Minimum allowable of energy efficiency and energy efficiency grades for cold store (box) and refrigerant compressor condensing unit
1 Scope
This document specifies the energy efficiency grades, technical requirements, test methods and standard implementation for cold store (box) (collectively referred to as "cold store") and refrigerant compressor condensing unit.
This document is applicable to assembly cold store, civil cold store and positive displacement refrigerant compressor condensing unit driven by motor.
This document is not applicable to the following products or cooling systems:
a) refrigerating systems not driven by motor and compressor;
b) refrigerated containers, refrigerating containers and refrigerated and freezing boxes for transportation with or without refrigerating systems;
c) site assembly refrigerant compressor condensing units;
d) evaporative condensing refrigerant compressor condensing units.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions 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 18517 Terminology of refrigeration
GB/T 21363 Positive displacement refrigerant compressor condensing unit
GB/T 30103.1-2013 Methods of testing for thermal performance on cold store - Part 1: Temperature and humidity testing
GB 50072 Code for design of cold store
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 18517, GB/T 21363, GB 50072 and the following apply.
3.1
minimum allowable values of energy efficiency for positive displacement refrigerant compressor condensing unit
minimum allowable values of performance coefficient for positive displacement refrigerant compressor condensing unit during cooling operation under rated conditions
3.2
maximum allowable values of energy efficiency for cold store
maximum allowable values of actual energy efficiency index for cold store under rated conditions
3.3
actual energy efficiency index for cold store
η
ratio of power consumption of the cold store for 24h (TEC25) to the reference power consumption (TECmax), at an ambient temperature of 25°C, or under rated conditions which may be converted to an ambient temperature of 25°C
3.4
unit input power
sum of the compressor power of refrigerant compressor condensing unit and all the input powers of other auxiliary equipment in the unit (such as fans and motors) under nominal conditions
3.5
state of stable operation
state in which there is no continuous decrease or increase in the average temperature in the cold store; and state, in which, the refrigerant compressor can automatically start and stop during operation, and in the case of cyclic variation of temperature in the cold store, the unidirectional fluctuation difference of the average temperature of the corresponding temperature points in the cold store at the corresponding time points of several whole cycles of automatic start and stop with an interval of more than 6h shall not be greater than 0.5°C; where the refrigerant compressor operates continuously, the unidirectional fluctuation difference of the average temperature of the corresponding temperature points in the cold store at the whole cycle time points of more than 6h is not more than 0.5°C
Note: The time points where temperature fluctuations are caused by defrosting are excluded.
4 Energy efficiency grades
4.1 Energy efficiency grades for cold store
The energy efficiency for cold store is divided into three grades by its energy efficiency index: Grades 1, 2, and 3. Grade 1 indicates the highest energy efficiency. The actual energy efficiency index of each energy efficiency grade shall not be larger than those given in Table 1.
Table 1 Indexes of energy efficiency grades for cold store
Energy efficiency grade Actual energy efficiency index for cold store
Grade 1 30%
Grade 2 45%
Grade 3 100%
4.2 Energy efficiency grades for positive displacement refrigerant compressor condensing unit
The energy efficiency for positive displacement refrigerant compressor condensing unit is divided into three grades by the performance coefficient which is the basis of the energy efficiency grade: Grades 1, 2, and 3. Grade 1 indicates the highest energy efficiency. The actual performance coefficient of each energy efficiency grade shall not be less than those given in Table 2.
Table 2 Indexes of energy efficiency grades for positive displacement refrigerant compressor condensing unit
Unit input power (CC/kW) Energy efficiency grade
Grade 1 Grade 2 Grade 3
Coefficient of performance for cooling COPc/(W/W) Coefficient of performance for cooling COPc/(W/W) Coefficient of performance for cooling COPc/(W/W)
Air-cooled type High temperature type ≤12 3.36 3.08 2.80
>12~32 3.48 3.19 2.90
>32 3.60 3.30 3.00
Medium temperature type ≤3 2.40 2.20 1.80
>3~12 2.64 2.42 2.20
>12~32 2.64 2.42 2.20
>32 2.64 2.42 2.20
Low temperature type ≤5 1.60 1.40 1.30
>5~12 1.70 1.50 1.40
>12~32 1.80 1.65 1.50
>32 1.92 1.76 1.60
Water-cooled type High temperature type ≤12 5.04 4.62 4.20
>12~32 5.28 4.84 4.40
>32 5.52 5.06 4.60
Medium temperature type ≤3 — — —
>3~12 3.36 3.08 2.80
>12~32 3.48 3.19 2.90
>32 3.60 3.30 3.00
Low temperature type ≤12 2.04 1.87 1.70
>12~32 2.16 1.98 1.80
>32 2.28 2.09 1.90
Note 1: See GB/T 21363 for the unit classification in this table.
Note 2: "—" in this table means “not required”.
5 Technical requirements
5.1 Maximum allowable values of energy efficiency for cold store
The maximum allowable values of energy efficiency for cold store are the energy efficiency index value of Grade 3 in Table 1.
5.2 Minimum allowable values of energy efficiency for positive displacement refrigerant compressor condensing unit
The minimum allowable values of energy efficiency for positive displacement refrigerant compressor condensing unit are the energy efficiency index value of Grade 3 in Table 2.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Energy efficiency grades
5 Technical requirements
6 Test methods
7 Standard implementation
Annex A (Normative) Calculation of cooling equipment load
Bibliography
ICS 27.010
CCS F 01
GB
中华人民共和国国家标准
GB 44015-2024
冷库(箱)和压缩冷凝机组能效限定值及能效等级
Minimum allowable of energy efficiency and energy efficiency grades for cold store ( box) and refrigerant compressor condensing unit
2024-04-29发布
2025-02-01实施
国家市场监督管理总局
发布
国家标准化管理委员会
冷库(箱)和压缩冷凝机组能效限定值及能效等级
1范围
本文件规定了冷库(箱)和压编冷凝机组的能效等级、技术要求.试验方法和标准的实施。
本文件适用于装配式冷库(箱)。土建式冷库和由电机驱动的容积式制冷压缩冷凝机组。
本文件不适用于以下产品或制冷系统：
a)非电动机-压缩机驱动的制冷系统；
b)冷藏集装箱、制冷集装箱和带或不带制冷泵统的运输用冷藏箱、冷冻箱；
c)现场组装的制冷压缩冷凝机组；
d)蒸发冷凝式制冷压缩冷凝机组。
2规范性引用文件
下列文件中的内容通过文中的规范性引用面构成本文件必不可少的条款。其中,注日期的引用文件,仅该日期对应的版本适用于本文件;不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。
GB/T 18517制冷术语
GB/T 21363容积式制冷压缩冷凝机组
GB/T 30103.1-2013冷库热工性能试验方法第1部分:温度和湿度检测
GB 50072冷库设计标准
3术语和定义
GB/T 18517 .GB/T 21363和GB 50072界定的以及下列术语和定义适用于本文件。
3.1
容积式压缩冷凝机组能效限定值minimum allowable values of energy efficiency for positive displacement refrigerant compressor condensing unit
在额定工况条件下制冷运行时，容积式制冷压缩冷凝机组性能系数的最小允许值。
3.2
冷库(箱)能效限定值maximum allowable values of energy efficiency for cold store
在额定工况条件下，冷库(箱)的能效指数最大允许值。
3.3
冷库(箱)能效指数actual energy efficiency index for cold store
η
环境温度为25℃时,或折算到环境温度为25℃时的额定工况条件下,冷库(箱)24h的耗电量(TEC25)与基准耗电量(TECmax)之比。
3.4
压缩冷凝机组输入功率unit input power
在名义工况下，压缩冷凝机组的压缩机输人功率与机组中其他辅助设备(如风机.电动机等)所有输入功率之和。
3.5
稳定运行状态state of stable operation
冷库内温度平均值无持续下降或持续上升的状态。在运行中制冷压缩机有自动开、停机，冷
库内温度呈周期性变化时，相隔6h以上的若干自动开、停机整周期对应时间点上的冷库内对应温度点的平均温度的单向波动差值不大于0.5℃；当制冷压缩机持续开机运行时,若干6h以上的整周期时间点上的冷库内对应温度点的平均温度的单向波动差值不大于0.5℃时的状态。
注：因除霜引起温度波动的时间点除外。
4能效等级
4.1冷库(箱)能效等级
依据冷库(箱)的能效指数的大小，依次分为1、2、3三个等级，1級表示能源效率最高。各能效等级实测能效指数值应不大于表1的规定值。
表1冷库(箱)能效等级指标值
能效等级 冷库(箱)能效指数
1级 30%
2级 45%
3级 100%
4.2容积式压缩冷凝机组能效等级
依据容积式压缩冷凝机组能效等级依据性能系数大小,依次分为1、2、3三个等级，1级表示能源效率最高。各能效等级实测性能系数值应不小于表2规定。
表2容积式制冷压缩冷凝机组能效等级指标
机组输入功率(CC/kW) 能效等级
1级 2级 3级
制冷性能系数COPc/(W/W) 制冷性能系数COPc/(W/W) 制冷性能系数COPc/(W/W)
风冷式 高温型 ≤12 3.36 3.08 2.80
＞12~32 3.48 3.19 2.90
＞32 3.60 3.30 3.00
中温型 ≤3 2.40 2.20 1.80
＞3~12 2.64 2.42 2.20
＞12~32 2.64 2.42 2.20
＞32 2.64 2.42 2.20
低温型 ≤5 1.60 1.40 1.30
＞5~12 1.70 1.50 1.40
＞12~32 1.80 1.65 1.50
＞32 1.92 1.76 1.60
水冷式 高温型 ≤12 5.04 4.62 4.20
＞12~32 5.28 4.84 4.40
＞32 5.52 5.06 4.60
中温型 ≤3 — — —
＞3~12 3.36 3.08 2.80
＞12~32 3.48 3.19 2.90
＞32 3.60 3.30 3.00
低温型 ≤12 2.04 1.87 1.70
＞12~32 2.16 1.98 1.80
＞32 2.28 2.09 1.90
注1：本表中的机组类型分类规定见GB/T 21363.
注2：表中“—”表示暂无要求。
5技术要求
5.1冷库(箱) 能效限定值
冷库(箱)的能效限定值为表1中能效等级3级指标值。
5.2容积式压缩冷凝机组能效限定值
容积式压缩冷凝机组的能效限定值为表2中能效等级3级指标值。
