Some standard content:
ICS23.120
Machinery Industry Standard of the People's Republic of China
JB9067-1999
Air curtain
Air curtain
1999-07-12 Issued
National Machinery Industry Bureau
2000-01-01 Implementation
JB/T9067—1999
Cited standards
Type and basic parameters
Test methods
Inspection and supervision rules
8 Marking, packaging and compensation and storage
Appendix A (Appendix to the standard)
Appendix B [Thanks to the standard]||tt| |Appendix C (Thanks for the recommendation)
Air heat exchange performance test
Test device part
Wind speed test
JBT9067—1999
This standard is a revision of ZBJ72028.1-89 air curtain type and basic parameters, ZB2028.2--89 air curtain technical conditions and J7228.38 air curtain test method. The standard will replace 2B17228128.7—8 standards issued by the National Refrigeration Equipment Standard Physical and Chemical Technical Committee and is under the jurisdiction of this standard. The drafting unit of this standard is Tongji University. The main drafters of this standard: Li Qiangjian, Xu Bangling: 1 Scope
Machinery Industry Standard of the People's Republic of China
Air curtain
Air curtain
JB/T 906T—1999
Generation ZB J72 028.1-028.3—89
This standard specifies the type and quality parameters of air curtains, specifies the technical requirements, test methods and inspection specifications and markings of other air curtains, specifies the test methods and results of air curtains. This standard applies to air curtains equipped with centrifugal fans, centrifugal fans and axial fans. The air curtains connected to the duct system are not included in the machine standard. 2 Referenced standards
The provisions contained in the following standards constitute the text of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision. Parties using this standard shall explore the possibility of using the latest versions of the following standards: G06
JB/T4287-.:091
IRT 47921991
79065—1999
3 Definitions
This standard adopts the following definitions.
3.1 Top-feed type
Air coil unit
Technical conditions for coils
Technical conditions for packaging and use of heating and ventilation equipment refers to the method in which the air conditioner is installed on the upper part of the toilet or other places where air exchange needs to be isolated, and the air is supplied downward (see Figure 1). 3.2 Delivery type
Refers to the method in which the air conditioner is installed on one or both sides of the door opening or other occasions where air exchange needs to be isolated, and the horizontal wind energy is the way (see Figure 22).
Approved by Jusuo Machinery Industry Bureau on July 12, 2000, implemented on January 04, 2000. 4 Types and basic parameters
4.—Type
JB/T 9067—1999
4.1.1 The treatment state of air delivery is divided into non-heated air curtain and hot air curtain. The air curtain is divided into horizontal and vertical installation types; the fan types are liquid-through type, centrifugal type and axial flow type; the heat source types are hot water: steam: heat, and the air curtain type code is in accordance with the provisions of Table 1. Table!
Air name
Installation type
Heat source type
Fan type
Non-heated air curtain
Hot air curtain
Horizontal installation
Vertical installation
Centrifugal type
Axial type
4.1.2 The model of the air curtain is composed of capital letters, Arabic numerals or Arabic numerals, and its physical representation method is as follows: -口0 0-口-口-
Difference: Arabic numerals
Heat source type: code see Table 1 (hot steam is not indicated) Installation type: code see Table 1 (horizontal installation is not indicated) Fan type: code see Table 1 (flow type is not indicated) Nominal width of outlet air discharge (see Table 2): two-digit × 100mmu-impedance outer diameter (see Table 2): two-digit × 100mmProduct name: code see Table 1
4. 1. 3 Model example
PM-15W-℃, that is, the nominal diameter of the impeller is 150mL, the nominal width of the outlet air is 900, equipped with a uniform flow fan, and vertically installed non-heated air.
M-1S12L-S, that is, the nominal width of the impeller is 10mnl, the nominal width of the outlet air flow is 12Dnmm, equipped with a centrifugal fan, horizontally installed, and air distribution with water as the heat source. 4. 2 4.2.1 The rated voltage of AC power supply is 220V single phase or 380V three phase, and the rated frequency is 50H2, 2
3D/T9067-1999
4.2.2 The basic parameters of air curtain shall comply with Table 2 and Table 3: Table 2
Flow type
Sugar washing type
High center element
Nominal diameter of guide wheel
Outflow nominal degree
00::12
6D0:90D:1200
[200: 15DO: 18D0
9u); 12k); 15l; 18l; 2in0
1800: 2ID0: 2400: 2700: 3XM
33(0;3600;3900:42():45(00
3000:3360:360D:3900:4200;450Table 3
Application category
Long-term use, commercial use
Industrial use
1.2.3 The nominal fan disk and yoke rated power of the air compressor shall be determined according to the working conditions specified in Table 4. Table 4
Allow the change of the brightness
Supply condition
Fan reverse||t t||Outlet static pressure
Name must air volume
720)-25(K)
1800-500
1000~16
K21EI1
17500--5203X3
Name Wenshan
1. Condition parameters
No heating
Fusion setting change high speed
Set high speed gradually refers to the micro-setting and the formulation of the name of the wind volume to the heart: high speed traces. 4.2.4
Gas supply heating parameters shall be determined according to the following conditions specified in Table 5 Table 5
Inlet steam pressure
Fan speed
Outlet pressure
1 Jinwei
3.01--5.t
Determine the highest speed
Risk supply heating
1.3- 12.1
[2.1-70.5
For cold pressing
10-120.46
4h.9-255.y
117.2-338.5
5 Requirements
JB/T9067-1999
5.1 The air curtain shall meet the requirements of this standard and be produced according to the drawings and technical documents approved by the regulations. 2 The air conditioner is guaranteed to work under the conditions in Table 6. Installation 6
Non-heating gas working environment
Heating gas working environment
Circumferential pressure
Thinness
Rated power supply error
5.3 Technical parameters of air conditioner
The electric power of air conditioner is determined by the input power in Table 5. 3. 1
Wind type
Air flow
Nanoflow
Fan nominal diameter
2 Heat
1>Incremental wind recording time
Nominal wind range
350-90)
7202500
1800~5000
1000-1600
7000-2100G
1750K-52000
5.3.2 Maximum allowable difference between measured wind and nominal wind of air group -8% Technical index
-1C- 40
Name Wenye Speed
5.3.3 The maximum allowable difference between the actual measured power and the nominal heat of the air is -[0%5.3.4 The maximum allowable difference between the actual measured power and the nominal heat of the air is %.3.5.3.6 The air delivery rate is 1.00% of the average speed of the stock. The motor frequency is set to the power!
5.3.6 The air delivery type is sprayed! The door speed is reduced from the bottom to the top in a gradient state, and the amount of air flow at the bottom is reduced and the bottom reaches the nominal output! 5.3. The temperature rise of the motor winding, hot insulation resistance, grounding resistance, insulation strength, leakage current and other indicators of the air curtain shall be in accordance with the relevant provisions of JB/T423. 5.3. The water value of the whole air curtain coil shall not exceed 20% under the standard condition. 5.39 The electric heating type air curtain is used as the fan. The heater power is turned on. When the electric heating is turned off, the fan is stopped. 53. For air curtains with a fan length of more than 1200m, the required air separation and the seat shall have a good energy reduction device. 5.4 Life and noise JBT9067-1995 5.4.1 The full operation time of the air curtain shall be not less than 8000h. The air quality of the coil test technology 1B/Jin 4292-1991 shall be implemented in accordance with 1.14. 5.4.3
5.4.3 The air quality of the coil (acoustic) limit shall not exceed the attenuation regulations. Table 8
350-500
501-[030
1001-2000
2001-3000
3001-5000
1500-3000
5(K))--8000
BODL.-1600K
16001~52000
1 Wind is 1000~[600h
Requirements for important parts
Solid type
Standard parts, outsourced parts and purchased parts must comply with the provisions of relevant standards and be accompanied by a certificate of conformity. 5.51
5.5.2 The coils used in the air curtain shall comply with the relevant provisions of 1B/T4292. 5.5.3 The electric heaters and distribution circuits used in the electric heating air curtain shall be manufactured in accordance with the unified requirements of electric heating gas. dD(A)
5.5.4 The steel welding of the air curtain shall be free of defects such as corrosion, burn-through, unevenness, etc. The bracket welding shall ensure sufficient humidity and brushing. 5.5.5 The air distributor of the air belt shall ensure reasonable airflow. 5.65 Under the conditions that the user complies with the provisions of the product manual, within 18 months from the date of shipment from the manufacturer, if the air curtain is damaged or cannot work normally due to poor manufacturing quality, the manufacturer shall repair or replace it free of charge. 6 Test methods 6.1 Test conditions The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. 9067—1999
6.1.2 The allowable deviation of the test readings shall be in accordance with the provisions of Table 10. The water inlet temperature and the static pressure difference between the air outlet and the test room Pa
6.2 The measuring instruments and precision
shall be in accordance with the relevant provisions of H4283.
6.3 Thermal performance test
shall be in accordance with the provisions of Appendix A (Appendix to the standard). 6.4 Leakage test
shall be in accordance with the relevant provisions of JR423
6.5 Insulation dielectric test
shall be in accordance with the relevant provisions of JB4283.
6.6 Insulation dielectric strength test
shall be in accordance with the relevant provisions of JB4283.
6.7 Start-up and operation test
According to the relevant provisions of B/T4283.
6.8 External load inspection
According to the relevant provisions of JB/T4283,
r.9 Wind test
According to the relevant provisions of JB/T4283
610 Comparison of power and electric test
Single reading and specified test
Worker's average reading is required to meet the specified test conditions
While conducting the acid test in 5.2, the input power and current values of the electric and electric heaters of the air curtain are measured respectively. 6.11 Hot air curtain heating and test
According to the relevant provisions of B/T4283.
6.12 Temperature rise test of motor winding
According to the relevant provisions of B/T428.
6.13 Leakage current reduction test
According to the relevant provisions of JB/T423.
6.14 Ground resistance test
According to the relevant provisions of JB/T4283.
6.15 Damp heat test
According to the relevant provisions of JB/T4283
6.16 Hot air curtain water resistance test
According to the relevant provisions of B/T4283.
6.17 Puff test
According to the relevant provisions of JB/T4283,
6.18 Wind speed test
According to the provisions of Appendix (Appendix of the standard). 7.1 The performance test of air curtains shall be in accordance with the provisions of Chapter 5. 7.3 All parts and the whole product of air curtains shall be inspected by the appropriate inspection department of the manufacturer in accordance with this standard and technical documents: Air curtain inspection table 11 Inspection items Input power and power supply Heating air reheating Motor winding rise Water resistance Hot state voltage Grounding core Continuous dielectric conductivity Continuous current Self-test, operation Inspection requirements New products and old products to be trial-produced, products that have been discontinued for more than one year, and products that are put into production again shall all be subject to type inspection. 7. 3. 1
When changes in important raw materials, design, and process structure may affect the performance of the product, a type inspection shall be conducted. 7.3. 2
7.3.3 The inspection shall be conducted in accordance with the provisions of Table 12. If there are any unqualified products, additional inspections shall be conducted. If they are still unqualified, remote inspections shall be conducted. Table 12
Same model annual production
Sampling sensitivity
7.3.4 The same type of air curtains shall be inspected. JB/T9067-1999
7.3.5 The appearance inspection and start-up and operation tests in the factory inspection shall be conducted in accordance with the relevant provisions in Chapter 5. 3.6 Factory inspection also includes that the accessories and accompanying parts should be complete and accurate, S mark, packaging, storage
8.1 Each air conditioner shall be fixed with a label in an obvious position, and its form, size and specifications shall comply with the provisions of GB/T13306, and shall be marked with the following contents:
a) Name of manufacturer:
Product model and name;
Main technical parameters;
d) Manufacturing date or serial number
B.2 The air conditioner shall be marked with a trademark
8.3 The packaging of air conditioners shall comply with the provisions of JB/T9065: The air conditioners shall be stored in a ventilated and dry warehouse or shed for 1 year, and the products shall be protected from corrosion and erosion. The storage period is one year, and timely inspection shall be carried out if it exceeds one year. A1 Test device
JBT906-1999
Appendix A
(Standard recording)
Air curtain thermal performance test
The air and air parameters passing through the air curtain are tested using the device shown in Figure A1, and the water volume and water flow rate passing through the air curtain are measured using the device shown in Figure 2.1 The full operation time of the air exchanger shall be no less than 8000h. The air coil test technology 1B/Jin 4292-1991 shall be implemented in accordance with 1.14. 5.4.3
5.4.3 The air noise (acoustic) limit value shall not exceed the attenuation regulations. Table 8
350-500
501-[030
1001-2000
2001-3000
3001-5000
1500-3000
5(K))--8000
BODL.-1600K
16001~52000
1 Wind is 1000~[600h
Requirements for important parts
Solid type
Standard parts, outsourced parts and purchased parts must comply with the provisions of relevant standards and be accompanied by a certificate of conformity. 5.51
5.5.2 The coils used in the air curtain shall comply with the relevant provisions of 1B/T4292. 5.5.3 The electric heaters and distribution circuits used in the electric heating air curtain shall be manufactured in accordance with the unified requirements of electric heating gas. dD(A)
5.5.4 The steel welding of the air curtain shall be free of defects such as corrosion, burn-through, unevenness, etc. The bracket welding shall ensure sufficient humidity and brushing. 5.5.5 The air distributor of the air belt shall ensure reasonable airflow. 5.65 Under the conditions that the user complies with the provisions of the product manual, within 18 months from the date of shipment from the manufacturer, if the air curtain is damaged or cannot work normally due to poor manufacturing quality, the manufacturer shall repair or replace it free of charge. 6 Test methods 6.1 Test conditions The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. 9067—1999
6.1.2 The allowable deviation of the test readings shall be in accordance with the provisions of Table 10. The water inlet temperature and the static pressure difference between the air outlet and the test room Pa
6.2 The measuring instruments and precision
shall be in accordance with the relevant provisions of H4283.
6.3 Thermal performance test
shall be in accordance with the provisions of Appendix A (Appendix to the standard). 6.4 Leakage test
shall be in accordance with the relevant provisions of JR423
6.5 Insulation dielectric test
shall be in accordance with the relevant provisions of JB4283.
6.6 Insulation dielectric strength test
shall be in accordance with the relevant provisions of JB4283.
6.7 Start-up and operation test
According to the relevant provisions of B/T4283.
6.8 External load inspection
According to the relevant provisions of JB/T4283,
r.9 Wind test
According to the relevant provisions of JB/T4283
610 Comparison of power and electric test
Single reading and specified test
Worker's average reading is required to meet the specified test conditions
While conducting the acid test in 5.2, the input power and current values of the electric and electric heaters of the air curtain are measured respectively. 6.11 Hot air curtain heating and test
According to the relevant provisions of B/T4283.
6.12 Temperature rise test of motor winding
According to the relevant provisions of B/T428.
6.13 Leakage current reduction test
According to the relevant provisions of JB/T423.
6.14 Ground resistance test
According to the relevant provisions of JB/T4283.
6.15 Damp heat test
According to the relevant provisions of JB/T4283
6.16 Hot air curtain water resistance test
According to the relevant provisions of B/T4283.
6.17 Puff test
According to the relevant provisions of JB/T4283,
6.18 Wind speed test
According to the provisions of Appendix (Appendix of the standard). 7.1 The performance test of air curtains shall be in accordance with the provisions of Chapter 5. 7.3 All parts and the whole product of air curtains shall be inspected by the appropriate inspection department of the manufacturer in accordance with this standard and technical documents: Air curtain inspection table 11 Inspection items Input power and power supply Heating air reheating Motor winding rise Water resistance Hot state voltage Grounding core Continuous dielectric conductivity Continuous current Self-test, operation Inspection requirements New products and old products to be trial-produced, products that have been discontinued for more than one year, and products that are put into production again shall all be subject to type inspection. 7. 3. 1
When changes in important raw materials, design, and process structure may affect the performance of the product, a type inspection shall be conducted. 7.3. 2
7.3.3 The inspection shall be conducted in accordance with the provisions of Table 12. If there are any unqualified products, additional inspections shall be conducted. If they are still unqualified, remote inspections shall be conducted. Table 12
Same model annual production
Sampling sensitivity
7.3.4 The same type of air curtains shall be inspected. JB/T9067-1999
7.3.5 The appearance inspection and start-up and operation tests in the factory inspection shall be conducted in accordance with the relevant provisions in Chapter 5. 3.6 Factory inspection also includes that the accessories and accompanying parts should be complete and accurate, S mark, packaging, storage
8.1 Each air conditioner shall be fixed with a label in an obvious position, and its form, size and specifications shall comply with the provisions of GB/T13306, and shall be marked with the following contents:
a) Name of manufacturer:
Product model and name;
Main technical parameters;
d) Manufacturing date or serial number
B.2 The air conditioner shall be marked with a trademark
8.3 The packaging of air conditioners shall comply with the provisions of JB/T9065: The air conditioners shall be stored in a ventilated and dry warehouse or shed for 1 year, and the products shall be protected from corrosion and erosion. The storage period is one year, and timely inspection shall be carried out if it exceeds one year. A1 Test device
JBT906-1999
Appendix A
(Standard recording)
Air curtain thermal performance test
The air and air parameters passing through the air curtain are tested using the device shown in Figure A1, and the water volume and water flow rate passing through the air curtain are measured using the device shown in Figure 2.1 The full operation time of the air exchanger shall be no less than 8000h. The air coil test technology 1B/Jin 4292-1991 shall be implemented in accordance with 1.14. 5.4.3
5.4.3 The air noise (acoustic) limit value shall not exceed the attenuation regulations. Table 8
350-500
501-[030
1001-2000
2001-3000
3001-5000
1500-3000
5(K))--8000
BODL.-1600K
16001~52000
1 Wind is 1000~[600h
Requirements for important parts
Solid type
Standard parts, outsourced parts and purchased parts must comply with the provisions of relevant standards and be accompanied by a certificate of conformity. 5.51
5.5.2 The coils used in the air curtain shall comply with the relevant provisions of 1B/T4292. 5.5.3 The electric heaters and distribution circuits used in the electric heating air curtain shall be manufactured in accordance with the unified requirements of electric heating gas. dD(A)
5.5.4 The steel welding of the air curtain shall be free of defects such as corrosion, burn-through, unevenness, etc. The bracket welding shall ensure sufficient humidity and brushing. 5.5.5 The air distributor of the air belt shall ensure reasonable airflow. 5.65 Under the conditions that the user complies with the provisions of the product manual, within 18 months from the date of shipment from the manufacturer, if the air curtain is damaged or cannot work normally due to poor manufacturing quality, the manufacturer shall repair or replace it free of charge. 6 Test methods 6.1 Test conditions The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. The test conditions shall be as specified in Table 5. 9067—1999
6.1.2 The allowable deviation of the test readings shall be in accordance with the provisions of Table 10. The water inlet temperature and the static pressure difference between the air outlet and the test room Pa
6.2 The measuring instruments and precision
shall be in accordance with the relevant provisions of H4283.
6.3 Thermal performance test
shall be in accordance with the provisions of Appendix A (Appendix to the standard). 6.4 Leakage test
shall be in accordance with the relevant provisions of JR423
6.5 Insulation dielectric test
shall be in accordance with the relevant provisions of JB4283.
6.6 Insulation dielectric strength test
shall be in accordance with the relevant provisions of JB4283.
6.7 Start-up and operation test
According to the relevant provisions of B/T4283.
6.8 External load inspection
According to the relevant provisions of JB/T4283,
r.9 Wind test
According to the relevant provisions of JB/T4283
610 Comparison of power and electric test
Single reading and specified test
Worker's average reading is required to meet the specified test conditions
While conducting the acid test in 5.2, the input power and current values of the electric and electric heaters of the air curtain are measured respectively. 6.11 Hot air curtain heating and test
According to the relevant provisions of B/T4283.
6.12 Temperature rise test of motor winding
According to the relevant provisions of B/T428.
6.13 Leakage current reduction test
According to the relevant provisions of JB/T423.
6.14 Ground resistance test
According to the relevant provisions of JB/T4283.
6.15 Damp heat test
According to the relevant provisions of JB/T4283
6.16 Hot air curtain water resistance test
According to the relevant provisions of B/T4283.
6.17 Puff test
According to the relevant provisions of JB/T4283,
6.18 Wind speed test
According to the provisions of Appendix (Appendix of the standard). 7.1 The performance test of air curtains shall be in accordance with the provisions of Chapter 5. 7.3 All parts and the whole product of air curtains shall be inspected by the appropriate inspection department of the manufacturer in accordance with this standard and technical documents: Air curtain inspection table 11 Inspection items Input power and power supply Heating air reheating Motor winding rise Water resistance Hot state voltage Grounding core Continuous dielectric conductivity Continuous current Self-test, operation Inspection requirements New products and old products to be trial-produced, products that have been discontinued for more than one year, and products that are put into production again shall all be subject to type inspection. 7. 3. 1
When changes in important raw materials, design, and process structure may affect the performance of the product, a type inspection shall be conducted. 7.3. 2
7.3.3 The inspection shall be conducted in accordance with the provisions of Table 12. If there are any unqualified products, additional inspections shall be conducted. If they are still unqualified, remote inspections shall be conducted. Table 12
Same model annual production
Sampling sensitivity
7.3.4 All air curtains shall be inspected. JB/T9067-1999
7.3.5 The appearance inspection and start-up and operation tests in the factory inspection shall be conducted in accordance with the relevant provisions in Chapter 5. 3.6 Factory inspection also includes that the accessories and accompanying parts should be complete and accurate, S mark, packaging, storage
8.1 Each air conditioner shall be fixed with a label in an obvious position, and its form, size and specifications shall comply with the provisions of GB/T13306, and shall be marked with the following contents:
a) Name of manufacturer:
Product model and name;
Main technical parameters;
d) Manufacturing date or serial number
B.2 The air conditioner shall be marked with a trademark
8.3 The packaging of air conditioners shall comply with the provisions of JB/T9065: The air conditioners shall be stored in a ventilated and dry warehouse or shed for 1 year, and the products shall be protected from corrosion and erosion. The storage period is one year, and timely inspection shall be carried out if it exceeds one year. A1 Test device
JBT906-1999
Appendix A
(Standard recording)
Air curtain thermal performance test
The air and air parameters passing through the air curtain are tested using the device shown in Figure A1, and the water volume and water flow rate passing through the air curtain are measured using the device shown in Figure 2.1 Test conditions The test conditions shall be as specified in Table 5. The maximum test conditions and test force shall be as specified in Table 5. The inlet air dry-bulb temperature, water supply inlet temperature, fan speed, and static pressure difference between the air outlet and the test room shall be Pa. 6.2 The measuring instruments and precision shall be as specified in Table 4283.
6.3 Thermal performance test
According to the provisions of Appendix A (Appendix of the standard). 6.4 Leakage test
According to the relevant provisions of JR423
6.5 Insulation dielectric test
According to the relevant provisions of JB4283.
6.6 Insulation dielectric strength test
According to the relevant provisions of JB4283.
6.7 Start-up and operation test
According to the relevant provisions of B/T4283.
6.8 External load inspection
According to the relevant provisions of JB/T4283,
r.9 Wind test
According to the relevant provisions of JB/T4283
6.10 Compare the power and current test results
single reading and the specified test results
the average reading of the specified test conditions
When conducting the acid test in 5.2, measure the input power and current values of the electric and electric heaters of the air curtain respectively, 6.11 Hot air curtain heating test
According to the relevant provisions of B/T4283.
6.12 Motor winding temperature rise test
According to the relevant provisions of B/T428.
6.13 Leakage current reduction test
According to the relevant provisions of JB/T423.
6.14 Ground resistance test
According to the relevant provisions of JB/T4283.
6.15 Damp heat test
According to the relevant provisions of JB/T4283
6.16 Hot air curtain water resistance test
According to the relevant provisions of JB/T4283.
6.17 Puff test
According to the relevant provisions of JB/T4283,
6.18 Wind speed test
According to the provisions of Appendix (Appendix of the standard). 7.1 The performance test of air curtains shall be in accordance with the provisions of Chapter 5. 7.3 All parts and the whole product of air curtains shall be inspected by the appropriate inspection department of the manufacturer in accordance with this standard and technical documents: Air curtain inspection table 11 Inspection items Input power and power supply Heating air reheating Motor winding rise Water resistance Hot state voltage Grounding core Continuous dielectric conductivity Continuous current Self-test, operation Inspection requirements New products and old products to be trial-produced, products that have been discontinued for more than one year, and products that are put into production again shall all be subject to type inspection. 7. 3. 1
When changes in important raw materials, design, and process structure may affect the performance of the product, a type inspection shall be conducted. 7.3. 2
7.3.3 The inspection shall be conducted in accordance with the provisions of Table 12. If there are any unqualified products, additional inspections shall be conducted. If they are still unqualified, remote inspections shall be conducted. Table 12
Same model annual production
Sampling sensitivity
7.3.4 The same type of air curtains shall be inspected. JB/T9067-1999
7.3.5 The appearance inspection and start-up and operation tests in the factory inspection shall be conducted in accordance with the relevant provisions in Chapter 5. 3.6 Factory inspection also includes that the accessories and accompanying parts should be complete and accurate, S mark, packaging, storage
8.1 Each air conditioner shall be fixed with a label in an obvious position, and its form, size and specifications shall comply with the provisions of GB/T13306, and shall be marked with the following contents:
a) Name of manufacturer:
Product model and name;
Main technical parameters;
d) Manufacturing date or serial number
B.2 The air conditioner shall be marked with a trademark
8.3 The packaging of air conditioners shall comply with the provisions of JB/T9065: The air conditioners shall be stored in a ventilated and dry warehouse or shed for 1 year, and the products shall be protected from corrosion and erosion. The storage period is one year, and timely inspection shall be carried out if it exceeds one year. A1 Test device
JBT906-1999
Appendix A
(Standard recording)
Air curtain thermal performance test
The air and air parameters passing through the air curtain are tested using the device shown in Figure A1, and the water volume and water flow rate passing through the air curtain are measured using the device shown in Figure 2.1 Test conditions The test conditions shall be as specified in Table 5. The maximum test conditions and test force shall be as specified in Table 5. The inlet air dry-bulb temperature, water supply inlet temperature, fan speed, and static pressure difference between the air outlet and the test room shall be Pa. 6.2 The measuring instruments and precision shall be as specified in Table 4283.
6.3 Thermal performance test
According to the provisions of Appendix A (Appendix of the standard). 6.4 Leakage test
According to the relevant provisions of JR423
6.5 Insulation dielectric test
According to the relevant provisions of JB4283.
6.6 Insulation dielectric strength test
According to the relevant provisions of JB4283.
6.7 Start-up and operation test
According to the relevant provisions of B/T4283.
6.8 External load inspection
According to the relevant provisions of JB/T4283,
r.9 Wind test
According to the relevant provisions of JB/T4283
6.10 Compare the power and current test results
single reading and the specified test results
the average reading of the specified test conditions
When conducting the acid test in 5.2, measure the input power and current values of the electric and electric heaters of the air curtain respectively, 6.11 Hot air curtain heating test
According to the relevant provisions of B/T4283.
6.12 Motor winding temperature rise test
According to the relevant provisions of B/T428.
6.13 Leakage current reduction test
According to the relevant provisions of JB/T423.
6.14 Ground resistance test
According to the relevant provisions of JB/T4283.
6.15 Damp heat test
According to the relevant provisions of JB/T4283
6.16 Hot air curtain water resistance test
According to the relevant provisions of JB/T4283.
6.17 Puff test
According to the relevant provisions of JB/T4283,
6.18 Wind speed test
According to the provisions of Appendix (Appendix of the standard). 7.1 The performance test of air curtains shall be in accordance with the provisions of Chapter 5. 7.3 All parts and the whole product of air curtains shall be inspected by the appropriate inspection department of the manufacturer in accordance with this standard and technical documents: Air curtain inspection table 11 Inspection items Input power and power supply Heating air reheating Motor winding rise Water resistance Hot state voltage Grounding core Continuous dielectric conductivity Continuous current Self-test, operation Inspection requirements New products and old products to be trial-produced, products that have been discontinued for more than one year, and products that are put into production again shall all be subject to type inspection. 7. 3. 1
When changes in important raw materials, design, and process structure may affect the performance of the product, a type inspection shall be conducted. 7.3. 2
7.3.3 The inspection shall be conducted in accordance with the provisions of Table 12. If there are any unqualified products, additional inspections shall be conducted. If they are still unqualified, remote inspections shall be conducted. Table 12
Same model annual production
Sampling sensitivity
7.3.4 All air curtains shall be inspected. JB/T9067-1999
7.3.5 The appearance inspection and start-up and operation tests in the factory inspection shall be conducted in accordance with the relevant provisions in Chapter 5. 3.6 Factory inspection also includes that the accessories and accompanying parts should be complete and accurate, S mark, packaging, storage
8.1 Each air conditioner shall be fixed with a label in an obvious position, and its form, size and specifications shall comply with the provisions of GB/T13306, and shall be marked with the following contents:
a) Name of manufacturer:
Product model and name;
Main technical parameters;
d) Manufacturing date or serial number
B.2 The air conditioner shall be marked with a trademark
8.3 The packaging of air conditioners shall comply with the provisions of JB/T9065: The air conditioners shall be stored in a ventilated and dry warehouse or shed for 1 year, and the products shall be protected from corrosion and erosion. The storage period is one year, and timely inspection shall be carried out if it exceeds one year. A1 Test devicebzxZ.net
JBT906-1999
Appendix A
(Standard recording)
Air curtain thermal performance test
The air and air parameters passing through the air curtain are tested using the device shown in Figure A1, and the water volume and water flow rate passing through the air curtain are tested using the device shown in Figure 2.3 The inspection shall be conducted in accordance with the provisions of Table 12. If there are any unqualified ones, additional inspections shall be conducted. If still unqualified, remote inspections shall be conducted. Table 12
Annual production of the same model
Sampling sensitivity
7.3.4 All air curtains shall be inspected. JB/T9067-1999
7.3.5 The appearance inspection and start-up and operation tests in the factory inspection shall be conducted in accordance with the relevant provisions in Chapter 5. 3.6 Factory inspection also includes that the accessories and accompanying parts should be complete and accurate, S mark, packaging, storage
8.1 Each air conditioner shall be fixed with a label in an obvious position, and its form, size and specifications shall comply with the provisions of GB/T13306, and shall be marked with the following contents:
a) Name of manufacturer:
Product model and name;
Main technical parameters;
d) Manufacturing date or serial number
B.2 The air conditioner shall be marked with a trademark
8.3 The packaging of air conditioners shall comply with the provisions of JB/T9065: The air conditioners shall be stored in a ventilated and dry warehouse or shed for 1 year, and the products shall be protected from corrosion and erosion. The storage period is one year, and timely inspection shall be carried out if it exceeds one year. A1 Test device
JBT906-1999
Appendix A
(Standard recording)
Air curtain thermal performance test
The air and air parameters passing through the air curtain are tested using the device shown in Figure A1, and the water volume and water flow rate passing through the air curtain are measured using the device shown in Figure 2.3 The inspection shall be conducted in accordance with the provisions of Table 12. If there are any unqualified ones, additional inspections shall be conducted. If still unqualified, remote inspections shall be conducted. Table 12
Annual production of the same model
Sampling sensitivity
7.3.4 All air curtains shall be inspected. JB/T9067-1999
7.3.5 The appearance inspection and start-up and operation tests in the factory inspection shall be conducted in accordance with the relevant provisions in Chapter 5. 3.6 Factory inspection also includes that the accessories and accompanying parts should be complete and accurate, S mark, packaging, storage
8.1 Each air conditioner shall be fixed with a label in an obvious position, and its form, size and specifications shall comply with the provisions of GB/T13306, and shall be marked with the following contents:
a) Name of manufacturer:
Product model and name;
Main technical parameters;
d) Manufacturing date or serial number
B.2 The air conditioner shall be marked with a trademark
8.3 The packaging of air conditioners shall comply with the provisions of JB/T9065: The air conditioners shall be stored in a ventilated and dry warehouse or shed for 1 year, and the products shall be protected from corrosion and erosion. The storage period is one year, and timely inspection shall be carried out if it exceeds one year. A1 Test device
JBT906-1999
Appendix A
(Standard recording)
Air curtain thermal performance test
The air and air parameters passing through the air curtain are tested using the device shown in Figure A1, and the water volume and water flow rate passing through the air curtain are tested using the device shown in Figure 2.
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