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
中華人民共和國國家標準
GB 44015-2024
冷庫(箱)和壓縮冷凝機組能效限定值及能效等級
Minimum allowable of energy efficiency and energy efficiency grades for cold store ( box) and refrigerant compressor condensing unit
2024-04-29發布
2025-02-01實施
國家市場監督管理總局
發布
國家標準化管理委員會
冷庫(箱)和壓縮冷凝機組能效限定值及能效等級
1范圍
本文件規定了冷庫(箱)和壓編冷凝機組的能效等級、技術要求.試驗方法和標準的實施。
本文件適用于裝配式冷庫(箱)。土建式冷庫和由電機驅動的容積式制冷壓縮冷凝機組。
本文件不適用于以下產品或制冷系統：
a)非電動機-壓縮機驅動的制冷系統；
b)冷藏集裝箱、制冷集裝箱和帶或不帶制冷泵統的運輸用冷藏箱、冷凍箱；
c)現場組裝的制冷壓縮冷凝機組；
d)蒸發冷凝式制冷壓縮冷凝機組。
2規范性引用文件
下列文件中的內容通過文中的規范性引用面構成本文件必不可少的條款。其中,注日期的引用文件,僅該日期對應的版本適用于本文件;不注日期的引用文件，其最新版本(包括所有的修改單)適用于本文件。
GB/T 18517制冷術語
GB/T 21363容積式制冷壓縮冷凝機組
GB/T 30103.1-2013冷庫熱工性能試驗方法第1部分:溫度和濕度檢測
GB 50072冷庫設計標準
3術語和定義
GB/T 18517 .GB/T 21363和GB 50072界定的以及下列術語和定義適用于本文件。
3.1
容積式壓縮冷凝機組能效限定值minimum allowable values of energy efficiency for positive displacement refrigerant compressor condensing unit
在額定工況條件下制冷運行時，容積式制冷壓縮冷凝機組性能系數的最小允許值。
3.2
冷庫(箱)能效限定值maximum allowable values of energy efficiency for cold store
在額定工況條件下，冷庫(箱)的能效指數最大允許值。
3.3
冷庫(箱)能效指數actual energy efficiency index for cold store
η
環境溫度為25℃時,或折算到環境溫度為25℃時的額定工況條件下,冷庫(箱)24h的耗電量(TEC25)與基準耗電量(TECmax)之比。
3.4
壓縮冷凝機組輸入功率unit input power
在名義工況下，壓縮冷凝機組的壓縮機輸人功率與機組中其他輔助設備(如風機.電動機等)所有輸入功率之和。
3.5
穩定運行狀態state of stable operation
冷庫內溫度平均值無持續下降或持續上升的狀態。在運行中制冷壓縮機有自動開、停機，冷
庫內溫度呈周期性變化時，相隔6h以上的若干自動開、停機整周期對應時間點上的冷庫內對應溫度點的平均溫度的單向波動差值不大于0.5℃；當制冷壓縮機持續開機運行時,若干6h以上的整周期時間點上的冷庫內對應溫度點的平均溫度的單向波動差值不大于0.5℃時的狀態。
注：因除霜引起溫度波動的時間點除外。
4能效等級
4.1冷庫(箱)能效等級
依據冷庫(箱)的能效指數的大小，依次分為1、2、3三個等級，1級表示能源效率最高。各能效等級實測能效指數值應不大于表1的規定值。
表1冷庫(箱)能效等級指標值
能效等級 冷庫(箱)能效指數
1級 30%
2級 45%
3級 100%
4.2容積式壓縮冷凝機組能效等級
依據容積式壓縮冷凝機組能效等級依據性能系數大小,依次分為1、2、3三個等級，1級表示能源效率最高。各能效等級實測性能系數值應不小于表2規定。
表2容積式制冷壓縮冷凝機組能效等級指標
機組輸入功率(CC/kW) 能效等級
1級 2級 3級
制冷性能系數COPc/(W/W) 制冷性能系數COPc/(W/W) 制冷性能系數COPc/(W/W)
風冷式 高溫型 ≤12 3.36 3.08 2.80
＞12~32 3.48 3.19 2.90
＞32 3.60 3.30 3.00
中溫型 ≤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
低溫型 ≤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 高溫型 ≤12 5.04 4.62 4.20
＞12~32 5.28 4.84 4.40
＞32 5.52 5.06 4.60
中溫型 ≤3 — — —
＞3~12 3.36 3.08 2.80
＞12~32 3.48 3.19 2.90
＞32 3.60 3.30 3.00
低溫型 ≤12 2.04 1.87 1.70
＞12~32 2.16 1.98 1.80
＞32 2.28 2.09 1.90
注1：本表中的機組類型分類規定見GB/T 21363.
注2：表中“—”表示暫無要求。
5技術要求
5.1冷庫(箱) 能效限定值
冷庫(箱)的能效限定值為表1中能效等級3級指標值。
5.2容積式壓縮冷凝機組能效限定值
容積式壓縮冷凝機組的能效限定值為表2中能效等級3級指標值。
