Low Temperature Chiller LN -60℃~-10℃
We know that thelow temp process chillersare complicated equipment. Even the switch process, if not according to the standard of operation or with no special maintenance, will inevitably lead to a decline in the refrigeration efficiency of the low temperature chillers and will greatly reduce the service life of the them. Here, we will talk about major attention matters when enterprises use low temperature chillers!1. Refrigerant leakageRefrigerant leakage will not only affect the refrigeration efficiency of low temperature chillers, but also affect the health of people in and out of the engine room, so the issue of refrigerant leakage must be noted.2. Pay attention to the load of the low temperature chillersThe large load of low temperature chillers, or overload phenomenon which is more than the rated load, will bring about serious problems including refrigeration efficiency decline, bigger noise, bigger vibration amplitude, excessive consumption of resources, decline in service life and so on which need to pay attention to!3. Temperature and pressureIt can be said that the parameters related to temperature and pressure are the most important parameters of low temperature chillers. Enterprises should pay attention to the parameters related to the temperature and pressure of the low temperature chillers, and solve them in time, so as to avoid affecting the normal operation of the low temperature chillers.Paying attention to the points mentioned above has extraordinary importance for extending the service life of low temperature chillers ,and improving the refrigeration efficiency and the use safety of low temperature chillers.
-60℃~-10℃
Technical Parameters:
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Model | LN-6W | LN-10W | LN-15W | LN-20W | LN-30W | LN-40W | LN-60W | LN-90W | LN-120W | LN-180W |
Temperature Range | -60°C~ -10°C | |||||||||
Cooling CapacityAt -40°C | 12kw | 20kw | 30kw | 40kw | 60kw | 80kw | 120kw | 180kw | 240kw | 360kw |
10320Kcal/h | 17200Kcal/h | 25800Kcal/h | 34400Kcal/h | 51600Kcal/h | 68800Kcal/h | 103200Kcal/h | 154800Kcal/h | 206400Kcal/h | 309600Kcal/h | |
Cooling CapacityAt -55°C | 6kw | 10kw | 15kw | 20kw | 30kw | 40kw | 60kw | 90kw | 120kw | 180kw |
5160Kcal/h | 8600Kcal/h | 12900Kcal/h | 17200Kcal/h | 25800Kcal/h | 344000Kcal/h | 51600Kcal/h | 77400Kcal/h | 103200Kcal/h | 154800Kcal/h | |
Circulation Pump Info | 6.6m³/h | 9m³/h | 15m³/h | 15m³/h | 25m³/h | 25m³/h | 25m³/h | 35m³/h | 35m³/h | 50m³/h |
2.5bar max | 2.5bar max | 2.5bar max | 2.5bar max | 2.5bar max | 2.5bar max | 2.5bar max | 2.5bar max | 2.5bar max | 2.5bar max | |
Inlet&outlet connection size | DN-25PN-10 | DN-25PN-10 | DN-32PN-10 | DN-32PN-10 | DN-40PN-10 | DN-40PN-10 | DN-40PN-10 | DN-50PN-10 | DN-50PN-10 | DN-65PN-10 |
Cooling Water at 30 degree | 10m³/h | 14m³/h | 20m³/h | 25m³/h | 30m³/h | 35m³/h | 50m³/h | 70m³/h | 90m³/h | 120m³/h |
Cold Storage tank (optional) | 200L | 350L | 500L | 750L | 1000L | 1200L | 1500L | 2200L | 3000L | 4000L |
Expansion tank(standard) | 100L | 175L | 250L | 350L | 500L | 600L | 750L | 1000L | 1350L | 1800L |
Compressor | Dorin semi-closed compressor | Dorin compressor/HANBELL、Fusheng、Bitzer screw compressor | ||||||||
Operation Panel | 7-inch color touch screen display, temperature curve record | |||||||||
Control System | SIEMENS S7 PLC&Module,Set temperature difference of refrigeration on & off | |||||||||
Closed Circulation System | The whole system is a 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 supplement oil automatically at low temperature | |||||||||
Circulation Pump | LNEYA Mangetic Pump/German Brand Mangetic Pump | |||||||||
Evaporator | Danfoss/KAORI plate heat exchanger | |||||||||
Condenser | Casing type water-cooled condenser / tube-type water-cooled condenser | |||||||||
Intermediate heat exchanger | Danfoss/KAORI plate heat exchanger | |||||||||
Refrigeration accessory | Oil separators, drying filters, expansion valves, refrigeration solenoid valves, pressure control, mirrors, etc. all use Emerson / Danfoss and other brands | |||||||||
Electric | AC contactors, intermediate relays, circuit breakers, thermal relays, etc. are Schneider / ABB brand | |||||||||
Refrigerant | R404A/R23 mixture,optional: R125/R23 mixture | |||||||||
Secondary refrigerant | No corrosive liquid, ethanol water, heat transfer oil etc. | |||||||||
Safety Protection | High pressure protect; water supply cut-off protection; over-current protection; leakage protection; sequential and phase failure protection; High temperature protection; Sensor Failure protection; Liquid low level protection etc. multi-safety protection | |||||||||
Level Indicator | Adopt glass liquid level indication | |||||||||
Piping material | Expansion tank, cold storage tank and circulation pipeline are all made of SUS304 | |||||||||
Case material | Channel steel + square tube + cold rolled plate sealing plate spray 7035 | |||||||||
Dimension cm | 100*150*185 | 205*145*205 | 205*145*205 | 205*145*175 | 245*145*205 | 300*160*225 | 350*160*205 | 400*160*225 | 500*200*225 | 650*200*225 |
Power | 14kW | 18kW | 26kW | 35kW | 52kW | 69kW | 104kW | 152kW | 200kW | 300kW |
dB | within 75dB | within 80 dB | within 90 dB | |||||||
Weight (kg) | 850 | 1000 | 1200 | 1450 | 2000 | 2400 | 3000 | 3600 | 4200 | 5600 |
Optional | Optional outside touch screen display controller (separated), the communication line distance is 10 meter | |||||||||
Optional | Optional explosion-proof touch screen control system (ExdeIIBT4), the communication line distance is 15 meter |
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