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GB/T 28745-2012Test methods for storage tank of domestic solar water heating system (English PDF)

家用太阳能热水系统储水箱试验方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

November 5, 2012

Implementation date

January 1, 2013

Scope

GB/T 28745-2012 is the English-translated version of 家用太阳能热水系统储水箱试验方法.

GB/T 28745-2012 is the Chinese standard "Test methods for storage tank of domestic solar water heating system". Its scope clause reads: This standard specifies the domestic solar hot water system tank (referred tank) test methods.

This standard applies to a water capacity of not more than 0.6m3 of domestic solar hot water system tank. Its clauses include terms and definitions; instrumentation and measurement.

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Document preview — GB/T 28745-2012

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

1 Scope
2 Normative references
3 Terms and definitions
4 Instrumentation and Measurement
5 Test Method

1 Scope

This standard specifies the domestic solar hot water system tank (referred tank) test methods.

This standard applies to a water capacity of not more than 0.6m3 of domestic solar hot water system tank.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this standard quasi. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 1720 film adhesion assay

Determination of GB/T 1771 Paints and varnishes resistance to neutral salt spray

GB/T 1865 Paints and varnishes - Artificial weathering and exposure to artificial radiation filtered xenon arc radiation

Part 1 GB 4706.1 Safety of household and similar electrical appliances. General requirements

GB/T 12936 solar thermal terms

GB/T 18708 domestic solar water heating system thermal performance test method

GB/T 28746-2012 domestic solar hot water system storage tank technical requirements

QB/T 2590 storage water heaters enamel parts

ISO 9488.1999 Solar term (Solarenergy-Vocabulary)

3 Terms and Definitions

GB/T 12936, GB/T 28746 and ISO 9488.1999 terms and definitions apply to this document defined.

4 Instrumentation and Measurement

4.1 Temperature

4.1.1 accuracy, precision and response time

Precision and accuracy of the temperature measurement instrument shall meet the requirements of Table 1. Response time must be less than 5s.

Table 1 temperature measurement instrument accuracy and precision

Parameter instrument accuracy instrument accuracy

Ambient temperature ± 0.5 °C ± 0.2 °C

Cold water inlet temperature ± 0.2 °C ± 0.1 °C

The temperature inside the tank ± 0.2 °C ± 0.1 °C

By tank temperature differences (cold water inlet to the hot water outlet) ± 0.1K ± 0.1K […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

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