Dongguan Jialisheng Refrigeration Equipment Co., Ltd.
Dongguan Jialisheng Refrigeration Equipment Co., Ltd.
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JLSF-20HP Frequency Conversion Constant Temperature Chiller, Precise Temperature Control
Product Description:
Variable Frequency Constant Temperature Chiller is a refrigeration equipment used in industrial and commercial applications. It combines frequency conversion technology and constant temperature control technology to enable precise temperature adjustment and energy consumption control according to needs.
Frequency conversion technology refers to adjusting the cooling capacity by adjusting the speed of the compressor in the refrigeration system. Traditional chillers usually use fixed-speed compressors and can only operate at a fixed power and cooling capacity. The variable frequency constant temperature chiller can adjust the speed of the compressor according to actual needs to match the load demand and achieve high-efficiency refrigeration operation.
Constant temperature control technology refers to the precise control of the water temperature of the chiller through accurate temperature sensors and control systems. This technology can ensure that the chiller outputs a constant temperature and is suitable for applications with high temperature requirements, such as medicine, chemical industry, semiconductor and other fields.
Product Features:
Frequency conversion constant temperature chiller has the following advantages:
1. Energy saving and high efficiency: The compressor speed is adjusted through frequency conversion and intelligently adjusted according to the load demand to avoid wastage of energy consumption and improve energy utilization efficiency.
2. Precise temperature control: Using constant temperature control technology, precise control of the water temperature of the chiller can be achieved to meet applications with high temperature requirements.
3. Stable operation: The variable frequency constant temperature chiller can adjust operating parameters in real time according to load changes, maintain stable working conditions, and improve the reliability and stability of the equipment.
4. Save space: Compared with traditional chillers, variable frequency constant temperature chillers are usually smaller in size and take up less space, making them suitable for places with limited space.
In short, variable frequency constant temperature chillers are widely used in industrial and commercial fields and can provide high-efficiency, precise temperature control, stable and reliable refrigeration solutions.
Working Principle:
The working principle of the variable frequency constant temperature chiller can be divided into three main parts: refrigeration cycle system, control system and constant temperature adjustment system.
1. Refrigeration cycle system:
- Compressor: The variable frequency constant temperature chiller uses variable frequency technology to control the speed of the compressor. The compressor is responsible for compressing the refrigerant gas into high-temperature and high-pressure gas.
- Condenser: The high-temperature and high-pressure gas dissipates heat through the condenser, cools and turns into high-pressure and high-temperature liquid.
- Expansion valve: High-pressure and high-temperature liquid enters the evaporator through the expansion valve. The pressure decreases and the liquid evaporates into refrigerant gas.
- Evaporator: The refrigerant gas absorbs heat through the evaporator, thereby cooling the water flow through the evaporator pipes, causing the water temperature to drop.
- Cooling water circulation: The cooling water circulates through the evaporator, absorbs the heat in the evaporator, and then returns to the cooling water unit to continue the cycle.
2. Control system:
- Frequency conversion control: Adjust the speed of the compressor by controlling the frequency converter, and adjust the cooling capacity according to actual needs to improve energy efficiency and save energy.
- Pressure sensor and temperature sensor: The control system monitors the pressure and temperature conditions in the refrigeration cycle in real time through the pressure sensor and temperature sensor.
- Control algorithm: Based on the feedback signal from the sensor, the control system uses a specific control algorithm to adjust the output of the inverter to achieve precise temperature control and optimized refrigeration effect.
3. Thermostat system:
- Temperature setting and feedback: Users can set the desired constant temperature value through the control panel or remote control. The control system monitors the temperature of the cooling water in real time through a temperature sensor and compares the feedback signal with the set temperature.
- Control actuator: According to the temperature difference, the control system adjusts the flow of cooling water by controlling the actuator (such as a solenoid valve) to keep the cooling water temperature stable near the set value.
- Feedback loop: The control system keeps the temperature of the cooling water constant by continuously adjusting the opening of the actuator to achieve constant temperature regulation.
By comprehensively operating the refrigeration cycle system, control system and constant temperature adjustment system, the variable frequency constant temperature chiller can provide precise temperature control according to actual needs while achieving high-efficiency refrigeration operation.
| ① Compressor | ⑤ Evaporator | ⑨ Temperature sensor | ⑬ Bypass valve |
| ② Condenser | ⑥ Ball valve | ⑩ Water tank | ⑭ Low voltage controller |
| ③ Filter drier | ⑦ Antifreeze switch | ⑪ Water pump pressure gauge | ⑮ High voltage controller |
| ④ Expansion valve | ⑧ Float switch | ⑫ Water pump | ⑯ Pressure relief valve |
Techinical Parameters:
| Model | JLSF-1HP | JLSF-2HP | JLSF-3HP | JLSF-4HP | JLSF-5HP | JLSF-6HP | JLSF-8HP | JLSF-10HP | ||
| Cooling capacity | KW/h | 3.1 | 6.2 | 9.3 | 12.4 | 15.5 | 18.6 | 24.8 | 31 | |
| Kcal/h | 2,700 | 5,400 | 8,100 | 10,800 | 13,500 | 16,200 | 21,600 | 27,000 | ||
| Temperature range | 5℃-35℃(Below 0℃ can be customized) | |||||||||
| Power supply | 1PH-220V 50HZ/60HZ 3PH-380V/415V 50HZ/60HZ | |||||||||
| Total power | KW | 1.21 | 2.03 | 2.84 | 3.7 | 4.5 | 5.7 | 7.33 | 8.83 | |
| Compressor | Type | Hermetic scroll type or piston | ||||||||
| Power | KW | 0.75 | 1.50 | 2.25 | 3.00 | 3.75 | 4.50 | 6.00 | 7.50 | |
| Circulating pump | Power | KW | 0.375 | 0.375 | 0.375 | 0.375 | 0.75 | 0.75 | 0.75 | 1.5 |
| Head | m | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 21.5 | |
| Refrigerant | Type | R22/R407c/R134a/R410a | ||||||||
| Control method | Temperature Sensing External Pressure Equalizing Expansion Valve | |||||||||
| filling volume | Kg | 0.50 | 1.00 | 1.50 | 2.00 | 2.50 | 3.00 | 4.00 | 5.00 | |
| Evaporator | Flow | m³/h | 0.82 | 0.98 | 1.45 | 1.88 | 2.42 | 2.92 | 3.75 | 4.85 |
| water capacity | m³ | 0.028 | 0.04 | 0.05 | 0.05 | 0.065 | 0.065 | 0.13 | 0.18 | |
| Diameter | inch | 1/2" | 3/4" | 1" | 1-1/2" | 1-1/2" | ||||
| Condensator | Type | Efficient brass sets corrugated aluminum fin | ||||||||
| Fan | Type | Axial flow | ||||||||
| air volume | m³/h | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | 8000 | 10000 | |
| Protective device | High and low pressure switch, antifreeze protection, fusible plug/safety valve, overload protection device, coil overheat protector, automatic temperature protection switch, etc. | |||||||||
| Machine size | L | mm | 680 | 800 | 1040 | 1140 | 1140 | 1200 | 1400 | 1400 |
| W | mm | 420 | 480 | 555 | 620 | 620 | 650 | 725 | 725 | |
| H | mm | 720 | 850 | 1060 | 1200 | 1200 | 1160 | 1450 | 1450 | |
| Unit weight | Kg | 60 | 90 | 130 | 140 | 170 | 210 | 270 | 350 | |
| Model | JLSF-12HP | JLSF-15HP | JLSF-20HP | JLSF-25HP | JLSF-30HP | JLSF-40HP | JLSF-50HP | JLSF-60HP | ||
| Cooling capacity | KW/h | 37.2 | 46.5 | 65 | 77.5 | 93 | 124 | 155 | 186 | |
| Kcal/h | 29,059 | 37,965 | 50,805 | 61,683 | 74,992 | 97,675 | 116,521 | 156,249 | ||
| Temperature range | 5℃-35℃(Below 0℃ can be customized) | |||||||||
| Power supply | 1N-220V 50HZ/60HZ 3N-380V/415V 50HZ/60HZ | |||||||||
| Total power | KW | 11.4 | 13.62 | 19.8 | 22.75 | 28.3 | 39.2 | 46.75 | 56.1 | |
| Compressor | Type | Hermetic scroll type or piston | ||||||||
| Power | KW | 9 | 11.25 | 15 | 18.75 | 22.5 | 30 | 37.5 | 45 | |
| Circulating pump | Power | KW | 1.5 | 1.5 | 2.2 | 2.2 | 4 | 4 | 4 | 5.5 |
| Head | m | 21.5 | 21.5 | 22 | 22 | 25 | 25 | 25 | 26 | |
| Refrigerant | Type | R22/R407c/R134a/R410a | ||||||||
| Control method | Temperature Sensing External Pressure Equalizing Expansion Valve | |||||||||
| filling volume | Kg | 7.2 | 9.1 | 12.2 | 15.3 | 18.6 | 24.5 | 30.6 | 36.8 | |
| Evaporator | Flow | m³/h | 5.81 | 7.6 | 10.16 | 12.34 | 15.2 | 19.53 | 23.3 | 30.52 |
| water capacity | m³/h | 0.18 | 0.21 | 0.28 | 0.32 | 0.32 | 0.61 | 0.66 | 0.72 | |
| Diameter | inch | 1.5" | 2" | 2.5" | 3" | |||||
| Condensator | Type | Efficient brass sets corrugated aluminum fin | ||||||||
| Fan | Type | Axial flow | ||||||||
| air volume | m³/h | 12000 | 15000 | 20000 | 25000 | 30000 | 40000 | 50000 | 60000 | |
| Protective device | High and low pressure switch, antifreeze protection, fusible plug/safety valve, overload protection device, coil overheat protector, automatic temperature protection switch, etc. | |||||||||
| Machine size | L | mm | 1400 | 1750 | 2000 | 2000 | 2200 | 2000 | 2000 | 2400 |
| W | mm | 725 | 750 | 900 | 900 | 900 | 1800 | 1800 | 1800 | |
| H | mm | 1450 | 1500 | 1770 | 1770 | 1770 | 2200 | 2300 | 2300 | |
| Unit weight | Kg | 370 | 480 | 590 | 590 | 880 | 1000 | 1280 | 1420 | |
Application Industry:
Frequency conversion constant temperature chillers are suitable for many industries and application fields, including but not limited to the following aspects:
1. Manufacturing industry: Frequency conversion constant temperature chillers can be used in various processes in the manufacturing industry, such as plastic processing, injection molding, rubber processing, metal processing, glass processing, etc. They can provide stable constant-temperature cold water for these processes to ensure product quality and production efficiency.
2. Chemical industry: In chemical processes, some reactions require strict temperature control. Frequency conversion constant temperature chillers can provide the required precise temperature control to meet the requirements of chemical reactions.
3. Pharmaceutical industry: In the pharmaceutical and medical device manufacturing process, precise temperature control is required to ensure product quality and safety. Variable frequency constant temperature chillers can provide precise constant temperature cold water for applications such as pharmaceutical production, laboratory and medical equipment cooling.
4. Semiconductor industry: In the semiconductor manufacturing process, precise temperature control of equipment and materials is required to ensure product quality and performance. The variable frequency constant temperature chiller can provide stable cooling water for cooling and temperature control of semiconductor equipment.
5. Food and beverage industry: During food and beverage processing, temperature control is required to ensure product quality and food safety. Variable frequency constant temperature chillers can be used for cooling, refrigeration and preservation applications in food processing.
In addition to the above industries, variable frequency constant temperature chillers can also be used in aerospace, energy, metallurgy, textiles, electronics and other fields to meet the needs of different industries for precise temperature control and high-efficiency refrigeration.
Automotive Manufacturing Chemical Engineering Electronics Industry Electroplating Industry
Injection Molding Industry Pharmaceutical Industry Plastic Packaging Industry Printing Industry
Upport and Services:
Chiller technical support and service includes:
1. 24/7 customer support
2. Remote guidance installation and maintenance
3. Remote Diagnostics and Troubleshooting
4. Phone/Email Advice and Guidance
5. User friendly documentation and manuals
6. Software Updates and Upgrades
7. Cost price of spare parts and consumables
Packing and Shipping:
Chillers are packaged and shipped in standard plywood wooden boxes. All components are secured and protected with a film, and the unit is then placed on a pallet for easy transport. And affix the shipping mark information label on the wooden box to ensure correct delivery.
How does frequency conversion control of variable frequency constant temperature chillers improve energy efficiency and save energy?
Frequency conversion control can significantly improve energy efficiency and energy saving in variable frequency constant temperature chillers, mainly through the following aspects:
1. Load matching: Traditional chillers usually use fixed-speed compressors that cannot be adjusted according to load requirements, resulting in low operating efficiency under partial load. The variable frequency constant temperature chiller uses variable frequency technology, which can adjust the speed of the compressor according to the actual load demand to match the load changes. This means that when the load is low, the compressor can run at a lower speed, reducing energy consumption.
2. Partial load operation: The variable frequency constant temperature chiller can adjust the cooling capacity according to actual needs to balance it with the load demand. When the load is small, the system can run at a lower cooling capacity to reduce energy consumption. In contrast, traditional fixed-speed chillers still operate at rated power under low load conditions, resulting in energy waste.
3. Frequent starts and stops: Traditional chillers have a high starting current when started, but variable frequency constant temperature chillers can avoid frequent starts and stops because they can adjust the operating status according to actual needs. By reducing the number of starts and stops, the energy consumption and mechanical wear of the equipment are reduced, and energy efficiency is improved.
4. Intelligent energy consumption control: The variable frequency constant temperature chiller monitors the load demand and operating status in real time through the control system, adjusts the cooling capacity according to actual needs, and achieves intelligent energy consumption control. Using advanced control algorithms and precise sensors, it can optimize and adjust according to actual conditions and improve system energy efficiency.
5. Efficient heat transfer design: Variable frequency constant temperature chillers usually use efficient heat exchangers in the design of heat transfer components to improve heat transfer efficiency and heat exchange effects. This can reduce energy consumption and improve cooling efficiency.
In summary, variable frequency control enables variable frequency constant temperature chillers to achieve the advantages of energy efficiency and energy saving in actual operation through load matching, partial load operation, reduction of frequent starts and stops, and intelligent energy consumption control.