GB 44015-2024 Minmum allowable of energy efficiency and energy efficiency grades for cold store(box) and refrigerant compressor condensing unit (English Version)
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
GB 44015-2024 Minmum allowable of energy efficiency and energy efficiency grades for cold store(box) and refrigerant compressor condensing unit (English Version)
Standard No.
GB 44015-2024
Status
valid
Language
English
File Format
PDF
Word Count
12500 words
Price(USD)
375.0
Implemented on
2025-2-1
Delivery
via email in 1~5 business day
Detail of GB 44015-2024
Standard No.
GB 44015-2024
English Name
Minmum allowable of energy efficiency and energy efficiency grades for cold store(box) and refrigerant compressor condensing unit
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.
Contents of GB 44015-2024
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
