Product details
Friga-Bohn Evaporator | 3C-E 4263 R + E1U | Commercial Unit Cooler
Product Description
The 3C-E 4263 R is built for heavy-duty cooling where high airflow and rapid heat exchange are paramount.
- 4263: Indicates a dual-fan configuration using large 450mm motors. The “63” designates the coil depth and surface area, providing significant cooling capacity for larger room volumes.
- R: Specifies the fin spacing optimized for Medium Temperature This spacing provides the ideal balance between cooling efficiency and the ability to operate longer between defrost cycles.
- E1U: Indicates the factory-fitted Electric Defrost This includes high-quality stainless steel heaters in the coil and drain pan, ensuring the unit remains ice-free even in high-humidity environments.
In the Middle East, the 3C-E 4263 R + E1U is a trusted choice for large supermarket warehouses, central kitchens, and food processing zones. Its 450mm fans ensure that cold air is projected deep into the room, maintaining a uniform temperature even when the storage area is heavily loaded with products.
Key Features
- Powerful 450mm Dual-Fan System: Provides a high-velocity air throw, ensuring that chilled air reaches every corner of large refrigerated spaces.
- Integrated Electric Defrost (E1U): Specifically designed to handle the frost load in UAE’s humid climate, allowing for stable operation at temperatures near or below freezing.
- High-Efficiency Coil Design: Uses internally grooved copper tubes and corrugated aluminum fins to deliver maximum cooling kilowatts per watt of energy consumed.
- Robust Coastal Protection: The galvanized steel body is finished with a white polyester powder coating, protecting against corrosion from the salt-laden air in Dubai and Abu Dhabi.
- Technician-Friendly Access: Features large removable side panels and a hinged drain pan for easy cleaning and maintenance of the internal components.
Technical Specifications
| Specification | Details |
| Brand | Friga-Bohn (Lennox International) |
| Model | 3C-E 4263 R + E1U |
| Type | Cubic Unit Cooler (Evaporator) |
| Defrost Type | Electric Defrost (E1U) |
| Number of Fans | 2 x 450 mm |
| Fin Spacing | 4.0 mm / 6.0 mm (R Series Optimized) |
| Casing Material | White Polyester Coated Galvanized Steel |
| Refrigerant Compatibility | R404A, R448A, R449A, R134a, R452A |
| Application | Medium Temperature Storage (-5°C to +10°C) |
Frequently Asked Questions
- Q: What makes the 4000 series different from the 3000 series?
- A: The 4000 series (like the 4263) uses larger 450mm fans, which offer significantly higher airflow and a longer air throw compared to the 300mm fans found in the 3000 series.
- Q: Is this unit suitable for high-humidity areas?
- A: Yes, the combination of the polyester-coated casing and the E1U electric defrost system makes it highly resilient in humid environments.
- Q: Can it be used for frozen food storage?
- A: While it has electric defrost, the “R” fin spacing is primarily optimized for medium temperatures. For deep-freeze (-18°C or lower), the “L” series with wider fin spacing is generally preferred.


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