Product Overview
The Cooler Depot SG1.9L3 is a commercial-grade glass 3-door merchandiser display cooler designed for various indoor environments such as restaurants, cafes, bakeries, bars, grocery stores, or garages. This unit is NSF certified, ensuring it meets public health and safety standards.
Constructed with a coated steel metal exterior and door frame, along with an interior aluminum liner and stainless steel floor, this refrigerator offers sturdiness and longevity. It features self-closing double-pane glass doors for easy cleaning and durability in heavy-duty commercial tasks. The unit is equipped with LED lights for clear visibility of contents and includes 4 lockable castor wheels for convenient mobility.
Key Features
- Durable Construction: Coated steel exterior, aluminum interior, stainless steel floor.
- Glass Doors: Three self-closing double-pane glass doors.
- Internal Lighting: Integrated LED lights for enhanced visibility.
- Mobility: Equipped with 4 lockable castor wheels.
- Adjustable Shelving: 12 PVC coated shelves, easy to slide in and out, clean, and maintain.
- Temperature Control: Digital thermostat for precise temperature adjustment from 0 to 5°C (32 to 41°F).
- Efficient Cooling: Bottom-mounted high-quality compressor with environmentally friendly R290a refrigerant.
- Certification: NSF certified for health and safety standards.
Setup and Installation
Unpacking
Carefully unpack the refrigerator. It is recommended to keep the original pallet and packaging materials for at least one month in case a return is necessary for functional failures.
Placement
Position the refrigerator in your desired indoor environment. The unit is equipped with 4 lockable castor wheels, allowing for easy movement and positioning. Ensure adequate clearance around the unit for proper ventilation.
Power Connection
Connect the refrigerator to a standard 110 Volt electrical outlet using the Type B - 3 pin (North American) power plug. Ensure the electrical supply meets the unit's requirements.

Figure 1: Front view of the Cooler Depot SG1.9L3 Commercial Refrigerator, showcasing its three glass doors and bottom-mounted compressor grille.
Operating Instructions
Temperature Control
The refrigerator features a digital thermostat display and knob located on the bottom-front panel. Use these controls to adjust the internal temperature between 0 to 5°C (32 to 41°F). Refer to the detailed instructions in the included manual for specific temperature setting procedures and error code interpretations.
Internal Lighting
The unit is equipped with LED lights to illuminate the interior. An on/off switch for the lights is located on the bottom-front control panel, adjacent to the temperature controls.
Shelving Adjustment
The 12 PVC coated shelves are adjustable to accommodate various product heights. Simply reposition the shelf brackets along the interior rails to achieve the desired configuration.

Figure 2: Close-up of the bottom-front control panel, showing the digital thermostat and power switches for the unit and internal lights.

Figure 3: Interior view of the refrigerator, highlighting the adjustable PVC coated shelves and internal LED lighting strips.
Maintenance
Cleaning
The unit's coated steel exterior, aluminum interior, stainless steel floor, and self-closing glass doors are designed for easy cleaning. Regularly wipe down surfaces with a mild detergent and soft cloth. Ensure no water enters electrical components.
Condenser Coil Maintenance
The bottom-mounted unit features an easily accessible condenser coil. Regular cleaning of the condenser coil is crucial for maintaining optimal performance and energy efficiency. Refer to the full instruction manual for detailed cleaning procedures.

Figure 4: Top interior section of the refrigerator, showing the cooling fans that circulate air for consistent temperature.

Figure 5: Rear view of the refrigerator, with the bottom-mounted compressor unit visible behind a protective grille.
Troubleshooting
The digital thermostat display can show error codes to assist in diagnosing potential issues. For specific error code meanings and troubleshooting steps, consult the comprehensive instruction manual provided with your unit. If problems persist, contact customer support.
Specifications
| Specification | Value |
|---|---|
| Model Number | SG1.9L3 |
| Product Dimensions (D x W x H) | 79"D x 30"W x 81"H |
| Capacity | 53 Cubic Feet |
| Number of Doors | 3 |
| Number of Shelves | 12 |
| Voltage | 110 Volts |
| Refrigerant | R-290 |
| Defrost System | Automatic |
| Cooling Method | Compressor |
| Item Weight | 620 Pounds |
| Annual Energy Consumption | 828 Watts |
| Certification | NSF, UL |

Figure 6: Detailed specifications and rough-in data for the SG1.9L3 model.

Figure 7: Electrical circuit diagram and technical parameters for the SG1.9L3 refrigerator, including refrigerant type and rated current.
Product Video Overview
Video 1: An official product video from Cooler Depot USA, demonstrating the features and dimensions of the 3-door display refrigerator model SG1.9L3.
Warranty and Support
This Cooler Depot product comes with a 3-year parts warranty, a 6-year compressor warranty, and a 1-year labor warranty. For functional failures, a free return option is available within 1 month of purchase. Please retain the original pallet and packaging materials for any potential returns.
For further assistance, troubleshooting, or to explore other products, please visit the official Cooler Depot store: Cooler Depot Store.







