GB/T 37123-2018 English PDF (GBT37123-2018)

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GB/T 37123-2018: Electrically driven motor vehicle air-conditioning unit
GB/T 37123-2018
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.200
J 73
Electrically driven motor vehicle air-conditioning unit
ISSUED ON: DECEMBER 28, 2018
IMPLEMENTED ON: JULY 01, 2019
Issued by: State Administration for Market Regulation;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 6 
4 Types and basic parameters ... 7 
5 Technical requirements ... 11 
6 Test methods ... 18 
7 Inspection rules ... 24 
8 Marking, packaging, transport, and storage ... 25 
Appendix A (Normative) Test method for heating capacity of air-conditioning unit
... 28 
Electrically driven motor vehicle air-conditioning unit
1 Scope
This Standard specifies the terms and definitions, types and basic parameters,
technical requirements, test methods, inspection rules, marking, packaging,
transport, and storage of electrically driven motor vehicle air-conditioning unit
(hereinafter referred to as "air-conditioning unit").
This Standard applies to the electrically driven motor vehicle air-conditioning
unit, which uses R134a, R407C, R410A, R744, R1234yf as refrigerants. Other
special-purpose air-conditioning units or air-conditioning units using other
substances as refrigerants can refer to it for implementation.
Note: For the definition of motor vehicle, see GB/T 3730.1.
This Standard does not apply to electrically driven air-conditioning units for rail
vehicles.
2 Normative references
The following documents are indispensable for the application of this document.
For the dated references, only the editions with the dates indicated are
applicable to this document. For the undated references, the latest edition
(including all the amendments) are applicable to this document.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB 4706.32 Household and similar electrical appliances - Safety - Particular
requirements for heat pumps, air-conditioners and dehumidifiers
GB 5226.1 Electrical safety of machinery - Electrical equipment of machines
- Part 1: General requirements
GB/T 6388 Transport package shipping mark
GB 8410 Flammability of automotive interior materials
GB/T 9237-2017 Refrigerating systems and heat pumps - Safety and
environmental requirements
GB/T 13306 Plates
GB/T 17619-1998 Limits and methods of testing for immunity of
electrical/electronic sub-assemblies in vehicles to electromagnetic radiation
GB/T 17729 Hygienic standard for the air quality inside long distance coach
GB/T 18384.3 Electrically propelled road vehicles - Safety specifications -
Part 3: Protection of persons against electric shock
GB/T 18655-2010 Vehicles, boats and internal combustion engines - Radio
disturbance characteristics - Limits and methods of measurement for the
protection of on-board receivers
GB/T 18837-2015 Multi-connected air-condition (heat pump) unit
GB/T 19951-2005 Road vehicles - Test methods for electrical disturbances
from electrostatic discharge
GB/T 21361-2017 Motor vehicle air-conditioning unit
GB/T 21437.2 Road vehicles - Electrical disturbances from conduction and
coupling - Part 2: Electrical transient conduction along supply lines only
GB/T 21437.3 Road vehicles - Electrical disturbances from conduction and
coupling - Part 3: Electrical transient transmission by capacitive and inductive
coupling via lines other than supply lines
GB/T 27630 Guideline for air quality assessment of passenger car
GB/T 28370 Detect methods for the air quality inside long distance coach
GB/T 30512 Requirements for prohibited substances on automobiles
JB/T 7249 Terminology of refrigeration equipment
JB/T 10562 Technical specification for general purposes axial fans
JB/T 10563 Technical specification for general purposes centrifugal fans
JB/T 12845 Electrically driven compressor for automobile air conditioning
QC/T 413 Basic technical conditions of automotive electrical equipment
SAE J 1627-2011 Performance criteria for electronic refrigerant leak
detectors
SAE J 1628 Technician procedures for refrigerant leak detection in service
of mobile air conditioning systems
The sum of compressor power and accessory electric power of the air-
conditioning unit under the specified refrigerating/heating capacity test
conditions.
Note: The unit is watt (W).
3.6
Energy efficiency ratio; EER/coefficient of performance; COP
The ratio OF refrigerating/heating capacity TO total electric power of the air-
conditioning unit under the specified refrigerating/heating capacity test
conditions.
Note: The unit is watts per watt (W/W).
3.7
Voltage grade of power supply
The air-conditioning unit is powered by a motor vehicle power supply. The
voltage grades of power supply are 12 V, 24 V, 36 V, 42 V, 48 V, 72 V, 120 V,
144 V, 168 V, 192 V, 216 V, 240 V, 264 V, 288 V, 312 V, 336 V, 360 V, 384 V,
408 V, 540 V , 600 V, 730 V, etc.
3.8
Refrigerating capacity weight ratio
The ratio of the refrigerating capacity of the air-conditioning unit to the total
mass of the air-conditioning unit under the specified refrigerating capacity test
conditions.
Note: The unit is watts per kilogram (W/kg).
4 Types and basic parameters
4.1 Types
4.1.1 According to the structural style of air-conditioning unit, it can be divided
into:
- Integral type;
- Split type.
4.1.2 According to the layout method of the evaporator for air-conditioning unit,
- Ultra-low temperature type.
4.2 Basic parameters
4.2.1 The basic parameters of the air-conditioning unit include
refrigerating/heating capacity, air supply volume, total electric power, energy
efficiency ratio, refrigerating capacity weight ratio, noise.
4.2.2 The ambient temperature conditions for the normal operation of the air-
conditioning unit are as follows:
- Normal type: -5 °C~50 °C;
- Low temperature type: -15 °C~50 °C;
- Ultra-low temperature type: -25 °C~50 °C.
4.2.3 The working condition parameters of the air-conditioning unit are specified
as follows:
- The test conditions of the air-conditioning unit shall be in accordance with
Table 1;
- The full-performance conditions of normal air-conditioning unit shall be in
accordance with Table 2;
- The full-performance conditions of low temperature air-conditioning unit
shall be in accordance with Table 3;
- The full-performance conditions of ultra-low temperature air-conditioning
unit shall be in accordance with Table 4.
5.1.1 The air-conditioning unit shall comply with the provisions of this Standard;
and, be manufactured in accordance with the drawings and technical
documents approved by the prescribed procedures.
5.1.2 The prohibited substances on the air-conditioning unit shall meet the
requirements of GB/T 30512.
5.2 Requirements for parts and materials
5.2.1 All parts and materials of the air-conditioning unit shall comply with the
relevant standards, respectively; meet the use performance requirements and
ensure safety.
5.2.2 The heat insulation layer of the air-conditioning unit shall have good
thermal insulation and non-absorbency, be non-toxic and non-odorous. The
heat insulation layer shall be pasted firmly and evenly.
5.2.3 The selection and installation of electrical components of air-conditioning
unit shall meet the requirements of GB 4706.32 and GB 5226.1.
5.2.4 The outer insulation layer of the wire and cable for air...