NY/T 759-2003 Technical requirements for pressurized domestic solar water heaters
Some standard content:
ICS 27. 160
Agricultural Industry Standard of the People's Republic of China
NY/T759—2003
Specification for pressure-resistant donrrstic solar waler healer2003-12-01Promulgated
Ministry of Agriculture of the People's Republic of China
2004-03-01Implementation
This standard was proposed by the Department of Science, Technology and Education of the Ministry of Agriculture. Foreword
NY/T 759—2C03
The units that drafted this standard are: Planning and Design Research Institute of the Ministry of Agriculture, Fuming Solar Energy Co., Ltd., Nanjing Ningzhi Solar Energy Equipment Co., Ltd., Aiyi Energy Environmental Protection Technology Development Co., Ltd.
The authors of this standard are: Gao Yuanchao, Teng Xiaoda, Huang Ming, Li Peizhong. 1 Scope
Technical conditions for pressurized household solar water heaters VY/T759—2003
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging of pressurized household solar water heaters. This standard applies to forced circulation, natural circulation, and solar-heated pressurized household solar water heaters, and also to various types of pressurized solar water heaters with electric auxiliary heaters.
2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For dated references, all subsequent amendments (excluding errors) and revisions do not apply to this standard. However, the parties who reach an agreement based on this standard are encouraged to study whether to use the latest versions of these documents. For undated references, the latest versions shall apply to this standard. (3/19 Packaging, storage and transportation pictorial mark
(3/T1720) Determination of paint film adhesion
GB/T 174C
Determination of paint film resistance to moisture and heat
G/T1865 Paints and varnishes 1 Weathering and aging and 1 Radiation exposure (filtered atmospheric radiation) CB17C6.1—1998 Safety of household and similar electrical appliances - Part: General requirements (e9VIF(:335-1:1991) GB5013.21997 Rubber insulated flexible cables with rated voltage 450/750V and below - Part 2: Test methods i3/T12167.1~.2467.41998 Welding quality requirements Melting temperature of metallic materials 1991 Test method for thermal performance of household solar water heaters GP/ 1215
G1/T2036.2--1991 Terminology of Solar Energy Utilization Part 1 GB/T13381 General Technical Conditions for Packaging of Mechanical and Electrical Products GB/T17029-1997 All-glass Pure Solar Collector Tube √Y/T3131998 Technical Conditions for Household Solar Water Heaters VY/T5132002 Electric Auxiliary Heat Sources for Household Solar Water Heaters 3 Terms and Definitions
The following terms and definitions specified in 1/T12936 and NY/T343 and are used in this standard 3.1
Pressure-type Household Solar Water Heaters
The allowable working pressure is more than 0.MPa, suitable for Suitable for family and small collective use, solar collector with ether as main heat source. 3.2
Pressure storage tank
A solar water heater that can withstand the allowable standard pressure to store hot water. 3.3
Allowable working pressure
System pressure during long-term operation. The allowable working pressure specified in this standard should be greater than 0, MPa. 4 Model and marking
4.1 The model of the water heater is composed of uppercase Chinese characters and lowercase digits. 4.2 The model of the water heater consists of the following parts: water heater type, collector structure, absorber material type, water heater daylighting area, 1
NY/T 759—2003
Permissible workpiece pressure and water heater collection serial number, etc. 4.2.1 The first letter (indicates pressure, the second letter indicates the type of water heater (see Table 1) Table 1 Water heater type
Natural circulation type
The third letter indicates the structure of the collector (see Table 2) 4.2.2
Lei Di Wu
Table 2 Collector structure
Tube plate type
If other structures are used, refer to the method in Table 2. White line marking T
National Dutch type
Strong edge Circulation
Heat pipe type
4.2.3 The fourth step is to indicate the type of glass heat sink material (see Table 3). Glass heat sink material refers to the material of the heat sink process and mass flow channel. Table 3 Type of heat sink material
Terms and conditions
If other materials are used, please refer to the method in Table 3 for marking. 13
Stainless steel
4.2.4 Use Arabic numerals to indicate the area of small water heaters. Keep the decimal point. The unit is square meters (m). When using tubular heat sinks, Arabic numerals are used to indicate the number of units. 4.2.5 Use Arabic numerals to indicate the working pressure - enclose the numbers in brackets. The unit is megapascals (MPa). 4.2.6 The water heater serial number is indicated by the symbol "\", and the space is separated by "4.2.7 The water heater electric auxiliary heating device is indicated by the voltage symbol "V", and the symbol "V" is added after the serial number. 4.3 Model marking example
15 heat pipes natural circulation type 2 household water heater with electric heating is marked as: CZR
Technical requirements
5.1 Performance requirements
Water heater electric auxiliary heating device
Water heater serial number is type 2
Water heater working pressure is 9.4MPa
The hot water curtain is 15 built-in heat pipes
The heat collector is glass
The collector structure is built-in heat pipe type
-Water heater type is natural circulation
5.1.1 In full GR/T 12915.-199[under the test conditions required, the thermal performance indicators of the water heater shall meet the following requirements: 5.1.1.1 The average efficiency of the natural circulation water heater shall not be less than 45%, and the average thermal coefficient shall not be higher than 5.0W (m, r); 5.1.1.2 The average daily efficiency of the condensation water heater shall not be less than 15%, and the average heat loss coefficient shall not be higher than 13.0W/m, C); 5.1.1.3 The average daily efficiency of the industrial circulation water heater shall not be less than 45%. The average heat loss coefficient shall not be higher than -2.0W/m, T); various antifreeze water heaters shall be used in an environment with an overflow of not less than -5℃, and the average daily efficiency shall not be less than 30%. 5.1.1.4
5.1.1.5 Water heaters in special installation locations (such as>, the average efficiency [less than 5.1.2 Various pressurized household water heaters shall be able to withstand 1.5 times the allowable temperature 1. Strict working method NY/T 759—2003
5.1.3 Under the condition of the whole body radiation dose greater than 17030k/m, the deformation of the product shall be observed after a period of time.
5.1.4 Under the condition of the rainfall not less than 230)1mm/, after continuous use for "h, there shall be no leakage of hot water. 5.1.5 The water heater shall have sufficient rigidity to ensure normal operation. During the process of moving, using and repairing, the connection of each component shall not be broken or deformed.
5.1.6 The antifreeze water heater shall be able to withstand Under the climate condition of the lowest ambient temperature at night: 7°, the 6h frost test shall be conducted without cracks and damages, and the product can continue to be used after thawing: 5.1.7 The performance of the electric auxiliary heating element shall comply with the requirements of NYT512C02, and the installation shall comply with the requirements of 1470 and 1308. The wiring shall use materials that comply with the provisions of GR5013.21397. 5.2 Structural requirements
5.2.1 The connection between the various components of the water heater shall be simple, and the installation, maintenance and transportation of the water heater shall be simple and easy. 5.2.2 The water storage system of the water heater shall be equipped with an installation device. For small collectors that are not resistant to cooling, drainage is installed at the bottom of the collector. 5.2.3 For naturally circulating hot water, in order to reduce flow resistance, the injection pipe should be as close to the head as possible. The water flow direction of the pipe must have a slope to the right. In order to ensure that the water temperature and the dead point of the water heater are between kmkg/m, the connection height of the ring pipe and the water tank must be low. The above requirements are required for 5.3 Material requirements
5.3.1 The surfaces of all parts of the water heater that come into contact with water should have good oil-free properties. The hot water provided by the water heater should be free of smell and odor. The water quality should be the same as the original water quality.
5.3.2 The solar transmittance of the transparent cover should not be less than 0.7. The glass transmittance is connected! : 49: 5.3.3 The solar absorption rate of the deep layer of the heat absorber shall not be less than 2, with strong adhesion and high resistance to thermal shock, and heat resistance and mechanical salt resistance: The non-metallic heat absorber that does not require coating shall be small in slope absorption, and the full-glazed tube coating shall be in accordance with G3/T17019-199 heat conduction
5.3.4 The heat insulation components of the collector and water storage system are made of heat-conducting materials. They are not made of real estate. There is no deterioration and shrinkage due to irrigation.
5.3.5 The outer frame of the collector and the water tank can be made of other materials or high-quality materials. The outer shell surface should meet the requirements of GH/1720I/T170 and G163. The joints should be reduced by 3:1#19# and can ensure long-term normal operation under normal pressure. 5.4 Appearance requirements
5.4.1 The outer surface should be flat, without obvious wrinkles, scratches, stains, other reflections, and cracks. 5.4.2 The coating of the heat absorber should be uniform, without light, moisture, cracks and agent falling. 6 Test method
6.1 Thermal properties Performance test
The heat sink performance test of the water heater is carried out according to the method of (B/T12915:1 to evaluate the compliance of the product with the provisions of Article 11.
6.2 Pressure test
The water heater is set at the angle of inclination in actual use, and the hot water curtain is filled with water:, use the pressure test device to test the pressure, and the actual card is about the water injection head specified in 5.1.2 of this standard, and the pressure is 15m. The bubble wave test proves that the water seepage: the pressure test parts have no obvious permanent changes.
6.3 Air drying test
The water heater filled with water is set at the angle of inclination in actual use, and the average annular flow rate is 3 above the water heater lighting room.
VY/F 759—2003
Under the condition of the maximum solar radiation of more than 1? (00kl/m. After two days of continuous air exposure, check whether the components are damaged and deformed.
6.4 Rain Test
Place the water heater at the inclination angle in actual use, and spray it vertically with tap water. The water spray volume is not less than 100 kg/m\·:). The spray surface and the vertical projection area of the water heater should not be less than 80%. After the test, the water heater should not be drowned. 6.5 Stiffness Test
Place the collector without water at the inclination angle in actual use. Then pick up any end from the ground for 100mm and keep it for 5m:n. After putting it down, check whether the components and the joints between them are damaged and deformed. 6.6 Frost Test
Place the antifreeze water heater at the inclination angle in actual use. Place it in the corner and fill it with 20% ℃ water. When the lowest ambient temperature at night is -13℃~-17℃, place it until the next day. Place the water heater in a cold place under the same temperature conditions. After 6 hours of frost resistance test, thaw it with appropriate methods. After repeating the test for times, if there are no cracks, it can be tested with withstand voltage according to the method in 5.2 of standard.
6.7 Inspection of electric heating elements
Power on the electric auxiliary heating elements and observe them. Check whether they meet the requirements specified in VY/T5132u02 or provide valid quality inspection certificates by the manufacturer.
6.8 Inspection of power cord
The power cord should meet the requirements specified in GB5013.2·-1917. 6.9 Appearance inspection
According to this standard, 4. "and, 1.2 6.10 Safety inspection
For equipment without special standards, its safety test method shall be carried out in accordance with the requirements of GB4706.1198 and relevant regulations. Water heaters with electric heating devices shall have reliable grounding measures and obvious grounding symbols: 6.11 Water quality inspection
Place the water heater at the actual use angle and fill it with water - under the condition of full-scale cumulative solar radiation of -179GkJ/m, the effective rate is: · people, then release the hot water and check whether there is rust, foreign matter or other harmful substances in the water. 7 Inspection rules
7.1 Inspection classification
The inspection of water heater products is divided into factory inspection and type inspection. 7.2 Factory inspection
7.2.1 Products are inspected one by one before delivery! Inspection, 7.2.2 Factory inspection includes durability test and appearance inspection. 7.3.3 Only products that meet the above two requirements can be shipped. 7.3 Type inspection
7.3.1 When the product has any of the following conditions, type inspection should be carried out: when new product is being trial-produced;
) when the product structure, material or process is changed and the product performance is affected; when the old product is transferred to another factory or the production is resumed after being discontinued for more than half a year;
) Under normal production conditions, the product is regularly subject to comprehensive age inspection; when the national quality supervision agency has issued a requirement for type inspection;
7.3.2 Type inspection is carried out before shipment! Random sampling of a certain batch of qualified products (not less than 100 sets): 100 to 3 sets: 7.3.3 Type inspection includes tests on thermal performance, pairing, wear, rain, rigidity, frost resistance, coating, core heating element, power cord, etc., as well as inspections on structure, water quality, appearance, etc. NY/T 759--2003 7.3.4 Products that pass all the tests are considered qualified: Products that fail any of the two items in the shrinkage and external inspections, or any of the other inspections are considered unqualified are considered unqualified. Marking and packaging
The water heater should be equipped with a sign in a visible position, indicating the following: manufacturer's mark;
h) product name and type;
daylighting area or number of collector tubes, water capacity and thermal conductivity; allowable working pressure, operating temperature and voltage, power rating of the heat source;
manufacturing date and factory number.
8.2 The packaging of the water heater shall comply with the provisions of GB.T13384. On the premise of ensuring that the product is not damaged, it can be easily packaged for short-distance transportation.
8.3 The following documents should be carried with the water heater when it leaves the factory: Product certificate:
) Product description Scan:
) Spare parts list,
8.4 Water heater product description includes the following content: Appearance limit Small and flat volume:
Lighting area or number of heat pipes, water volume and thermal efficiency: h
Installation and use method:
) Maintenance precautions.
8.5 Packaging mark
The packaging mark of the hot water curtain shall comply with the provisions of GI3/door 191, and the following content shall be included in the third part: "Be careful to put", "Be careful to send", "No rolling", "\standard weight limit" and other marks, 5
NY/T 759-2003
Agriculture
Industry Standard of the People's Republic of China
Technical Specifications for Pressurized Solar Water Heaters NY/T 75:--2003
China Standards Press, Shan Edition
No. 6, Sanlihebei Street, Fuxingmenwai, Beijing
Postal Code: 10301
Tel: 68323946685:7548
Printed by China Standards Yashang Publishing House, Shidao Printing Factory, Xinhua Bookstore, Beijing Distribution Office, Distributed by: Xinhua Bookstores in various places*
Binary Edition 880:.12301/16 Printing Sheet 3/4 Number of Words 12,000 Words First Edition February 2004 Second Printing February 2004 Number of Prints 180
F: 155066 2-15623
3Price 10.00 yuan
Website bache.com
Copyright exclusive. Infringements must be investigated
Report phone number: (0101685335334 Rain test
Place the water heater at the actual inclination angle used, and spray tap water vertically, with the water spraying amount not less than 100 kg/m3 (kg/m3), and the spraying surface and not less than 80% of the vertical projection area of the water heater, and continue. After the test, the water heater should not be drowned. 6.5 Rigidity test
Place the collector without water at the actual inclination angle used. Then pick up any end from the ground for 100mm and hold it for 5m:n. After putting it down, check whether there is any damage and obvious deformation at the joints between the components and their doors: 6.6 Frost resistance test
Place the antifreeze water heater at the actual inclination angle used. After filling it with 20%℃ water, the lowest ambient temperature at night is -13℃~-17℃ (the remaining parts Place the water heater in a cold place under the same temperature and temperature conditions for 6 hours of frost resistance test, then thaw it with appropriate methods. After repeating the test for 10 times, if there is no crack, it can be tested with withstand voltage according to the method in 5.2 of standard.
6.7 Inspection of electric heating elements
Power on the electric auxiliary heating elements for observation. Check whether they meet the requirements specified in VY/T5132u02 or provide valid quality inspection certificates from the manufacturer.
6.8 Inspection of power cord
The power cord should meet the requirements specified in GB5013.2-1917. 6.9 Appearance inspection
According to this standard, 4. "and, 1.2 6.10 Safety inspection
Equipment without special standards. Its safety test method is to be carried out in accordance with the requirements of GB4706.1198 and relevant regulations. Water heaters with electric heating devices should have reliable grounding measures and obvious grounding symbols: 6.11 Water quality inspection
Place the water heater at the actual use angle and fill it with water - under the condition of full-scale cumulative solar radiation of -179GkJ/m, the effect is: · people, then release the hot water and check whether there is rust, foreign matter or other harmful substances in the water. 7 Inspection rules
7.1 Inspection classification
Water heater product inspection is divided into factory inspection and type inspection 7.2 Factory inspection
7.2.1 Before delivery, each product shall be inspected. 7.2.2 Factory inspection includes durability test and appearance inspection. 7.3.3 Products that meet the above two requirements can be shipped. 7.3 Type inspection
7.3.1 When any of the following conditions exist, a product shall be inspected: when a new product is being trial-produced; when the product structure, material or process is changed, which affects the product performance; when an old product is transferred to another factory or resumed after being discontinued for more than half a year; under normal production conditions, products shall be inspected regularly; when the national quality supervision agency has issued a requirement for type inspection; 7.3.2 Type inspection is carried out before shipment. Random sampling of a certain batch of qualified products (not less than 100 sets): 100 to 3 sets: 7.3.3 Type inspection includes tests on thermal performance, pairing, wear, rain, rigidity, frost resistance, coating, core heating element, power cord, etc., as well as inspections on structure, water quality, appearance, etc. NY/T 759--2003 7.3.4 Products that pass all the tests are considered qualified: Products that fail any of the two items in the shrinkage and external inspections, or any of the other inspections are considered unqualified are considered unqualified. Marking and packaging
The water heater should be equipped with a sign in a visible position, indicating the following: manufacturer's mark;
h) product name and type;
daylighting area or number of collector tubes, water capacity and thermal conductivity; allowable working pressure, operating temperature and voltage, power rating of the heat source;
manufacturing date and factory number.
8.2 The packaging of the water heater shall comply with the provisions of GB.T13384. On the premise of ensuring that the product is not damaged, it can be easily packaged for short-distance transportation.
8.3 The following documents should be carried with the water heater when it leaves the factory: Product certificate:
) Product description Scan:
) Spare parts list,
8.4 Water heater product description includes the following content: Appearance limit Small and flat volume:
Lighting area or number of heat pipes, water volume and thermal efficiency: h
Installation and use method:
) Maintenance precautions.
8.5 Packaging mark
The packaging mark of the hot water curtain shall comply with the provisions of GI3/door 191, and the following content shall be included in the third part: "Be careful to put", "Be careful to send", "No rolling", "\standard weight limit" and other marks, 5
NY/T 759-2003
Agriculture
Industry Standard of the People's Republic of China
Technical Specifications for Pressurized Solar Water Heaters NY/T 75:--2003
China Standards Press, Shan Edition
No. 6, Sanlihebei Street, Fuxingmenwai, Beijing
Postal Code: 10301
Tel: 68323946685:7548
Printed by China Standards Yashang Publishing House, Shidao Printing Factory, Xinhua Bookstore, Beijing Distribution Office, Distributed by: Xinhua Bookstores in various places*
Binary Edition 880:.12301/16 Printing Sheet 3/4 Number of Words 12,000 Words First Edition February 2004 Second Printing February 2004 Number of Prints 180
F: 155066 2-15623
3Price 10.00 yuan
Website bache.com
Copyright exclusive. Infringements must be investigated
Report phone number: (0101685335334 Rain test
Place the water heater at the actual inclination angle used, and spray tap water vertically, with the water spraying amount not less than 100 kg/m3 (kg/m3), and the spraying surface and not less than 80% of the vertical projection area of the water heater, and continue. After the test, the water heater should not be drowned. 6.5 Rigidity test
Place the collector without water at the actual inclination angle used. Then pick up any end from the ground for 100mm and hold it for 5m:n. After putting it down, check whether there is any damage and obvious deformation at the joints between the components and their doors: 6.6 Frost resistance test
Place the antifreeze water heater at the actual inclination angle used. After filling it with 20%℃ water, the lowest ambient temperature at night is -13℃~-17℃ (the remaining parts Place the water heater in a cold place under the same temperature and temperature conditions for 6 hours of frost resistance test, then thaw it with appropriate methods. After repeating the test for 10 times, if there is no crack, it can be tested with withstand voltage according to the method in 5.2 of standard.
6.7 Inspection of electric heating elements
Power on the electric auxiliary heating elements for observation. Check whether they meet the requirements specified in VY/T5132u02 or provide valid quality inspection certificates from the manufacturer.
6.8 Inspection of power cord
The power cord should meet the requirements specified in GB5013.2-1917. 6.9 Appearance inspection
According to this standard, 4. "and, 1.2 6.10 Safety inspection
Equipment without special standards. Its safety test method is to be carried out in accordance with the requirements of GB4706.1198 and relevant regulations. Water heaters with electric heating devices should have reliable grounding measures and obvious grounding symbols: 6.11 Water quality inspection
Place the water heater at the actual use angle and fill it with water - under the condition of full-scale cumulative solar radiation of -179GkJ/m, the effect is: · people, then release the hot water and check whether there is rust, foreign matter or other harmful substances in the water. 7 Inspection rules
7.1 Inspection classification
Water heater product inspection is divided into factory inspection and type inspection 7.2 Factory inspection
7.2.1 Before delivery, each product shall be inspected. 7.2.2 Factory inspection includes durability test and appearance inspection. 7.3.3 Products that meet the above two requirements can be shipped. 7.3 Type inspection
7.3.1 When any of the following conditions exist, a product shall be inspected: when a new product is being trial-produced; when the product structure, material or process is changed, which affects the product performance; when an old product is transferred to another factory or resumed after being discontinued for more than half a year; under normal production conditions, products shall be inspected regularly; when the national quality supervision agency has issued a requirement for type inspection; 7.3.2 Type inspection is carried out before shipment. Random sampling of a certain batch of qualified products (not less than 100 sets): 100 to 3 sets: 7.3.3 Type inspection includes tests on thermal performance, pairing, wear, rain, rigidity, frost resistance, coating, core heating element, power cord, etc., as well as inspections on structure, water quality, appearance, etc. NY/T 759--2003 7.3.4 Products that pass all the tests are considered qualified: Products that fail any of the two items in the shrinkage and external inspections, or any of the other inspections are considered unqualified are considered unqualified. Marking and packaging
The water heater should be equipped with a sign in a visible position, indicating the following: manufacturer's mark;
h) product name and type;
daylighting area or number of collector tubes, water capacity and thermal conductivity; allowable working pressure, operating temperature and voltage, power rating of the heat source;
manufacturing date and factory number.
8.2 The packaging of the water heater shall comply with the provisions of GB.T13384. On the premise of ensuring that the product is not damaged, it can be easily packaged for short-distance transportation.
8.3 The following documents should be carried with the water heater when it leaves the factory: Product certificate:
) Product description Scan:
) Spare parts list,
8.4 Water heater product description includes the following content: Appearance limit Small and flat volume:
Lighting area or number of heat pipes, water volume and thermal efficiency: h
Installation and use method:
) Maintenance precautions.
8.5 Packaging mark
The packaging mark of the hot water curtain shall comply with the provisions of GI3/door 191, and the following content shall be included in the third part: "Be careful to put", "Be careful to send", "No rolling", "\standard weight limit" and other marks, 5
NY/T 759-2003
Agriculture
Industry Standard of the People's Republic of China
Technical Specifications for Pressurized Solar Water Heaters NY/T 75:--2003
China Standards Press, Shan Edition
No. 6, Sanlihebei Street, Fuxingmenwai, Beijing
Postal Code: 10301
Tel: 68323946685:7548
Printed by China Standards Yashang Publishing House, Shidao Printing Factory, Xinhua Bookstore, Beijing Distribution Office, Distributed by: Xinhua Bookstores in various places*
Binary Edition 880:.12301/16 Printing Sheet 3/4 Number of Words 12,000 Words First Edition February 2004 Second Printing February 2004 Number of Prints 180
F: 155066 2-15623
3Price 10.00 yuan
Website bache.com
Copyright exclusive. Infringements must be investigated
Report phone number: (0101685335334. Products that pass all the tests are deemed qualified: Products that fail any of the two items in the structure and external inspections, or any of the other tests, are deemed unqualified. 8. Marking and packaging
The water heater should be equipped with a sign in a visible position to indicate the following: manufacturer's name;
h) product name and model:
daylighting area or number of collector tubes, water capacity and thermal conductivity; allowable working pressure, operating temperature;
operating voltage and power of the heat source;
manufacturing date and factory number.
8.2 The packaging of the water heater shall comply with the provisions of GB.T13384. On the premise of ensuring that the product is not damaged, it can be easily packaged for short-distance transportation. wwW.bzxz.Net
8.3 The following documents should be carried with the water heater when it leaves the factory: Product certificate:
) Product description Scan:
) Spare parts list,
8.4 Water heater product description includes the following content: Appearance limit Small and flat volume:
Lighting area or number of heat pipes, water volume and thermal efficiency: h
Installation and use method:
) Maintenance precautions.
8.5 Packaging mark
The packaging mark of the hot water curtain shall comply with the provisions of GI3/door 191, and the following content shall be included in the third part: "Be careful to put", "Be careful to send", "No rolling", "\standard weight limit" and other marks, 5
NY/T 759-2003
Agriculture
Industry Standard of the People's Republic of China
Technical Specifications for Pressurized Solar Water Heaters NY/T 75:--2003
China Standards Press, Shan Edition
No. 6, Sanlihebei Street, Fuxingmenwai, Beijing
Postal Code: 10301
Tel: 68323946685:7548
Printed by China Standards Yashang Publishing House, Shidao Printing Factory, Xinhua Bookstore, Beijing Distribution Office, Distributed by: Xinhua Bookstores in various places*
Binary Edition 880:.12301/16 Printing Sheet 3/4 Number of Words 12,000 Words First Edition February 2004 Second Printing February 2004 Number of Prints 180
F: 155066 2-15623
3Price 10.00 yuan
Website bache.com
Copyright exclusive. Infringements must be investigated
Report phone number: (0101685335334. Products that pass all the tests are deemed qualified: Products that fail any of the two items in the structure and external inspections, or any of the other tests, are deemed unqualified. 8. Marking and packaging
The water heater should be equipped with a sign in a visible position to indicate the following: manufacturer's name;
h) product name and model:
daylighting area or number of collector tubes, water capacity and thermal conductivity; allowable working pressure, operating temperature;
operating voltage and power of the heat source;
manufacturing date and factory number.
8.2 The packaging of the water heater shall comply with the provisions of GB.T13384. On the premise of ensuring that the product is not damaged, it can be easily packaged for short-distance transportation.
8.3 The following documents should be carried with the water heater when it leaves the factory: Product certificate:
) Product description Scan:
) Spare parts list,
8.4 Water heater product description includes the following content: Appearance limit Small and flat volume:
Lighting area or number of heat pipes, water volume and thermal efficiency: h
Installation and use method:
) Maintenance precautions.
8.5 Packaging mark
The packaging mark of the hot water curtain shall comply with the provisions of GI3/door 191, and the following content shall be included in the third part: "Be careful to put", "Be careful to send", "No rolling", "\standard weight limit" and other marks, 5
NY/T 759-2003
Agriculture
Industry Standard of the People's Republic of China
Technical Specifications for Pressurized Solar Water Heaters NY/T 75:--2003
China Standards Press, Shan Edition
No. 6, Sanlihebei Street, Fuxingmenwai, Beijing
Postal Code: 10301
Tel: 68323946685:7548
Printed by China Standards Yashang Publishing House, Shidao Printing Factory, Xinhua Bookstore, Beijing Distribution Office, Distributed by: Xinhua Bookstores in various places*
Binary Edition 880:.12301/16 Printing Sheet 3/4 Number of Words 12,000 Words First Edition February 2004 Second Printing February 2004 Number of Prints 180
F: 155066 2-15623
3Price 10.00 yuan
Website bache.com
Copyright exclusive. Infringements must be investigated
Report phone number: (010168533533
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