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Thermal Chillers for electric vehicles.


In automotive research and development, precise and rapid temperature control is critical for conducting accurate tests and realistic simulations. To achieve consistent and repeatable results, manufacturers and suppliers require advanced temperature control systems that go beyond standard applications.
Lneya’s KRY series delivers high-precision control and rapid temperature adjustments, designed to meet the most demanding requirements. Whether for rigorous testing or complex simulations, our solutions ensure reliability and efficiency, making temperature control challenges easy to tackle.

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Thermal Testing Solutions

See how lneya solves temperature control?

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Refrigeration, heating, temperature and flow control system


Automotive components undergo rigorous thermal durability testing through climate and temperature assessments. Lneya’s advanced thermostatic devices and systems are equipped with high-performance variable pressure pumps and support the direct use of automotive coolants, ensuring exceptional performance under stress conditions.

By incorporating Lneya’s precise flow control units, these tests achieve unmatched accuracy and reproducibility, setting new standards in thermal testing reliability.

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Temperature control in the testing process of new energy vehicle components


DC/DC converters, inverters, and power modules are critical components in electric vehicle drive systems. To ensure their reliability and efficiency, these components are tested under various climatic conditions.

LNEYAconstant temperature devices and systems deliver precise temperature control, operating within a test range of -40°C to 160°C. They adapt seamlessly to varying load conditions, ensuring consistent and reliable performance throughout testing.

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Lneya Customization

Temperature control solutions tailored for the automotive industry


Our automotive customers frequently choose circulation coolers and thermostats, including chiller and process thermostats, as their preferred temperature control devices. These solutions are specifically designed to perform the following tasks with precision and reliability:

Temperature control accuracy ±0.5℃

Flow rate accuracy ±0.2L

Pressure can be controlled independently

Multi-channel temperature control


Lneya offers customized temperature control solutions tailored to the specific needs of the automotive industry. Our personalized systems are designed for flexibility, allowing for expansion and modification, and can be developed to meet your unique requirements.

kry04

New generation of Lneya KRY series chiller


Discover the reliability of Lneya’s proven range with the newly developed KRY chiller Designed for demanding temperature control tasks in the automotive industry, it offers an operating range from -40°C to 150°C, a modular interface concept, rapid temperature transitions, and enhanced performance with flow rates up to 50 L/min and maximum delivery pressures of 2 bar. Lneya process thermostats are the perfect solution for precise and challenging temperature requirements.

KRY Seres
KRY frequency conversion series
KRY -40℃~100℃ 1&6S

The advantages of KRY series in the new energy temperature control industry

WechatIMG494

LNEYA PLC，Multi channel independent temp control

The system adopts LNEYA PLC control, simple menu navigation, a 7-inch color large screen, and comprehensive and multifunctional image display of important data information (such as data, lines, and annotations).The newly added security measures ensure continuous unattended operation. All relevant operational status data is continuously monitored and visualized on the touch screen.Support independent control of one to multiple flow channels, each group can be independently set.

WechatIMG495

KRY-4A38W Heating and cooling rate

Thermal conductive medium: automotive antifreeze Heating up: starting temp -40℃, target temp 90℃,
Heating time 11 minutes, average heating rate 11.82
Temperature control accuracy: ± 0.5℃
Flow accuracy: ± 0.2L/min

WechatIMG496

Thermal conductive medium: automotive antifreeze Cooling: starting temp 90℃, target temp -40℃
Cooling time 14 minutes, average cooling rate 9.28
Temperature control accuracy: ± 0.5 ℃
Flow accuracy: ± 0.2L/min

KRY Partial temperature control test data table

Model KRY-75/2S KRY-A15/2S KRY-A25W/2S KRY-A38W/2S KRY-A60W/2S
KRY-75W/2S KRY-A15W/2S
Temp. Range 0℃～+100℃
Temp. control precision ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃
Temp. feedback Pt100 Pt100 Pt100 Pt100 Pt100
Temp. display 0.01k 0.01k 0.01k 0.01k 0.01k
Flow control/Group 2～25 L/min 2～25 L/min 2～25L/min 5～50 L/min 5～50 L/min
Flow control accuracy/Group ±0.2L ±0.2L ±0.2L ±0.2L ±0.2L
Number of fluid output groups 2 Groups 2 Groups 2 Groups 2 Groups 2 Groups
pressure control/Group 0.2bar～2.5bar 0.2bar～2.5bar 0.2bar～2.5bar 0.2bar～2.5bar 0.2bar～2.5bar
flow pressure description The equipment can control flow and pressure separately. need to control at the same time using different solutions (to be customized)
Heating power 10kW 10kW 15kW 25kW 38kW
cooling capacity 100℃ 10kW 15kW 25kW 38kW 60kW
20℃ 10kW 15kW 25kW 38kW 60kW
5℃ 7kW 11kW 18kW 27kW 42kW
compression Emerson Valley Wheel Compressor
expansion Danfoss  Thermal Expansion Valve/ Emerson Solenoid
oil distributor Emerson
Dry filter, Pressure Emerson/Danfoss
Evaporator Plate heat exchanger
Ciriulating pump Magnetic pump
Frequency Delta
Flow, Pressure sensor German brand flowmeter, johnson Controls pressure
input, Display 5 inch color touch screen \ Siemens S7-1200 PLC controller
Communication Modbus RTU protocol RS485 interface, optional CAN communication bus, Ethernet interface TCP/IP protocol
Safety protection With self-diagnosis function; Refrigerator overload protection; High pressure switch, overload relay, thermal protection
device, low liquid level protection, high temperature protection, sensor fault protection and other safety functions
refrigerant R404A/R507C/R125/N40 All four refrigerants are available
Connection size There are two groups of inlet and outlet，G3/4
Cooling water at 20C° 2600L/H 3200L/H 6000L/H 9000L/H 15000L/H
Condenser(W) Shenshi tube type heat exchanger
Power 380V50HZ 17kW 20kW 31kW 43kW 65kW
Dimension cm 70*100*175 80*120*185 100*150*185 120*180*205 145*205*225
Weight 360KG 450kg 750kg 1000kg 1700kg
Optional 220V 60HZ three phase    460V 60H three phase

Model Synbol Unit KRY-4A25W/6S KRY-4A38W/6S KRY-4A60W/6S
Temp Range ℃  -40℃～+100℃
Flow rate output L/min 1～20  1～20  1～40 
Flow rate accuracy  L/min ±0.2
Heating power kW 15 25 38
Cooling Capacity 100℃ 25kW 38kW 60kW
200℃ 25kW 38kW 60kW
0℃ 25kW 38kW 60kW
 -35℃ 5kW 8kW 13kW
Refrigerant   R404A/R507C/R125/N40
Power 380V50HZ kW max 38 55 82
Dimension(W) cm        
Dimension (A) cm 120*180*205 145*205*225 145*205*225
Weight (water cooling) KG 900 1200 1950
Control Mode Feedback PID + Our special dynamic control calculation, PLC controller
Temp. control Process temp. control and jacket temp. control model
Temp. difference Set or control the temperature difference between jacket oil and raw material process
Program Editor 10 programs, each program can edit 40 steps
Communication Portocol MODBUS RTU Protocol, RS485 interface
Material temp. feedback PT100 OR 4～20mA or communication（normal: PT100)
Temp. feedback The temp. of three points: the inlet and outlet of equipment,reactor material temp.(external temp. sensor)
Expansion valve Emerson thermal expansion valve/danfoss thermal expansion valve
Evaporator DANFOSS/KAORI Plate heat exchanger
Operation Panel 7-inch touch screen，show temp curve\EXCEL data output
Safety protection Self-diagnosis function; freezer overload protection; high pressure switch, overload relay,thermal protection device, liquid low level protection, high temperature protection and temperature fault protection.
Closed circulation system The whole system is full closed circulation, there is no oil mist at high temperature and no water vapor at low temperature, pressure do not rise up when system is running. The system will supply oil automatically at low temperature.
Refrigerant R404A/R507C/R125/N40  All four refrigerants are available

Model Synbol Unit KRY-475/475W/2S KRY-4A15W/2S KRY-4A25W/2S KRY-4A38W/2S KRY-4A60W/2S
Temp Range ℃  -40℃～+100℃
Flow rate output L/min 1～20 L/min 1～20 L/min 1～20 L/min 1～40 L/min 1～40 L/min
Flow rate accuracy  L/min ±0.2 L/min
Heating power kW 7.5kW 10kW 15kW 25kW 38kW
Cooling Capacity 100℃ 10kW 15kW 25kW 38kW 60kW
200℃ 10kW 15kW 25kW 38kW 60kW
0℃ 10kW 15kW 25kW 38kW 60kW
 -35℃ 2.5kW 4kW 6.5kW 10kW 15kW
Refrigerant   R404A/R507C/R125/N40
Power 380V50HZ kW max 16.5kW 24kW max 36kW max 56kW max 81kW max
Dimension(A) cm (A) cm 70*100*175 80*120*185 100*150*185 120*180*205 145*205*225
Weight (water cooling) KG 360KG 450KG 750KG 1000KG 1700KG
Model Synbol Unit KRY-455/455W KRY-475 KRY-4A10/4A10W KRY-4A15/4A15W KRY-4A25/4A25W KRY-4A38W KRY-4A60W
Temp Range ℃  -40℃～+100℃
Flow rate output L/min 1～10 L/min 1～25 L/min 1～25 L/min 1～40 L/min 1～40 L/min 5～50 L/min 5～50L/min
Flow rate accuracy  L/min ±0.2 L/min
Heating power kW 5.5kW 7.5kW 10kW 10kW/Optional 15kW 15kW/Optional 25kW 25kW/Optional 38kW 38kW/Optional 60kW
Cooling Capacity 100℃ 5.5kW 7.5kW 10kW 15kW 25kW 38kW 60kW
200℃ 5.5kW 7.5kW 10kW 15kW 25kW 38kW 60kW
0℃ 5.5kW 7.5kW 10kW 15kW 25kW 38kW 60kW
 -35℃ 1.2kW 1.8kW 2.5kW 4kW 6.5kW 10kW 15kW
Refrigerant   R404A/ R507C
Power 380V50HZ kW max 12kW max 15kW max 20kW max 29kW max 42kW max 58kW max 84kW max
Dimension(W) cm (W) cm 55*95*175 55*95*175 55*95*175 70*100*175 80*120*185 100*150*185 145*205*205
Dimension(A) cm (A) cm 55*95*175 55*95*175 70*100*175 80*120*185 100*150*185    

Weight (water cooling)

 KG 250KG 280KG 320KG 360KG 620KG 890KG 1300KG
Control Mode Feedback PID + Our special dynamic control calculation, PLC controller
Temp. control Process temp. control and jacket temp. control model
Temp. difference Set or control the temperature difference between jacket oil and raw material process
Program Editor 10 programs, each program can edit 40 steps
Communication Portocol MODBUS RTU Protocol, RS485 interface
Material temp. feedback PT100 OR 4～20mA or communication（normal: PT100)
Temp. feedback The temp. of three points: the inlet and outlet of equipment,reactor material temp.(external temp. sensor)
Expansion valve Emerson thermal expansion valve/danfoss thermal expansion valve
Evaporator DANFOSS/KAORI Plate heat exchanger
Operation Panel 7-inch touch screen，show temp curve\EXCEL data output
Safety protection Self-diagnosis function; freezer overload protection; high pressure switch, overload relay,thermal protection device, liquid low level protection, high temperature protection and temperature fault protection.
Closed circulation system The whole system is full closed circulation, there is no oil mist at high temperature and no water vapor at low temperature, pressure do not rise up when system is running. The system will supply oil automatically at low temperature.
Refrigerant R404A/R507C/R125/N40  All four refrigerants are available

Model KRYZ-475
KRYZ-475W		 KRYZ-4A15W KRYZ-4A25W
Temperature range -40℃～+100℃
Temperature control accuracy ±0.1℃ ±0.1℃ ±0.1℃
Temperature feedback Pt100 Pt100 Pt100
Temperature display 0.01k 0.01k 0.01k
Flow output 1～25 L/min 1～25 L/min 1～25 L/min
About traffic description When the temperature is below -30 degrees, the flow rate is controlled within 80% of the maximum value.
Flow control accuracy ±0.1 L/min ±0.1 L/min ±0.1 L/min
Pressure display Using pressure sensor, the pressure is displayed on the touch screen, and the pressure control can be adjusted from 0.2bar to 2.5bar
Heating capacity kW 7.5 15 25
Cooling capacity kW 100℃ 7.5 15 25
  20℃ 7.5 15 25
  0℃ 7.5 15 25
  -20℃ 4.5 10 16
  -35℃ 1.8 4 6.5
Compressor Inverter scroll compressor
Throttling method Electronic expansion valve
Oil separator Emerson
Filter drier Danfoss
Evaporator Plate Heat Exchanger
Circulation pump Variable frequency magnetic drive pump
Input, Display 7-inch color touch screen, PLC controller
Programming 5 programs can be compiled, each program can compile 40 steps
Communications Modbus RTU protocol RS485 interface, optional CAN communication bus, Ethernet TCP/IP protocol
Security protection It has self-diagnosis function; refrigerator overload protection; high pressure switch, overload relay, thermal protection device, low liquid level protection, high temperature protection, sensor fault protection and other safety protection functions.
System The entire system is a fully closed system. There will be no water vapor at high temperatures and no absorption of moisture in the air at low temperatures. The system will not cause pressure to rise due to high temperatures during operation, and will automatically replenish heat transfer media at low temperatures.
Refrigerant R404A/ R507C
Interface size G3/4 G3/4 G3/4
Water cooled @25℃ 2500L/H
ZG3/4		 4000L/H
ZG1		 6000L/H
DN32
Water cooled condenser The water equipment condenser of this product adopts plate heat exchanger, which requires water supply from chiller or low hardness tap water, and requires water purification filter
Air cooled condenser Microchannel Heat Exchanger / /
Power supply 380V50HZ 14kW 25kW 38kW
Dimensions cm 55*85*175 70*100*175 80*120*185
Weight 280kg 360kg 620kg
Standard Automatic antifreeze filling system, automatic liquid recovery system
Optional 220V 60HZ three-phase 400V 50HZ three-phase 440V 60HZ three-phase
Optional Temperature extended to -40℃～+135℃
Remark The external circulation pipeline should have a diameter of DN15 or DN20. The pipeline needs to be well insulated, and high-temperature resistant rubber and plastic insulation pipes can be used.
Shell material Cold rolled sheet spraying (standard color 7035)

Rated test conditions for all equipment: Dry bulb temperature: 20°C; Wet bulb temperature: 16°C. Inlet water temperature: 20°C; Outlet water temperature: 25°C.

You can trust our chiller factories

We are a very powerful chiller supplier with our own factory and more than 20 years of experience in the field of temperature control

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    • LNEYA’S CERTIFICATES

    With more than 80 invention patents and utility model certificates, PCEC explosion-proof equipment installation and maintenance qualification certificate, ISO9001 certification, EU CE certification, AAA credit rating, high-tech enterprise. Won the title of “Excellent Reactor Technology Supplier” by Corning, a Fortune 500 company in the United States, for seven consecutive years from 2015 to 2021; won the title of National High-tech Enterprise for the third time in 2021…

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    • “LNEYA” provides customized temperature control solutions for you.

    FAQ

    LNEYAPLC，Multi channel independent temp control,Kry series products can help you control the flow rate and temperature of each channel independently

    CHILLER Temperature, Flow, and Pressure Control System，Can help you solve the needs of fluid temperature control


    The injection system is crucial for optimizing the combustion process and minimizing emissions. To achieve precise performance, these systems are maintained at the desired temperature using Lneya thermostatic equipment. They undergo comprehensive testing on advanced test benches, covering scenarios from cold start simulations to full-throttle operations, ensuring optimal design and efficiency.


    The electronically controlled pumps in vehicles are designed to optimize thermal management efficiency. To ensure their reliability, they undergo rigorous testing to demonstrate durability and performance, even under challenging weather conditions. With Lneya’s KRY series, these systems deliver precise coolant supply and temperature control, adapting seamlessly to varying requirements.

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    • Tell us the temperature range you need to control
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    • Tell us what material you want to control the temperature

    Leave the rest to us, “LNEYA” will help you solve the temperature control

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    We respect your privacy, your email information will be kept strictly confidential, and our business staff will ensure that your private information is absolutely safe!
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