CHILLER Refrigeration Circulator
LTZ variable frequency series- Cooling capacity2kW~320kW
- Temp Control Range-100℃~+90℃
- Temp control accuracy±0.5℃
*Are-cooled and Water-cooled Type
For Pharmaceutical & chemical industry
single fluid low temperature refrigeration unit
temperature control
-115℃~90°C
cooling method
Water cooling/Air cooling
LNEYA specializes in the production of single-fluid cryogenic chillers. The refrigeration temperature ranges from -150°C to -5°C, which can meet the needs of different refrigeration temperatures. The company developed a direct-cooled ultra-low temperature chiller, using international brand compressors Carrier, using automatic cascade refrigeration mode and mixed refrigerants, within 3 minutes can be refrigerated to minus 120°C.
Offer machine installation and system test, users only need to finish the installation of refrigerant and cooling water.
Widely used in chemical, pharmaceutical, biochemical and other industries in the field of low temperature reaction, refrigeration speed, safety and reliability.
Model | LTZ4-2H LTZ4-2WH |
LTZ4-4H LTZ4-4WH |
LTZ4-6H LTZ4-6WH |
LTZ4-10H LTZ4-10WH |
|
Temp range | -40℃~90℃ | ||||
Temp control accuracy | PLC controller, control the water tank outlet temperature screen | ||||
Temp control accuracy | ±0.3℃ | ||||
Heating power | 2.5kW | 5.5kW | 7.5kW | 10kW | |
Cooling capacity | -15℃ | 2kW | 4.5kW | 7kW | 11.5kW |
-35℃ | 0.7kW | 1.5kW | 2.3kW | 3.8kW | |
Circulation Pump MAX | 20L/min 2bar | 35L/min 2bar | 50L/min 2bar | 100L/min 2bar |
Temperature control accuracy | ±0.3℃ | ||||
Temperature feedback | Temperature feedback PT100 (inlet temperature, outlet temperature) | ||||
Compressor | Inverter compressor | ||||
Evaporator | Plate Heat Exchanger | ||||
Operation panel | 7-inch color touch screen displays set temperature and measured temperature, records temperature curve, and exports data in Excel format | ||||
Safety protection | Self-diagnosis function; refrigerator overload protection; high and low pressure sensors, overload relays, thermal protection devices and other safety protection functions. | ||||
power supply | AC380V 50HZ/ AC460V 50HZ | ||||
Shell material | Cold rolled sheet (REL7035) | ||||
Communication protocol MODBUS RTU protocol RS485 interface |
Model | LTZ-6 LTZ-6W |
LTZ-10 LTZ-10W |
LTZ-15 LTZ-15W |
LTZ-20W | LTZ-30W | LTZ-40W |
Temp range | 5℃~30℃ | |||||
Temp control | PLC controller, control the water tank outlet temperature screen | |||||
Temp control accuracy | ±0.5℃ | |||||
Cooling capacity 20℃ | 23kW | 40kW | 58kW | 79kW | 110kW | 155kW |
Circulation Pump MAX | 5m³/h | 5m³/h | 11m³/h | 14m³/h | 19m³/h | 28m³/h |
2bar | 2bar | 2bar | 2bar | 2bar | 2bar |
Model | LTZ2-6 LTZ2-6W |
LTZ2-10 LTZ2-10W |
LTZ2-15 LTZ2-15W |
LTZ2-20W | LTZ2-30W | LTZ2-40W | |
Temp range | -25℃~30℃ | ||||||
Temp control | PLC controller, control the water tank outlet temperature screen | ||||||
Temp control accuracy | ±0.5℃ | ||||||
Cooling capacity | -5℃ | 10.2kW | 18kW | 26.5kW | 28.4kW | 58.5kW | 64.5kW |
-15℃ | 7kW | 11kW | 16.2kW | 18.2kW | 39.6kW | 43.32kW | |
Circulation Pump MAX | 2.5m³/h | 4.2m³/h | 6m³/h | 6.7m³/h | 15m³/h | 15m³/h | |
2bar | 2bar | 2bar | 2bar | 2bar | 2bar |
Model | LTZ4-6 LTZ4-6W |
LTZ4-10 LTZ4-10W |
LTZ4-15 LTZ4-15W |
LTZ4-20W | LTZ4-30W | LTZ4-40W | |
Temp range | -45℃~20℃ | ||||||
Temp control | PLC controller, control the water tank outlet temperature screen | ||||||
Temp control accuracy | ±0.5℃ | ||||||
Cooling capacity | -20℃ | 5.7kW | 9.9kW | 14.8kW | 18.5kW | 28.1kW | 32.4kW |
-35℃ | 2.85kW | 5.03kW | 7.7kW | 10.8kW | 14.5kW | 17.4kW | |
Circulation Pump MAX | 1.5m³/h | 2.4m³/h | 3.5m³/h | 4.5m³/h | 6.8m³/h | 7.7m³/h | |
2bar | 2bar | 2bar | 2bar | 2bar | 2bar |
Model | LTZ6-6 LTZ6-6W |
LTZ6-10 LTZ6-10W |
LTZ6-15 LTZ6-15W |
LTZ6-20W | LTZ6-30W | LTZ6-40W | |
Temp range | -60℃~-30℃ | ||||||
Temp control | PLC controller, control the water tank outlet temperature screen | ||||||
Temp control accuracy | ±0.5℃ | ||||||
Cooling capacity | -40℃ | 6.2kW | 9.1kW | 12.8kW | 17.5kW | 28kW | 31.7kW |
-55℃ | 4.9kW | 7.2kW | 10kW | 13.8kW | 22.1kW | 25.1kW | |
Circulation Pump MAX | 2.4m³/h | 3.8m³/h | 5.3m³/h | 7m³/h | 10m³/h | 12.1m³/h | |
2bar | 2bar | 2bar | 2bar | 2bar | 2bar |
Model | LTZ8-6 LTZ8-6W |
LTZ8-10 LTZ8-10W |
LTZ8-15 LTZ8-15W |
LTZ8-20W | LTZ8-30W | LTZ8-40W | |
Temp range | -80℃~-50℃ | ||||||
Temp control | PLC controller, control the water tank outlet temperature screen | ||||||
Temp control accuracy | ±0.5℃ | ||||||
Cooling capacity | -60℃ | 5.8kW | 8.6kW | 12kW | 16.5kW | 26.6kW | 30kW |
-70℃ | 3.7kW | 5.5kW | 7.7kW | 10.6kW | 17kW | 19.2kW | |
Circulation Pump MAX | 2.3m³/h | 3.4m³/h | 4.6m³/h | 6.5m³/h | 11m³/h | 12m³/h | |
2bar | 2bar | 2bar | 2bar | 2bar | 2bar |
Model | LTZ10-4W | LTZ10-6W | LTZ10-10W | LTZ11-6W | LTZ11-10W | LTZ11-15W | |
Temperature range | -100℃~-65℃ | -115℃~-80℃ | |||||
Temperature control | PLC controller, control the water tank outlet temperatureh screen | ||||||
Temperature feedback | PT100 | ||||||
Cooling capacity | -80℃ | 0.8kw | 1.4kw | 2.1kw | |||
-90℃ | 0.6kw | 1.1kw | 1.7kw | 1.1kw | 1.7kw | 2.8kw | |
-100℃ | 0.8kw | 1.2kw | 2kw | ||||
Circulation Pump MAX | 20L/min 2bar | 20L/min 2bar | 30L/min 2bar | 20L/min 2bar | 30L/min 2bar | 40L/min 2bar | |
Compressor | Tecumseh, Emerson Copeland, Carrier | ||||||
Evaporator | Plate Heat Exchanger | ||||||
Frequency Converter | ABB | ||||||
Operation panel | 7-inch color touch screen displays set temperature and measured temperature, records temperature curve, and exports data in Excel format | ||||||
Safety protection | Self-diagnosis function; refrigerator overload protection; high and low pressure sensors, overload relays, thermal protection devices and other safety protection functions. | ||||||
Refrigerant | Mixed refrigerant 1 | Mixed refrigerant 2 | |||||
Interface size | G3/4 | G3/4 | G3/4 | G3/4 | G3/4 | G3/4 | |
Power supply 380v | 6kw max | 8.5kw max | 14kw max | 8.5kw max | 14KW max | 20KW max |
- Rated test conditions: dry bulb temperature: 20°℃; wet bulb temperature: 16℃. Inlet water temperature: 20”C; outlet water temperature: 25°C
- The data in this table is for reference only. Please refer to the unit nameplate parameters.
- If you need special non-standard product customization, please contact our company.
Descriptions
1.Temperature ranges from -115℃ ~ 90℃, 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.
Applications
Reaction kettle | Fermentation tank | Microreactor | Tubular reactor |
Vacuum chamber | Freeze-drying machine | Multiphase reactor | Tower reactor |
Industrial oil treatment | Gas chromatograph | Rotary evaporator | Pilot plant |
Injection water system | Pharmaceutical water system | Neutralization reaction | Decomposition reaction |
Oxidation reaction | Polymerization reaction | Crystallization reaction | Fermentation reaction |
Oil decomposition | Concentration reaction | Extraction System | Laser equipment |
CNC cooling | Laboratory Testing | Fab equipment | AOI system CMOS/CCD |
Tool machine | Cooling tower | Battery test cooling | Laboratogy research |
ATE | Chemical cooling | MRI | CO2 equipment |
Widely used in high-tech industries such as petrochemical, pharmaceutical and medical, biochemical engineering, aerospace industry, semiconductor manufacturing, and university research institutes.
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