GB/T 33295-2016 in English
VALIDTechnical requirements of domestic solar water heating systems with collectors on the facade or balcony of building
- Issued on:2016-12-13
- Implemented on:2017-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
《GB/T 33295-2016墙体、阳台壁挂型家用太阳能热水系统技术要求》由TC402（全国太阳能标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
1. Standard Overview
GB/T33295-2016 standard specifies the definition, classification and marking, equivalent outline lighting area, design requirements, installation requirements, technical requirements, test methods and documentation of wall-mounted and balcony-mounted domestic solar water heating systems. It is applicable to domestic solar water heating systems with a water storage tank volume of no more than 0.6 cubic meters.
2. Comparison of standard frameworks
| Dimensions | GB/T33295—2016 | GB/T1.1—2009 | Reference standards |
|---|---|---|---|
| Definition and classification | Detailed definition of system composition and classification method | Standard drafting rules | GB/T19141 |
| Safety requirements | Strict safety specifications, including electrical and mechanical safety | Comply with GB4706 series standards | GB8877 |
| Thermal performance indicators | Specify the system thermal efficiency and energy efficiency level | Comply with GB/T19141 | GB26969 |
3. Technical background and evolution analysis
This standard is based on GB/T19141 and combines the development trend of building energy conservation and renewable energy utilization. With the advancement of solar energy technology, system efficiency and safety requirements are constantly improving, especially in promoting the installation of solar water heating systems in urban buildings, which requires consideration of architectural aesthetics and functionality.
4. Implementation suggestions
4.1 Installation guidance
In windy areas, embedded installation should be preferred over wall-mounted installation. The collector inclination needs to be adjusted according to the latitude: a 60°~75° inclination is recommended for low-latitude areas (<30°).
4.2 Maintenance and care
The system design life is not less than 10 years, and the sealing of the collector and pipelines and the strength of the bracket should be checked regularly. It is recommended to perform comprehensive maintenance once a year, including cleaning and fastener inspection.
4.3 Energy-saving effect analysis
The equivalent contour lighting area conversion ensures maximum system efficiency, indirect system q17'≥6.8MJ/m², direct system q17'≥7.2MJ/m². This standard effectively improves energy efficiency and reduces carbon emissions.
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