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CWZ100 Medium-Low Temperature Screw Chiller Units
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CWZ75 Medium-Low Temperature Screw Chiller Units
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CWZ55 Medium-Low Temperature Screw Chiller Units
1. Product Overview
Refrigeration units serve as the core power source for cold storage temperature control systems. Our range is specifically engineered for commercial and industrial cold chain applications, catering to all requirements from small restaurant cold rooms to large-scale logistics cold chain centres.
We offer a split-system solution comprising a ‘cabinet-type condensing unit + high-efficiency evaporator coil’, alongside a ‘plug-and-play’ integrated solution. All units incorporate top-tier international compressors, paired with intelligent electronic control systems, achieving an optimal balance between **high coefficient of performance (High COP)** and low noise levels.
2. Two Core Product Formats
A. Monoblock Refrigeration UnitIdeal for small cold rooms, space-constrained locations, or scenarios requiring no specialist installation personnel.
Design Philosophy: Integrates the compressor, condenser, evaporator, and control panel within a single compact enclosure.
Advantages:
Zero Installation Barriers: Simply insert into pre-cut openings in cold storage panels. No complex copper piping or wiring required – plug and play.
Space-Saving: Compact structure eliminates the need for additional plant room space.
Aesthetically Pleasing: Eliminates exposed piping for a modern, streamlined appearance.
Installation Methods: Wall-mounted or roof-mounted configurations.
B. Split System / Condensing Unit
Suitable for medium to large cold storage facilities, noise-sensitive environments, or complex outdoor heat dissipation conditions.
Design Concept: The outdoor unit (condensing unit) connects to indoor terminals (air coolers/evaporators) via copper piping.
Advantages:
Noise Isolation: Compressors housed externally ensure exceptionally quiet indoor operating environments.
Superior Heat Dissipation: Outdoor units can be positioned in well-ventilated areas, preventing shutdowns due to inadequate heat dissipation.
Flexible Configuration: Unit coolers with varying throw distances can be flexibly matched to the cold storage facility's length-to-width ratio.
3. Core Configuration and Technical Highlights (Key Features)
Powerful ‘Heart’ (Compressor):
Standard configuration features Copeland scroll compressors or Bitzer semi-hermetic piston compressors.
Value: Operates smoothly with minimal failure rates, delivering over 20% greater energy efficiency than standard compressors.
High-Efficiency Heat Exchange:
Features internally threaded copper tubing paired with hydrophilic aluminium fins (Blue fin/Hydrophilic fin), increasing heat transfer surface area, enhancing corrosion resistance, and accelerating defrost cycles.
Smart Defrost:
No longer reliant on fixed-time ‘simplistic’ defrost cycles. The system intelligently assesses frost thickness based on coil temperature and operating duration, initiating defrost only when required to prevent excessive temperature fluctuations within the storage area.
Multi-Layer Safety Protection:
High/low pressure protection, oil pressure protection, overload protection, and phase failure protection ensure the unit safeguards itself against burnout even under adverse grid conditions.
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