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During low-temperature cooling in winter, the opening of the stabilising valve at the compressor discharge port is adjusted automatically to keep the discharge pressure within the required range. This improves operating efficiency and maintains the necessary oil supply differential pressure.

Adopting the refrigerant circuit technology for evaporative condensing chillers, the unit effectively resolves reliability issues for winter cooling. No adjustment of cooling water temperature or flow rate is required by the customer.

It is fitted with semi‑hermetic screw compressors featuring a double-shell construction. Anti-vibration pads are supplied as standard on the base for stable, reliable operation with low noise levels.

The ventilation system incorporates aluminium alloy axial fans for the cooling tower. With forward-curved blade design and streamlined inlet cowls, the fans deliver low air resistance, high air volume, low noise and excellent performance.