This document provides a comprehensive user manual for the SetPower AJ Series portable refrigerator, covering its operation, maintenance, and safety guidelines. The manual is designed to ensure users can effectively and safely utilize their SetPower refrigerator in various environments.
Function Description
The SetPower AJ Series refrigerator is a versatile cooling appliance designed for both household and mobile applications. Its primary function is to keep food and beverages cool or frozen, offering a temperature range from -18°C to +10°C (0°F to 50°F). This broad range allows it to function as either a refrigerator or a freezer, depending on the user's needs. The appliance utilizes R134a refrigerant within a hermetically sealed system to achieve efficient cooling. It is designed to be portable, making it suitable for use in vehicles, outdoor settings, and various residential or commercial environments where mobile cooling is required. The refrigerator can operate on both DC (12/24V) and AC (110-120V or 100-240V) power sources, with an automatic switch-over mechanism that prioritizes mains power when both are available.
Usage Features
The SetPower AJ Series refrigerator offers several user-friendly features for convenient operation:
- Power On/Off: The unit can be turned on by plugging it into a DC or AC power source and pressing the designated button. The control panel screen will then display the interior temperature.
- Temperature Adjustment: Users can easily adjust the desired temperature using the "+" and "-" buttons. Holding these buttons down will accelerate the temperature adjustment process, allowing for quicker changes to the cooling settings.
- Max & Eco Modes: The refrigerator provides two operational modes:
- MAX Mode: Recommended for initial cooling or when the ambient temperature is high, allowing the unit to reach the desired temperature quickly.
- ECO Mode: Ideal for maintaining temperature in low ambient conditions or when the vehicle engine is switched off, optimizing energy consumption for extended use.
The modes can be toggled by pressing a dedicated button when the unit is turned on.
- Temperature Unit Switch: The display unit can be switched between Celsius (°C) and Fahrenheit (°F). This is done by pressing and holding the power button and the "+" button simultaneously for 3 seconds while the unit is in stand-by mode. After "C/F" flashes, users can select their preferred unit using the "+" or "-" buttons.
- Battery Protection Settings: To prevent over-discharge and depletion of the power source battery, the refrigerator includes adjustable battery protection levels. When the measured DC voltage drops below a pre-set cut-off value, the compressor automatically shuts off. It resumes operation once the voltage rises above the start-up value. There are three protection levels: High, Mid (default), and Low. These settings can be adjusted by pressing and holding the power button and the "-" button simultaneously for 3 seconds while the unit is in stand-by mode, then using the "+" or "-" buttons to select the desired level. Improper settings or a low-power battery can trigger an E1 error, prompting the user to lower the protection level or recharge the battery.
- Handle Installation: The manual provides clear, step-by-step instructions with diagrams for installing the handles, ensuring secure and easy portability of the unit.
- Vehicle Use: When used in a vehicle, the refrigerator connects to a 12V or 24V DC power source. Users are advised to ensure correct polarity and that the supply line is protected by a 15A fuse. The manual also provides a table for selecting appropriate cable lengths and gauges if the supplied power cable is not used, to prevent voltage drop issues. It highlights common 12V power supply issues such as insufficient wiring, old/undersized batteries, or faulty connections, which can affect the refrigerator's performance.
- Home Use: For home use, the refrigerator can be connected to a 110-120V (100-240V) AC power source using an AC adapter. The automatic switch-over feature ensures seamless operation, prioritizing mains power when available.
- Filling Guidelines: To optimize performance, users are advised not to place hot food items directly into the refrigerator. Products should be arranged to prevent collision or breakage during movement, and the lid should be kept well-closed and opened for minimal durations to maintain internal temperature.
Maintenance Features
Proper maintenance is crucial for the longevity and efficient operation of the SetPower AJ Series refrigerator. The manual outlines key maintenance procedures:
- Defrosting: Defrosting is required when the frost layer inside the appliance exceeds 4 mm. To perform this, the refrigerator should be turned off. Users are explicitly warned against using sharp or cutting tools to remove frost or ice, as this can damage the unit. The appliance should be allowed to unfreeze completely before being turned on again.
- Cleaning: Regular cleaning of both the interior and exterior of the refrigerator is recommended. This should be done using warm water and a neutral detergent. After washing, the unit should be rinsed with clean water and thoroughly dried with a soft cloth. The manual specifically advises against using special glass/mirror cleaning products, liquid, powder, or spray detergents, alcohol, ammonia, or abrasive products, as these can damage the surfaces. If the refrigerator is not in use for an extended period, it is suggested to clean it thoroughly and leave the door slightly ajar to allow for ventilation and prevent odors.
- Pre-Maintenance Safety: Before performing any maintenance operation, it is essential to disconnect the power cable from the socket to ensure safety.
- Troubleshooting Guide: The manual includes a "FAULTS" section with a table listing various error codes (E1 to E7) indicated by the number of flashes, along with their corresponding error types. This allows users to diagnose common issues such as battery protection cut-out, fan over-current, motor start errors, minimum motor speed errors, thermal cut-out of the electronic unit, module faults, and thermal head faults. This self-diagnosis capability helps users identify problems before contacting customer service.
- General Safety Messages: The manual emphasizes general safety, including warnings against electrical shock hazards (not immersing the product in water or using it in excessively muddy areas) and fall hazards (not standing on the cooler). It also provides notices to prevent property damage, such as keeping ventilation areas clear of sand/dirt, avoiding prolonged exposure to salt water on boats, not exposing the cooler to extreme heat, and using only recommended cleaning agents and power adapters. Users are advised not to modify the unit, place hot materials inside, or store the cooler at an angle greater than 30° for extended periods to prevent compressor oil contamination. Adequate space (2-4 inches) around the cooler is required for proper ventilation, and the unit must be secured during mobile applications.
The SetPower AJ Series User Manual serves as an essential guide, ensuring safe, efficient, and long-lasting use of the portable refrigerator.
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