The A+C – Centrifugal Fan Industrial Air Cooler is a floor mounted or ceiling hung air cooler for industrial refrigeration product cooler applications. Available for every industrial refrigeration system type and in a variety of configurations to match the design criteria. The A+C can be placed directly within the cooler or outside the space with front or top discharge duct arrangements. Centrifugal fans have several inherent benefits including:
Higher Resistance Handling: Centrifugal fans are better equipped to handle systems with high resistance, such as those with long ducts, filters, or tight spaces where air needs to be forced through.
Noise Reduction: Depending on the design and speed control, centrifugal fans can operate at lower noise levels compared to other types of fans, making them suitable for environments where noise is a concern.
Energy Efficiency: Centrifugal fans can be designed for variable speed operation, allowing them to adapt to changing heat load conditions. This improves energy efficiency by matching the fan's output to the required airflow for optimal heat exchange.
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Specification
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A+C - Centrifugal Fan-Coil
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A+L - Axial Fan-Coil
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Static-pressure capability
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1 to 3 IWG (ideal for ducts, filters, air socks)
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≤1.0 IWG suited to free discharge only
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Air distribution
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Ducted air flow, for air distribution
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High-velocity jet of air leaving fans
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Energy use
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50–55 % fan efficiency with belt drive, higher BHP
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60-75 % efficiency at low ΔP; 20–40 % less BHP
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Noise profile
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Lower blade-pass noise, more mechanical noise
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Higher blade tip noise
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Footprint & weight
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Deeper (scroll + plenum) and heavier
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Slim, light
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Capital cost
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~30–50 % higher (wheel, housing, belts)
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Lowest first cost
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Maintenance
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Belts + bearings need regular service and replacement
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Minimal service, easy access
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Pick Centrifugal when:
- Ducts or diffusers demand higher static pressure
- Low sound level requirements
Pick Axial when:
- Discharge directly to space (blast freezers, cold rooms)
- Lowest kW/ton and weight drive decisions
- High face velocity and long throw are desired
Defrost
- Hot Gas
- Air
- Water
- Electric
Access panels
Motor and coil access panels are provided for ease of cleaning and servicing.
Heat Exchanger
Design, materials, fabrication, examination, and testing comply with ASME B31.5.
Housing
- 304 or 316 stainless steel
- G235 galvanized steel
Tubes/Fins
- 304 or 316 stainless steel tubes/aluminum fins
- 304 or 316 stainless steel tubes/epoxy coated aluminum fins
- 304 or 316 stainless steel tubes/anti-microbial (CuNi) fins
- 304 or 316 stainless steel tubes/stainless steel fins
- Aluminum/aluminum fins
- Aluminum/epoxy coated aluminum fins