GB/T 25127.2-2020 Low ambient temperature air source heat pump （water chilling）packages—Part 2：Heat pump （water chilling）packages for household and similar application (English)
GB/T 25127.2-2020 Low ambient temperature air source heat pump (water chilling) packages - Part 2: Heat pump (water chilling) packages for household and similar application
1 Scope
This part of GB/T 25127 specifies the type and basic parameters, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of motor-driven low ambient temperature air source heat pump (water chilling) packages for household and similar application (hereinafter referred to as "packages").
This part is applicable to packages with a nominal heating capacity not greater than 35 kW, which use air as the heat (cold) source and can produce hot (cold) water at an ambient temperature not lower than -25 °C. It may serve as a reference for other similar packages.
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/T 3785 (all parts) Electroacoustics - Sound level meters
GB/T 4208-2017 Degrees of protection provided by enclosure (IP code)
GB 4706.1-2005 Household and similar electrical appliances - Safety - Part 1: General requirements
GB 4706.32-2012 Safety of household and similar electrical appliances - Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 9237 Refrigerating systems and heat pumps - Safety and environmental 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/T 26572 Requirements of concentration limits for certain restricted substances in electrical and electronic products
JB/T 4330-1999 Determination of noise emitted by refrigerating and air conditioning equipments
JB/T 7249 Refrigerating equipment - Terms
NB/T 47012 Pressure vessels for refrigerant device
3 Terms and definitions
For the purposes of this document, the terms and definitions given in JB/T 7249 and the following apply.
3.1
low ambient temperature air source heat pump (water chilling) packages
motor-driven packages using vapor compression refrigeration cycle that use air as the heat (cold) source and produce hot (cold) water at an ambient temperature not lower than -25 °C
3.2
performance coefficient of nominal condition
COPc, COPh
ratio of the heating (cooling) capacity of the packages, expressed in the same unit, to the total input electric power under the specified nominal condition
Note: COPc refers to the nominal cooling performance coefficient; COPh refers to the nominal heating performance coefficient. The unit is watt per watt (W/W).
3.3
coefficient of heating performance under low temperature condition
COPdh
ratio of the heating capacity of the packages, expressed in the same unit, to the total input electric power under the specified low-temperature heating condition
Note: The unit is watt per watt (W/W).
3.4
seasonal energy efficiency ratio
SEER
ratio of the total heat removed from the indoor space by the packages to the total electric energy consumed during the cooling season
Note: The unit is watt-hour per watt-hour (W·h)/(W·h).
3.5
heating seasonal performance factor
HSPF
ratio of the total heat supplied to the indoor space by the packages to the total electric energy consumed during the heating season
Note: The unit is watt-hour per watt-hour (W·h)/(W·h).
3.6
annual performance factor
APF
ratio of the sum of the heat removed from the indoor space during cooling operation and the heat supplied to the indoor space during heating operation to the total electric energy consumed in a year covering one consecutive cooling season and heating season
Note: The unit is watt-hour per watt-hour (W·h)/(W·h).
3.7
defrosting heating cycle
a complete heating and defrosting process from the start of the previous heating (end of the last defrosting) to the end of the current defrosting under the heating operation mode
4 Types and basic parameters
4.1 Type
4.1.1 Classified by structural type:
——Integrated type;
——Split type.
4.1.2 Classified by the function of packages:
——Single-heat type (including packages that use auxiliary electric heating simultaneously or in switching mode);
——Cooling-heating dual-purpose type.
4.1.3 Classified by matched terminal by the packages:
——radiant type;
Contents
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Types and basic parameters
5 Technical requirements
6 Test method
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Normative) Heating performance test requirements for low ambient temperature air source heat pump (water chilling) packages
Annex B (Normative) Test and calculation methods for seasonal energy consumption of low ambient temperature air source heat pump (water chilling) packages
Annex C (Normative) Test method for noise of low ambient temperature air source heat pump (water chilling) packages
GB/T 25127.2-2020 Low ambient temperature air source heat pump （water chilling）packages—Part 2：Heat pump （water chilling）packages for household and similar application (English)
Standard No.
GB/T 25127.2-2020
Status
valid
Language
English
File Format
PDF
Word Count
9000 words
Translation Price(USD)
270.0
Implemented on
2021-4-1
Delivery
via email in 1 business day
Detail of GB/T 25127.2-2020
Standard No.
GB/T 25127.2-2020
English Name
Low ambient temperature air source heat pump （water chilling）packages—Part 2：Heat pump （water chilling）packages for household and similar application
GB/T 25127.2-2020 Low ambient temperature air source heat pump (water chilling) packages - Part 2: Heat pump (water chilling) packages for household and similar application
1 Scope
This part of GB/T 25127 specifies the type and basic parameters, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of motor-driven low ambient temperature air source heat pump (water chilling) packages for household and similar application (hereinafter referred to as "packages").
This part is applicable to packages with a nominal heating capacity not greater than 35 kW, which use air as the heat (cold) source and can produce hot (cold) water at an ambient temperature not lower than -25 °C. It may serve as a reference for other similar packages.
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/T 3785 (all parts) Electroacoustics - Sound level meters
GB/T 4208-2017 Degrees of protection provided by enclosure (IP code)
GB 4706.1-2005 Household and similar electrical appliances - Safety - Part 1: General requirements
GB 4706.32-2012 Safety of household and similar electrical appliances - Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 9237 Refrigerating systems and heat pumps - Safety and environmental 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/T 26572 Requirements of concentration limits for certain restricted substances in electrical and electronic products
JB/T 4330-1999 Determination of noise emitted by refrigerating and air conditioning equipments
JB/T 7249 Refrigerating equipment - Terms
NB/T 47012 Pressure vessels for refrigerant device
3 Terms and definitions
For the purposes of this document, the terms and definitions given in JB/T 7249 and the following apply.
3.1
low ambient temperature air source heat pump (water chilling) packages
motor-driven packages using vapor compression refrigeration cycle that use air as the heat (cold) source and produce hot (cold) water at an ambient temperature not lower than -25 °C
3.2
performance coefficient of nominal condition
COPc, COPh
ratio of the heating (cooling) capacity of the packages, expressed in the same unit, to the total input electric power under the specified nominal condition
Note: COPc refers to the nominal cooling performance coefficient; COPh refers to the nominal heating performance coefficient. The unit is watt per watt (W/W).
3.3
coefficient of heating performance under low temperature condition
COPdh
ratio of the heating capacity of the packages, expressed in the same unit, to the total input electric power under the specified low-temperature heating condition
Note: The unit is watt per watt (W/W).
3.4
seasonal energy efficiency ratio
SEER
ratio of the total heat removed from the indoor space by the packages to the total electric energy consumed during the cooling season
Note: The unit is watt-hour per watt-hour (W·h)/(W·h).
3.5
heating seasonal performance factor
HSPF
ratio of the total heat supplied to the indoor space by the packages to the total electric energy consumed during the heating season
Note: The unit is watt-hour per watt-hour (W·h)/(W·h).
3.6
annual performance factor
APF
ratio of the sum of the heat removed from the indoor space during cooling operation and the heat supplied to the indoor space during heating operation to the total electric energy consumed in a year covering one consecutive cooling season and heating season
Note: The unit is watt-hour per watt-hour (W·h)/(W·h).
3.7
defrosting heating cycle
a complete heating and defrosting process from the start of the previous heating (end of the last defrosting) to the end of the current defrosting under the heating operation mode
4 Types and basic parameters
4.1 Type
4.1.1 Classified by structural type:
——Integrated type;
——Split type.
4.1.2 Classified by the function of packages:
——Single-heat type (including packages that use auxiliary electric heating simultaneously or in switching mode);
——Cooling-heating dual-purpose type.
4.1.3 Classified by matched terminal by the packages:
——radiant type;
Contents of GB/T 25127.2-2020
Contents
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Types and basic parameters
5 Technical requirements
6 Test method
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Normative) Heating performance test requirements for low ambient temperature air source heat pump (water chilling) packages
Annex B (Normative) Test and calculation methods for seasonal energy consumption of low ambient temperature air source heat pump (water chilling) packages
Annex C (Normative) Test method for noise of low ambient temperature air source heat pump (water chilling) packages
