Product details
Friga-Bohn Evaporator | 3C-E 4266 R | Commercial Unit Cooler
Product Description
The 3C-E 4266 R is a professional-grade unit cooler focused on performance and durability.
- 4266: Indicates a powerful dual-fan configuration using 400mm class fans, coupled with an extended coil surface area for higher heat extraction.
- R: Specifies the fin spacing and coil geometry optimized for Medium Temperature applications. This version is designed to provide maximum cooling capacity while maintaining efficient air circulation.
- Non-Defrost Model: Unlike the “+E1U” versions, this base model is typically used in applications where air defrost (off-cycle) is sufficient or where custom defrosting methods are implemented.
In the UAE’s demanding climate, the 3C-E 4266 R is valued for its ability to maintain stable temperatures in large chilled storage rooms (fruit, vegetables, and dairy). Its dual-fan setup ensures that cold air is projected deep into the storage space, eliminating “hot spots” in the corners of the cold room.
Key Features
- Dual High-Efficiency Fans: Features two large-diameter fans that provide a powerful air throw, ensuring uniform temperature distribution in larger rectangular cold rooms.
- Extended Heat Exchange Surface: The coil is constructed with high-quality copper tubes and corrugated aluminum fins, specifically designed to handle high thermal loads efficiently.
- Robust Cubic Construction: The cubic shape allows for maximum internal coil volume while remaining compact enough to minimize the footprint on the cold room ceiling.
- Hygienic Design: Finished with a white polyester-coated galvanized steel casing that is resistant to corrosion and easy to clean, meeting Dubai Municipality’s food safety standards.
- Professional Terminal Box: Designed for easy electrical connection and maintenance, with components protected from moisture and vibration.
Technical Specifications
| Specification | Details |
| Brand | Friga-Bohn (Lennox International) |
| Model | 3C-E 4266 R |
| Type | Cubic Unit Cooler (Evaporator) |
| Number of Fans | 2 x 400 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 (+2°C to +12°C) |
Frequently Asked Questions
- Q: Can this unit be used for frozen products?
- A: This model is optimized for Positive (Chilled) temperatures. For freezing applications, a model with wider fin spacing and a factory-fitted defrost heater (E1U) would be required to prevent ice blockage.
- Q: What is the benefit of the “R” fin spacing?
- A: The “R” configuration provides a balance between a high heat-transfer surface and adequate airflow, making it ideal for rapid cooling of products like fresh produce or dairy.
- Q: Is this model suitable for coastal areas in the UAE?
- A: Yes, the high-quality polyester coating on the galvanized steel body provides excellent protection against the corrosive saline air found in coastal regions like Dubai and Abu Dhabi.


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