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GB 17790-2008: Installation specifications for household and similar air-conditioning
Status: Valid GB 17790: Evolution and historical versions
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| GB 17790-2008 | English | 509 |
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Installation specifications for household and similar air-conditioning
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GB 17790-2008
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| GB 17790-1999 | English | 439 |
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Installation rule for room air-conditioner
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GB 17790-1999
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PDF similar to GB 17790-2008
Basic data | Standard ID | GB 17790-2008 (GB17790-2008) | | Description (Translated English) | Installation specifications for household and similar air-conditioning | | Sector / Industry | National Standard | | Classification of Chinese Standard | Y61 | | Classification of International Standard | 91.140.30 | | Word Count Estimation | 22,245 | | Date of Issue | 2008-12-15 | | Date of Implementation | 2010-01-01 | | Older Standard (superseded by this standard) | GB 17790-1999 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 21 of 2008 (No. 134 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the use of air conditioners for household and similar products manufactured after installation for users involved in personal and property safety, the environment, and product intended function and installation requirements, installation, operation, inspection and commissioning, testing method, installers eligibility confirmation. This standard is applied directly to the indoor air for cooling or heating air conditioner installation for household and similar purposes. | GB 17790-2008: Installation specifications for household and similar air-conditioning---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Installation specifications for household and similar air-conditioning
ICS 91.140.30
Y61
National Standards of People's Republic of China
Replacing GB 17790-1999
Household and similar air conditioner installation specifications
Posted 2008-12-15
2010-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 room air conditioner installation requirements of Annex 2
5 room air conditioner installation requirements 4
6 6 Room Air Conditioner Installation Operation
7 room air conditioner inspection and commissioning 8
8 room air conditioner installation and acceptance 9
9 room air conditioner installation personnel qualification requirements 10
Appendix A (normative) household central air conditioner installation specifications 11
Foreword
This standard 6.1,6.4,7.5, Chapter 9 and Appendix A. 3.1, A. 6 are recommended, the rest are mandatory.
This standard replaces GB 17790-1999 "room air conditioner installation specifications."
The main difference between this standard and GB 17790-1999 are as follows.
--- Standard name changed to "household and similar air conditioner installation specifications";
--- Chapter 1, this standard applies to the air conditioner is defined as "direct indoor air cooling or heating of household and similar
Use air conditioners ";
--- In Chapter 3, adding the definition of home central air conditioners and related annexes;
--- Chapter 4, modify (increase) the mounting surface, belts and other installation accessories requirements;
--- Chapter 5, increasing the pipe down pipe bending radius specified angle, electrical safety inspection;
--- Chapter 6, increasing the reservation service, clean installation, the installation operation of the extension tube, a return visit after the installation requirements, and increased
Refrigerant evacuation operation method;
--- Separately in the original standard 6.3 to Chapter 7, and modifications to the installation inspection requirements;
--- Increased for Home central air conditioners installed Normative Appendix A.
Appendix A of this standard is a normative appendix.
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee appliances (SAC/TC46) centralized.
This standard is mainly drafted by. Haier Group.
Participated in the drafting of this standard. Zhuhai Gree Electric Appliance Co., Ltd., Midea Group Co., China Household Electrical Appliances Research Institute, Jiangsu
Chunlan Refrigeration Equipment Co., Ltd., Ningbo Minfeng Electrical Appliance Co., Ltd., Ningbo Aux Air Conditioning Co., Ltd. Guangzhou Matsushita Air-Conditioner
The company, Changhong Electric Group Co., Ltd., Changzhou City Branch Commercial Air Conditioning Limited.
The main drafters of this standard. Ma Dejun, Wang Xi, Wang Ruisheng, Lee, Paul high, Zheng Shoulei, gross national, Duan Long, Lu Guohua, Zhang Shichang,
Luan love East, Qin Zhenyu, costs jump, white Wei, Weishu Tang Guo Bin.
This standard replaces the standards previously issued as follows.
--- GB 17790-1999.
Household and similar air conditioner installation specifications
1 Scope
This standard specifies the air conditioner after household and similar manufactured products, personal and property safety for the user when the installation involved, around the ring
Habitat, to achieve predetermined product features and installation requirements, installation operation, inspection and commissioning, testing methods, installation personnel qualification confirmation.
This standard applies to the use of the indoor air directly cooling or heating air conditioner installation of household and similar purposes.
Note 1. The air conditioner for household and similar purposes again after the installation (such as ex situ installation, maintenance disassembly, etc.) can refer to the implementation of this standard.
Note 2. Appendix A is suitable for home central air conditioner installation specifications.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 700 carbon structural steel (GB/T 700-2006, ISO 630.1995, NEQ)
GB 1002 Household and similar single-phase plugs and socket type, basic parameters and dimensions
GB 2099.1 household and similar purposes single-phase plugs and sockets - Part 1. General requirements (GB 2099.1-2008, IEC 60884-1.
2006, MOD)
GB 4706.32 Household and similar electrical appliances - Particular requirements for heat pumps, air conditioners and dehumidifiers (GB 4706.32-
2004, IEC 60335-2-40.1995, IDT)
Consumers GB 5296.2 Instructions for use Part 2. Household and similar electrical appliances
GB 6095 belts
GB/T 7725 room air conditioner (GB/T 7725-2004, ISO 5151.1994, NEQ)
GB 14093.1 Environmental technical requirements of machinery products with a hot and humid environment
GB 50019 Heating, ventilation and air conditioning design
GB 50169 electric equipment installation engineering construction and acceptance of grounding devices
GB 50243 Construction Quality Acceptance of Ventilation and Air Conditioning Engineering
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Mainly used for household and similar places, and the air conditioner with the centralized cold and heat source.
3.2
Professional installer should be based on the user's actual environment and reasonable installation requirements, the air conditioner will be fixed in an appropriate location in hand
The right combination of rows, connection, commissioning, to achieve the proper use of the air conditioner function and integrity.
3.3
The supporting surface of the fixed and force the air conditioner, and more that walls, floors and the top surface of the building.
3.4
A way for air conditioner member securely fixed to the mounting surface.
3.5
One for the refrigerant flow according to the provisions of the allocated means.
3.6
Master installation of operational processes, has a refrigeration professional knowledge, basic knowledge of electrical safety, technical experience and air conditioning
Installation qualification certificates, and authorized a secure way to complete the installation of the air conditioner mission personnel.
3.7
Use the air conditioner products and accept personal, family or social group air conditioner installation services.
3.8
After inspection of the air conditioner through the proper installation and normal use, to be achieved by the deadline, generally "year" as a unit.
Room air conditioner installation requirements of Annex 4
4.1 air conditioners
The air conditioner to be installed should apply to their intended use and type of installation of the wiring diagram of the structure and function, and with at least the production plant capacity
Product certification, warranty card and safety certification mark.
4.2 Mounting Accessories
Accessories for air conditioner installation shall comply with the relevant provisions of the standard or meet the installation requirements of the specification, attachments list should be complete and intact
Lossless.
4.2.1 pipe
4.2.1.1 connecting pipe
Connect the air conditioner indoor unit and outdoor unit connecting pipe should have a certain strength and toughness, and shall comply with the requirements of the installation instructions.
4.2.1.2 connection
Pipe connection should be used wrought nut conical connection fittings or other equivalent connection method, the connection pipe optional wrought spiro
Cracks, grooves and other quality problems the mother should not appear.
Connecting pipe and fittings generally used as an air conditioner accessory by the manufacturer, if the dealer as an accessory providers, manufacturers must comply with
Claim.
4.2.1.3 jacket pipe
Vapor and liquid pipe connection pipe should be well insulated, respectively, according to the product specification requirements independently selected foam insulation materials and appropriate thickness
And foam density and resistance to aging of the jacket, and respond to piping and electrical wiring sheathed correct, reasonable cover.
4.2.2 Electrical Wiring
Even local signal lines and electrical power line conditioner control lines, the indoor unit and outdoor unit is connected to should meet the GB 4706.32
Seek, terminals should be clear colors and characters interconnecting cables and control cables corresponding identification (available colors, characters or knot
Configuration identification, etc.), power supply lines, signal lines and control lines should not cross each other, winding.
4.2.3 electronic controller
Air conditioner electronic controller shall comply with the requirements of national standards, industry standards and product specifications, to ensure the realization of good air conditioner
Good functionality.
4.3 mount
Parts and (or) to install an air conditioner components used, their selection, should be able to ensure the production of safe air conditioner normal operation and in accordance with their respective
The national standards.
Or special mounting for the hot and humid areas, as necessary, depending on the circumstances suffered environmental factors, according to GB 14093.1 choice experiment
Project and pass the examination about the trial.
4.3.1 mount
4.3.1.1 mount design and manufacture should give full consideration to the load-bearing structure and the strength of the material, anti-corrosion and easy installation and maintenance.
4.3.1.2 Steel members shall be securely connected and subject to rust or welding process. Steel mounting bracket material should be used not less than GB/T 700
The Q235A steel structural performance requirements, and comply with the relevant requirements of GB 4706.32, if the use of other materials should have a strong enough
And resistance to rust. To ensure that the air conditioner installation stable, secure, and reliable.
4.3.1.3 When the design of the air conditioner outdoor unit has a fixed mounting platform for installation, the outdoor unit to deal with the foot fixed, and set aside
The outdoor unit ventilation and maintenance positions.
4.3.1.4 When using outsourcing holder must ensure that the manufacturer's instructions and test reports, be put into use after confirmation.
4.3.2 Fasteners
When the air conditioner is installed, affixed, or connected for carrying bolts, shear tolerance should conform to relevant national standards and installation instructions
Seeking; for fixed expansion bolt (a special screw fasteners on the mounting surface such as concrete, by the countersunk head bolts, expander, washers, screw
Mother etc.) shall be determined in accordance with the mounting hole diameter and depth of the mounting surface material rigidity, and select the appropriate expansion bolt specifications. Air Conditioner
Fixed-point mounting surface not less than a predetermined installation instructions and measures to prevent loosening due to installation to ensure a stable, secure, and reliable.
4.3.3 mounting surface
Mounting surface a) of the air conditioner should be robust, with sufficient load-bearing strength, load-bearing strength should not be less than the actual weight carried
(More than 4 times the weight of the unit, and at least not less than 200kg), and should give full consideration to the plenum after the installation of the air conditioner, noise
Amenities, property management and other requirements, and its structure, the material shall comply with the relevant requirements of building codes.
b) when the wall of brick and concrete materials, concrete nails can be used (or plastic to install wall-mounted indoor unit wall panel expansion bolt),
Outdoor unit bracket using the expansion bolts.
c) when the wall of reinforced concrete, plastic expansion screw can be installed wall-mounted indoor unit wall plate, use the outdoor unit bracket
Expansion bolts.
d) when the wall is hollow brick material should be used in longer lead screw penetrating the wall reinforcement pads, indoor unit and outdoor unit stents solid
Set, the air conditioner outdoor unit and an indoor unit floor-fixed on the ground or top surface of the outdoor unit to deal with foot and floor-standing indoor unit
Anti-down parts fixed.
e) take appropriate reinforcement, support and cushioning measures will also be less than the strength of the mounting surface to avoid affecting the normal operation of the air conditioner or cause
Danger.
4.4 specification
Air conditioner product specification shall comply with GB 4706.32, GB 5296.2 and the relevant provisions of GB/T 7725, it should also include empty
Conditioner installation and commissioning and other relevant content. Installation instructions can be individually edited into a book.
4.5 seatbelt
4.5.1 Use of safety belts shall comply with the requirements of GB 6095, and a complete, clear signs.
4.5.2 Before use of seat belts should be carefully examined for damage, loose components, loss and other negative phenomena, if you can not use.
4.5.3 safety rope should be low - hanging, avoid swinging, can not tie a knot to prevent the collision, 3m above the safety rope should be added to the buffer. In the air conditioner
The installation process will be allowed to use the safety rope tie, it should be linked to the use of the connecting ring.
4.6 safety rope
Safety rope should be low - hanging, avoid swinging, can not tie a knot to prevent the collision, 3m above the safety rope should be added to the buffer. An air conditioner in
Installation process, are not allowed to use the safety rope tie, it should be linked to the use of the connecting ring.
5 room air conditioner installation requirements
5.1 General Requirements
Air conditioner installation must be done by a specially trained professional installers, production and installation of air conditioners should be installed accessory symbol
The general principles of cooperation and security requirements of this standard technical requirements, and shall comply with national and local government promulgated the electrical, construction, environmental protection
Laws, regulations and other requirements, standards, and product installation instructions.
5.2 Use of Space
Air conditioner cooling (heat) should be the size of the room size, height, insulation effect (eg. glass doors and windows size, single, double compartment
Heat) Regional and the use of appropriate environmental requirements.
5.3 Noise and vibration
In the process of using the air conditioner, the inner check, the functioning of the various components outside the machine, observe whether the abnormal noise in the place. air conditioning
The noise should be consistent with GB/T 7725 requirements of. After the installation of the air conditioner can not be due to the production and installation of the air conditioner mounting accessories make it bad
Abnormal noise and vibration.
5.4 indoor unit drainage
Air conditioner indoor unit drain pan, drain blockage and no poor drainage phenomenon.
5.5 drainage protection
When installing the air conditioner, the condensate drain should have appropriate protection measures to avoid swinging. Condensate drain should have a corresponding avoidance
Free aging measures to achieve an appropriate extension of sewer service life.
5.6 condensate removal
Air conditioner condensate discharge shall not impede the normal life of others, work. Roads and public buildings on either side of the air-conditioning installation
, A condensate drain should not be on the road to outdoor walls and buildings.
5.7 Refrigerant
Air conditioner installation process such as the need for air conditioning refrigerant filling shall be in accordance with the requirements of product specifications.
5.8 installation location
5.8.1 room air conditioner should consider the following factors and positioning the installation according to the user's environment.
a) avoid flammable gas leak or where there is a strong corrosive gas environment;
b) to avoid the artificial strong electric field acts directly place;
c) avoid easy to produce noise, vibration place;
d) to avoid the harsh natural conditions (such as heavy smoke, wind, direct sunlight or high-temperature heat source) places;
e) to avoid the reach of the vulnerability of children;
f) shorten the length of the indoor unit and outdoor unit is connected;
g) Choose easy to maintain, easy maintenance and ventilated place for installation.
5.8.2 Install the air conditioner indoor unit should give full consideration to the position of interior space and layout make reasonable airflow unobstructed. Outdoor air conditioner
Installation crew should consider environmental protection, the relevant requirements of the cityscape, especially in the famous buildings and ancient buildings, the city's main street on both sides of the building
Mounted air conditioners, shall comply with the relevant provisions of the urban cityscape.
5.8.3 common areas inside the building hallway, stairs, exports should not install the air conditioner outdoor unit.
5.8.4 the air conditioner outdoor unit installation
5.8.4.1 the air conditioner outdoor unit should not occupy public sidewalks, the buildings along the road on both sides of the bottom of an air conditioner installed in its mounting bracket (Ann
According to the level of the mounting surface when the pallet does not affect the common passage) should be greater than the distance from the ground 2.5m.
5.8.4.2 air conditioner outdoor unit should be as far away from his neighbor's windows and green plants, and the other party not less than the distance at the doors and windows
Said values.
a) air conditioner rated cooling capacity of not more than 4.5kW of 3m;
b) air conditioner rated at 4.5kW cooling capacity is 4m.
NOTE. When indeed due to the limited conditions below standard, should be resolved through consultation with the relevant parties or take appropriate protective measures.
5.8.5 Connecting pipelines through air conditioners in buildings free space, the installation height from the ground should not be less than 2.5m, unless the pipeline is
Other reasonable location close to the ceiling-mounted or take protective measures or through the relevant departments of recognition.
5.8.6 air conditioner pipeline through brick, concrete structure should have sleeves or other security measures, and shall take appropriate insulation and support
Support measures to protect against vibration, stress or corrosion damage caused.
5.8.7 When using a flexible hose, and should be good protection against mechanical damage.
5.8.8 conditioner piping and wiring should be connected correctly and firmly, to a reasonable degree of bending. Pipe bends should leave some radians
Bending radius, to avoid the collapse of the pipe bends. Mounting the remote unit height difference, pipe length, refrigerant supplement shall comply with the product specification
Claim.
5.8.9 When the air conditioner when the outdoor unit is installed higher than the requirements of the specification, set back oil pipeline deal with the connection bend, prevent the lubricating oil in the compressor
Reduce, reduce the life of the compressor.
5.9 Electrical Safety
5.9.1 Power supply
The air conditioner should be used for general power supply frequency 50Hz, voltage is within 90% to 110% of the rated voltage of 220V or single-phase
(And) three-phase 380V AC power.
Users should have the air conditioner to be installed nameplate marked with the same qualified power supply, such as power supply capacity is sufficient, reliable and easy to install and so grounded.
5.9.2 Electromagnetic Interference
Air conditioner outdoor unit installation location should be away from strong sources of electromagnetic interference, install the indoor unit should be avoided as far as possible televisions, stereos and other electrical
Gas appliance to prevent electromagnetic interference.
Electrical connections 5.9.3 General air conditioner application dedicated branch circuit, its capacity should be greater than 1.5 times the maximum current value of the air conditioner, which then family
Cables and wires into the household diameter (or cross-sectional area) should the user choose the maximum power.
5.9.4 power lines should be installed or air leakage protection switches and other protective devices, air conditioners and electrical wiring in the room should be reliably grounded,
Not free to change the power cord and ends. Power supply cord should not be free to adjust the power phase sequence.
5.9.5 power line connections are not random, and even machine lines, signal lines, power connection and external flexible cords shall comply with the requirements of GB 4706.32.
5.9.6 User Security has the power receptacle, and should be fixed with the ground and dedicated outlet should be near the air conditioner random power plug can afford it.
Its outlet structure should be fitted with air conditioner power plug to match and meet GB 2099.1 and GB 1002 requirements.
When 5.9.7 Installing more than one air conditioner, pay attention to three-phase power load balancing, to avoid more than one machine to assemble a three-phase power supply in the same phase.
5.9.8 grounding of air conditioner
5.9.8.1 air conditioner installation should have good grounding line and the ground terminal or ground terminal should be fastened properly connected and locked without
The tool can not be loosened, and meet the requirements of GB 4706.32. Buildings without ground wire, installation personnel have the right to refuse to install, or user
Consultations take correct and effective grounding measures or reliable safety measures only after the installation, the grounding should be consistent with GB 50169 requirements.
5.9.8.2 Only the yellow-green wire for grounding wire and grounding connection with a solid, reliable, do not use it for other purposes.
5.9.8.3 earthing terminal or earthing contact and the accessible metal casing air conditioner should be electrically grounded (< 0.1Ω), low resistance grounding devices
Resistance should generally be less than 4Ω, if necessary, can be checked 8.3.2.
5.9.8.4 reclosing can not be used to connect the power plug. For maximum operating current is greater than 16A of the air conditioner, the application of leakage protection
Or air switch is connected to the power supply, and an air conditioner or a power line and protection switching capacity of the air conditioner should be in line with the capacity to supply
Seeking to eliminate unsafe electrical hazards.
5.9.9 electrical safety checks
5.9.9.1 Check the air conditioner indoor unit, the outdoor unit electrical components and other components (including the terminal block, power cord, socket, with machine line, etc.) have
No aging, plug loosening with megger insulation resistance is detected in more than 10MΩ.
5.9.9.2 for the air conditioner power supply line should provide dedicated power lines or switches, sockets, power lines material, capacity, dielectric strength,
Voltage level should meet the design requirements of the air conditioner.
5.9.9.3 Check for a short circuit between the power line and the zero line phase.
5.9.9.4 Check the power wire power cord, power supply capacity, circuit wiring reasonable safety, the aging power line material.
5.9.9.5 Check the power switch, and electrically detected by measuring the electrical outlet, make sure the power FireWire, zero line, the ground wire is properly connected and the capacity of election
Optional compliance with safety requirements, conditions of use of the air conditioner (the environment) must be met reliably grounded.
5.10 Mechanical strength
5.10.1 bearing
Air conditioner mount carrying capacity should not be less than four times the weight of the air conditioner unit, outdoor unit mount carrying capacity of at least not less than
200kg, air conditioner outdoor unit should not be directly in the mounting surface of loose material (such as old houses brick, hollow brick, etc.) Wall safe
Installation; installation due to limited conditions shall be used when wall-mounted installation, the material shou...
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