High-Efficiency Inverter Screw Chiller Premium Industrial Cooling Solution

High-Efficiency Inverter Screw Chiller Premium Industrial Cooling Solution

High-End High-Efficiency Variable Frequency Screw Unit
Wotech's high-performance variable frequency screw unit is one of the core components developed in-house. ltfeatures a high-eficiency compressor manufactured with precision machining and superior materials. The unit offersexcellent refrigeration performance, stable operation, low noise, and easy maintenance.

The system supports a wide cooling capacity range (450kW-2200kW), with a chilled water outlet temperature aslow as 0'C and a cooling water inlet temperature up to 20°C

Thanks to intelligent control and eficient heat exchange technology, this unit is ideal for hotels, hospitals, officebuildings, factories, and various other applications requiring high energy efficiency and stable performance

Inverter Control Technology
The air conditioning system can intelligently adjustcompressor speed to match actual load,improvingsystem part-load efficiency.lt also supports preciseenergy control in multi-compressor systems, increasingpartial load energy efficiency (lPLV) by more than 25%
High-efficiency inverter drives adjust the motor's speed toimprove energy savings and maintain stable operationwith energy savings of over 20% under typical partialload conditions.
Advanced frequency conversion oil supply technolog)ensures reliable automatic oil return and distributionenhancing the durability and reliability of the system
Compressor
The unit adopts a high-efficiency semi-hermetic screw compressorwith advanced third-generation rotor profiles and patented tooth designIt supports stepless or dual-stage capacity control, sianificantlyimproving full-load and part-load performance.Compared to traditional models, energy efficiency is increased by20%-30%,and the compressor includes multiple protection functions.

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

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 and Heyuan, Covering covering 25, 000 square meters. With state-of-the-art automated production lines, and a modern and spacious office complex with its very own testing laboratories, making Wotech one of the most advanced air source heat pump suppliers in China. Through comprehensive planning and persistent study over the past 20 years, Wotech is awarded as one of the top 10 heat pump leading brands in China and the top 10 Chinese exporters to more than 60 countries overseas.

Wotech has a perfect process in customer service and pays excellent attention to details. Wotech is specialized in OEM/ODM projects, designing tailored air source heat pump products for various high-end markets. Moreover, in order to satisfy more and more complex and demanding markets, customized solutions for residential and commercial swimming pool heating, house heating/cooling, and hot water combined systems can be made to our partners for intelligent applications.

Wotech, with many years of heat pump export experience, sets up a top international quality control system to achieve the belief of making the best quality heat pumps for global users.

FOSHAN SHUNDE HUAMING RENEWABLE ENERGY&TECHNOLOGY CO.,LTD. (hereinafter referred to as DUHM) is a subsidiary of Wotech, which was founded in 2011.

In 2015, Wotech completed shareholding reform and became the 1st heat pump public company in 2016, with stock code 835751.

In 2019, Wotech laboratory is accredited CNAS (China National Accreditation Service for Conformity Assessment) and awarded as the "Leading Brand of Heat Pump" by the Chinese Heat Pump Association.

In 2022, Wotech is Certified for PED ( The Pressure Equipment Directive, ESRs), which is compulsory certification for heat pumps in EU market.

We leverage renewable energy and cutting-edge intelligent technologies to deliver efficient solutions, working towards a sustainable future for all.