GB/T 26971-2011Test methods for remote-storage double-loop domestic solar water heating systems (English PDF)
家用分体双回路太阳能热水系统试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 19, 2011
Implementation date
August 1, 2012
Scope
GB/T 26971-2011 is the English-translated version of 家用分体双回路太阳能热水系统试验方法.
GB/T 26971-2011 is the Chinese standard "Test methods for remote-storage double-loop domestic solar water heating systems". Its scope clause reads: This standard specifies the home split dual-circuit test methods for solar water heating systems in the absence of auxiliary heat source and the outdoor conditions.
This standard applies to the storage tank capacity not greater than 0.6m3 of home split double-loop solar hot water system. Its clauses include terms and definitions.
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Document preview — GB/T 26971-2011
National Standard of the People's Republic of China
- ICS
- 27.160
- Classification
- F 12
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 Split solar water heating system
- 3.2 Double-loop solar water heating system,
- 3.3 Daily useful energy
1 Scope
This standard specifies the home split dual-circuit test methods for solar water heating systems in the absence of auxiliary heat source and the outdoor conditions.
This standard applies to the storage tank capacity not greater than 0.6m3 of home split double-loop solar hot water system.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For cited documents without a date. The latest version (including any amendments) applies to this document.
GB 3100 International System of Units and Its Application
The first part of the GB 4706.1 Safety of household and similar electrical appliances. General requirements
GB/T 6424 flat plate solar collectors
GB 8877 Household and similar electrical appliances installation, use and maintenance of security requirements
GB/T 12936 solar thermal terms
GB/T 17581 vacuum tube solar collectors
GB/T 18708 domestic solar hot water system performance test method
GB/T 19141 domestic solar water heating systems
GB/T 19565 pyranometer
GB/T 23888 domestic solar hot water system controller
GB/T 26970 home split double-loop solar water heating systems
GB 50057 Lightning in design
ISO 9488 Solar vocabulary (Solarenergy-Vocabulary)
3 Terms and Definitions
GB 3100, GB/T 12936, GB/T 18708, GB/T 19141, ISO 9488 and the following definition of terms and definitions apply to this file.
3.1 Split solar water heating system
Separated by a distance of solar water heating systems installed between the storage tank and the collector. Also known as a split system split system.
3.2 Double-loop solar water heating system,
Heat the working fluid flowing through the collector and then through a heat exchanger to transfer heat to the water storage tank of a solar hot water system. Double-loop system also
Called dual circulatory system, or indirect systems.
3.3 Daily useful energy
Under certain daily amount of solar radiation, water storage tank water temperature is not lower than the predetermined value, contour lighting unit collector area of solar water heating systems
GB/T 33589-2026 | GB/T 29319-2024 | GB/T 33599-2017 | GB/T 26972-2011 | GB/T 26970-2011 | GB 26969-2011 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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