Screw Chiller

Single-stage parallel connection (80-600 HP)

Evaporation temperature of 5°C to -45°C

Applicable to various refrigerants R404A, R507, R407C, R22

Performance Characteristics

• We source internationally renowned compressors and parts, which are combined into our systems using the latest design principles. This ensures our customers receive a safe and reliable system, manufactured to the highest standards.
• Each unit is equipped with a full set of safety protection modules, including a phase loss protector, reverse phase sequence, overvoltage, undervoltage, oil pressure, high voltage, low voltage, motor overload, and control, which effectively avoid frequent start-and-stop operations.
• Our high-efficiency oil separation system eliminates the need for lubricating oil after machine start up. It also features a standard oil temperature heater (for screw machines), an oil temperature controller (for screw machines), and an oil level switch (for screw machines) for worry-free operation.
• Each unit comes equipped with PLC as standard, allowing it to automatically adjust the number of compressors in operation based on cooling demands. It helps balance the operating time of individual compressor while saving power loss. Furthermore, the unit’s enhanced efficiency extends its lifespan by over 30% compared to a individual unit.
• The innovative low ambient condensation pressure constant adjustment system effectively eliminates the issue of insufficient liquid supply or oil flow alarm caused by low ambient temperatures, ensuring the stability of the system.
• The high-efficiency gas-liquid separation device and a unique pipeline design minimize the possibility of compressor liquid hammer.
• The liquid reservoirs with standard safety relief valves

Energy-efficient

• As cooling demand fluctuates greatly throughout the year, the unit capacity is highly controllable to ensure efficient operation in response to load changes.
• Multiple heads operate in parallel to provide a range of energy regulation settings, while the dynamic cooling output adapts to the actual load smoothly and effectively.
• The high-efficiency oil separator allows only a small amount of lubricating oil into the system, thereby improving the efficiency of the heat exchanger.
• The PLC Controller monitors the return air pressure and adjusts the number of startup units in real time to maintain optimal efficiency even when the system is operating under partial load.
• The PLC controller can optimize grid power output to reduce end-user electricity consumption.

Control Features

• The “modular” installation concept reduces on-site construction risks, shortens construction period, improves product quality and controllability.
• Compact structure and less installation space offer end users a larger commercial space and also create added value.
• The PLC safety automatic control is equipped with touchscreen multi-language menu, graphical control interface, and intuitive display functions for operating status, data recording, parameter setting, fault alarms and other functions.
• Provide remote communication interface to facilitate customers’ remote monitoring.
• Equipped with a print output port to print the machine group and system operation history