GB/T 26973-2011Specification of solar water heating systems assisted with air-source heat pump(for capacity of water tank more than 0.6 m3) (English PDF)
空气源热泵辅助的太阳能热水系统（储水箱容积大于0.6m3）技术规范
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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 26973-2011 is the English-translated version of 空气源热泵辅助的太阳能热水系统（储水箱容积大于0.6m3）技术规范.
GB/T 26973-2011 is the Chinese standard "Specification of solar water heating systems assisted with air-source heat pump(for capacity of water tank more than 0.6 m3)".
Its scope clause reads: This standard specifies the definition, symbol and unit of air-source heat pump-assisted solar hot water system, composition and classification, design requirements, technology Requirements, test methods, construction and installation requirements, commissioning and acceptance, documentation and other technical specifications.
This standard applies to the use of air source heat pump assisted solar hot water system (storage tank volume greater than 0.6m3). Its clauses include normative reference documents; terms and definitions.
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Document preview — GB/T 26973-2011
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 reference documents
- 3 terms and definitions
- 3.1 Air source heat pump assisted solar hot water system
- 3.2 Air source heat pump hot water machine
- 3.3 Auxiliary and additional energy
- 3.4 System Integrated Thermal Performance Coefficient (OTPC)
1 Scope
This standard specifies the definition, symbol and unit of air-source heat pump-assisted solar hot water system, composition and classification, design requirements, technology
Requirements, test methods, construction and installation requirements, commissioning and acceptance, documentation and other technical specifications.
This standard applies to the use of air source heat pump assisted solar hot water system (storage tank volume greater than 0.6m3).
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 6424 flat type solar collectors
Terminology of solar heat utilization
GB/T 17581 vacuum tube type solar collectors
Technical specification for design, installation and acceptance of solar hot water system GB/T Code for performance evaluation of solar hot water system GB/T GB/T 21362 Heat pumps for commercial or industrial and similar purposes
GB/T 23137 Household and similar heat pump water heaters
3 terms and definitions
GB/T 12936, GB/T 20095, GB/T 21362, GB/T 23137 and the following terms and definitions apply to this document.
3.1 Air source heat pump assisted solar hot water system
Under conditions of no less than 17MJ/m2 of solar radiation, the system produces hot water temperature rise of not less than 25 °C in the useful heat, by the air
Source heat pump auxiliary heating heat of not more than 50% of the solar hot water system.
3.2 Air source heat pump hot water machine
A motor-driven, vapor-cooled refrigeration cycle, the low-grade heat source (air) heat transferred to the heated water for the system
Take hot water equipment.
3.3 Auxiliary and additional energy
System, the air source heat pump auxiliary heating and pumps, controllers and other electrical appliances consumed by electricity. The unit is MJ (ear) (MJ).
3.4 System Integrated Thermal Performance Coefficient (OTPC)
Under the specified test conditions, the air source heat pump assisted solar hot water system with heat and auxiliary and additional energy ratio. Dimensionless.
GB/T 33589-2026 | GB/T 29319-2024 | GB/T 33599-2017 | GB/T 26971-2011 | 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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