Product details
Friga-Bohn Evaporator | 3C-E 4263 R | High-Efficiency Dual-Fan Unit Cooler
Product Description
The 3C-E 4263 R is engineered for environments where air must be moved across a large area with precision and power.
- 4263: Indicates a dual-fan configuration (2 fans) with large 450 mm motors. The “63” represents the specific coil capacity class, offering a high-performance heat exchange surface for larger room volumes.
- R: Specifies the fin spacing optimized for Medium Temperature This spacing is designed to provide high thermal efficiency while allowing for better air circulation in chilled storage environments ($+2^{\circ}C$ to $+12^{\circ}C$).
In the Middle East, the 3C-E 4263 R is ideal for supermarket storage centers, large restaurant walk-ins, and fruit/vegetable distribution hubs. The 450 mm fan diameter ensures that cold air is projected deep into the storage space, ensuring that products at the back of the room stay as fresh as those at the front.
Key Features
- Extended Air Throw: The dual 450 mm fan system provides a high-velocity airflow that can reach much further than standard commercial coolers, ideal for deep storage rooms.
- High-Duty Coil Design: Built with high-grade copper tubes and corrugated aluminum fins, maximizing heat transfer efficiency and reducing cooling times.
- Durable Coastal Construction: The galvanized steel casing is protected by a white polyester powder coating, ensuring it can withstand the high humidity and salty air of Dubai and coastal UAE regions.
- Sanitary & Easy Access: Designed with large removable side panels and a high-capacity drain pan, allowing for easy cleaning to meet strict food safety standards.
- Multi-Refrigerant Ready: Optimized for use with modern low-GWP refrigerants (R448A, R449A) as well as traditional refrigerants like R134a and R404A.
Technical Specifications
| Specification | Details |
| Brand | Friga-Bohn (Lennox International) |
| Model | 3C-E 4263 R |
| Type | Cubic Unit Cooler (Evaporator) |
| 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 ($-5^{\circ}C$ to $+15^{\circ}C$) |
Frequently Asked Questions
- Q: Does this model come with an electric defrost heater?
- A: This standard “R” model is usually designed for air defrost. If you are operating at temperatures close to $0^{\circ}C$ or below, you should request the +E1U version which includes the factory-fitted electric defrost kit.
- Q: What is the benefit of the 450 mm fan over the 300 mm fan?
- A: The 450 mm fan moves more air at a higher velocity, resulting in a longer air throw (distance), which is necessary for large industrial or commercial rooms.
- Q: Is it resistant to rust?
- A: Yes, the polyester powder coating on the galvanized steel body provides excellent protection against corrosion in the UAE’s humid climate.

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