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GB 4706.32-2012 English PDF

GB 4706.32-2012_English: PDF (GB4706.32-2012)
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GB 4706.32-2012English315 Add to Cart 0--9 seconds. Auto-delivery Household and similar electrical appliances -- Safety -- Particular requirements for heat pumps, air-conditioners and dehumidifiers Valid GB 4706.32-2012


BASIC DATA
Standard ID GB 4706.32-2012 (GB4706.32-2012)
Description (Translated English) Household and similar electrical appliances. Safety. Particular requirements for heat pumps, air-conditioners and dehumidifiers
Sector / Industry National Standard
Classification of Chinese Standard Y61
Classification of International Standard 13.120
Word Count Estimation 50,544
Older Standard (superseded by this standard) GB 4706.32-2004
Quoted Standard GB/T 2423.18-2000; GB 2894-2008; GB 4706.17-2010; GB 4208-2008; GB/T 16842-2008; GB 19212.1-2008; IEC 60079-14-1996; IEC 60079-15-2001; IEC 60127-1; IEC 60127-2; IEC 60127-3; IEC 60127-4; IEC 60127-5; IEC 60127-6; IEC 60127-10; ISO 817-1974; ISO 5149-1993
Adopted Standard IEC 60335-2-40-2005, IDT
Drafting Organization China Household Electrical Appliances Research
Administrative Organization National Standardization Technical Committee appliances
Regulation (derived from) National Standards Bulletin No. 13 of 2012
Proposing organization China Light Industry Association
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 relates to household and similar heat pumps, air conditioners and dehumidifiers security. This standard applies to single-phase appliances rated voltage not exceeding 250V, other apparatus does not exceed the rated voltage of 600V, w

Standards related to: GB 4706.32-2012

GB 4706.32-2012
Household and similar electrical appliances.Safety.Particular requirements for heat pumps, air-conditioners and dehumidifiers
ICS 13.120
Y61
National Standards of People's Republic of China
Replacing GB 4706.32-2004
Household and similar electrical appliances - Safety
Particular requirements for heat pumps, air conditioners and dehumidifiers
Particularrequirementsforelectricalheatpumps, air-conditionersand
dehumidifiers
(IEC 60335-2-40.2005, IDT)
Published 2012-06-29
2013-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative References 1
2 3 Definitions
4 4 general requirements
General conditions for 5 tests 5
6 Category 5
7 Marking and instructions 5
8 Protection against access to live parts 7
9 start electric appliances 7
10 Power input and current 7
11 Heating 8
12 Void 12
13 Leakage current and electric strength at the operating temperature of 12
12 14 Transient overvoltages
12 15 Moisture resistance
Leakage current and electric strength 16 13
17 and its associated transformer overload protection circuit 13
18 Endurance 13
19 non-working correctly 13
17 20 Stability and mechanical hazards
17 21 Mechanical strength
Structure 18 22
Internal wiring 20 23
24 element 20
25 and the external power connection cord 21
The external lead terminal 26 with wiring 21
27 for earthing 21
Screws 28 and 21 are connected
Clearances 29, creepage distances and solid insulation 21
30 heat and fire 21
31 rust 21
32 radiation, toxicity and similar hazards 22
Annex D (normative) selection motor protection component of claim 25
A motor having only basic insulation Annex I (normative) suitable appliance rated voltage 25
Annex AA (informative) Examples of appliances operating temperature 26
Select Annex BB (normative) refrigerant 27
Appendix CC (informative) using flammable refrigerants appliance transport, storage and identification 28
Appendix DD (normative) maintenance operations 29
Appendix EE (normative) Stress Test 35
Appendix FF (normative) Leak Simulation Test 37
Filling limit Appendix GG (normative) refrigerant, and ventilation requirements of the secondary circuit of claim 38
Reference 43
Foreword
All technical contents of this section is mandatory.
GB 4706 "and similar household electrical appliances," it consists of several components, Part 1 General Requirements for the other parts of special
Claim.
This section is part of the 32 GB 4706. This section should be safe first and GB 4706.1-2005 "Household and similar electrical appliances
Part 1. General Requirements, "with the use.
This section drafted in accordance with the rules GB/T 1.1-2009 given.
This special section instead of GB 4706.32-2004 "heat pumps and similar household electrical appliances, air conditioners and dehumidifiers to
begging".
This section GB 4706.32-2004 The main difference is as follows.
--- Chapter 1, range of content in the "Applies to" modify the rated power "single-phase appliances rated voltage not exceeding 250V, other instruments
Pressure does not exceed 600V, equipped with an electric motor - compressors and fan coil heat pump rooms (including domestic hot water heat pumps), and air conditioners
dehumidifier. ";
--- Chapter 1, an increase in the range "of the present heat pump is also applicable to flammable refrigerants, air conditioners and dehumidifiers to .3.121
Definition of a flammable refrigerant. ";
--- Chapter 1, modified range with "Note 1. GB 4706.17 given in the" motor - definition of compressor ", which refers to a totally enclosed motor - Pressure
Or semi-closed compressor motor - compressors. ";
--- Chapter 1, increase the range of "3.121 is not considered in this section defined A1, A2 or chemical substances other than A3 class.";
--- Chapter 1, modified range with "Note 3. This section provides the use of flammable refrigerants special requirements of this section, unless there are special requirements (contained.
Appendix), the security requirements for the refrigerant, see ISO 5149.
ISO 5149.1993 in the following terms related to this section.
--- Chapter 3, applicable to the design and construction equipment all appliances and systems.
--- Chapter 4, the requirements of "similar use" (such as commercial and light industrial) appliances and systems.
--- Chapter 5, "similar use" (such as commercial and light industrial) appliances and systems operating procedures (procedures). ";
--- Chapter 1, range modify the contents of Note 4 in the third dash of "responsible for Labor and Social Security and the National Health Service is responsible for warehousing, transportation
Additional input requirements, building structures and national institutions installation. ";
--- increase in Chapter 2, "normative references." ;
--- 3.120 changed to "fan coil/air treatment assembly fancoil/airhandlingunit
It includes a forced air circulation heating, one or more functions cooling, dehumidification and filtering functions, but does not include cooling or
Assembly plant heat source.
NOTE. The device is typically designed for free air sucked into the room and discharging the same, but can work together with the pipeline. The device may
Designed to be used as an auxiliary space or into the housing of the apparatus. ";
--- Chapter 3, an increase of 3.121,3.122,3.123,3.124,3.125,3.126 defined;
--- 5.2, the addition of "Chapter 21 test can be performed on a single prototype. The first chapters 11, 19 and 21 tests on request in the system
It differs from the cooling system pressure measurements.
The selection Appendix FF (analog leakage test) test is, at least one additional specially prepared prototype.
Chapter 11 when the test, the temperature of the cooling pipe should be measured.
101 Note. Due to Chapter 21, Appendix EE, FF in the appendix of the test itself, there is a potential risk factor in the testing process should take special
Preventive measures. ";
7.1 ---, "maximum working pressure of the heat exchanger" to "water-cooled fan coil/air heat exchanger the maximum processing components
Working Pressure ";
--- 7.1,7.6,7.12 the increased labeling information should be used when a flammable refrigerant;
11.2 ---, the second cross scribing contents changed to "flow of fluid delivery device manufacturers specification shall be specified minimum
Values, flow rate and temperature of the fluid should be a maximum fan coil unless specified in the manufacturer's instructions; ";
--- 15.4 increase "public accessibility of the appliance is installed on an indoor floor or on the wall of the test as follows.";
--- 19.10.1 increase "with respect to the appliance class Ⅰ tubular sheathed or embedded heating element, the test is repeated 19.10.
However, the controller does not short-circuited, and one end of the heating element is connected to its sheath.
Changing the polarity of the power tool, and the other end connected to the heating element to the sheath electric heating element, the test is repeated.
Intended to be permanently connected to the fixed wiring of appliances and utensils all-pole disconnection occurs during the test 19.10, this test is not performed.
Note 1. the appliance with neutral line, were tested in a state connected to the sheath in the midline.
NOTE 2. For embedded heating element, which can be considered as metal housing sheath. ";
--- 21.1 increase
"Shall comply with ISO 5149.1993 safety requirements.
Shall comply with the security requirements specified in Appendix EE. In addition to the pressure vessel, the pressure should other components of the appendix EE
test. ";
--- 22.102 amended as follows.
"22.102.1 appliance electrical heater having a heating air to be with at least two heat release; first predetermined operation
Heat release shall be of a self-resetting thermal triggering, thermal triggering shall other non-self-resetting thermal triggering.
To determine whether it is checked by inspection and test Chapter 19.
Note. During the tests of clause 19, if the self-reset operation of the controller, it should be necessary to short the controller to determine the non-self-resetting thermal trip
Whether will then action.
22.102.2 appliance with auxiliary electric heater for heating water to be provided with a non-self-resetting thermal release, the release needs to be able
Independent of water temperature controller to achieve all-pole disconnect. However, if the appliance intended to be connected to the fixed wiring, without disconnecting the neutral line.
To determine whether it is checked by inspection and test Chapter 19.
NOTE. If the short-circuit defrosting heater at a temperature switch and stop water flow conditions, the maximum operating temperature is not 6h inner heating water to
Exceed 80 ℃, the device is not considered to be an auxiliary heater heating water.
22.102.3 capillary type heat release is designed such that when the contacts open capillary leak.
To determine whether it is checked by inspection. ";
22.112 ~ 22.118 --- increased, the configuration of the use of flammable refrigerants in claim appliance;
--- increased normative BB "refrigerant selection information";
--- increasing the informative Appendix CC "appliances using flammable refrigerants transport, logos and storage";
--- increasing the normative appendix DD "maintenance operations";
--- increasing the normative appendix EE "stress tests";
--- increasing the normative appendix FF "leak simulation tests";
--- increased normative GG "the refrigerant charge limits, and the requirements of the ventilation requirements of the secondary circuit";
--- Added "References."
This section uses the translation method is equivalent to using IEC 60335-2-40.2005 "Household and Similar Electrical Appliances - Safety - Part 2-40. Thermal
Pumps, air conditioners and dehumidifiers special requirements ", including its Addendum 1 (2005) and Addendum 2 (2005).
This section made the following editorial changes.
--- consistent with the existing standard series, the standard name will be changed to "heat pumps Household and similar electrical appliances, air conditioners and dehumidifier
Special requirements "machines.
Consistency correspondence relationship with the part of the international normative documents referenced in our files are as follows.
--- GB 3836.8-2003 Electrical Apparatus for Explosive Gas Atmospheres Part 8. "n" electrical equipment (IEC 60079-15.
2001, MOD).
--- GB 3836.15-2000 explosive gas atmospheres electrical equipment - Part 15. Hazardous areas electrical installation (except coal
Outer) (eqvIEC 60079-14.1996).
--- GB 9364 (all parts) miniature fuses [IEC 60127 (all parts)].
Please note that some of the content of this document may involve patents. The issuing authority of this document does not assume responsibility to identify these patents.
This section was proposed by China Light Industry Federation.
This part of the jurisdiction of the National Standardization Technical Committee appliances (SAC/TC46).
This part of the main drafting unit. China Academy of household appliances, Zhuhai Gree Electric Appliance Co., Ltd., Qingdao Haier Air Conditioner Co., total
the company.
Participated in the drafting of this section. CVC Detection Technology Research Institute Guangzhou, Guangdong Midea Refrigeration Equipment Co., Ltd., Ningbo Aux air-conditioning
Limited, Jiangsu Chunlan Refrigeration Equipment Co., Ltd., Guangdong Chigo Air Conditioning Co., Ltd., Guangdong million and the new Electric Co., Ltd., Beijing
Yadu Science and Technology Co., Ltd., PHAAG, Daikin Air Conditioning (Shanghai) Co., Ltd., Worm Refrigeration Equipment (Shanghai) have
Limited, China Quality Certification Center.
The main drafters of this section. MA De-jun, Chen L, Wu Shangjie, Huang Hui, high-Paul, Yang Chao CONSERVANCY AND HYDROELECTRIC Xu Xingzhen, Bai Wei, Dong Luan love,
Cai Ning, the small army, Huang Xun Qing, Chen Hui, Chen Junliang, Shi Jianchun, Zhang Jinxi, Deng Xu, Hu Zhiqiang.
GB 4706.32-2004 previous version release of case.
--- GB 4706.32-1996.
Household and similar electrical appliances - Safety
Particular requirements for heat pumps, air conditioners and dehumidifiers
1 Scope
The chapter GB 4706.1-2005 is replaced by the following.
This section GB 4706 specifies the use of heat pumps for household and similar, air conditioners and dehumidifiers.
This section applies to single-phase appliances rated voltage not exceeding 250V, the rated voltage of the other instrument does not exceed 600V, with the motor - Pressure
The compressor and the room fan coil heat pump (including domestic hot water heat pump), air conditioners and dehumidifiers.
Not for normal household use, but the public still dangerous equipment, such as used by non-professionals in shops, light industry and farms
Appliance also within the scope of this section.
This is also applicable to the use of flammable refrigerants in heat pumps, air conditioners and dehumidifiers. 3.121 The definition of flammable refrigerants.
The above-described tool assembly may be more of a plant or plant compositions. If the multi-component is provided, and these separate groups
Member to be used with, the requirements of this standard in the art to be used for the components are assembled together based.
Note 1. is given in GB 4706.17 - definition of a "motor compressor", which refers to a closed motor - or semi-hermetic motor compressors - compressors.
Note 2. The refrigerant safety requirements given in ISO 5149, Further, given in GB 4706.12 domestic hot water in the hot water for the heat pump
Container requirements.
This section does not consider A1,3.121 defined other than A2 or A3 based chemical.
NOTE 3. This section provides the special requirements of the use of flammable refrigerants. Unless there are special requirements section (comprising Appendix), the security requirements for the refrigerant, see
ISO 5149.
ISO 5149.1993 in the following terms related to this section.
--- Chapter 3, applicable to the design and construction equipment all appliances and systems.
--- Chapter 4, the requirements of "similar use" (such as commercial and light industrial) appliances and systems.
--- Chapter 5, "similar use" (such as commercial and light industrial) appliances and systems operating procedures (procedures).
Other auxiliary heater apparatus (only a portion of the appliance heater assembly design, the controller is mounted within the appliance), or a stand-alone installation
We are within the scope of this section.
Note 4. The following conditions must be noted.
--- ready for use on vehicles, ships or aircraft equipment, additional requirements may be necessary;
--- For appliances under pressure, additional requirements may be necessary;
--- responsible for labor and social security of the additional requirements of the National Health Service and is responsible for warehousing, transportation, building structures and national institutions such as the installation.
NOTE 5. This section does not apply to.
--- compliance with a humidifier apparatus for heating and cooling a predetermined IEC 60335-2-88;
--- designed specifically for industrial processing appliances;
--- prepared for the appliance under certain special conditions, e.g., where the presence of corrosive or explosive gases (dust, vapor or gas),
2 Normative references
The following documents for the application of this document is essential. For dated references, only applies to the version dated paper
Pieces. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2423.18-2000 Environmental testing for electric and electronic products - Part 2. Test Test Kb. Salt mist, cyclic (sodium chloride
Solution) (idtIEC 60068-2-52.1996)
GB 2894-2008 Guidelines for the use and safety signs
Safety motor GB 4706.17-2010 household and similar electrical appliances - Particular requirements for the compressor (IEC 60335-2-34.
2009, IDT)
GB 4208-2008 shell protection (IP code) (IEC 60529.2001, IDT)
GB/T 16842-2008 protective housing of the device and the test device with test (IEC 61032.1997, IDT)
GB 19212.1-2008 power transformers, power supplies, reactors and similar products - Part 1. General requirements and tests
(IEC 61558-1.2005, IDT)
IEC 60079-14.1996 Explosive Gas Atmospheres Electrical Equipment Part 14. Electrical installation hazardous areas (other than mines)
(Electricalapparatusforexplosivegasatmospheres-Part 14. electricalinstalationsinhazardousareas
(Otherthanmines))
IEC 60079-15.2001 Explosive Gas Atmospheres electrical equipment - Part 15. "n" electrical equipment (Electrical
apparatusforexplosivegasatmospheres-Part 15. typeofprotection "n")
IEC 60127 (all parts) miniature fuses (IEC 60127Miniaturefuses (alparts))
ISO 817. 1974 number of organic refrigerants named (Organicrefrigerants-numberdesignation)
ISO 5149.1993 with a cooling and heating mechanical refrigeration system (Mechanicalrefrigeratingsystemsusedforcooling
andheating-Safetyrequirements)
ISO 7000 for instrument graphic signs indexes and abstracts (Graphicalsymbolsforuseonequipment-Index
synopsis)
ANSI/ASHRAE34.2001 refrigerant names and numbers security classification (Designationandsafetyclassificationof
refrigerants)
3 Terms and Definitions
The following terms and definitions apply to this document.
The chapter GB 4706.1-2005 except for the following content, are applicable.
3.1.4 increase.
101 Note. If the appliance is composed by a number of electrical accessory (fan), it rated power input to the appliance to be continuously under appropriate environmental conditions, and
The maximum total input power at all accessories energized as the basis. If the heat pump can work at the heating, cooling may be at work at the rated
Input power to the input power to the heating or cooling mode as the basis, whichever is greater.
3.1.9 Replacement.
Work normaloperation
The normal use of the appliance is installed and run specified by the manufacturer under the most severe operating conditions of the state press.
3.101
The heat pump heatpump
Absorbing heat at a certain temperature, the appliance and releases heat at a higher temperature.
NOTE. When providing the heat run (e.g., space heating or heating water), referred to as a heating mode; run time heat removal (e.g., space cooling) is called refrigeration
mode.
3.102
Domestic hot water heat pump sanitaryhotwaterheatpump
For heat transfer to the domestic water heat pump.
3.103
Air conditioner airconditioner
As an instrument designed to provide treated air with a component or components of the system housing to the confined space, room or area. It packages
Including refrigeration and dehumidification of possible electric refrigeration system. It may also include a heating, air circulation, purifying and humidifying device.
3.104
Dehumidifier dehumidifier
Assembly with the housing removed moisture from the surrounding environment. It includes an electric cooling system and the air circulation device. Means also includes a drain
Set for collection and storage and/or processing condensate.
3.105
Comfort dehumidification dehumidification-comfort
Reducing the space dehumidifying moisture in order to meet user requirements.
3.106
Process of desiccant dehumidification-process
To reduce the humidity space for processing, storage goods or building materials, or can be dried to the required level of dehumidification.
3.107
The heat recovery dehumidifier dehumidification-heatrecovery
The latent heat and sensible heat and heat of the compressor space collectively be utilized without dehumidification discharged to the outside as waste heat.
3.108
Wet-bulb temperature of the wet-bulbtemperature; WB
Temperatures are shown placed in a constant temperature value reaches (evaporation Ping Heng) of wet gauze temperature sensing element.
3.109
Dry bulb temperature dry-bulbtemperature; DB
From the effects of radiation at a temperature of the temperature sensitive element in the dry state is displayed.
3.110
Evaporator evaporator
Liquid refrigerant through a heat exchanger which absorbs heat and evaporates.
3.111
The heat exchanger heatexchanger
Means for heat transfer between two physically separated fluid portion.
3.112
The indoor heat exchanger indoorheatexchanger
The heat is transferred to heat water or indoor indoor part of the building (for example, domestic water) or removing heat exchanger here.
3.113
The outdoor heat exchanger outdoorheatexchanger
Away or release from the heat exchanger at the heat source (e.g., ground water, outdoor air, gas, water or saline).
3.114
Auxiliary heater supplementaryheater
As part of the electric heater appliance provided. It is supplemented or replaced by operation with operating refrigeration circuit or refrigeration circuit
Instead of the output circuit of the refrigeration appliance.
3.115
Pressure limiting means pressure-limitingdevice
The pressing member by stopping operation mechanism automatically in response to a predetermined pressure.
3.116
Pressure relief device pressure-reliefdevice
Automatic pressure release valve or security weak breakable pieces of high pressure.
3.117
Self-contained unit self-containedunit
A frame disposed in the housing or the machine may be single or a plurality of parts manufacturing and shipping, in addition to the shut-off valve member and associated components, not
Refrigeration connection member need in the field.
Note 1. The self-contained unit consisting of a single frame or housing called a monolithic unit.
Note 2. a plurality of self-contained unit frame or housing is referred to as a split unit.
3.118
Public accessible appliance appliancesaccessibletothegeneralpublic
Placed in a residential or commercial building equipment.
3.119
Public inaccessible appliance appliancesnotaccessibletothegeneralpublic
Maintained by qualified service personnel, and placed in the engine room and similar establishments, or placed above 2.5m height, or mounted on the roof safety
Appliance area.
3.120
Fan coil/air treatment assembly fancoil/airhandlingunit
It includes a forced air circulation, heating, cooling, dehumidification and filtering one or more functions, but does not include a cooling or heating source station
Assembly plant production.
NOTE. The device is typically designed for free air sucked into the room and discharging the same, but can work together with the pipeline. The apparatus may be designed so that the
As an auxiliary space or into the housing of the apparatus.
3.121
Flammable refrigerants flammablerefrigerant
Accordance with ANSI/ASHRAE34.2001 [ISO 817] classification, grade A2 or A3 refrigerant.
3.122
Cooling System refrigeratingsystem
Coupled to each other to form a combination of the cooling member is closed refrigeration circuit, by changing the phase state of the refrigerant in the low-temperature side in the loop
Absorb heat, the heat released in the high temperature side.
3.123
The maximum allowable pressure maximumalowablepressure
Refrigeration system operating pressure limits, generally refers specified by the manufacturer, the device can withstand the maximum design pressure.
Note. Whether the device is working, the maximum allowable pressure specified limits operating pressure, see Chapter 21.
3.124
A low pressure side low-pressureside
Refrigeration system, operating at a pressure evaporation portion.
3.125
High-pressure side high-pressureside
Refrigeration system, operating at a condensing pressure portion.
3.126
Maintenance port serviceport
It can operate the apparatus to perform the refrigerant filling or servicing system in a refrigeration system, typically a valve, an extension tube or a given
Bit entry.
4 general requirements
The chapter GB 4706.1-2005 is applicable.
General conditions for 5 tests
The chapter of GB 4706.1-2005 is applicable except as follows.
5.2 Addition.
Chapter 21 test can be performed on a single prototype. Chapters 11, 19 and 21 of the first test at different points in a refrigeration system on request
Pressure measurement.
The selection Appendix FF (analog leakage test) test is, at least one additional specially prepared prototype.
Chapter 11 when the test, the temperature of the cooling pipe should be measured.
101 Note. Due to Chapter 21, Appendix EE, FF in the appendix of the test itself, there is a potential risk factor in the testing process should take special precautions
Measures.
5.6 Addition.
A controller for adjusting the temperature or humidity of the processing space, should not in operating state during the test.
5.7 Replacement.
Chapter 10 and Chapter 11 of tests and test conditions specified by the manufacturer to be within the operating temperature range of the most severe operating conditions to feed
Row. Annex AA provides an example of this kind of temperature conditions.
5.10 Addition.
For split appliance, refrigerant lines should be installed according to the installation instructions. Cooling pipe installed length specification should be installed
The maximum length of either 7.5m, whichever is the shorter of the two. Cooling pipe thermal insulation should be applied in accordance with the requirements of the installation instructions.
5.101
Motor - compressor shall be tested in GB 4706.17-2010 Chapter 19. Unless the motor - compressor has met the standards
GB 4706.17, you do not have to repeat these tests.
5.102
If the motor - Compressor been tested and meet GB 4706.17, Chapter 21 does not need to be related tests.
Category 6
The chapter of GB 4706.1-2005 is applicable except as follows.
6.1 Review.
Class should implement Ⅰ, Ⅱ Ⅲ class or class of apparatus.
6.2 Addition.
The appliance shall be classified according to GB waterproof rating of 4208-2008.
--- a part of the appliance or appliance for outdoor use shall be at least IPX4;
--- appliances for indoor use only (excluding laundry) may be IPX0;
--- used in laundry appliances should be at least IPX1.
6.101 appliance should be divided into public accessibility of public instruments or inaccessible appliances according to their accessibility.
By inspection and relevant tests to determine its eligibility.
7 Marking and instructions
The chapter of GB 4706.1-2005 is applicable except as follows.
7.1 Review.
Instead of the second dash by the following.
--- Power symbol properties (including number of phases), with the exception of the single-phase operation.
increase.
--- nominal frequency;
--- charge amount of refrigerant, or mixing refrigerant charge amount of each of the refrigerant in addition to azeotropic refrigerant;
--- refrigerant identification.
For the single component refrigerant, one marked by the following.
● chemical formula;
● No. refrigerant.
For mixed refrigerant, one marked by the following.
● The chemical name of each ingredient;
● chemical formula of each component;
● number of each component of the refrigerant;
● No. refrigerant mixed refrigerant.
--- work tank allows the over-pressure (for domestic hot water heat pump);
--- maximum working pressure of the water-cooled fan coil/heat exchanger assembly of air treatment;
--- for the refrigeration circuit, if the intake and exhaust sides of the allowable operation overpressure are different, then a separate labeling requirements;
--- except in accordance with the code IP waterproof rating logo, IPX0.
The appliance shall be marked electrical heater used all the names and rated input power, and should have the actual on-site installation of the heater
Identification measures.
Unless apparent from the design, otherwise, use the appliance housing characters or symbols to designate the direction of fluid flow.
When using a flammable refrigerant, in case of fire the following signs and instructions for use of the flag should be clearly marked 7.6.
--- access for maintenance or repair of the components;
--- ready to sell or install appliances;
--- filling packaging appliance refrigerant.
If you are using flammable refrigerants, should prompt a significant part mark reading instructions, maintenance instructions and markings on the appliance installation instructions
(Sign in ISO 7000 0790,1641 and 1659), in order to understand the relevant information to the people. The vertical height of the flag is not less than
10mm.
Warning signs increased (fire flag. the 2894-2008 2-2 GB ) should be close to the description and the refrigerant charge amount on the appliance at the nameplate
Mark. Vertical height of the flag is not less than 10mm, without coloring.
101 Note. During installation, after removal of the removable member flag should be visible.
When using flammable refrigerants, use the following warning.
caveat.
Appliance installation, operation, storage room area should be larger than "×" m2 (applies only to non-stationary appliance).
For non-stationary appliance, the appliance should be marked on the area of the smallest room ×, × mark in size should be in accordance with Appendix GG GG.2
Does not describe the ventilation zone is determined, if the appliance is less than the amount of refrigerant charge m1, the flag should be 4 × (in Appendix GG
The GG.1).
The maximum allowable pressure and the low pressure side of the high pressure side should be marked on the product.
102 NOTE. For the refrigeration system, the same if the maximum allowable pressure of the high pressure side and low pressure side, allows only a label.
If having not accessible or visible visible service port service port, the port needs to be identified in order to identify the refrigerant
species. If the refrigerant is flamma...
...