., Ltd. Beijing Branch,
Shanghai Xinhuang Air Conditioning Equipment Co., Ltd., Shanghai Daikin Air Conditioning Co., Ltd., India Arctic Engineering Co., Ltd. (Shanghai), Shanghai Weike Air-conditioning Equipment Limited Company, Jiangsu Fengshen Air
Conditioning Group Co., Ltd., Beijing Huandu Artificial Environment
Technology Co., Ltd., Beijing Wensi Technology Development Company,
Beijing Stirling Ventilation Equipment Company, Beijing Tongfang Clean
Technology Co., Ltd., Yuanda Air-conditioning Co., Ltd., Shanghai Huilin Air-conditioning Equipment Co., Ltd., Wuxi Desert Dehumidification Equipment Plant, Shandong Oukai Air Conditioning Technology Co., Ltd., Shandong
Xuesheng Technology Co., Ltd., Hangzhou Sanjin Air Conditioning Equipment Co., Ltd., Beijing Yadu Technology Co., Ltd., Guangdong Shenling Air
Conditioning Equipment Co., Ltd. , Watson Technology (International) Co., Ltd. (Guangzhou), York (Wuxi) Air-conditioning Frozen Technology Co., Ltd.,
Shanghai Mitsubishi Electric Shangling Air-conditioning Electrical Company, Zhejiang Shield Artificial Environment Equipment Co., Ltd., Guangdong Media Air-conditioning Equipment Co., Shandong Detong Industrial Co., Ltd., Zibo Qiyu Air-conditioning Energy-saving Equipment Limited.
The main drafters of this standard. Cao Yang, Ding Lixing, Wang Yu, Xiong Lihong, Shi Jianchun, Hu Yiqiang, Sun Shouli, Liu Wei, Wei Maomian, Chen Lei, Wu Qianqing, Fang Kaidong, Wu Hefu, Wang Zhichao, Yang Laicun, Jin Mingji, Ge Xinli, He Lumin, Zhang Caiyun, Yan Song, Ding Huanqing, Li
Zhiwen, Tong Xingsheng, Le Ximing, Huang Weijun, Shu Weimin, Yan Wenbin, Gao Xiang.
This standard is the first release.
Air-to-air energy recovery equipment
1 Scope
This standard specifies the terms and definitions, classification and marking, requirements, tests, inspection rules, marking, packaging, transportation and storage, and the basic contents of the random technical documentation of air-air energy recovery equipment.
This standard is applicable to air-air energy recovery equipment for the recovery of exhaust energy in heating, ventilation, air conditioning and purification systems. Air-air energy recovery equipment for other purposes can be implemented with reference to this standard.
2 Normative references
The provisions in following documents become the provisions of this Standard through reference in this Standard. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Standard; however, parties who reach an agreement based on this Standard are
encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB 755-2000 Rotatory motor - Quota and performance
GB/T 1236-2000 Performance test of standardized air duct for industrial ventilators
GB/T 2423.3-1993 Basic environmental testing procedures for electric and electronic products - Test Ca. Constant damp heat test method
GB 4706.1-2005 Safety of household and similar electrical appliances - Part 1. General requirements
GB/T 9068 Heating ventilation and air conditioning equipment noise -
Determination of sound power level - Engineering method
GB/T 16803 Heating, ventilation, air conditioning, and purification
equipment - Terminology
JG/T 22 Standard test method for performance of air filter for general
ventilation
It refers to the air volume flow at the supply air outlet of the equipment, in the unit of m3/h.
3.7
Exhaust air flow rate
It refers to the air volume flow at the exhaust air outlet of the equipment, in the unit of m3/h.
3.8
Power input
The sum of the input power of the fresh, exhaust air fan and auxiliary
equipment of the equipment, in the unit of W or kW.
3.9
Outlet air total pressure
Under the corresponding air volume, the sum of the dynamic pressure and static pressure at the air outlet of the equipment with fan after it overcomes self-resistance, in the unit of Pa.
3.10
Air static pressure drop
Under the corresponding air volume, the static pressure-drop caused by the equipment without fan, in the unit of Pa.
3.11
Temperature exchange effectiveness
Under the corresponding air volume, the ratio of the temperature difference between the fresh air inlet and outlet to the temperature difference between the fresh air inlet and exhaust air inlet, expressed as a percentage.
3.12
Enthalpy exchange effectiveness
Under the corresponding air volume, the ratio of the enthalpy difference between the fresh air inlet and outlet to the enthalpy difference between the fresh air inlet and exhaust air inlet, expressed as a percentage.
4.1.2.1 Equipment with fan
a) Small sized equipment. the equipment having a nominal air volume of not greater than 250 m3/h;
b) Medium sized equipment. the equipment having a nominal air volume of greater than 250 m3/h BUT not more than 5000 m3/h;
c) Large sized equipment. the equipment having a nominal air volume of
greater than 5000 m3/h.
4.1.2.2 Equipment without fan
a) Diameter x thickness;
b) Length ?? width ?? thickness.
4.1.3 Classification by equipment heat exchanger type
a) Total heat type (QR);
b) Sensible heat type (XR).
4.1.4 Classification by equipment installation
a) Floor type (LD);
b) Hanging type (DZ);
c) Wall mounted (BG);
d) Window type (CS).
4.1.5 Classification by equipment working status
a) Rotary type (including wheel type, channel wheel type, etc.) (XZ);
b) Static type (including plate fin type, heat pipe type, liquid circulation type) (JZ).
4.2 Markings
and smooth, AND the spray coating shall be uniform and consistent in color, and free from flow marks, blisters, or peeling off.
5.2.4 The decorative and functional plastic parts surface of the equipment shall be flat and uniform in color, be free from cracks, blisters, or other defects, AND the plastic parts shall be resistant to aging.
5.2.5 The equipment shall have sufficient strength and stiffness, AND all sheet metal parts and spare parts, etc., shall have good anti-rust measures.
5.2.6 The enclosures of the outdoor parts of the equipment shall be subjected to the corresponding anti-rust treatment, AND other non-metallic materials shall have a rainproof and anti-aging performance.
5.2.7 The energy exchange core and enclosure internal insulation material shall be non-toxic and odorless AND comply with the requirements of building fire safety codes, AND the attachments s...

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