The cooling capacity covers 85RT to 690RT, which can provide strong support for energy saving and consumption reduction of air-conditioning systems in different building fields.
Product Details
High-efficiency semi-hermetic screw compressor
Holtop adopts an internationally renowned brand semi-hermetic twin-screw compressor, a new screw linear design and high-precision processing technology.
It ensure high compression efficiency and stable operation under different working conditions.
It is equipped with a high-precision capacity control valve to adjust the refrigerant volume in real time and efficiently, significantly reducing operating costs.
Full Falling Film Evaporation Technology
Holtop unit adopts a full falling film evaporator design, which effectively reduces the refrigerant charge.
Through the spray falling film technology, the refrigerant forms a liquid film evenly on the surface of the high-efficiency heat exchange tube, realizing film evaporation, significantly improving the evaporator heat exchange efficiency.
Triple Oil return guarantee
The triple oil return technology ensures compressor lubrication, prevents excessive oil from entering the system and affecting heat exchange efficiency, and ensures reliable and efficient operation.
High-precision electronic expansion valve
Holtop’s high-precision electronic expansion valve adopts an advanced balanced flow design to achieve bidirectional flow and excellent sealing performance.
The evaporator liquid supply control is more precise.
New type condenser
Holtop’s condenser utilizes double-sided reinforced high-efficiency condenser tubes and optimizes the tube bundle layout for enhanced flow and heat transfer performance.
A newly designed multi-turbulent subcooler achieves countercurrent subcooling of the refrigerant, maintaining a subcooling temperature above 5°C and significantly improving overall heat exchange efficiency.
Comprehensive security protection
Holtop unit has water temperature anti-freeze protection, water outage protection, high pressure protection, low pressure protection, overcurrent protection, power supply protection, exhaust temperature protection, sensor fault detection, etc., combined with intelligent pre-inspection technology to ensure the safe operation of the unit in a complex operating environment.
Intelligent control
Holtop unit's microcomputer control system has intelligent trend prediction, remote control, self-diagnosis and safety protection functions.
It can adjust the operating status in real time and adopts precise sensing and intelligent control algorithms to achieve stable operation without deviation throughout the entire process.
Energy saving · Intelligent control · High efficiency
Holtop units embody the comprehensive principle of "efficient heat exchange + intelligent control + system synergy."
From real-time operational efficiency to overall life cycle costs, these energy-saving advantages permeate the entire process of equipment usage .
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Industrial Air Handing AHU Water-Cooled Screw Chiller (Heater) Water Unit（Falling Film Type） Images
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