Wuxi Guanya Refrigeration Technology co., ltd
LC  -25°C~ 5°C

LC -25°C~ 5°C

  • LC  -25°C~ 5°C
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  • 冷冻 (11).jpg

  • Product Description
  • System Introduce
  • Knowledge Center

1.Temperature ranges from -5℃ ~ -150℃, can meet different temperature
2. Famous brand semi-closed piston compressor, semi-closed bipolar piston compressor, semi-hermetic screw compressor, main brand are BOCK. Bitzer, Copeland, Handbell, fusheng; Plate heat exchanger, Small volume, High efficiency
3. Top imported cold controller; Generator cooling water circuit uses intermediate heat exchanger, improve system reliability and safety.
4. DANFOSS electronic expansion valve, high precision control;
5. Adopt Siemens PLC S7-200/300, LNEYA touch screen, automatic control, temperature curve display, temperature record U disk, fault alarm;
6. Offer machine installation and system test, users only need to finish the installation of refrigerant and cooling water.

      LNEYA adopts the world famous brand compressor, which can extend the service life of -10°Cto 200°Cdegree industrial chiller, enhance the refrigeration effect, reduce the energy consumption and noise of -10°Cto 200°Cindustrial chiller.

Model LC-12W LC-20W LC-30W LC-40W LC-60W LC-80W LC-120W LC-180W LC-240W LC-360W
Temperature Range -25°C~ 5°C
Cooling Capacity
At -20°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
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-25
Cooling Water at 30 degree 8m³/h 10m³/h 16m³/h 20m³/h 25m³/h 30m³/h 38m³/h 55m³/h 70m³/h 100m³/h
Expansion tank(standard) 100L 175L 250L 350L 500L 600L 750L / / /
Compressor Emerson Copeland、Dorin semi-closed compressor、Carlyle Carlyle、HANBELL、Fusheng、Bitzer screw compressor
Control System Standard: Single-chip micocomputer controller; Stepping control; 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
Evaporator Plate heat exchanger
Condenser Casing type water-cooled condenser / tube-type water-cooled condenser
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/R507C
Throttling method
Electronic expansion valve
Secondary refrigerant Non-corrosive liquid, aqueous ethanol solution, aqueous glycol solution, 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
Dimension cm 100*150*185 100*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
Power 12kW max 17kW max 26kW max 38kW max 50kW max 63kW max 86kW max 127kW max 167kW max 247kW max
dB within 75 dB within 80 dB within 90 dB
Weight (kg) 800 950 1100 1350 1500 1800 2400 3100 3600 5000

Ultra-low temperature chiller

Ultra-low Temperature Chiller Practical Application

Ultra-low temperature chiller practical application

After running for a period of time, the normal operation of ultra-low temperature circulating water chiller needs comprehensive maintenance and maintenance. For many enterprises, due to the weak consciousness of daily maintenance, the cryogenic cycle water chiller has been used for a long time without maintenance. If the low-temperature cycle chiller is lack of necessary maintenance, the failure rate of the ultra-low temperature circulating water chiller will be pretty high in the later period.

There will be a large range of incrustation problem after an industrial long-term cryogenic operation of circulating water chiller. If the incrustation cannot be effectively cleaned up, the range of incrustation will continuously extend after a long time of accumulation, which will directly affect the industrial circulation chillers of ultra-low temperature.

If the ultra-low temperature recirculating chillers frequently used in a hostile environment, shorten the cleaning time to three months in order to reduce the probability of all kinds of malfunctions of the industrial ultra-low temperature chiller.

As long as there are some problems such as the increase of energy consumption, the comprehensive cleaning, and maintenance of the industrial ultra-low temperature circulating water chiller can be carried out. Proper cleaning and maintenance can extend the service life of ultra-low temperature cycle chillers, and avoid all kinds of faults to affect the safe operation of industrial ultra-low temperature cycle chillers.

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