Holtop AHU Falling Film Type Water-Cooled Screw Chiller (Heater) Water Unit

The cooling capacity covers 85RT to 690RT, providing strong support for energy saving and consumption reduction of air-conditioning systems in various building applications.

Holtop utilizes internationally renowned brand semi-hermetic twin-screw compressors featuring:

• New screw linear design and high-precision processing technology
• High compression efficiency and stable operation under all conditions
• High-precision capacity control valve for real-time refrigerant adjustment
• Significantly reduced operating costs

Through spray falling film technology, the refrigerant forms an even liquid film on high-efficiency heat exchange tubes, achieving:

• Film evaporation for superior heat transfer
• Significantly improved evaporator heat exchange efficiency

Advanced triple oil return technology ensures:

• Reliable compressor lubrication
• Prevention of excessive oil entering the system
• Maintained heat exchange efficiency
• Reliable and efficient operation

Holtop's advanced balanced flow design features:

• Bidirectional flow capability
• Excellent sealing performance
• Precise evaporator liquid supply control

Holtop's innovative condenser design includes:

• Double-sided reinforced high-efficiency condenser tubes
• Optimized tube bundle layout for enhanced flow
• Multi-turbulent subcooler for countercurrent subcooling
• Subcooling temperature maintained above 5°C
• Significantly improved overall heat exchange efficiency

Holtop units feature multiple protection systems:

• Water temperature anti-freeze protection
• Water outage protection
• High/low pressure protection
• Overcurrent protection
• Power supply protection
• Exhaust temperature protection
• Sensor fault detection
• Intelligent pre-inspection technology

The microcomputer control system provides:

• Intelligent trend prediction
• Remote control capability
• Self-diagnosis functions
• Real-time operating status adjustment
• Precise sensing and intelligent control algorithms
• Stable, deviation-free operation