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CooLant Distribution Unit (CDU)

Liquid-cooled CDU provides coolant circulation for cold plates that are in direct contact with server heating components.

Reduce the energy consumption of refrigeration systems

Cold Plate Liquid Cooling CDU-15kW

Model
ZLFQ-15
ZLFQ-25
ZLFQ-50
ZLFQ-75
ZLFQ-100
ZLFQ-150
Temp Range
Cooling Water Temperature+5℃~35℃ 
Cooling Water 
5℃~30℃ Adopt Siemens/Honeywell regulating valve to control cooling water flow
Temp Control Accuracy
±0.2℃
±0.5℃
Flow Control
10~25L/min
25~50L/min
40~110L/min
70~150L/min
150~250L/min
200~400L/min
 
The flow control is adjusted by frequency converter, the precision ±0.3L/min
Cooling Capacity(MAX)
15kW
25kW
50kW
75kW
100kW
150kW
Storage Volume
15L
30L
60L
100L
150L
200L
Brine
Water, silicone oil, fluorinated liquid, ethylene glycol aqueous solution, etc.
Controller
PLC, fuzzy PID control algorithm, with cascade control algorithm
Temp Control
Heat transfer medium outlet temperature control mode, with cascade control algorithm
Letter of agreement
Ethernet interface TCP/IP protocol  
RS485 interface modbus RTU protocol
Device Internal Temperature Feedback
Equipment heat transfer medium outlet temperature, medium inlet temperature, cooling water temperature
Tank Level
Import and export pressure sensor detection, cooling water pressure detection
Medium Pipeline
SUS304
Heat Exchanger
Plate heat exchanger, special attention: need to use clean factory water
Operation Panel
LNEYA customized 7-inch color touch screen, temperature curve display\EXCEL data export
Security
With self-diagnosis function; phase sequence and phase failure protector; pressure protection, overload relay, thermal protection device and other safety protection functions.
In and out interface size
G3/4
G1
G1
DN32
DN40
DN50
Cooling water interface
G3/4
G1
DN40
DN50
DN50
DN65
Cooling Method
Water-cooled, the factory water temperature is lower than the minimum temperature provided by the equipment by more than 3°C, and the water temperature fluctuation is ≤3°C
Cooling Water Flow   7~20℃
2.5m³/h
4m³/h
8m³/h
13m³/h
17m³/h
25m³/h
Power 380V 50HZ
 1kW
1.5kW
3kW
4kW
5kW
6kW
Shell Material
Cold-rolled

 

Cabinet-type liquid cooling CDU-300kW

ZLFQ series Temperature accuracy ±0.5℃

Model
ZLFQ-200
ZLFQ-250
ZLFQ-300
ZLFQ-400
ZLFQ-500
Temp Range
Cooling Water Temperature+5℃~35℃ 
Temp Control Accuracy
±0.5℃
Flow Control  
15~30m³/h
20~35m³/h
25~40m³/h
30~60m³/h
40~70m³/h
 
Flow control is adjusted by frequency converter
Cooling Capacity(MAX)
 200kW
250kW
300kW
400kW
500kW
Storage Volume
250L
300L
600L
1000L
1200L
Cooling Method
Heat exchange between factory service water and brine, and brine provides cooling capacity for heating equipment
Brine
Water, silicone oil, fluorinated liquid, ethylene glycol aqueous solution, etc.
Controller
PLC, fuzzy PID control algorithm, with cascade control algorithm
Temp Control
Heat transfer medium outlet temperature control mode
Letter of agreement
Ethernet interface TCP/IP protocol  
RS485 interface modbus RTU protocol
Device Internal Temperature Feedback
Equipment heat transfer medium outlet temperature, medium inlet temperature, cooling water temperature
Tank Level
Pressure sensor real-time monitoring
Medium Pipeline
SUS304
System Pressure
Using the pressure sensor to detect and display on the touch screen
Heat Exchanger
Plate heat exchanger, special attention: need to use clean factory water
Operation Panel
LNEYA customized 7-inch color touch screen, temperature curve display\EXCEL data export
Security
With self-diagnosis function; phase sequence and phase failure protector; pressure protection, overload relay, thermal protection device and other safety protection functions.
In and out interface size
DN65
DN65
DN65
DN80
DN80
Cooling water interface
DN80
DN80
DN100
DN100
DN125
Cooling Method
Water-cooled, the factory water temperature is lower than the minimum temperature provided by the equipment by more than 3°C, and the water temperature fluctuation is ≤3°C

 

Cold Plate Liquid Cooled

Air-liquid structure,

heat dissipation up to 15KW

Cabinet Liquid Cooled

Liquid cooling cycle,

heat dissipation up to 300KW

Cooling Temp Control Unit

Cooling water temperature

5℃~35℃


Liquid to Liquid CDU: Best Cooling Performance of All Types
Liquid to Gas CDU: Limited cooling capacity in comparison, but requires no water piping and is easier to install
Closed-loop liquid-cooled CDU

The coolant distribution unit of our LNEYA can be said to be a liquid-to-liquid type, which greatly reduces the ratio of high loss of coolant in the past, and has high safety and reliability.


  • Fengliu structure
  • Heat dissipation up to 12kW
  • PUE≤1.2
  • Plug-in frame design
  • Hot and cold aisle isolation
  • The heat dissipation is as high as 15kW, which can quickly complete the construction of edge computer rooms and the transformation of old computer rooms. Annual OUE≤1.2, heat exchange increased by 10%.

Cooling water enters the unit and exchanges heat with the thermal conductivity medium, taking away the heat of the thermal conductivity medium and reaching the predetermined temperature for use. It can automatically adjust frequency conversion according to system pressure, temperature, and flow rate.

Using liquid cooling heat exchange to cool the main heat source and reduce the use of air-cooled systems. By using liquid cooling equipment to provide cooling liquid circulation for heating elements, the air heat exchange process is saved, and a large amount of energy consumption in refrigeration systems is saved.

Mainly Used For:

5G Base Station

Internet Data Center

Power Industry

Supercomputing Center

Financial Data Center

Game Rendering Industrial

Research Institutions

Medical Industry

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