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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 19577-2024 | English | 335 |
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Minimum allowable values of the energy efficiency and energy efficiency grades for heat pumps and water chillers
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| GB 19577-2015 | English | 70 |
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Minimum allowable values of energy efficiency and energy efficiency grades for water chillers
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| GB 19577-2004 | English | 70 |
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The minimum allowable values of the energy efficiency and energy efficiency grades for water chillers
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GB 19577-2024: Minimum allowable values of the energy efficiency and energy efficiency grades for heat pumps and water chillers
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB19577-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.010
CCS F 01
Replacing GB 19577-2015, GB 29540-2013, GB 30721-2014, GB 37480-2019
Minimum allowable values of the energy efficiency and
energy efficiency grades for heat pumps and water chillers
Issued on. APRIL 29, 2024
Implemented on. FEBRUARY 01, 2025
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Energy efficiency grades... 8
5 Technical requirements... 12
6 Tests and calculation methods... 13
7 Implementation of the document... 14
Annex A (normative) Tests and calculation methods for the cooling seasonal
performance factor of air-cooled comfort chillers (CC ≤ 50 kW)... 15
Minimum allowable values of the energy efficiency and
energy efficiency grades for heat pumps and water chillers
1 Scope
This document specifies the technical requirements for the minimum allowable values
of the energy efficiency and energy efficiency grades for heat pumps and water chillers,
describes the corresponding test methods, and clarifies the implementation of this
document.
The types of heat pumps and chillers to which this document applies include water
chilling (heat pump) packages using the vapor compression, low ambient temperature
air source heat pump (water chilling) packages, water-source (ground-source) heat
pumps, lithium bromide absorption water chillers (heaters), water-source high
temperature heat pumps using the vapor compression cycle, indirect evaporative
cooling water chillers, and integrated water chilling (heat pump) 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 10870 The methods of performance test for water chilling (heat pump)
packages using the vaper compression cycle
GB/T 18362 Direct-fired lithium bromide absorption water chiller (heater)
GB/T 18430.1 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 18430.2 Water chilling (heat pump) packages using the vapor compression
cycle - Part 2.Water chilling (heat pump) packages for household and similar
application
GB/T 18431 Steam and hot water type lithium bromide absorption water chiller
GB/T 19409 Water-source (ground-source) heat pumps
Under the specified standard operating conditions, the minimum allowable values of
the nominal heating coefficient of performance (COPh), low temperature heating
coefficient of performance (COPdh), heating seasonal performance factor (HSPF) and
(or) annual performance factor (APF) of low ambient temperature air source heat pump
(water chilling) packages.
GB/T 25127.1 Low ambient temperature air source heat pump (water chilling)
packages - Part 1.Heat pump (water chilling) packages for industrial & commercial
and similar application
GB/T 25127.2 Low ambient temperature air source heat pump (water chilling)
packages - Part 2.Heat pump (water chilling) packages for household and similar
application
GB/T 25861 Water-source high temperature heat pumps using the vapor
compression cycle
JB/T 12839 Integrated water chilling (heat pump) package
JB/T 12840 Air source heat pump high temperature hot air & hot water unit
JB/T 14640 Composite indirect evaporative cooling water chiller for computer and
data processing room
JB/T 14642 High-leaving water temperature chiller base on dew point indirect
evaporative cooling
3 Terms and definitions
For the purpose of this document, the terms and definitions defined in GB/T 18430.1,
GB/T 18430.2, GB/T 18362, GB/T 18431, GB/T 10870, GB/T 19409, GB/T 25127.1,
GB/T 25127.2, GB/T 25861, JB/T 14640, JB/T 14642 and JB/T 12839 and the
following apply.
3.1
minimum allowable values of energy efficiency for water chilling (heat pump)
packages using the vapor compression
Under the specified standard operating conditions, the minimum allowable values of
the coefficient of performance (COPc), integrated part load value (IPLV), annual
comprehensive cooling coefficient of performance (ACCOP) and (or) cooling seasonal
performance factor (CSPF) of water chilling (heat pump) packages using the vapor
compression.
3.2
minimum allowable values of energy efficiency for low ambient temperature air
source heat pump (water chilling) packages
Buy True-PDF Auto-delivery. Page 7 of 20
Under the specified standard operating conditions, the minimum allowable values of
the nominal heating coefficient of performance (COPh), low temperature heating
coefficient of performance (COPdh), heating seasonal performance factor (HSPF) and
(or) annual performance factor (APF) of low ambient temperature air source heat pump
(water chilling) packages.
3.3
minimum allowable values of energy efficiency for water-source (ground-source)
heat pumps
Under the specified standard operating conditions, the minimum allowable values of
the annual comprehensive coefficient of performance (ACOP) or heating coefficient of
performance (COP) of water-source (ground-source) heat pumps.
NOTE. For heat-pump units, the annual comprehensive coefficient of performance (ACOP) is
assessed; for single-heat units, the heating coefficient of performance (COP) is assessed.
3.4
minimum allowable values of energy efficiency for lithium bromide absorption
water chillers (heaters)
Under the specified standard operating conditions, the minimum allowable values of
the coefficient of performance (COP) or the maximum values of the heating source
consumption per unit cooling capacity of lithium bromide absorption water chillers
(heaters).
NOTE. For vapor units, the heating source consumption per unit cooling capacity is assessed; for
direct-fired units, the coefficient of performance (COP) is assessed.
3.5
minimum allowable values of energy efficiency for water-source high temperature
heat pumps using the vapor compression cycle
Under the specified standard operating conditions, the minimum allowable values of
the heating coefficient of performance of water-source high temperature heat pumps
using the vapor compression cycle.
NOTE. For water-source high temperature heat pumps, the heating coefficient of performance
(COPH) is assessed; for periodical feeding heat pump high temperature hot water units, the heating
coefficient of performance (COP) is assessed.
3.6
minimum allowable values of energy efficiency for indirect evaporative cooling
water chillers
Under specified standard operating conditions, the minimum allowable values of the
annual energy efficiency ratio (AEER) or energy efficiency ratio (EER) of indirect
evaporative cooling water chillers.
NOTE. For high-leaving water temperature chillers base on dew point indirect evaporative cooling
used in data centers and similar places, the annual energy efficiency ratio (AEER) is assessed; for
composite indirect evaporative cooling water chillers used in computer and data processing rooms,
the energy efficiency ratio (EER) is assessed.
3.7
minimum allowable values of energy efficiency for integrated water chilling (heat
pump) package
Under specified standard operating conditions, the minimum allowable values of the
integrated part load value (IPLVI) and nominal operating coefficient of performance
(COPI) of integrated water chilling (heat pump) packages.
NOTE. For vapor-cooled, cooling-tower and air-cooled units, the integrated part load value (IPLVI)
and nominal operating coefficient of performance (COPI) are assessed.
4 Energy efficiency grades
4.1 The energy efficiency grades for heat pumps and water chillers are divided into 3
grades, among which grade 1 has the highest energy efficiency.
4.2 The measured values and nominal values of the energy efficiency indicators of
various types of heat pumps and water chillers shall not be less than the specified values
corresponding to the energy efficiency grades in Tables 1 to 8.Among them, the
indicators of energy efficiency grades for water chilling (heat pump) packages using
the vapor compression adopt dual-channel evaluation indicators, i.e., select the energy
efficiency value of one of the indicator systems in the comprehensive part load value
(IPLV) (see Table 1) or the coefficient of performance (COPc) (see Table 2) to determine
the energy efficiency grade.
5 Technical requirements
5.1 The minimum allowable values of energy efficiency for water chilling (heat pump)
packages using the vapor compression, the minimum allowable values of energy
efficiency for low ambient temperature air source heat pump (water chilling) packages,
the minimum allowable values of energy efficiency for water-source (ground-source)
heat pumps, the minimum allowable values of energy efficiency for lithium bromide
absorption water chillers (heaters), the minimum allowable values of energy efficiency
for water-source high temperature heat pumps using the vapor compression cycle, the
minimum allowable values of energy efficiency for indirect evaporative cooling water
chillers, and the minimum allowable values of energy efficiency for integrated water
chilling (heat pump) packages are the indicator values corresponding to energy
efficiency grade 3 in Tables 1 to 8.
5.2 For low ambient temperature air source heat pump (water chilling) packages with
electric auxiliary heating, the electric auxiliary heating system shall be manually turned
on and off, and its working status shall be expressed in an obvious position.
5.3 The marked values of energy efficiency for heat pumps and water chillers shall be
within the range of values corresponding to their rated energy efficiency grades, and
the measured values of energy efficiency shall not be less than the provisions in the
corresponding product standards in Tables 1 to 8.
6 Tests and calculation methods
6.1 The energy efficiency test method for water chilling (heat pump) packages using
the vapor compression shall be carried out in accordance with the relevant provisions
of GB/T 18430.1 and GB/T 18430.2.The test and calculation of air-cooled comfort
chillers with a nominal cooling capacity not exceeding 50 kW shall be carried out in
accordance with the provisions of Annex A.
6.2 The energy efficiency test method for low ambient temperature air source heat pump
(water chilling) packages shall be carried out in accordance with the relevant provisions
of GB/T 25127.1 and GB/T 25127.2.
6.3 The energy efficiency test method for water-source (ground-source) heat pumps
shall be carried out in accordance with the relevant provisions of GB/T 19409.
6.4 The energy efficiency test method of lithium bromide absorption water chillers
(heaters) shall be carried out in accordance with the relevant provisions of GB/T 18431
and GB/T 18362.
6.5 The energy efficiency test method for water-source high temperature heat pumps
using the vapor compression cycle shall be carried out in accordance with the relevant
provisions of GB/T 25861 and JB/T 12840.
6.6 The energy efficiency test method for indirect evaporative cooling water chillers
shall be carried out in accordance with the relevant provisions of JB/T 14642 and JB/T
14640.The dry-bulb and wet-bulb temperature distribution coefficients, used for the
test conditions and calculation of the annual energy efficiency ratio (AEER) of high-
leaving water temperature chillers base on dew point indirect evaporative cooling used
in data centers and similar places, are tested and calculated according to the provisions
for cold regions (refer to Beijing) in JB/T 14642 (referenced to Beijing).
7 Implementation of the document
Products produced or imported on the date of implementation of this document shall
comply with the requirements of this document.
The sales of products produced or imported before the implementation of this document
shall only be delayed until the 24th month after the implementation of this document.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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