1. Introduction
Thank you for choosing the Upstreman 4.5 Cu.Ft Mini Fridge with Freezer, Model FR45. This compact and energy-efficient appliance is designed to provide convenient cooling and freezing for various settings, including bedrooms, dorms, offices, and RVs. Please read this manual thoroughly before installation and operation to ensure proper use and maintenance.
Video: Upstreman 4.5 Cu.Ft Compact Fridge - FR45. This video provides a general overview of the Upstreman FR45 mini fridge, showcasing its features and capacity.
2. Safety Information
To reduce the risk of fire, electric shock, or injury when using your refrigerator, follow these basic precautions:
- Read all instructions before using the appliance.
- Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer.
- Do not damage the refrigerant circuit.
- Do not use electrical appliances inside the food storage compartments of the appliance, unless they are of the type recommended by the manufacturer.
- Keep ventilation openings, in the appliance enclosure or in the built-in structure, clear of obstruction.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
3. Package Contents
Your Upstreman FR45 Mini Fridge package includes the following items:
- 1 Upstreman 4.5 Cu.Ft mini fridge with freezer and defrost button
- 3 detachable shelves
- 1 drip tray
- 1 crisper drawer
- 1 egg rack
- 1 ice tray
- 1 ice scoop
- 1 instruction manual
4. Setup
4.1 Placement
Place the refrigerator on a flat, stable surface. Ensure adequate ventilation around the unit. The portable wheels allow for easy movement, and adjustable leveling legs ensure stability on uneven surfaces.

Image: The Upstreman FR45 mini fridge features portable wheels for easy relocation.
Video: How the refrigerator adjusts the balance? This video demonstrates how to use the adjustable leveling legs to stabilize the refrigerator.
4.2 Door Reversal
The reversible door allows you to configure the refrigerator to open from either the left or right, adapting to your room layout. Refer to the video below for detailed instructions on how to reverse the door.

Image: The Upstreman FR45 mini fridge showing its reversible door feature, allowing it to open from either the left or right side.
Video: How to replace the single door. This video guides you through the process of reversing the refrigerator door's hinge side.
4.3 Initial Cleaning & Power Connection
Before first use, clean the interior and exterior of the refrigerator with a soft cloth and mild detergent. Allow it to dry completely. Plug the refrigerator into a dedicated power outlet. Allow the unit to stand upright for at least 2-4 hours before plugging it in to allow the refrigerant to settle.
5. Operating Instructions
5.1 Temperature Control
The mini fridge features an adjustable thermostat with 6 variable settings. Turn the dial to your desired setting. Higher numbers indicate colder temperatures.
- Freezer Temperature: Ranges from 24.8°F (~-4°C) to 42.8°F (~6°C). Note: This freezer compartment is not suitable for storing ice cream.
- Fridge Temperature: Ranges from 35.6°F (~2°C) to 44.6°F (~7°C), ideal for daily produce, dairies, and drinks.

Image: Close-up of the Upstreman FR45 mini fridge's adjustable thermostat with settings from 0 to 6.
5.2 Storage Features
Optimize your storage with the following features:
- Removable Shelves: The 3 detachable shelves allow you to customize the interior space to accommodate items of various sizes.
- Crisper Drawer: A dedicated crisper drawer helps keep fruits and vegetables fresh and juicy while preventing odor transfer.
- Door Shelves & Beverage Holder: Additional shelves on the door and a built-in beverage holder provide quick access to drinks and other small items.

Image: The interior of the Upstreman FR45 mini fridge, showcasing its 4.0 Cu.Ft refrigerator and 0.5 Cu.Ft freezer compartments, along with various food and beverage items.
6. Maintenance
6.1 Cleaning
Regular cleaning helps maintain the efficiency and hygiene of your refrigerator.
- Unplug the appliance before cleaning.
- Clean the interior with a solution of mild detergent and warm water.
- Wipe down exterior surfaces with a soft, damp cloth.
- Ensure the door seal is clean and free of debris to maintain a tight seal.
6.2 Defrosting
This refrigerator features manual defrost. When frost accumulates to a thickness of about 1/4 inch (6mm), it's time to defrost.
- Turn the thermostat to the '0' (OFF) position and unplug the unit.
- Remove all food from the freezer and refrigerator compartments.
- Place the drip tray (included) under the freezer compartment to collect melting ice.
- Leave the door open to allow frost to melt naturally. You can use the included defrost tool to gently scrape away frost, but avoid sharp objects.
- Once defrosted, clean and dry the interior thoroughly.
- Plug the unit back in and reset the thermostat to your desired setting.

Image: The Upstreman FR45 mini fridge highlighting its defrost button for manual defrosting.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Refrigerator does not operate | Not plugged in; Circuit breaker tripped; Thermostat set to '0' (OFF) | Ensure plug is secure; Reset circuit breaker; Adjust thermostat to a higher setting |
| Temperature is too warm | Door opened too frequently; Large amount of warm food added; Poor ventilation; Thermostat set too low | Minimize door openings; Allow food to cool before placing in fridge; Ensure proper clearance around unit; Adjust thermostat to a colder setting |
| Excessive frost buildup | Door not closed properly; High humidity; Frequent door openings | Check door seal and ensure it closes tightly; Defrost the unit as per instructions; Minimize door openings |
| Unusual noises | Unit not level; Objects vibrating against the unit; Normal operating sounds | Adjust leveling legs; Ensure nothing is touching the back or sides; Gurgling/hissing sounds are normal refrigerant flow |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Upstreman |
| Model Number | FR45 |
| Capacity | 4.5 Cubic Feet (4.0 Cu.Ft Refrigerator, 0.5 Cu.Ft Freezer) |
| Dimensions (W x D x H) | 20.59" x 20.86" x 32.48" |
| Item Weight | 56.7 pounds |
| Color | Classic Black |
| Voltage | 115 Volts |
| Defrost System | Manual |
| Noise Level | 38 dB |
| Energy Consumption | 0.6 kWh per day |
| Certification | Energy Star |
| Special Features | Adjustable Shelves, Adjustable Thermostat, Energy-efficient LED Interior Light, Portable Wheels, Reversible Door |
9. Warranty and Support
Upstreman provides worry-free customer service for your product. If you encounter any problems with the product or have questions during usage, please contact our 24-hour online customer service team. They are always available to help you.
For further assistance, please visit the Upstreman Store on Amazon.