1. Introduction
This instruction manual provides detailed information on the safe and efficient operation, setup, maintenance, and troubleshooting of your Alpicool CHS55 Dual Temperature Control Portable Car Refrigerator. Designed for versatility, this 42-quart unit functions as both a refrigerator and a freezer, making it ideal for use in trucks, RVs, boats, camping, and travel.

Figure 1.1: The Alpicool CHS55 portable car refrigerator, showcasing its compact design and dual-lid access.
2. Safety Information
Please read all safety warnings and instructions carefully before using the appliance to prevent injury or damage. Keep this manual for future reference.
- Power Supply: Ensure the power supply voltage matches the specifications of the appliance (DC 12V/24V or AC 100-240V).
- Ventilation: Maintain adequate ventilation around the appliance. Do not block air vents.
- Flammable Materials: Do not store explosive substances or flammable materials inside the appliance.
- Water Exposure: Do not expose the appliance to rain or immerse it in water.
- Cleaning: Disconnect power before cleaning. Use a damp cloth; avoid abrasive cleaners.
- Children: Supervise children to ensure they do not play with the appliance.
- Repairs: Do not attempt to repair the appliance yourself. Contact qualified service personnel for repairs.
3. Product Overview and Components
Familiarize yourself with the main parts and features of your Alpicool CHS55 refrigerator.

Figure 3.1: Exterior dimensions and interior volume representation of the CHS55 model, indicating its 42-quart capacity.

Figure 3.2: Detailed view of the touchable control panel and key components such as the door latch, handle, vent cover, drain plug, and foot pads.
Key Components:
| Component | Description |
|---|---|
| Control Panel | Digital display for temperature, settings, and power control. |
| Dual Compartments | Two separate sections for independent temperature control (refrigerator/freezer). |
| Handles | For easy portability. |
| Vent Cover | Protects the compressor and ensures proper airflow. |
| Drain Plug | For convenient water drainage during cleaning or defrosting. |
| Foot Pads | Provides stability and protects surfaces. |
4. Setup
Follow these steps for the initial setup of your portable refrigerator.
- Unpacking: Carefully remove the refrigerator from its packaging. Retain packaging materials for future transport or storage.
- Placement: Place the refrigerator on a flat, stable surface. Ensure there is sufficient space (at least 10 cm or 4 inches) around all sides for proper ventilation. Avoid direct sunlight or heat sources.
- Initial Cleaning: Before first use, wipe the interior and exterior with a damp cloth and mild detergent. Dry thoroughly.
- Power Connection: Connect the appropriate power cord (DC 12V/24V or AC 100-240V) to the refrigerator's power input and then to the power source.

Figure 4.1: The Alpicool CHS55 supports multiple charging options, including 12V DC for car use, 24V DC for outdoor use, and 100-240V AC for indoor use, offering versatile power connectivity.
5. Operating Instructions
5.1 Powering On/Off
Press the power button on the control panel to turn the unit on or off. The digital display will illuminate when the unit is powered on.
5.2 Temperature Control
The Alpicool CHS55 features dual temperature zones, allowing you to set different temperatures for each compartment. Use the '+' and '-' buttons on the control panel to adjust the desired temperature for each zone. The temperature range is from -4°F (-20°C) to 68°F (20°C).

Figure 5.1: The CHS55 can function as a freezer (down to -4°F) for items like ice cubes, ice cream, meat, and seafood, or as a refrigerator (up to 68°F) for beer, fruits, and vegetables.
5.3 MAX and ECO Modes
The unit offers two cooling modes: MAX and ECO. Press the 'SET' button to toggle between these modes.
- MAX Mode: Provides rapid cooling for quick temperature reduction. This mode consumes more power.
- ECO Mode: An energy-saving mode that optimizes power consumption while maintaining the set temperature. Ideal for prolonged use.

Figure 5.2: The CHS55 features dual compartments with individual temperature control and supports both MAX (fast cooling) and ECO (energy-saving) modes.
5.4 Car Battery Protection
The refrigerator includes a 3-level battery protection system (Low, Medium, High) to prevent your vehicle's battery from draining. Select the appropriate level based on your vehicle's battery condition and usage.

Figure 5.3: The 3-level battery protection mode aims to protect your car battery from running out when its voltage is low.
| Mode | DC 12V | DC 24V | ||
|---|---|---|---|---|
| Cut Out | Cut In | Cut Out | Cut In | |
| Low Mode | 8.5V | 10.9V | 21.3V | 22.7V |
| Medium Mode | 10.1V | 11.1V | 22.3V | 23.7V |
| High Mode | 11.1V | 12.4V | 24.3V | 25.7V |
Note: This car fridge does not contain batteries and needs to be connected to a power source for use.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Alpicool CHS55 refrigerator.
- Cleaning: Disconnect power before cleaning. Use a soft cloth dampened with water and a mild, non-abrasive detergent to clean the interior and exterior. Avoid harsh chemicals or abrasive materials.
- Defrosting: If ice builds up, turn off the unit and allow the ice to melt naturally. Use the drain plug to remove melted water. Do not use sharp objects to remove ice.
- Ventilation: Periodically check and clean the ventilation openings to ensure they are free from dust and debris.
- Storage: When not in use for extended periods, ensure the unit is clean and dry. Store it in a cool, dry place with the lid slightly ajar to prevent odors and mold growth.
7. Troubleshooting
Refer to the table below for common issues and their solutions. If the problem persists, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit not powering on | No power supply; loose connection; blown fuse. | Check power cord connection; verify power source; check vehicle's fuse. |
| Insufficient cooling | Vents blocked; ambient temperature too high; door not sealed properly; too much content. | Clear vents; move to cooler area; ensure lid is closed tightly; do not overfill. |
| Display error code | Internal fault. | Refer to specific error code in a more detailed manual (if available) or contact support. |
| Excessive noise | Unit not level; fan obstruction. | Place on a level surface; check for obstructions around the fan. |
| Battery protection activating too soon | Battery protection setting too high for current battery condition. | Adjust battery protection mode to a lower setting (Low or Medium). |
8. Technical Specifications
Detailed specifications for the Alpicool CHS55 portable refrigerator.
| Specification | Value |
|---|---|
| Brand | Alpicool |
| Model Number | CHS55 |
| Capacity | 42 Quarts (approx. 39.7 Liters) |
| Product Dimensions (D x W x H) | 14.53 x 25.3 x 19.49 inches |
| Item Weight | 31.7 pounds |
| Voltage | DC 12V/24V, AC 100-240V |
| Temperature Range | -4°F to 68°F (-20°C to 20°C) |
| Defrost System | Automatic |
| Material Type | Metal |
| Number of Doors | 2 (Dual Compartments) |
| Special Feature | Compact, Dual Temperature Control, Battery Protection |
9. Warranty and Customer Support
Alpicool products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your purchase or visit the official Alpicool website. If you encounter any issues or require assistance, please contact Alpicool customer support through their official channels. When contacting support, please have your product model number (CHS55) and purchase information ready.