Guangdong Wotech Renewable Energy & Technology Co., Ltd.
| Power Supply | 380V 3N 50HZ |
| Compressor | Screw |
| USRT | 100-250 |
| Ambient Temperature Range | -15~45 |
| Evaporator | Flooded Type |
| Condenser | Evaporative Cooling Type |
| Refrigerant | R134a |
| Type | Inverter |
| Brand Name | Wotech |
| Model Number | WBC-100RTP-B-S(KE-L) |
| Place of Origin | CHINA |
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Product Specification
| Power Supply | 380V 3N 50HZ | Compressor | Screw |
| USRT | 100-250 | Ambient Temperature Range | -15~45 |
| Evaporator | Flooded Type | Condenser | Evaporative Cooling Type |
| Refrigerant | R134a | Type | Inverter |
| Brand Name | Wotech | Model Number | WBC-100RTP-B-S(KE-L) |
| Place of Origin | CHINA | ||
| High Light | Industry Screw Chiller Units ，Energy-Saving Screw Chiller Units ，High-Performance Screw Chiller Units | ||
Inverter Screw Chiller Units High-Performance and Energy-Saving Cooling for Industry
Low-Temperature Inverter Screw Chiller Unit
The high-efficiency variable-speed screw low-temperature unit is one of Wotech's core products. lt features brand.name variable-speed screw compressors and precision-machined control components, paired with high-qualityrefrigerant and oil separation systems. lt has a compact structure, low noise, stable performance, and is easy toclean and maintain.With multiple capacity levels and configurations, the unit covers a cooling capacity range of 60kW-2000kW, withchiled water outlet temperatures ranging from -25'C to 20°C. The unit includes protection mechanisms such asphase-loss, overcurrent, and low oil flow rate, ensuring high reliability, eficiency, and safety.Thanks to its excellent part-load performance, low noise, and high energy efficiency, it is suitable for hotels.hospitals, office buildings, factories, and various other industrial or commercial applications.
Multi-Layer Control Measures
Inside the compressor, an efficient separation designensures oil is returned to the compressor duringoperation using centrifugal and gravity-based systemsNo oil pump is required. The independent oilseparation chamber design helps increase heatexchange efficiency and reduces oil carryover.The compressor and its accessories are equipped witha secondary oil separation filter to ensure clean oilcirculation and long-term system reliability
Low-Temperature Cooling Control Technology
During ultra-low temperature winter operation, thesystem automatically adiusts the refrigerant returnpressure and ensures smooth unit operation withoutthe need for external heaters or manual adjustments.This improves start-up reliability under extreme coldconditions andeffectively solves winter start-updifficulties for compressor systems.
Evaporator Materials
The evaporator utilizes A-grade surfacetreatment technology to ensure high cleanliness andcorrosion resistance.
It supports a wide range of refrigerants, includingR22,R134a,R507A,ammonia, and other fluorinebased and hydrocarbon refrigerants.Optional heat exchanger tubes include copper.
copper-nickel alloy,titanium alloy, and stainless stee(304,316,etc.) to meet different industrial needs.
Electrical Control System
The system uses microcomputer control for fast response, real-timemonitoring, and fault recording.
It supports timed startup/shutdown, remote monitoring, and centralizedmanagement, and can be equipped with well-known PLC controllers basedon project needs
Dry Filter
Combines a high-efficiency filter core with a compact design.The specialized filter medium ensures excellent dehydration performance.preventing moisture and acid corrosion, while ensuring system reliability evenin poor water quality environments.
Electronic Expansion Valve(EEV)
The valve precisely adjusts refrigerant flow based on cooling load andtemperature, maintaining optimal evaporation conditions and improving heatexchange efficiency.
It helps stabilize system operation and enhances energy efficiency, achievingfast and precise control of superheat.
Tube-in-Shell Evaporator & Condenser
These high-efficiency heat exchangers use internal threaded copper tubes andundergo strict testing to ensure reliable sealing and performance.They are compact, lightweight, efficient, and suitable for a wide range ofoperating conditions
Specifications
| Model No. | WBC-100RTP-B-S(KE-L) | WBC-125RTP-B-S(KE-L) | WBC-150RTP-B-S(KE-L) | WBC-200RTP-B-S(KE-L) | WBC-250RTP-B-S(KE-L) | ||
| Description | USRT | 100 | 125 | 150 | 200 | 250 | |
| Cooling Condition Cooling Water Temp.: W30-35°C Chilled Water Temp.: W-25~-5°C |
Cooling Capacity(User Side) | KW | 178.3 | 222.8 | 267.4 | 356.5 | 445.6 |
| Input Power | KW | 64.8 | 79.3 | 92.8 | 122.1 | 151.1 | |
| Current | A | 116.0 | 141.8 | 166.1 | 218.4 | 270.2 | |
| EER | W/W | 2.75 | 2.81 | 2.88 | 2.92 | 2.95 | |
| Max Input Power | KW | 77.8 | 95.2 | 111.4 | 146.5 | 181.3 | |
| Max. Input Current | A | 139.1 | 170.2 | 199.3 | 262.1 | 324.3 | |
| Power Supply | V/PH/HZ | 380V 3N~ 50HZ | 380V 3N~ 50HZ | 380V 3N~ 50HZ | 380V 3N~ 50HZ | 380V 3N~ 50HZ | |
| Compressor | Type | Screw | Screw | Screw | Screw | Screw | |
| Refrigerant | R134a | R134a | R134a | R134a | R134a | ||
| Quantity | Set | 1 | 1 | 1 | 1 | 1 | |
| Way Of starting | Inverter | Inverter | Inverter | Inverter | Inverter | ||
| Energy Adjust Range | 40%~100% | 40%~100% | 40%~100% | 40%~100% | 40%~100% | ||
| Evaporator | Type | Flooded Type | Flooded Type | Flooded Type | Flooded Type | Flooded Type | |
| Water flow on the chilled water side | m³/h | 30.7 | 38.3 | 46.0 | 61.3 | 76.6 | |
| Water resistance on the chilled water side | Kpa | 40 | 40 | 50 | 50 | 60 | |
| Chilled water side interface | inch | DN100 | DN125 | DN150 | DN150 | DN200 | |
| Freezing solution temperature range | °C | -15~5 | -15~5 | -15~5 | -15~5 | -15~5 | |
| Condensor | Type | Tube-in-Shell | Tube-in-Shell | Tube-in-Shell | Tube-in-Shell | Tube-in-Shell | |
| Water flow on the chilled water side | m³/h | 38.3 | 47.9 | 57.5 | 76.6 | 95.8 | |
| Water resistance on the chilled water side | Kpa | 50 | 50 | 60 | 60 | 70 | |
| Chilled water side interface | inch | DN100 | DN125 | DN150 | DN150 | DN200 | |
| Freezing solution temperature range | °C | 15~40 | 15~40 | 15~40 | 15~40 | 15~40 | |
| Unit Dimension | L / W / H | mm | 3500/1700/1950 | 3550/1750/2050 | 3600/1800/2100 | 3800/1850/2350 | 4000/1900/2350 |
| Unit Weight | kg | 1858 | 2100 | 2520 | 3130 | 3500 | |
| Operation Weight | kg | 2137 | 2415 | 2898 | 3600 | 4025 | |
Company Details
Business Type:
Manufacturer
Year Established:
2005
Total Annual:
40Million-50Million
Employee Number:
300~350
Ecer Certification：
Verified Supplier
Guangdong Wotech Renewable Energy & Technology Co., Ltd.(hereinafter referred to as Wotech) was founded in 2005, integrating research and development, manufacturing, marketing, and after-sales service of heat pumps. At present, Wotech has three production bases in Shunde, Zhaoqing ... Guangdong Wotech Renewable Energy & Technology Co., Ltd.(hereinafter referred to as Wotech) was founded in 2005, integrating research and development, manufacturing, marketing, and after-sales service of heat pumps. At present, Wotech has three production bases in Shunde, Zhaoqing ...
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