Air-cooled Vertical Four-door Refrigerator Freezer (-22 ~-18°C)
Highlights
- Large 940L usable freezer capacity for high-volume storage
- Stable freezing temperature: -22°C to -18°C
- Intelligent forced-air circulation cooling system
- R290 eco-friendly refrigerant with ultra-low GWP value (3)
- Precise temperature control with minimal fluctuation
- High-density 60mm cyclopentane insulation for energy efficiency
- Automatic electric defrost system with self-evaporating condensate
- Food-grade stainless steel interior for hygiene and durability
- Anti-corrosion evaporator extends operational lifespan
- Removable front filter for easy maintenance
- Optional LED lighting and door lock
- Optional AISI 304 stainless steel upgrade
- Optional RS485 ModBus communication for remote monitoring
Product Description
The Realmann YHA-4F Air-Cooled Vertical Four-Door Freezer is a high-capacity commercial freezing solution designed for professional kitchens, hotels, restaurants, bakeries, supermarkets, and food processing facilities. With a large 940L usable freezer capacity and a stable temperature range of -22°C to -18°C, it delivers reliable frozen storage for ingredients, prepared foods, meat, seafood, and frozen products.
Built with an intelligent forced-air circulation system, the YHA-4F ensures uniform cooling and accurate temperature distribution throughout the cabinet, minimizing temperature fluctuations and maintaining food quality. Powered by environmentally friendly R290 refrigerant technology and high-efficiency insulation, it combines excellent refrigeration performance with reduced energy consumption.
Featuring food-grade stainless steel construction, automatic electric defrost technology, and easy-maintenance components, the Realmann YHA-4F is engineered for continuous heavy-duty commercial use.
Highlights
- Large 940L usable freezer capacity for high-volume storage
- Stable freezing temperature: -22°C to -18°C
- Intelligent forced-air circulation cooling system
- R290 eco-friendly refrigerant with ultra-low GWP value (3)
- Precise temperature control with minimal fluctuation
- High-density 60mm cyclopentane insulation for energy efficiency
- Automatic electric defrost system with self-evaporating condensate
- Food-grade stainless steel interior for hygiene and durability
- Anti-corrosion evaporator extends operational lifespan
- Removable front filter for easy maintenance
- Optional LED lighting and door lock
- Optional AISI 304 stainless steel upgrade
- Optional RS485 ModBus communication for remote monitoring
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | YHA-4F |
| Product Type | Air-Cooled Vertical Four-Door Freezer |
| Temperature Range | -22°C ~ -18°C |
| Temperature Zone | Single Zone Freezer |
| Net Capacity | 940L |
| Gross Capacity | 1040L |
| Usable Capacity | 940L |
| Cooling System | Forced Air Circulation |
| Refrigeration Unit | Self-contained |
| Refrigeration Capacity | 500W |
| Refrigerant | R290 |
| Refrigerant Charge | 150g |
| GWP | 3 |
| Insulation | Cyclopentane, 60mm Thickness |
| Defrost System | Electric Defrost, Microprocessor Controlled |
| Exterior Material | SUS201 Stainless Steel + Galvanized Sheet (Back & Bottom) |
| Interior Material | SUS201 Stainless Steel |
| Shelves | 6 pcs |
| Shelf Size | 550 × 580 mm |
| Shelf Type | Plastic-coated Food-grade Shelves |
| Casters | H128 mm (Optional Adjustable Feet: H100~120 mm) |
| Power Supply | 220–240V AC / 50–60Hz |
| Rated Power | 650W |
| Rated Current | 2.31A |
| External Dimensions | 1230 × 800 × 1980 mm |
| Internal Dimensions | 1110 × 660 × 1420 mm |
| Door Swing Space | 1230 × 1329 × 1980 mm |
| Package Dimensions | 1260 × 830 × 2040 mm |
| Net Weight | 135kg |
| Gross Weight | 160kg |
| Climate Class | 4 |
| Operating Ambient Temperature | 5°C ~ 43°C |
| Test Standard | ISO 22041 |
| Optional Features | Door Lock, LED Lighting, AISI304, RS485 ModBus |
Applications
Hotels & Commercial Kitchens
Ideal for centralized food storage, frozen ingredients, and large-scale meal preparation.
Restaurants & Catering Businesses
Stores frozen meat, seafood, vegetables, and prepared foods while maintaining product freshness.
Bakeries & Food Production Facilities
Suitable for frozen dough, pastry ingredients, desserts, and processed foods.
Supermarkets & Convenience Stores
Provides reliable storage for packaged frozen foods and bulk inventory.
Food Processing Plants
Designed for stable frozen storage during food preparation and production processes.
Schools, Hospitals & Institutional Kitchens
Supports large-volume frozen food storage requirements.
Frequently Asked Questions (FAQ)
1. What cooling technology does the YHA-4F use?
The YHA-4F uses a forced-air circulation cooling system that distributes cold air evenly throughout the cabinet, ensuring stable temperatures and reducing frost buildup.
2. Why choose R290 refrigerant?
R290 is an environmentally friendly refrigerant with a Global Warming Potential (GWP) of only 3. It provides high cooling efficiency while reducing environmental impact.
3. Does the freezer require manual defrosting?
No. The unit includes a microprocessor-controlled automatic electric defrost system with condensate self-evaporation technology.
4. Can this freezer operate in hot environments?
Yes. The YHA-4F is designed for ambient operating temperatures from 5°C to 43°C and complies with Climate Class 4 standards.
5. Is stainless steel SUS304 available?
Yes. AISI 304 stainless steel can be selected as an optional upgrade for applications requiring higher corrosion resistance.
6. Can the freezer connect to building management systems?
Yes. The optional RTU RS485 communication port with ModBus protocol allows remote monitoring and system integration.
7. Is this suitable for heavy-duty commercial use?
Yes. The YHA-4F is specifically designed for continuous operation in demanding commercial environments such as hotels, restaurants, and food processing facilities.

Air-cooled Vertical Four-door Refrigerator Freezer (-22 ~ -18°C)





