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EV Battery Testing Chiller – Low Temperature Series

Temperature control in the testing process of new energy vehicle components.

The equipment can meet the requirements of direct cooling or direct heating for battery pack and electric vehicle testing. The device is mainly used for testing the cooling and heating capacity of the batteries. It can adopt a variable frequency compressor with adjustable output; variable frequency fan with adjustable speed and heat dissipation capacity. Combined with high precision temperature, pressure and flow sensors. It can also calculate heat transfer capacity in real time and automatically recover and add refrigerant. Can accommodate battery packs of different sizes.

The testing object is connected to a testing adapter; component cooling and heating test is conducted by ethylene glycol plus water mixture.

The test unit needs to go through a specific temperature range curve and record the temperature change. The temperature usually ranges from -40degC to 100degC (expandable up to 150degC)

Overview:

  • Working Temperature Range: -40degC to +150degC
  • Temperature/pressure/flow can be independently controlled
  • The temperature of antifreeze ranges from -40degC to +100degC (expandable to +150degC) with a very steep temperature gradient.
  • Different application related models like – One machine for two groups control; one machine for six groups control; Variable Frequency vortex compressor.
  • Variable frequency series models: Can adopt a variable frequency vortex compressor, the operating speed is automatically adjusted according to actual needs, providing the required cooling capacity. Compared with traditional fixed frequency compressors, it significantly reduces energy consumption and improves energy efficiency performance.
  • Constant power output function for both hot and cold.
  • LNEYA PLC control with 7-inch colour large screen and comprehensive multifunctional image display of important data information.
  • Relevant operational status data can be continuously monitored and visualized on the screen. Can independently control one to multiple flow channels where each group can be independently set.
Low temperature series -20°C to +100°C
Model KRY-255
KRY-255W		 KRY-275
KRY-275W		 KRY-2A10
KRY-2A10W		 KRY-2A15
KRY-2A15W		 KRY-2A25
KRY-2A25W		 KRY-2A38W
Temp Range -20°C to +100°C
Temp Control Accuracy ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±0.3°C
Temp Feedback Pt100 Pt100 Pt100 Pt100 Pt100 Pt100
Temp Display 0.01k 0.01k 0.01k 0.01k 0.01k 0.01k
Flow Rate Output 1 – 15 L/min 1 – 25 L/min 1 – 30 L/min 1 – 40 L/min 1 – 40 L/min 1 – 40 L/min
Flow Rate Accuracy ±0.2 L/min ±0.2 L/min ±0.2 L/min ±0.2 L/min ±0.2 L/min ±0.2 L/min
Pressure Display Using a pressure sensor, the pressure is displayed on the touch screen and can be controlled and adjusted from 0.2 to 2.5 bar
Heating capacity 5.5kW 7.5kW 10kW 15kW 25kW 38kW
Cooling Capacity 100°C 5.5kW 7.5kW 10kW 15kW 25kW 38kW
20°C 5.5kW 7.5kW 10kW 15kW 25kW 38kW
0°C 5.5kW 7.5kW 10kW 15kW 25kW 38kW
-15°C 2.8kW 3.8kW 4.6kW 7kW 12kW 16kW
Connection Size ZG3/4 ZG3/4 ZG3/4 ZG3/4 ZG3/4 ZG3/4
Water-Cooled
at 25°C		 1900L/H
ZG3/4		 2500L/H
ZG3/4		 3000L/H
ZG1		 4000L/H
ZG1		 6000L/H
DN32		 9000L/H
DN40
Power (380V 50Hz) 11kW max 14kW max 19kW max 23kW max 31kW max 45kW max
Dimensions (cm) 55×100×175 55×100×175 70×100×175 80×120×185 100×150×185 100×150×185
Weight (kg) 230kg 250kg 300kg 320kg 570kg 830kg
Low temperature series -40°C to +100°C
Model KRY-455
KRY-455W		 KRY-475
KRY-475W		 KRY4A10
KRY-4A10W		 KRY-4A15
KRY-4A15W		 KRY-4A25
KRY-4A25W		 KRY-4A38W KRY-4A60W
Temp Range -40°C to +100°C
Temp control accuracy ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±0.3°C
Temp feedback Pt100 Pt100 Pt100 Pt100 Pt100 Pt100 Pt100
Temp display 0.01k 0.01k 0.01k 0.01k 0.01k 0.01k 0.01k
Flow rate output 1 – 25L/min 1 – 25L/min 1 – 25L/min 1 – 40L/min 1 – 40L/min 1 – 40L/min 1 – 40L/min
Flow rate accuracy ±0.2L/min ±0.2L/min ±0.2L/min ±0.2L/min ±0.2L/min ±0.2L/min ±0.2L/min
Traffic Description When the temperature control is below -30 °C, the flow control is within 80% of the maximum value
Pressure display Using a pressure sensor, the pressure is displayed on the touch screen and can be controlled and adjusted from 0.2 to 2.5 bar
Heating capacity 5.5kW 7.5kW 10kW 15kW 25kW 38kW 60kW
Cooling capacity 100°C 5.5kW 7.5kW 10kW 15kW 25kW 38kW 60kW
20°C 5.5kW 7.5kW 10kW 15kW 25kW 38kW 60kW
0°C 5.5kW 7.5kW 10kW 15kW 25kW 38kW 60kW
-20°C 2.8kW 4.5kW 6kW 10kW 16kW 25kW 35kW
-35°C 1.2kW 1.8kW 2.5kW 4kW 6.5kW 10kW 15kW
Connectionsize ZG3/4 ZG3/4 ZG3/4 ZG3/4 ZG3/4 ZG3/4 ZG3/4
Water-cooled At25°C 1900L/H
ZG3/4		 2500L/H
ZG3/4		 3000L/H
ZG1		 4000L/H
ZG1		 6000L/H
DN32		 9000L/H
DN40		 15000L/H
DN50
Power 380V SOHZ 10kW max 14kW max 17kW max 25kW max 38kW max 58kW max 84kW max
Dimension(cm) 55*100*175 55*100*175 70*100*175 80*120*185 100*150*185 100*150*185 200*145*205
Weight(w) 250kg 280kg 320kg 360kg 620kg 890kg 1300kg
One machine for two groups control -40°C to +100°C (Temperature/pressure/flow can be independently)
Model KRY-475/2T
KRY-475W/2T		 KRY-4A15W/2T KRY-4A25W/2T KRY-4A38W/2T KRY-4A60W/2T
Temp Range -40°C to +100°C
Temp control accuracy ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±0.3°C
Temp feedback Pt100 Pt100 Pt100 Pt100 Pt100
Temp display 0.01k 0.01k 0.01k 0.01k 0.01k
Flow control/Group 1 – 25 L/min 1 – 40 L/min 1 – 40 L/min 1 – 40 L/min 1 – 40 L/min
Flow control accuracy/Group ±0.2L/min ±0.2L/min ±0.2L/min ±0.2L/min ±0.2L/min
Number of fluid output groups 2groups 2groups 2groups 2groups 2groups
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 unit can control the flow individually or separately. Need to control different solutions at the same time (customized)
Heating power 7.5kW*2 10kW*2 15kW*2 25kW*2 38kW*2
Cooling capacity 100°C 7.5kW*2 15kW“2 25kW*2 38kW*2 60kW*2
20°C 7.5kW*2 15kW“2 25kW*2 38kW*2 60kW*2
0°C 7.5kW*2 15kW“2 25kW*2 38kW*2 60kW*2
20°C 4.5kW*2 8.5kW*2 14kW*2 22kW*2 35kW*2
35°C 1.8kW*2 4kW*2 6.5kW*2 10kW*2 15kW*2
Compressor Emerson Copeland
Throttle type Electronic expansion valve
Oil separator Emerson/GUANYA
Dry filter Danfoss
Evaporator Plate heat exchanger
Circulation pump Magnetic driven pump
Flow pressure The pump speed is regulated by frequency converter
Input display 7-inch color touch screen \ 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, high temperature protection, sensor fault protection and other safety functions
Closed circulation system The whole system is a fully closed system, there will be no oil mist at high temperature, the system in operation will not because of high temperature pressure rise, low temperature automatically add heat conduction medium.
Refrigerant R404A/R507C/R125/N40 All four refrigerants are available
Connection size There are two groups of inlet and outlet, ZG3/4
Water-cooled type W At20°C 4000L/H ZG1 8000L/H DN32 12000L/H DN40 20000L/H DN50 30000L/H DN65
Condenser(W) Condenser adopts plate heat exchanger, so please use chiller to provide cooling water or low hardness tap water
Power 380V50HZ 28kW 45kW 70kW 108kW 158kW
Dimension cm 80*120*185 100*150*185 200*145*205 200*145*205 250*145*225
Weight 660kg 850kg 1350kg 1800kg 2600kg
Optional 220V 60HZ Three phase 400V SOHZ Three phase 460V 60HZ Three phase , Extend to -40 to +135°C
Optional The size external circulation pipe line is DN15 or DN20, do not throttle, which will increase the circulation pump load, pipe need to be insulated, and adopt rubber and plastic insulation pipe which can afford high temp. liquid low level protection
Case material Cold rolled steel powder coating (standard color 7035)
Product
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