Standard No.:	GB/T 18430.2-2016
English Name:	Water chilling(heat pump)packages using the vapor compression cycle―Part 2:Water chilling (heat pump) packages for household and similar application
Chinese Name:	蒸气压缩循环冷水（热泵）机组 第2部分：户用及类似用途的冷水（热泵）机组
Chinese Classification:	J73    Refrigeration equipment
Professional Classification:	GB    National Standard
Issued by:	AQSIQ;SAC
Issued on:	2016-12-13
Implemented on:	2017-7-1
Status:	valid
Superseding:	GB/T 18430.2-2008 Water chilling (heat pump) packages using the vapor compression cycle - Part 2：Water chilling (heat
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	210.0
Delivery:	via email in 1 business day

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. GB/T 18430 consists of the following two parts under the general title Water Chilling (Heat Pump) Packages Using the Vapor Compression Cycle: ——Part 1: Water Chilling (Heat Pump) Packages for Industrial & Commercial and Similar Application; ——Part 2: Water Chilling (Heat Pump) Packages for Household and Similar Application. This part is Part 2 of GB/T 18430. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 18430.2-2008 Water Chilling (Heat Pump) Packages Using the Vapor Compression Cycle - Part 2: Water Chilling (Heat Pump) Packages for Household and Similar Application. The following main technical changes have been made with respect to GB/T 18430.2-2008: ——Definition "coefficient of performance (COP)" is deleted; definition "coefficient of performance" is added; ——Part expressions in "Table 1 Temperature/Flow Conditions under Nominal Conditions; Table 2 Part Load Conditions; Table 4 Design Temperature/Flow Conditions of Packages" are modified; ——Condition calculations for other load points are added in Table 2; ——"4.3.4 Coefficient of performance for cooling (COPc)" in "4 Types and Basic Parameters" is deleted; ——Requirements for limits of "coefficient of performance" and "integrated part load value" are added in "5 Requirements"; ——"5.7 Safety performance" and "6.3.8 Safety performance" are deleted; "5.2 Safety requirements" is added; ——"5.8 Warranty period" is deleted; ——"6.1 Instrument accuracy and measurement requirements" is modified; "6.3.11 Test report" is deleted; ——Requirements for using flammable refrigerant are added; ——"Annex A Calculation Example of Part Load Value (PLV)" is modified. This standard was proposed by the China Machinery Industry Federation. This Part is under the jurisdiction of the National Technical Committee on Refrigeration & Air-Conditioning Equipment of Standardization Administration of China (SAC/TC 238). The previous edition of the standard replaced by this standard is as follows: ——GB/T 18430.2-2008. Water Chilling (Heat Pump) Packages Using the Vapor Compression Cycle - Part 2: Water Chilling (Heat Pump) Packages for Household and Similar Application 1 Scope This part of GB/T 18430 specifies the terms and definitions, types and basic parameters, requirements, tests, inspection rules as well as marking, packaging and storage of motor-driven water chilling (heat pump) packages using the vapor compression cycle for household and similar application. This part is applicable to water chilling (heat pump) packages for household and similar application with cooling quantity of 50kW or less. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2423.17 Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Ka: Salt Mist GB 2894-2008 Safety Signs and Guideline for the Use GB 4706.32-2012 Household and Similar Electrical Appliances-Safety - Particular Requirements for Electrical Heat Pumps, Air-conditioners and Dehumidifiers GB 9237 Mechanical Refrigerating Systems Used for Cooling and Heating - Safety Requirements GB/T 10870-2014 The Methods of Performance Test for Water Chilling (Heat Pump) Packages Using the Vapor Compression Cycle GB/T 13306 Plates GB/T 13384 General Specifications for Packing of Mechanical and Electrical Product GB/T 18430.1-2007 Water Chilling (Heat Pump) Packages Using the Vapor Compression Cycle - Part 1: Water Chilling (Heat Pump) Packages for Industrial & Commercial and Similar Application GB 19577 The Minimum Allowable Values of the Energy Efficiency and Energy Efficiency Grades for Water Chillers GB 25131 Safety Requirements for Water Chillers (heat pump) Using the Vapor Compression Cycle JB/T 4330-1999 Determination of Noise Emitted by Refrigerating and Air Conditioning Equipment JB/T 7249 Terminology of Refrigeration Equipment 3 Terms and Definitions For the purposes of this part, the terms and definitions given in JB/T 7249 and the following apply. 3.1 coefficient of performance; COP ratio of packages cooling (heating) capacity to the total consumed power under the specified cooling (heating) quantity test Note: This value is expressed by kW/kW. 3.2 integrated part load value; IPLV part load efficiency index of water chilling package for air conditioning, expressed by a single value, which is calculated as per Formula (1) based on part load value of package under IPLV condition specified in Table 2 according to the weighted factors of running time of package at various loads IPLV (or NPLV)=2.3%×A+41.5%×B+46.1%×C+10.1%×D (1) Where, A——the COPc at 100% load; B——the COPc at 75% load; C——the COPc at 50% load; D——the COPc at 25% load. Note 1: Calculation of part load percentage is based on nominal cooling quantity. Note 2: IPLV represents the average running condition of single package while may not represent a specific engineering installation example. Note 3: Calculation example of IPLV is detailed in Annex A. 3.3 non-standard part load value; NPLV part load efficiency index of water chilling package for air conditioning, expressed by a single value, which is calculated as per Formula (1) based on part load value of package under NPLV condition specified in Table 2 according to the weighted factors of running time of package at various loads 4 Types and Basic Parameters 4.1 Types 4.1.1 According to functions of package, there are: ——Single-cold type; ——Cooling and heat pump heating package (including the package using heat pump and electric heating device simultaneously or alternately for heating); ——Cooling and electric heating package. 4.1.2 According to heat exchange mode on heat release side during cooling running, there are: ——Air-cooled type; ——Water-cooled type. 4.1.3 According to the power supply of package, there are: ——Single-phase AC power supply package; ——Three-phase AC power supply package. 4.1.4 According to structural type of package, there are: ——Integral-type; ——Split-type. 4.2 Model The compilation method of package model may be determined by the manufacturer voluntarily, but the model shall reflect the cooling quantity of package under nominal conditions. 4.3 Basic parameters 4.3.1 Nominal conditions See Table 1 for the nominal conditions of package. Table 1 Temperature/Flow Conditions under Nominal Conditions Test condition Using side Heat side (or heat release side) Cold and hot water Water-cooled type Air-cooled type Water flow for nominal cooling quantity per unit m3/(h·kW) Outlet water temperature ℃ Inlet water temperature ℃ Water flow for nominal cooling quantity per unit m3/(h·kW) Dry-bulb temperature ℃ Wet-bulb temperature ℃ Cooling 0.172 7 30 0.215 35 — Heat pump heating 45 15 0.134 7 6 Note: "—" is the parameter not required. 4.3.2 Other requirements for nominal conditions Other requirements for nominal conditions include: a) The fouling coefficients of package under nominal conditions is 0.018m2·℃/kW at water side of evaporator and 0.044m2·℃/kW at water side of condenser. The water side of new evaporator and condenser shall be regarded as clean; the fouling coefficient shall be considered as 0.0 m2·℃/kW during testing and the simulated fouling coefficient in Annex C of GB/T 18430.1-2007 shall be in accordance with when conducting performance test. b) Rated voltage of package under nominal conditions: single-phase AC voltage is 220V, three-phase AC voltage is 380V; rated frequency is 50Hz. c) Atmospheric pressure: 101kPa. 4.3.3 Part load conditions See Table 2 for part load conditions of package. Table 2 Part Load Conditions Name Specified conditions for part loads IPLV a NPLV Evaporator Outlet water temperature at 100% load / ℃ 7 Selected outlet water temperature Outlet water temperature at 0% load / ℃ The same as the outlet water temperature at 100% load Water flow for nominal cooling quantity per unit / [m3/(h·kW)] 0.172 Selected flow Fouling coefficient/(m2·℃/kW) 0.018 Designated fouling coefficient Water-cooled condenser Water inlet temperature at 100% load / ℃ 30 Selected inlet water temperature Water inlet temperature at 75% load / ℃ 26 b Water inlet temperature at 50% load / ℃ 23 Water inlet temperature at 25% load / ℃ 19 19 Water flow for nominal cooling quantity per unit / [m3/(h·kW)] 0.215 Selected flow Fouling coefficient/(m2·℃/kW) 0.044 Designated fouling coefficient Air-cooled condenser Dry-bulb temperature at 100% load / ℃ 35 — Dry-bulb temperature at 75% load / ℃ 31.5 Dry-bulb temperature at 50% load / ℃ 28 Dry-bulb temperature at 25% load / ℃ 24.5 Fouling coefficient/(m2·℃/kW) 0 Note: "—" is the parameter not required. a During IPLV testing, the inlet water temperature of water-cooled condenser is calculated according to 0.145×(load percentage)+15.5 when running at other load points, expressed in ℃; dry bulb temperature of air-cooled condenser is calculated according to 0.140×(load percentage)+21, expressed in ℃; the results shall be rounded off to one decimal place. b The inlet water temperature at 75% or 50% load or when running at other load points shall changes between 15.5℃ and the selected inlet water temperature at 100% load according to load percentage line and be accurate to one digit. 5 Requirements 5.1 General requirements 5.1.1 The package shall comply with the requirements of this part and shall be manufactured according to the pattern and technical documents approved through established procedures (or the agreement between the user and the manufacturer). 5.1.2 In addition to all cooling system assemblies, packages may also include chilling water circulating water pump generally. 5.1.3 The surface of ferrous metal part of package shall be subjected to anti-corrosive treatment. 5.1.4 The surface of electroplated part of package shall be smooth, uniform in color & luster, and free from such defects as spalling, grinning, pinhole, obvious variegation and scratch. 5.1.5 The surface of coated part of package shall be smooth, uniform in coating and color & luster, and free from obvious bubble, flow mark, missing coating, primer exposure as well as undue wrinkle and other damages. 5.1.6 The surface of decorative plastic part of package shall be even and smooth, uniform in color and luster and aging-resistant, and shall be free from such defects as crack, bubble and obvious shrinkage hole. 5.1.7 After salt spray resistance test on electroplated part is carried out, each rust spot and rust stain on package metal coating shall not exceed 1mm2; on each 100cm2 of specimen coating, the rust spot and rust stain shall not exceed 2 points; in case of the area less than 100cm2, specimen coating shall be free from rust spot and rust stain. 5.1.8 The coating of coated part of package shall be firm; after subjecting to coating adhesion test of coated parts, the number of film shedding frames shall not exceed 15%. 5.1.9 Spares and materials of packages shall meet the requirements of various relevant standards and service performance. 5.1.10 The internal surface of package contacting with refrigerant and lubricant shall keep clean and dry; the external surface of packages shall be clean. 5.1.11 Various parts of package shall be installed firmly and reliably; the cooling compressor shall be provided with vibration protection measures. 5.1.12 Thermal insulating layer of package shall be provided with good heat insulation performance and self-extinguishing performance and shall be free from toxicity and peculiar smell. 5.1.13 Electrical control of package shall include the control over pump, compressor and fan, generally shall also be provided with such functions or devices as motor overload protection, phase loss protection (for three-phase power supply), water system cut-off protection, anti-freezing protection as well as high- and low-voltage protection of cooling system. 5.1.14 According to user’s requirements or the practical usage, packages may be provided with chilling water circulating pump (with suitable lift) whose flow and lift shall guarantee the normal running of packages.

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Types and Basic Parameters 5 Requirements 6 Test Methods 7 Inspection Rules 8 Marking, Packaging and Storage Annex A (Informative) Calculation Example of Part Load Value (PLV)