Wuxi Guanya Refrigeration Technology co., ltd
Refrigeration Circulator

Refrigeration Circulator

  • Refrigeration Circulator
  • WaterAir Cooled Chiller-1.JPG
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Refrigeration Circulator


  • Product Description
  • System Introduce
  • Knowledge Center

Product Advantages:

1. The temperature of heat transfer fluid can be adjustable.
2. Adopt ASPERA,DANFOSS,MANEUROP,COPELAND etc. Brand compressor.stable performance and can work continuously.
3. Human design, more convenient and flexible.
4. Microcomputer temperature controller, temperature figures display, the adjustable unit is 0.1℃, the temperature range is -80℃~-20℃.
5. Use hot gas bypass, save energy and improve the control precision.
6. A variety of fault alarm (overtemperature alarm, high-pressure alarm, sensor alarm, compressor overheat alarm)
7. Power on delay protection.
8. All parts are safety grounding.
9. The high-performance circulating pump can guarantee 24 hours continuously running a day.

LNEYA adopts the world famous brand compressor, which can extend the service life of -10°C to 200°C degree industrial chiller, enhance the refrigeration effect, reduce the energy consumption and noise of -10°C~ 200°C Industrial Chiller.


Model LT-8018N LT-8030N LT-8062N LT-8090N LT-80A1N LT-80A2WN
Medium Temperature Range -80℃~-20℃
Temp. Control and Dispaly ASET multifunctional controller, control outlet temperature of water tank
Temp. Control Optional Temperature feedback PT100 (inlet temperature, outlet temperature)
Cooling Capacity -40℃ 0.6KW 1.4KW 2.8KW 3.4KW 4.8KW 7.2KW
-60℃ 0.4KW 0.8KW 1.6KW 2.1KW 4KW 6KW
-75℃ 0.2KW 0.5KW 0.9KW 1.2KW 2KW 3KW
Circulation Pump Flow Rate, Pressure  (max) 20L/min
0.7BAR
20L/min
0.7BAR
35L/min
1BAR
35L/min
1BAR
75L/min
1BAR
75L/min
1BAR
Capacity of Liquid Storage 15L 20L 30L 35L 40L 60L
Compressor Tecumseh, Dorin
Evaporator Plate Heat Exchanger
Operation Panel 7-inch color touch screen shows setting temperature and measuring temperature, temperature curve record,  data export excel-format
Safety Protection Self-diagnosis function; freezer overload protection; high pressure switch;overload relay, thermal protection device etc. security protection function.
Refrigerant R-404A/R23 mixed refrigerant
Connection Size G1/2 G1/2 G3/4 G3/4 G1 G1
Product size(air-cooled)(cm) 45*85*130 55*95*175 55*95*175 70*100*175 70*100*175 80*120*185
Weight (air-cooled) 185kg 230kg 275kg 340kg 380kg 470kg
Power 50HZ
max
AC220V
3kW
AC380V
4kW
AC380V
5.5kW
AC380V
7kW
AC380V
8.7kW
AC380V
11.5kW
Shell Material Cold rolled steel painting
Optional Circulation pump 35L/min  2.5bar、50L/min  2.5bar、110L/min  2.5bar optional
Optional Pressure ≤6 bar circulating pump
Optional MODBUS RTU Protocol, RS 485 Interface
Optional SUS304 Material
Optional Power 220V 60HZ three-phases,440-480V 60HZ three-phases
Remark Can make the bigger capacity of liquid storage as required.





Product Applitions

1. The temperature of heat transfer fluid can be adjustable;
2. Adopt ASPERA,DANFOSS,MANEUROP,COPELAND etc. Brand compressor.Stable performance and can work continuously;
3. Use hot gas bypass, save energy and improve the control precision;
4. A variety of fault alarm (overtemperature alarm, high-pressure alarm, sensor alarm, compressor overheat alarm);
5. Power on delay protection;All parts are safety grounding.



How is a low temperature chiller suitable for the mold industry?


Everyone knows that the use of low temperature chillers is relatively extensive, especially in the mold industry.

When the low temperature chiller is used to cool the mold, the mold is generally cooled together with the injection molding machine. Generally speaking, the mold is equivalent to a heat exchanger, and the heat is transferred from the mold to the mold and then from the mold to the cooling medium for cooling. Everyone knows that mold molding is inseparable from the function of cooling. When choosing a low-temperature chiller, try to choose a low-temperature chiller with better quality and higher cost. The relative operating power is higher than that of ordinary ones. If the low temperature chiller is used, it can increase the certain output and achieve a certain profit in a long time.

In the practical application of low temperature chillers and molds, the temperature difference of ice water at the inlet is determined according to the product requirements. In many cases, the temperature difference is 3-5 degrees, which is more ideal. The smaller the temperature difference, the more The same amount of ice water required for the same heat to take away, on the contrary, the required flow is very small.

In addition, when using a low-temperature chiller, it is necessary to continuously check the water quality of the low-temperature chiller. Once the water quality changes for a long time, it will cause some corrosion. If it is not treated in time, it will produce scale and can produce a certain separation. Heat, when severe, will reduce the effect of the conversion. Therefore, when configuring a low-temperature chiller, the water quality must be selected well. In addition, the scale can be treated regularly or in a timely manner.

In the process of cooling with a low-temperature chiller, the pressure of ice water should be selected. Of course, our microcomputer function can meet everyone's requirements and is quite convenient.

Another point is that the pipeline of the low-temperature chiller must be insulated and insulated, otherwise it will cause the loss of cooling capacity, forming dew condensation water on the outer wall, affecting the use of low-temperature chillers.

In fact, when purchasing low-temperature chillers, the more important thing is the quality problem. Since ancient times, it has been a price, since you bought it, you can buy it a little better!
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