Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Celfrost FKG-400 400Ltr Visi Cooler. Please read these instructions carefully before using the appliance and retain them for future reference.
The Celfrost FKG-400 is a commercial refrigerator designed to cool and display products, maintaining a temperature range suitable for beverages, juices, milk, and other edibles. This unit features a single door and a capacity of 400 liters.
Safety Instructions
- Ensure the appliance is placed on a stable, level surface to prevent tipping.
- Maintain adequate ventilation around the unit. Do not block air vents.
- Do not store explosive substances such as aerosol cans with a flammable propellant in this appliance.
- Unplug the appliance before cleaning or performing any maintenance.
- Keep the power cord away from heat sources and sharp edges.
- This appliance is intended for commercial use only.
Setup and Installation
The Celfrost FKG-400 Visi Cooler comes ready to use and does not require complex installation procedures. Follow these steps for initial setup:
- Unpacking: Carefully remove all packaging materials. Inspect the cooler for any shipping damage. Report any damage to your supplier immediately.
- Placement: Position the cooler on a firm, level surface capable of supporting its weight when fully loaded. Ensure there is at least 10 cm (4 inches) of space around the back and sides for proper air circulation. Avoid direct sunlight or proximity to heat-generating appliances.
- Leveling: Use the adjustable feet or wheels (if applicable) to ensure the unit is perfectly level. This is crucial for proper door sealing and efficient operation.
- Initial Cleaning: Before first use, clean the interior and exterior of the cooler with a mild detergent and warm water. Rinse thoroughly and dry completely.
- Power Connection: Connect the cooler to a dedicated power outlet that matches the voltage and frequency specifications of the unit. Do not use extension cords.
- Initial Cooling: After plugging in, allow the cooler to operate empty for at least 2-4 hours to reach its stable operating temperature before loading products.

Figure 1: Front view of the Celfrost FKG-400 Visi Cooler with the door open, displaying the four adjustable shelves and vertical LED lighting.

Figure 2: Side view of the Celfrost FKG-400 Visi Cooler, highlighting its sleek and compact design suitable for various commercial settings.
Operating Instructions
- Temperature Control: The cooler is designed to maintain a temperature range of +2°C to +8°C. The temperature control dial or digital panel (if equipped) is usually located inside the cooler or at the bottom front. Adjust it to your desired setting. Allow several hours for the temperature to stabilize after adjustment.
- Loading Products: Arrange products to allow for proper air circulation. Do not block the internal air vents. Overloading the cooler can hinder cooling efficiency.
- Door Usage: Keep the door closed as much as possible to maintain internal temperature and conserve energy. Ensure the door seals properly after each opening. The unit is equipped with a lock for security.
- Internal Lighting: The cooler features two vertical LED lights to illuminate the contents. These lights typically operate automatically when the door is opened or can be controlled by a switch.
Maintenance
Regular maintenance ensures optimal performance and longevity of your visi cooler.
- Cleaning Interior: Clean the interior regularly with a mild, non-abrasive detergent and warm water. Wipe dry with a soft cloth. Remove shelves for thorough cleaning.
- Cleaning Exterior: Wipe the exterior surfaces with a damp cloth. For stubborn stains, use a mild cleaner. Avoid abrasive cleaners or solvents.
- Condenser Coil Cleaning: The condenser coils, usually located at the back or bottom of the unit, should be cleaned periodically (every 3-6 months) to remove dust and debris. Use a brush or vacuum cleaner. Always unplug the unit before cleaning the condenser coils.
- Door Seal Inspection: Regularly check the door gasket for cracks or damage. A damaged gasket can lead to poor cooling and increased energy consumption. Clean the gasket with warm water and mild soap.
- Defrosting: This unit typically features an automatic defrost system. However, if excessive ice buildup occurs, manually defrost the unit by unplugging it and leaving the door open until all ice melts. Collect water in a tray and dry the interior thoroughly before restarting.
Troubleshooting
Before contacting service, please check the following common issues:
| Problem | Possible Cause | Solution |
|---|---|---|
| Cooler not operating | No power supply; Power cord unplugged; Circuit breaker tripped. | Check power connection; Plug in securely; Reset circuit breaker. |
| Insufficient cooling | Door not closed properly; Door gasket damaged; Overloaded with products; Poor ventilation; Temperature setting too high; Dirty condenser coils. | Ensure door is sealed; Inspect/replace gasket; Reduce product load; Ensure adequate space around unit; Adjust temperature; Clean condenser coils. |
| Excessive noise | Unit not level; Loose parts; Fan obstruction. | Level the unit; Check for loose components; Clear any obstructions from fan. |
| Internal light not working | Light switch off; LED bulb failure. | Check light switch; Contact service for LED replacement. |
If the problem persists after checking these points, please contact Celfrost customer service or a qualified technician.
Specifications
| Feature | Detail |
|---|---|
| Brand | Celfrost |
| Model Number | FKG-400 |
| Capacity | 400 Liters |
| Input Power | 306 W |
| Temperature Range | +2°C to +8°C |
| Number of Shelves | 4 |
| Lock | Yes |
| Wheels | Yes |
| Internal LED Lighting | 2 Vertical |
| Inner Liner Material | ABS |
| Cooling Type | Compressor |
| Product Dimensions (LxWxH) | 64 x 56 x 191 Centimeters |
| Voltage | 306 Volts (Please verify with local electrical standards) |
| Included Components | FKG-430 (Main Unit) |
Warranty and Support
This product comes with a warranty policy. For detailed information regarding warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact Celfrost customer service.
For technical assistance, spare parts, or service inquiries, please contact your authorized Celfrost dealer or the manufacturer directly. Ensure you have your model number (FKG-400) and purchase details available when contacting support.