GB/T 18836-2017 (GB/T 18836-2002) PDF EnglishUS$180.00 · In stock · Download in 9 seconds
GB/T 18836-2002: Ducted air -- Conditioning (heat pump) units Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Obsolete GB/T 18836: Historical versions
Similar standardsGB/T 18836-2002: Ducted air -- Conditioning (heat pump) units---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT18836-2002GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 27.200 J 73 Ducted air-conditioning (heat pump) units (ISO 13253.1995, Ducted air-conditions and air-to-air heat pumps – Testing and rating for performance, NEQ) Issued on: SEPTEMBER 11, 2002 Implemented on: APRIL 01, 2003 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Definition... 5 4 Type and basic parameters... 6 5 Technical requirements... 8 6 Safety performance... 14 7 Test method... 16 8 Inspection rules... 24 9 Mark, packaging, transportation and storage... 26 Annex A (Informative) Model compiling method of ducted air-conditioning (heat pump) units... 29 Annex B (Normative) Methods of noise test method of ducted air-conditioning (heat pump) units... 30ForewordThis Standard was formulated for the first time. This Standard is not equivalent to ISO 13253.1995 Ducted air-conditions and air-to-air Heat pumps - Testing and rating for performance. In this Standard, Annex A is informative and Annex B is normative. This Standard shall be under the jurisdiction of National standardization technical committee on refrigeration equipment. The responsible drafting organizations of this Standard. Shenzhen McQuay Air Conditioning Co., Ltd. and Hefei General Machinery Research Institute. The participating drafting organization of this Standard. Trane Air Conditioner Co., Ltd. The chief drafting staffs of this Standard. Wang Yibin, Wang Xiangkui, Hu Jixun and Zhang Weijia. Ducted air-conditioning (heat pump) units1 ScopeThis Standard specifies the definition, type and basic parameters, technical requirements, test, inspection rules, mark, packaging, transportation, storage and others of ducted air- conditioning (heat pump) units. This Standard applies to ducted air-conditioning (heat pump) units.2 Normative referencesThe articles contained in the following documents have become part of this document when they are quoted herein. For the dated documents so quoted, all the subsequent modifications (including all corrections) or revisions made thereafter do not apply to this standard. However, the parties who reach an agreement according to this standard are encouraged to study whether the latest versions of these documents may be used. For the undated documents so quoted, the latest versions (including all modification sheets) apply to this document. GB/T 191-2000 Packaging - Pictorial markings for handling of goods GB/T 2423.17-1993 Basic environmental testing procedures for electric and electronic products - Test Ka. Salt mist (eqv IEC 68-2-3.1981) GB/T 2828-1987 Sampling procedures and tables for lot-by-lot inspection by attributes (apply to inspection of successive lots or batches) GB/T 3785-1983 Electric, sonic properties and measuring methods for sound level meters GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB 4706.1-1998 Safety of household and similar electrical appliances - Part 1.General requirements GB 4706.32-1996 Safety of household and similar electrical appliances - Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers GB/T 4798.2-1996 Environmental conditions existing in the application of electric and electronic products - Transportation GB/T 5226.1-1996 Electrical equipment of industrial machines - Part 1.general requirements GB/T 6388-1986 Transport package shipping mark GB 9237-2001 Mechanical refrigerating systems used for cooling and heating - Safety requirements GB/T 13306-1991 Plates GB/T 17758-1999 Unitary air conditioners JB/T 7249- 1994 Terminology of refrigeration equipment JB/T 9066-1999 Cabinet type fan coil unit3 DefinitionFor the purpose of this Standard, the following definitions given in JB/T 7249-1994 shall apply. 3.1 Ducted air-conditioning (heat pump) units Equipment that provides centralized processed air to confined space, room or area through ducts. It mainly includes refrigeration system, air circulation and purification device and also including heating equipment, humidification equipment and ventilation equipment. it is hereinafter referred to as air conditioner. 3.2 Auxiliary electric heater for heating Electric heater that is used for heating with heat pump (including post-installation electric heaters). 3.3 Heat water coil Equipment of which the air, guided by fan, flows through and gets heated by the coil-pipe in which the external heat-water flows through. 3.4 Heating equipment with electric beater 5.1.7 The action of magnetic exchange valves of heat pump air conditioner shall be sensitive and reliable, and be able to ensure the normal operation of air conditioners. 5.1.8 The thermal-protective coating of air conditioners shall have good heat insulation performance, and shall be non-toxic, odor-free and has self-extinguishing function. It shall have no condensation phenomena on the surface in normal operation. 5.1.9 The parts of air conditioner refrigerating system shall be able to ensure the normal operation of the whole unit without degradation under the affection of refrigerants, lubricants and their mixture. 5.1.10 The compressor of air conditioners shall be equipped with measures against vibration or be equipped with anti-vibration spring washers when being fixed. 5.1.11 Salt-frog resistance of electroplated parts After the test to electroplated parts is done according to the method in 7.3.22, each rust spot in the electroplated layer shall not exceed 1 mm2; the electroplated layer of each 100 cm2 shall have at most 2 rust spot and rust stain; when the area is less than 100 cm2, there shall not be rust spot and rust stain. 5.1.12 Coating adhesion of painted parts After the test is done according to the method in 7.3.23, the number of shedding of paint film shall not exceed 15% of the total number. 5.1.13 All parts and materials of air conditioners shall comply with relevant provisions of their standards respectively, meet the requirements of use performance and ensure safety. 5.1.14 The electrical systems of air conditioners shall be equipped with overload protection, vacant phase protection (three-phase power) to their motors. When the nominal refrigerating capacity of air conditioners is larger than 4500 W, the refrigerating system shall be equipped with necessary protection functions or devices for high voltage, low voltage and others. If necessary, it shall also has reverse phase protection function or devices. 5.1.15 The selection of electrical components of air conditioners and installation and wiring of electric appliances shall comply with requirements of GB 4706.32 -1996 and GB/T 5226.1-1996. 5.2 Performance requirements 5.2.1 Sealing performance of refrigerating system There shall not be refrigerant leak in each part of the refrigerating system in the test conducted according to the method in 7.3.1. In the test conducted according to the method in 7.3.10, the water resistance of heat water coil shall not be more than 110% of its nominal water resistance. 5.2.11 Maximum load refrigeration operation a) In the test conducted according to the method in 7.3.11, each part of air conditioners shall not be damaged and shall be able to operate normally; b) Air conditioners shall be able to operate normally during the first hour of continuous operation; c) Continue to operate air conditioners for 1 hour after 3 minutes of halt; however, it allows the overload protector to trip off within the first 5 minutes of operation and do not allow it to trip off after that; when the overload protector does not reset within the first 5 minutes of operation AND it resets within the period not exceeding 30 minutes after halt, then it shall continue to operate the air conditioner for 1 h. d) For manual reset overload protectors, if they trip off within the first 5 minutes, then it shall be reset forcibly after 10 times when they trip off, they shall be able to operate for further 1 hour continuously. 5.2.12 Minimum load refrigeration operation In the test conducted according to the method in 7.3.12, the safety devices of air conditioners within 4 hours, after the air conditioners starts 10 minutes, shall not trip off; the area of frost condensed on the interior face surface of the evaporator room shall not be more than 50% of that of the face surface of evaporator. 5.2.13 Maximum load heating oper... ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. |
