Product Description
Please Note!!!
We can customize different kinds of chillers and central air conditioners according to customer request.
Welcome to contact us for details, we will provide professional solutions for you.
Product Description
Low Temperature Modular Type Air Cooled Water Chiller And Heat Pump
(non-standard unit,please specify when ordering)
Adopting EVI scroll compressor and economizer,the unit can be used normally in low temperature environment, and greatly improve the heating operation efficiency of the unit in winter.
The compressor has added 1 gas filling port,the suction air of the unit is increased,the increased,the circulation flow is increased,the heat exchange heat of the unit on the condensing side is greatly increased,the heating capacity of the unit is increased by more than 30%,and the performance coefficient greatly improved.
By optimizing the matching of products,the amount of refrigerant in the evaporator at low ambient temperature is increased ,which can effectively avoid the failure of the refrigerant to completely evaporate due to the poor evaporation effect and the return of the compressor.
Increase the enthalpy of the compressor by supplementing the air,increasing the displacement of the compressor,ensuring that the product still runs stably at low ambient temperature,the compressor will not exceed the compression ratio of the compressor,ensuring the safe performance of the compressor reduce the compressor discharge temperature and extend the life of the compressor.
Product Parameters
| Product | Air cooed water chiller and heat pump- scroll compressor | ||||||||
| Type | Modular | ||||||||
| Model | RLSFWM136 | RLSFWM272 | RLSFWM408 | RLSFWM544 | RLSFWM680 | RLSFWM816 | RLSFWM952 | ||
| Nominal Cooling capacity | kW | 136 | 272 | 408 | 544 | 680 | 816 | 952 | |
| Cooling Inpurt Power | kW | 42.2 | 84.4 | 126.6 | 168.8 | 211 | 253.2 | 295.4 | |
| Running Current | A | 82.4 | 164.8 | 247.2 | 329.6 | 412 | 494.4 | 576.8 | |
| Nominal Heating capacity I | kW | 156 | 312 | 468 | 624 | 780 | 936 | 1092 | |
| Heating Inpurt Power | kW | 44.7 | 89.4 | 134 | 178.7 | 223.4 | 268.1 | 312.9 | |
| Running current | A | 80.4 | 160.8 | 241.2 | 321.6 | 402 | 482.4 | 562.8 | |
| Nominal Heating capacity I | kW | 114 | 228 | 342 | 456 | 570 | 684 | 798 | |
| Heating Inpurt Power | kW | 42.6 | 85.2 | 127.8 | 170.4 | 213 | 255.6 | 298.2 | |
| Running current | A | 83.2 | 166.4 | 249.6 | 332.8 | 416 | 499.2 | 582.4 | |
| Max. running current | A | 96.4 | 192.8 | 289.2 | 385.6 | 482 | 578.4 | 674.8 | |
| Power voltage | 3N-380V-50HZ | ||||||||
| Compressor | Type | Hermetic scroll type | |||||||
| Quantity | 4 | 8 | 12 | 16 | 20 | 24 | 28 | ||
| Starting mode | Direct start | ||||||||
| Regrigerant | Type | R410a | |||||||
| Charge (kg) | 11.5*4 | 11.5*8 | 11.5*12 | 11.5*16 | 11.5*20 | 11.5*24 | 11.5*28 | ||
| Control device | electronic expansion valve | ||||||||
| Evaporator | Shell & tube type | ||||||||
| Water Pressure drop | kPa | 70 | |||||||
| Water pipe Dia.DN | DN65*1 | DN65*2 | DN65*3 | DN65*4 | DN65*5 | DN65*6 | DN65*7 | ||
| Water flow | m3/h | 23.39 | 46.78 | 70.18 | 93.57 | 116.96 | 140.35 | 163.74 | |
| Dimension | L | mm | 2110 | 2110 | 2110 | 2110 | 2110 | 2110 | 2110 |
| W | mm | 2160 | 4320 | 6480 | 8640 | 10800 | 12960 | 15120 | |
| H | mm | 1870 | 1870 | 1870 | 1870 | 1870 | 1870 | 1870 | |
| Net weight | kg | 1360 | 2720 | 4080 | 5440 | 6800 | 8160 | 9520 | |
| Running weight | kg | 1480 | 2960 | 4440 | 5920 | 7400 | 8880 | 10360 | |
| Noise | dB(A) | 73 | 73 | 73 | 74 | 74 | 74 | 74 | |
| Note | 1. Standard cooling work condition: Ambient Temp: DB 35ºC, WB 24ºC; cooling water inlet 12ºC, outlet 7ºC. | ||||||||
| 2. Standard heating work condition I: Ambient Temp: DB 7ºC, WB 6ºC; heating water inlet 40ºC, outlet 45ºC. | |||||||||
| Standard heating work condition II: Ambient Temp: DB -12ºC, WB -13.5ºC; heating water outlet 41ºC. | |||||||||
| 3. The noise data is measured on the average of 1m far away from the unit. | |||||||||
| 4. To add internal hydraulic kit, the evaporator has to be plate type. | |||||||||
| 5. Main components: Compressor: Daikin/ CHINAMFG (Danfoss and CHINAMFG for option); EXV: Danfoss; Breaker: Schneider; Thermal relay: Schneider; Controller: Bangpu; Fan: HangZhouli | |||||||||
| Main protection measures | 1.High &low voltage protection; 2.Anti-freezing protection; | ||||||||
| 3.Temperature control; 4.Owe anti-phase protection; | |||||||||
| 5.High & low pressure protection; 6.High pressure exhaust temperature protection; | |||||||||
| 7.Built-in motor overheating protection; 8.Over-current protection; | |||||||||
| 9. Safe valve; 10.Check valve | |||||||||
| Commercial clause | * Price is based on EXW HangZhou, China. * Payment: 30% TT in advance, 70% before delivery. | ||||||||
| * Package: for container use. * Guarantee: 13 months for product, and 37 months for compressor. | |||||||||
| * Delivery: within 25~40 days after receiving advance payment. * Validity of prices: 30 days after quotation date. | |||||||||
| Advantage of product: | |||||||||
| 1. Easy to install and save space. This equipment does not need to install a water cooling pump, cooling towers or other auxiliary tools. To install this equipment does not require a large amount of materials, and during installation there is no need for large fees. | |||||||||
| 2. 100% heat recovery is for optional. | |||||||||
| 3. Modular design. Each cooling system operates independently of the others. The problem in the operation of 1 of the devices will not affect the operation of the other. | |||||||||
| 4. Equipment can be fully assembled on site. Standard modules are light weight and take up little space. | |||||||||
| 5. In accordance with the requirements and needs for cooling / heating the client, we create various combinations of modules. | |||||||||
| 6. In the process of starting the operation of the equipment, the alternate start of the compressors is carried out using a computer, which reduces the current impact on the power supply network. |
Delivery
TIME OF DELIVERY:Within 35 days after receiving deposit
Payment
Support T/T , L/C, Alibaba
Warranty
1) The whole chiller for 1 years,the compressor for 3 years.
2) Compressor brands vary according to model and actual needs.
After Sales Service
During the warranty period, machines which cannot run due to quality problems,Choose the following options.
1) During the one-year warranty period, non-human factors cause product quality problems, and provide parts replacement and repair and maintenance services.
2) In addition to the one-year warranty period, parts replacement and repair and maintenance services are provided at the user’s expense.
Promotion Method
1) Pay the full amount in 1 lump sum, 1% discount.
2) Recommend other customers to buy and return a part of the commission.
FAQ
Q1: Are you a manufacturer?
A1: Yes, we have more than 11 years in water chiller business. CHINAMFG Group Co.,Ltd is a central air conditioning product design,production,sale,installation in 1 of the modern large-scale enterprises.Group registered capital of 155.5 million yuan,covers an area of 3 hundred thousand square meters,construction area of 1 hundred and 80 thousand square meters. Group is located in the beautiful garden city in northwestern ZheJiang HangZhou.Welcome to visit us anytime!
Q2: Could you help us to recommend the model for our project?
A2: Yes, we have engineer to check the details and make the scheme for you. Based on the following: Cooling capacity / Refrigerant / Ambient temperature / Voltage / For what industry /The building drawing(if you have) / Any other special requirements.
Q3: How to ensure your product with good quality?
A3: We use the well-know brand accessories, such as Hanbell, copeland, CHINAMFG compressor, CHINAMFG expansion Valve, CHINAMFG controller. All HangZhouR chillers are factory tested under load conditions to ensure good quality and easy installation for users.
Q4:Pre-sales service
A4:
1.Quick response within .
2. hours. Various communication methods, email, phone or chat APP (WeChat/WhatsApp/linkin, etc.) are available.
3. Full technical information in English or Russian.
4. For the end user, HAVC design and drawings for project are offered online or on site free of charge.
Q5: After-sales service and guarantee
A5:
1. Report the order tracking status regularly, and provide real-time photos or videos if necessary.
2.Provide online installation and commissioning technical guidance, if necessary, can provide paid on-site commissioning services.
3. After-sales guarantee: 13 months for the main engine and 37 months for the compressor.
During the warranty period, if any quality defects, the accessories will be sent by us free of charge against detailed
descriptions and necessary videos&photos. The labor costs incurred in replacing the accessories will be deducted from the next order.
4. Overseas installation and maintenance partners have been signed in countries, welcome to choose.
Q6: How can I place an order?
A6: Contact us via made in China.
| After-sales Service: | Free Spare Parts |
|---|---|
| Warranty: | 1 Year |
| Type: | Chiller |
| Air Tube Material: | Galvanized Sheet |
| Corrosion Durability: | Higher |
| Operating Voltage: | 380/400 VAC |
| Customization: |
Available
|
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What Is the Role of Air Dryers in Scroll Compressor Systems?
Air dryers play a crucial role in scroll compressor systems by removing moisture and contaminants from the compressed air. Here’s a detailed explanation:
Air produced by scroll compressors typically contains moisture, oil vapors, and solid particles. These contaminants can negatively impact the performance and reliability of the compressor system and downstream equipment. Air dryers are specifically designed to address these issues and ensure the delivery of clean and dry compressed air.
The primary roles of air dryers in scroll compressor systems are as follows:
1. Moisture Removal:
Compressed air often contains high levels of moisture, which can lead to various problems. Moisture can cause corrosion in the compressed air system, leading to damage to pipes, valves, and other components. It can also adversely affect the performance of pneumatic tools and equipment. Air dryers remove moisture from the compressed air by employing different drying techniques, such as refrigeration, adsorption, or membrane drying. This helps prevent moisture-related issues and ensures the delivery of dry air to the application.
2. Contaminant Removal:
In addition to moisture, compressed air may contain oil vapors, solid particles, and other contaminants. These contaminants can originate from lubricants used in the compressor, ambient air, or the compressor system itself. Air dryers incorporate features like coalescing filters, activated carbon filters, or desiccant beds to trap and remove these contaminants from the compressed air. By removing contaminants, air dryers help maintain the cleanliness and quality of the compressed air, preventing damage to downstream equipment and ensuring reliable operation.
3. Protection of Equipment:
Air dryers play a vital role in protecting the scroll compressor and downstream equipment. Moisture and contaminants can cause corrosion, fouling, and wear in the compressor, valves, air tools, and other components. By removing moisture and contaminants, air dryers help extend the lifespan of the compressor and reduce the risk of equipment failures, downtime, and costly repairs. They also contribute to improved performance and efficiency of pneumatic equipment.
4. Enhanced Product Quality:
In applications where compressed air comes into direct contact with products, such as in food and beverage processing or pharmaceutical manufacturing, air quality is critical. Contaminated or moist compressed air can compromise product quality, contaminate sensitive processes, or pose health risks. Air dryers ensure that the compressed air used in these applications meets the required quality standards, contributing to the production of high-quality and safe products.
5. Energy Efficiency:
By removing moisture and contaminants from the compressed air, air dryers contribute to improved energy efficiency of the scroll compressor system. Moisture in the compressed air can cause pressure drops and increase the energy consumption of pneumatic equipment. Dry and clean compressed air reduces the load on the system and allows for more efficient operation, resulting in energy savings and reduced operational costs.
It’s important to select the appropriate type and capacity of air dryer based on the specific requirements of the scroll compressor system. Factors such as the desired level of air quality, flow rate, operating conditions, and the type of contaminants present should be considered when choosing an air dryer.
In summary, air dryers play a vital role in scroll compressor systems by removing moisture and contaminants from the compressed air. They contribute to improved performance, reliability, and energy efficiency of the compressor system, as well as protect downstream equipment and ensure the delivery of clean and dry compressed air for various applications.
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What is the Lifespan of a Typical Scroll Compressor?
The lifespan of a typical scroll compressor can vary depending on several factors. Here’s a detailed explanation:
1. Quality and Design:
The quality and design of the scroll compressor play a significant role in determining its lifespan. Well-built compressors with robust components and reliable manufacturing processes tend to have longer lifespans. Compressors from reputable manufacturers that adhere to industry standards and best practices are generally more durable and have extended lifespans.
2. Maintenance and Service:
The lifespan of a scroll compressor can be influenced by the maintenance and service it receives. Regular maintenance, including cleaning, lubrication (for lubricated compressors), and inspection of critical components, helps to ensure optimal performance and identify potential issues before they become major problems. Proper maintenance practices, such as timely filter replacements and refrigerant checks, contribute to the longevity of the compressor.
3. Operating Conditions:
The operating conditions under which the scroll compressor operates can impact its lifespan. Factors such as ambient temperature, humidity levels, and operating hours can affect the compressor’s performance and wear on its components. Compressors that operate in extreme temperatures or high humidity environments may experience more stress and have a shorter lifespan compared to those operating in more favorable conditions.
4. Load and Cycling Patterns:
The load and cycling patterns of the compressor also impact its lifespan. Compressors that consistently operate at or near their maximum capacity or frequently cycle on and off may experience more wear and tear. Compressors that are properly sized, matched to the load requirements, and operate within recommended duty cycles tend to have longer lifespans.
5. System Design and Installation:
The design and installation of the overall system in which the scroll compressor is installed can affect its lifespan. Proper system design, including appropriate sizing, adequate airflow, and efficient ductwork, ensures that the compressor operates under optimal conditions. Additionally, proper installation practices, such as correct refrigerant charge and proper electrical connections, contribute to the longevity of the compressor.
6. Application and Usage:
The specific application and usage of the scroll compressor can also impact its lifespan. Compressors used in commercial or industrial settings, where they may be subjected to heavy usage or demanding conditions, may have shorter lifespans compared to those used in residential applications with lighter usage. The type of refrigerant used and the presence of contaminants or corrosive substances in the system can also affect the compressor’s lifespan.
7. Average Lifespan:
On average, a well-maintained and properly operated scroll compressor can have a lifespan of 10 to 15 years. However, it’s important to note that this is an estimate, and individual compressors may experience longer or shorter lifespans based on the factors mentioned above.
It’s recommended to consult the manufacturer’s guidelines and specifications for the specific model of the scroll compressor to determine its expected lifespan and any recommended maintenance intervals. Additionally, working with qualified HVAC professionals can help ensure proper installation, maintenance, and troubleshooting of the scroll compressor, maximizing its lifespan and performance.
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Can Scroll Compressors Handle High-Pressure Applications?
Scroll compressors are capable of handling high-pressure applications, but there are certain considerations to keep in mind. Here’s a detailed explanation:
1. Pressure Ratings:
Scroll compressors are designed to operate within specific pressure ratings. The maximum pressure handling capacity of a scroll compressor is determined by its construction, materials, and design specifications. Manufacturers provide pressure ratings for their scroll compressors, indicating the maximum pressure at which the compressor can safely and reliably operate. It’s important to select a scroll compressor with a pressure rating suitable for the intended high-pressure application.
2. System Design:
The overall system design plays a crucial role in handling high-pressure applications. The components connected to the scroll compressor, such as the condenser, evaporator, and piping, should also be designed and rated to withstand the high pressures. Proper sizing, selection, and installation of these components are essential to ensure the safe and efficient operation of the entire system.
3. Refrigerant Type:
The choice of refrigerant used in the high-pressure application can impact the suitability of scroll compressors. Different refrigerants have varying pressure requirements and properties. It’s important to ensure that the scroll compressor is compatible with the specific refrigerant being used in the high-pressure system.
4. Cooling and Lubrication:
High-pressure applications can generate more heat, which may require enhanced cooling measures. Proper cooling mechanisms, such as fans or additional heat exchangers, should be incorporated into the system design to maintain the compressor’s operating temperature within acceptable limits. Additionally, adequate lubrication is crucial to minimize friction and wear at higher pressures. Ensuring the proper lubrication system is in place is essential for the reliable operation of scroll compressors in high-pressure applications.
5. Manufacturer Guidelines:
It’s important to consult the manufacturer’s guidelines and documentation for specific recommendations regarding the use of scroll compressors in high-pressure applications. Manufacturers provide detailed information on the maximum pressure ratings, refrigerant compatibility, cooling requirements, lubrication recommendations, and other important considerations specific to their scroll compressor models.
While scroll compressors can handle high-pressure applications, it’s critical to ensure that the compressor is appropriately selected, the system design is suitable, and all necessary precautions are taken to maintain safe and reliable operation. By following manufacturer guidelines and working with experienced HVAC professionals, scroll compressors can effectively handle high-pressure applications while maintaining their performance and longevity.
editor by CX 2023-12-04