DL
tianshun
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◆◆Product Overview
Our cold room indoor unit coolers (evaporator air coolers) are the core heat exchange component for commercial and industrial refrigeration systems. Engineered for uniform air distribution, efficient heat transfer, and stable long-term operation, they deliver precise temperature control for cold rooms, freezing warehouses, and processing facilities.
Industry-Leading Energy Efficiency
Equipped with high-performance EC fan motors and optimized finned heat exchangers, our unit coolers deliver up to 30% higher energy efficiency than standard models. Adaptive cooling output adjusts to real-time load, drastically reducing electricity consumption and long-term operating costs for high-usage facilities.
Smart Adaptive Defrost System
Features optional electric or hot gas defrost, with intelligent activation only when frost buildup is detected. This eliminates unnecessary energy waste, maintains uninterrupted cooling performance, and is perfectly optimized for high-humidity industrial and food processing environments.
Uniform Air Distribution & Low Noise
Aerodynamic design with large-diameter axial fans delivers even airflow over 20+ meters, eliminating hot spots and temperature fluctuations across large cold storage spaces. Optimized airflow structure ensures ultra-quiet operation, suitable for noise-sensitive commercial and industrial scenarios.
Heavy-Duty Durability & Easy Maintenance
Constructed with corrosion-resistant galvanized steel with food-grade epoxy coating, our units withstand harsh, high-humidity, and low-temperature environments. Quick-removable panels and accessible components simplify cleaning and maintenance, extending service life and reducing downtime.
Wide Compatibility & Global Compliance
Fully compatible with mainstream eco-friendly refrigerants (R404A, R507, R134a, R290) compliant with EU & US environmental standards. Supports customized voltage (220V/380V/460V, 50/60Hz) for global markets, with UL, CE, and ISO certifications for seamless market access.
◆◆Key Product Advantages
| Parameter | Standard Specification | Customization Options |
|---|---|---|
| Product Series | DL (Chilled), DD (Medium Temp), DJ (Low Temp/Freezing) | Floor-mounted, ceiling-mounted, ducted types |
| Temperature Range | -40℃ ~ +10℃ | Specialized ranges for pharmaceutical/industrial use |
| Cooling Capacity | 2kW ~ 120kW | Customized for cold room size & application |
| Airflow Volume | 1000m³/h ~ 60000m³/h | Adjustable fan speed & airflow direction |
| Defrost Type | Electric defrost / Hot gas defrost | Water defrost, adaptive intelligent defrost |
| Rated Voltage | 380V 50Hz (Standard) | 220V/460V, 50/60Hz for EU/US markets |
| Housing Material | Galvanized steel with epoxy coating | 304/316 stainless steel (food/pharma grade) |
| Protection Grade | IP54 | IP55/IP66 for harsh industrial environments |
