Search result: GB 25130-2010
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Safety requirements for unitary air -- Conditioners
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GB 25130-2010
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| Standard ID | GB 25130-2010 (GB25130-2010) | | Description (Translated English) | Safety requirements for unitary air. Conditioners | | Sector / Industry | National Standard | | Classification of Chinese Standard | J73 | | Classification of International Standard | 27.200 | | Word Count Estimation | 12,161 | | Date of Issue | 2010-09-26 | | Date of Implementation | 2011-06-01 | | Quoted Standard | GB 4208-2008; GB 4343.1; GB 4706.1-2005; GB 4706.17; GB 4706.32-2004; GB 5013.4; GB 5023.3; GB 5226.1-2008; GB 9237-2001; GB 17625.1; GB/T 17758; GB 19212.5; GB 19212.7; GB 50171; JB/T 4750 | | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | | Summary | This Chinese standard specifies the unit air conditioners security requirements. This standard applies to cooling capacity than or equal to 7000V voltage less than 600 V AC power supply air cooling and water cooling unit air conditioners (single cold type, heat pump, heat pump with auxiliary electric and pure electric heating type heating type). This standard also applies to multi air conditioning (heat pump) unit, duct air -conditioning (heat pump) units, rooftop air conditioning (heat pump) units, dehumidifiers, heat pump water heater, new air conditioning heat pump units and so on. This standard does not apply to non-mechanical refrigeration unit means air conditioners. |
GB 25130-2010
Safety requirements for unitary air.Conditioners
ICS 27.200
J73
National Standards of People's Republic of China
Unit air conditioner security requirements
Issued on. 2010-09-26
2011-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
All the technical contents of this standard is mandatory.
The standard proposed by China Machinery Industry Federation.
This standard by the national refrigeration and air conditioning equipment Standardization Technical Committee (SAC/TC238) centralized.
This standard is drafted by. Hefei General Machinery Research Institute, Guangdong Province Jeroen air conditioning equipment company, Nanjing Wuzhou Group Co., Ltd., South
Beijing days plus air-conditioning Co., Ltd., Guangdong Midea Commercial Air Conditioning Equipment Co., Zhejiang Xinyi Control System Co., Ltd., Hefei General Machine
Electrical product testing hospital.
Participated in the drafting of this standard. Shanghai Mitsubishi Electric air conditioner · turbot Electric Co., Ltd., Daikin Air Conditioning (Shanghai) Co., Ltd., Ningbo
Oakes Electric Co., Ltd., Qingdao Haier Air Conditioning Electronics Co., Ltd., Shenzhen McQuay Air Conditioning Co., Ltd., Guangzhou York air-conditioning refrigeration provided
Preparation Ltd., Trane Air Conditioning Systems (China) Co., Ltd.
The main drafters of this standard. Zhu Zhen Tao, Zhao Xun, Tan to Aberdeen, Army Liang, Tian Ming forces, Qin Miao Qing, Ma Jinping, Tong Xingsheng, Shijian Chun,
Jiang Chunyu, German national defense, Zhou Hongjun, Zhang Vega, manager of Kuang.
This standard by the National Standardization Technical Committee refrigeration and air conditioning equipment responsible for the interpretation.
This standard was first formulated.
Unit air conditioner security requirements
1 Scope
This standard specifies the safety requirements for unit air conditioner.
This standard applies to refrigeration greater than or equal 7000W, 600V AC power supply voltage is less than the rated air-cooled and water-cooled single
Element air conditioner (single-cold type, heat pump, heat pump and auxiliary heating with a pure electric heating heating type).
This standard also applies to multi air conditioning (heat pump) unit, air duct air-conditioning (heat pump) units, roof air-cooled air-conditioning (heat pump) Machine
Group, dehumidifiers, heat pump water heater, heat pump units and so on complete fresh air.
This standard does not apply to non-mechanical refrigeration mode of unitary air conditioner.
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 4208-2008 housing protection (IP Code) (IEC 60529.2001, IDT)
GB 4343.1 EMC household appliances, electric tools and similar apparatus - Part 1. Emission (GB 4343.1-
2009, IEC /CISPR14-1.2005, IDT)
GB 4706.1-2005 household and similar electrical appliances General requirements for safety (IEC 60335-1.2001, IDT)
GB 4706.17 Household and similar electrical appliances motor - compressors - Particular requirements (GB 4706.17-2004,
IEC 60335-2-34.1999, IDT)
GB 4706.32-2004 household and similar electrical appliances - Particular requirements for heat pumps, air conditioners and dehumidifiers (IEC 60335-
2-40.1995, IDT)
GB 5013.4 rated voltage of 450/750V and below rubber insulated cables Part 4. Cords and flexible cables (GB 5013.4-
2008, IEC 60245-4.2004, IDT)
GB 5023.3 rated voltage of 450/750V and below PVC insulated cables - Part 3. Non - sheathed cables for fixed wiring
(GB 5023.3-2008, IEC 60227-3.1997, IDT)
GB 5226.1-2008 Safety of machinery electrical equipment Part 1. General requirements (IEC 60204-1.2005,
IDT)
GB 9237-2001 cooling and heating with a mechanical refrigeration system security requirements (eqvISO 5149.1993)
GB 17625.1 Electromagnetic Compatibility Limits for harmonic current emissions (equipment input current ≤16A) (GB 17625.1-
2003, IEC 61000-3-2.2001, IDT)
GB/T 17758 unit air conditioner
GB 19212.5 - Safety - Part 5 power transformers, power supply units and similar products. general-purpose special isolation transformers
Requirements (GB 19212.5-2006, IEC 61558-2-4.1997, MOD)
GB 19212.7 Safety - Part 7 power transformers, power supply units and similar products. general purpose safety isolating transformer
Particular requirements (GB 19212.7-2006, IEC 61558-2-6.1997, MOD)
GB 50171 electrical equipment installation engineering cubicle and secondary circuit wiring for construction and acceptance
JB/T 4750 refrigeration apparatus pressure vessels
3 general requirements
The structure of the air conditioner should meet the safe operation under normal use, negligence may occur even in normal use, it will not lead to
Risk to people and the surrounding environment. All relevant tests shall be specified by the standard is checked.
4 General conditions for tests
To order separate trials or prototype sample, test, prototype in the state in which the test, the test environment, test prototype rated frequency
Rate, rated voltage and rated input power with auxiliary heating of the air conditioner and other requirements, according to GB 4706.32-2004 in Chapter 4
Provisions.
Category 5
In terms of protection against electric shock, the air conditioner should be consistent with the relevant provisions of GB 4706.1-2005 class Ⅰ appliances. Operating handles, knobs
And some other parts and electronic control circuit can be used in Ⅱ or type Ⅲ GB 4706.1-2005 implement the relevant provisions.
Air conditioner should be GB waterproof moisture proof classification 4208, the outdoor unit should be at least IPX4, the indoor unit can be IPX0.
6 signs and instructions
Flag of the air conditioner should be GB/T 17758 requirements, and add the following.
a) a single refrigerant directly give their identity. Mixed refrigerant, should give its chemical symbol.
b) cooling system the maximum allowable working pressure.
c) except IP code according to water level identified, IPX0.
Other relevant requirements, should refer to GB 4706.32-2004 specified in Chapter 7.
7 Protection against electric shock
7.1 air conditioner housing structure and adequate protection response to accidental contact with live parts. Under normal operating state, if not
After using the tool to open the door and remove the lid or removable parts should also be able to prevent accidental human contact with live parts. In the correct installation
Under the state, the air conditioner should be used in the test shown in Figure refers to GB 4706.1-2005 and GB 4706.1-2005 8.1.1 requirements in advance
Line protection against electric shock test, the test finger shall not touch live parts.
7.2 pairs need to be checked and adjusted, operation or maintenance of electrical equipment and control elements, should be centrally installed in a predetermined degree of protection of the electrical control
System inside the control box protection requirements according to GB 4208 classification, shall not be less than IP22, protection and grounding. Air conditioner housing, knobs
Rotating shaft or within the switch should not be charged. Compliance is checked by inspection and test.
7.3 auxiliary heating with the air conditioner, you should not use a bare electric heating wire. Compliance is checked by inspection judgments.
8 Power input and current
8.1 in the input power deviation of rated voltage, rated frequency and nominal operating conditions, the air conditioner should be in the range specified in Table 1.
Table 1 Input power deviation
Category rated input power deviation
When the air conditioner nominal cooling and heating conditions on behalf of the nominal value of 10%
Electric heating means nominal value of 5% -10%
8.2 rated voltage, rated frequency and nominal operating conditions, the air conditioner operating current should not exceed 110% of rated current. By measuring
Compliance is checked.
9 fever
In normal use, the temperature of the air conditioner and its surroundings should not be too high. Press GB 4706.32-2004 provisions 11.2 -11.9
Test conditions, by the temperature of the components and the surrounding environment was measured to determine their eligibility.
10 Leakage current and electric strength at operating temperature
10.1 at operating temperature, the air conditioner leakage current should not be too large, and should have sufficient electric strength.
The air conditioner to work in the name of the steady state operating conditions.
The air conditioner with auxiliary heater in heating conditions 1.06 times the rated voltage.
Only electric heater heating the air conditioner in heating conditions 1.15 times the rated power input.
Leakage current can be measured with a 13.2 GB 4706.1-2005 through provisions.
Air conditioner fixed installation, the leakage current should be less than 2mA/kW rated power input. Accessible to the public air conditioner leak
The maximum current should be less than 10mA, not accessible to the public of the air conditioner, the maximum leakage current should not exceed 30mA.
10.2 air conditioner electric strength test should be carried out, the insulation withstand 1min, frequency of 50Hz or 60Hz fundamental sine wave voltage,
After the test off the power immediately.
The test voltage is applied between the metallic parts of live parts and accessible parts covered with metal foil, the pair live parts and accessible
There are class II constructions having intermediate metal between the member across the basic and supplementary insulation applied voltage.
Test voltage.
--- To bear safety extra-low voltage in normal use basic insulation to 500V
--- For other basic insulation to 1000V
--- For additional insulation to 2750V
--- Reinforced insulation to 3750V
The initial test, the applied voltage is not more than half the prescribed voltage value, and then quickly increased to full value. During the test, no breakdown occurs.
Note. For this test of high voltage power supply short-circuit current Is and tripping current Ir, 13.3 GB 4706.1-2005 reference to the provisions of Table 5.
11 resistant to moisture
11.1 The air conditioner should be able to prevent water from entering the electrical components. The outdoor unit should not be the main chamber and the condensation of water immersion, the indoor unit evaporator rain
Defrost water outside the machine generated should be unimpeded from the plane.
Air conditioner outdoor unit should be by water spray test of 11.2, followed by 11.3 test conducted overflow, then defrost test (with
The air conditioner defrost apparatus to bear a defrost test under the most adverse conditions) and leakage current and electric strength test to determine whether
qualified.
After conducting these tests, visual inspection inside the enclosure. Water entering the housing should not reduce creepage distances and clearances to Chapter 24 Regulation
Predetermined minimum value.
11.2 air conditioner outdoor unit should be able to withstand the GB 4208 in IPX4 grade of water spray test.
11.3 The air conditioner should be overflow test. The air conditioner according to the normal position of use, it shall be blocked discharge pipe drain pan, and carefully water
Filled with water to the edge of the disc, and can not have a splash. Then, drain pan to bear the continuous overflow, overflow rate to be adjusted to the amount of wind is 1m3/s when
Corresponding overflow rate (about 17cm3/s), and to turn on all the fans. The test is carried out continuously 30min, or until the water from the air
Machine discharging.
11.4 splash conducted leaching tests of the air conditioner, according to the provisions of GB 4706.32-2004 15.4 were tested.
12 Leakage current and electric strength
12.1 air conditioner leakage current should not be too large, and should have sufficient electric strength. By 12.2 and 12.3 of tests to check its
Eligibility.
12.2 In the air conditioner at room temperature and does not carry out the test case of connecting the power supply.
Leakage current test voltage of the air conditioner. The single-camera group, is 1.06 times the rated voltage;
Three-phase units, is 1.06 times rated voltage, divided by three.
Within 5s after application of the test voltage, leakage current is measured according to the provisions.
Air conditioner fixed installation, the leakage current should be less than 2mA/kW rated power input, accessible to the public air conditioner leak
The maximum current should be less than 10mA, not accessible to the public of the air conditioner, the maximum leakage current should not exceed 30mA.
12.3 After the leakage current test, the insulation is immediately subjected to 1min, frequency of 50Hz or 60Hz fundamental sine wave voltage, Test
Test voltage is applied to the site and are shown in Table 2.
Accessible parts of insulating material, covered with metal foil.
The initial test, the applied voltage does not exceed half of the predetermined voltage value, and then quickly increased to full value.
During the test the breakdown should not occur.
The test shall be taken to avoid components of the electronic circuit damage.
Table 2 Test voltage volts
The test voltage is applied to the position
Between live parts and accessible parts.
--- During which only basic insulation isolated
--- Therebetween with reinforced insulation isolated
For double-insulated parts with only basic insulation and live parts separated
And metal parts.
--- Between live parts
--- Between accessible parts
Note. For this test of high voltage power supply short-circuit current Is and tripping current Ir, 13.3 GB 4706.1-2005 reference to the provisions of Table 5.
13 Overload protection of transformers and associated circuits
When the air conditioner from a transformer power supply circuit should be used to meet the requirements of GB 19212.5 and GB 19212.7 transformer. meets the
It may be required transformer short circuit or overload test. Otherwise, by applying the most unfavorable short circuit, or may occur in normal use of the
Overload is checked. In this case the appliance to 1.06 times to 0.94 times the rated voltage or the most negative voltage power supply, the winding temperature
Degree should not exceed the limits specified in Table 3.
Table 3 Maximum winding temperature in degrees Celsius
Type of protection
Insulation material classification and temperature limits
AEBFH 200 220 250
--- If the impedance protection
--- If the protective device during the first hour of action to protect, max.
--- The protective device after the first hour of action to protect, max.
--- The protective device after the first hour of action to protect the arithmetic mean
Abnormal operation 14
The design of the air conditioner should be avoided whenever possible fire hazard due to non-normal operation and malfunction caused damage safety or protection against electric shock
Mechanical hazards. Failure transmission medium stream, or any failure of the controller should not be dangerous.
For the cooling capacity of the air conditioner 24.36kW or less, according to GB 4706.32-2004 specified in Chapter 19 of the test and inspection
Check their eligibility.
For the cooling capacity of the air conditioner in 24.36kW, according to the provisions of GB 4706.32-2004 be in 19.2,19.3,19.4,19.5
Test and check their eligibility. The air conditioner with auxiliary heating device tested in accordance with the provisions of GB 4706.32-2004 in 19.8
And check their eligibility.
Design and use of air conditioners electronic circuit of the air conditioner should not be due to the failure of the electronic circuit caused by an air conditioner leakage, fire, mechanical
Risk or a combination of danger. Unless the electronic circuit in qualifying GB 4706.32-2004 specified in 19.11.1, otherwise, by the
Some lines or line parts according to GB 4706.32-2004 fault conditions specified in 19.11.2 evaluated to determine whether the electronic circuit
qualified.
During the test and after the test, the air conditioner shall comply with the requirements of GB 4706.32-2004 in 19.14.
15 Stability and mechanical hazards
15.1 In addition to the air conditioner fixed mounted, placed on a flat surface using the air conditioner should have sufficient stability.
In the case of the connection pipe is not installed, the air conditioner can be placed on a 10 ° angle with the horizontal plane, it should not be overturned. test
Nor should it not normally in contact with the plane of the support portion in contact with this plane.
Air conditioner with auxiliary heating should be at a 15 ° angle with the horizontal plane of the test should not be overturned. If the air conditioner in a
Or more orientations overturned, the test will have Chapter 9 in each position will be overturned. During the test, the temperature rise should not exceed
GB 4706.32-2004 specified in Table 7.
Body mass of more than 40kg of the air conditioner, all positions of the body (except ground) is applied an external force of 100N without tipping over the structure,
Subject to this limit.
15.2 In normal use, it is possible to reach people moving parts, should set the appropriate protective cover or the like, in order to staff
Provide adequate protection. Shields or the like should be non-detachable parts and shall have adequate mechanical strength. By visual inspection, mechanical strength
The use of a test, and tests shown in Fig GB 4706.1-2005 similar means no more than a force of 5N, test
Eligibility. The test means you should have a diameter of 50mm circular baffle.
The test finger shall not touch hazardous moving parts.
16 Mechanical strength
16.1 air conditioners should have sufficient mechanical strength and shall be constructed to withstand the normal use of reckless operation may occur. By GB 4706.1-
2005 impact test specified in Chapter 21 to determine eligibility.
16.2 pressure vessel design, manufacture, marking and test the implementation of the required JB/T 4750's.
16.3 can store the liquid refrigerant, and with the other components of the refrigeration system shall be cut off pressure vessel safety relief devices overpressure
Protection, pressure relief device according to GB 9237-2001 5.3.2 in the relevant provisions.
17 Structure
17.1 If the air conditioner is marked with IP rating, it should meet the relevant requirements of GB 4208, and by the relevant tests to check their eligibility.
17.2 split air conditioner outdoor unit when exposed to rain or snow and frost, live parts shall not be hazardous.
17.3 The air conditioner in the structure such that the electrical insulation from condensation may affect the evaporator surface water droplets in, should not be the sink drain, drain
Hoses and other components at the time of impact drainage. Even in the hose rupture or leakage sealing, electrical insulation will not be affected. By inspection
Determine eligibility.
17.4 air conditioner shell should be smooth, there should be in normal use or during maintenance can cause dangerous roughness or sharp edge to the user
Side and exposed the tip, by visual inspection to determine its eligibility.
17.5 air conditioner cooling system should be able to withstand the design pressure, and respond to dangerous excess pressure may arise adequate security measures.
Design pressure requirements according to GB 9237-2001 5.1 The provisions of the overpressure protection specified by GB 9237-2001 5.7.
17.6 operative components of the air conditioner (such as handles, knobs, etc.) should be fixed in a reliable manner, in normal use should not be loose.
Used to indicate the switch gear or the like handles, knobs and the like, if the wrong position may cause danger, should not
It may be fixed in the wrong position. Compliance is checked by inspection and manual test.
17.7 operative components shall meet the requirements, in addition to using safety extra-low voltage structures, in normal use, even if an insulation fault, nor
You can be charged. Continuous hand grip handle in normal use shall be constructed so that the operator's hand gripping during normal use, it is impossible with gold
Metal parts in contact Compliance is checked by inspection and manual test.
17.8 air conditioner fixed installation should be provided with the means to ensure all-pole disconnection of the power supply. Such means shall comply with the GB 4706.1-2005
The relevant provisions of 22.2. Which the all-pole disconnect switch, shall comply with the provisions of 24.3 GB 4706.1-2005 requirements. by
Visual inspection and measurement, is checked.
17.9 air conditioner capacitor should be connected between the corresponding two thermal breaker contacts. Compliance is checked by inspection judgments.
17.10 air conditioner heating elements shall be constructed so that sagging heating conductors can not come into contact with accessible metal parts. By visual inspection, inspection
Check eligibility.
17.11 air conditioner should have electrical heater with at least two hot trip. first predetermined heat release action may be a self
Reset thermal release, other thermal release should be non-self-resetting thermal trip. Non-self-resetting thermal release should be in function with the other control
System means independently, and they can not be accidental resets. Compliance is checked by inspection and test of chapter 14.
17.12 For the cooling capacity is not more than an air conditioner 24.36kW, the need to increase the test items according to GB 4706.32-2004 in Chapter 22
The relevant provisions.
18 Internal wiring
18.1 wiring groove should be smooth and without sharp edges. Wiring should be protected and should not be in contact burr, fin heat exchangers, etc., so as not to damage the wiring insulation. through
Through visual inspection to determine its eligibility.
18.2 through internal surface of the metal or metal hose hole insulated wire, particularly the inner surface should be flat, smooth or with insulating bush, metal hole
Should be insulated retainer. Compliance is checked by inspection judgments.
18.3 Wiring shall be effectively prevented contact with moving parts. By inspection, is checked.
18.4 Internal wiring insulation performance should be equivalent to the insulation of the cord GB 5023.3 or GB 5013.4 prescribed or in compliance with the following electrical
Insulation strength test.
And wrapped in wire is applied between the outer layer of metal foil insulation voltage 2000V, sustained 15min, shall be no breakdown.
NOTE. This test applies only to withstand the wiring grid voltage.
18.5 yellow/green color combination of wire should be used only for the ground wire. By inspection, is checked.
18.6 does not apply to internal aluminum wiring. Compliance is checked by inspection judgments.
18.7 Internal wiring insulation shall withstand electrical stresses live in normal use may arise.
19 element
All components used in air conditioners, shall comply with GB 4706.32-2004 in Chapter 24.
20 Supply connection and external flexible cords
20.1 air conditioners with a single power supply. If you need to use certain parts of other power supply electrical equipment (such as electronic circuits),
These supplies should be taken as part of the composition of the air conditioner electrical equipment devices (such as transformers).
20.2 pairs permanently connected to the air conditioner fixed supply lines should be allowed to air conditioner fixed first, and then connect the power cord. power cable
Can be directly connected to the power switch off power supply terminal, or provides a set of standard specified power supply terminals, which should allow the connector
Co predetermined nominal cross-sectional area of the fixed wiring cables.
By inspection, if necessary, make the appropriate connections to determine its eligibility.
20.3 pairs using the power cord and interconnection cord of an air conditioner and an air conditioner cooling capacity is not more than 24.36kW, the need to increase the test items
Conducted according to the relevant provisions of GB 4706.32-2004 in Chapter 25.
21 Terminals for external conductors
The air conditioner external conductors 21.1 Terminals shall comply with the relevant requirements, so that all connections, especially the protective ea......
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