Kelvion VNS Cubic Air Cooler
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The Kelvion VNS is a high-performance cubic air cooler (evaporator) specifically engineered for agricultural refrigeration applications, including fruit and vegetable storage. It combines an application-specific refrigerant circuit, blow-through airflow, and optimized air velocity to preserve product freshness while maximizing cold room space.
Key Features
1. Designed for Agricultural Storage
The VNS is specially developed for storing:
Fruits
Vegetables
Fresh produce
Agricultural products
Its airflow characteristics help maintain product quality while reducing dehydration during storage.
2. High-Performance Circuit Design
The refrigerant circuit is optimized for each application, providing:
Higher cooling capacity
Better heat transfer
Improved refrigeration efficiency
Reliable temperature control
3. Blow-Through Airflow
Unlike the VRS (which offers both blow-through and draw-through options), the VNS uses blow-through airflow.
Benefits
Uniform airflow distribution
Reduced air velocity through the coil
Improved product protection
Consistent room temperatures
4. Optimized for Produce Storage
The VNS is designed with:
Higher specific cooling performance
Reduced fan speed
Lower air velocity
These characteristics help minimize moisture loss and preserve the freshness of fruits and vegetables during long-term storage.
5. Maximum Cold Room Space Utilization
Its compact cubic design provides:
More usable storage volume
Efficient installation
Flexible room layout
Improved airflow circulation
6. Easy Maintenance
Maintenance-friendly features include:
Hinged drip tray
Easily removable cover plates
Accessible internal components
Simplified cleaning procedures
Technical Highlights
Cooling Capacity
9–66 kW
Heat Exchanger
Copper tubes
Aluminium fins
15 mm aligned tube system
50 × 50 mm tube spacing
7 mm fin spacing
Plain internal tubes
Fan System
Available with:
AC fan technology
EC fan technology
60 Hz option
Fan Diameters
350 mm
400 mm
450 mm
500 mm
Number of Fans
3–8 fans
Defrost Options
The VNS can be configured with:
Electric defrost
Hot gas defrost
Water defrost
Secondary circuit defrost
This allows the evaporator to operate efficiently across a range of refrigerated storage applications.
Working Principle
Warm air from the storage room enters the evaporator.
Refrigerant inside the coil absorbs heat.
Blow-through fans distribute cooled air evenly throughout the room.
Continuous circulation maintains stable temperature and humidity conditions.
Result: Gentle, efficient cooling that helps preserve fresh produce quality.