Introduction
Thank you for choosing the PRIME 12,000 BTU Ductless Air Conditioner and Heat Pump Mini Split system. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your new unit. Please read this manual thoroughly before installation and use, and keep it for future reference.
This versatile system offers 5 modes for your comfort: Auto, Cool, Dry, Heat, and Fan. It is designed for ease of control with the included backlit LCD remote controller, ensuring optimal climate control in your space. The PRIME mini split system is engineered for energy efficiency, contributing to significant energy savings over time.
Safety Information
To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instructions may cause harm or damage.
- Professional Installation: Installation must be performed by qualified personnel in accordance with all applicable local and national codes.
- Electrical Safety: Ensure the power supply matches the unit's requirements (110/120V). Do not operate with a damaged power cord or plug. Always disconnect power before servicing.
- Refrigerant: This unit uses R410A refrigerant. Only qualified technicians should handle refrigerant.
- Clearance: Maintain adequate clearance around both indoor and outdoor units for proper airflow and maintenance.
- Children and Pets: Keep children and pets away from the unit during operation and maintenance. Do not allow them to play with the unit or remote control.
- Flammable Materials: Do not place flammable materials or spray aerosols near the unit.
- Water Exposure: Do not expose the indoor unit to water. Do not wash the unit with water.
Product Components
Your PRIME Mini Split system is shipped in two separate packages and includes the following main components:
- Indoor Unit
- Outdoor Unit
- Full installation accessory kit with quick connector
- Backlit LCD Remote Controller
- User Manual (this document)

Image: The indoor unit (top) and outdoor unit (bottom) of the PRIME mini split air conditioner system. The indoor unit is a sleek white rectangular shape, and the outdoor unit features a protective grille over its fan and a PRIME logo.
Setup and Installation
Installation of a ductless mini split system requires specialized tools and knowledge. It is highly recommended that installation be performed by a certified HVAC professional to ensure proper operation, safety, and warranty validity.
Unpacking
Carefully unpack both the indoor and outdoor units. Inspect all components for any shipping damage. Report any damage to your supplier immediately. Keep all packaging materials until the unit is fully installed and tested.

Image: Several PRIME mini split air conditioner units in their original cardboard packaging, stacked in a warehouse setting. The boxes display product information and branding.
Placement Considerations
- Indoor Unit: Choose a location that allows for optimal air distribution throughout the room, away from direct sunlight or heat sources. Ensure sufficient space for maintenance.
- Outdoor Unit: Select a well-ventilated area, away from obstacles that might impede airflow. Ensure it is on a stable, level surface and has proper drainage.
Electrical Connection
The unit requires a 110/120V power supply. All electrical wiring must comply with local and national electrical codes. A dedicated circuit is recommended.
Refrigerant Line Connection
The system includes a full installation accessory kit with a quick connector for the refrigerant lines. This simplifies the connection process, but proper vacuuming and leak testing are still crucial and should be performed by a professional.
Operating Instructions
Your PRIME mini split system is controlled via the included backlit LCD remote controller. Familiarize yourself with the remote's buttons and display for optimal use.
Remote Control Overview
The remote features a clear LCD display showing current settings, temperature, and mode. Buttons are intuitively placed for easy access to various functions. Refer to the remote control's dedicated section in the full manual for a detailed button layout.
Operating Modes
- Auto Mode: The unit automatically selects the appropriate operating mode (Cool, Heat, or Fan) based on the room temperature and your set temperature.
- Cool Mode: Provides cooling to lower the room temperature. Adjust the temperature setting to your desired comfort level.
- Dry Mode (Dehumidify): Reduces humidity in the room without significant temperature change. Ideal for damp conditions.
- Heat Mode: Provides heating to raise the room temperature.
- Fan Mode: Circulates air without heating or cooling. You can select fan speed.
Temperature Adjustment
Use the temperature up/down buttons on the remote to set your desired room temperature. The display will show the set temperature.
Fan Speed Control
The unit offers three fan speeds (Low, Medium, High) and an Auto-speed setting. In Auto-speed, the unit adjusts the fan speed automatically based on the operating mode and temperature difference.
Sleep Function
Activate the Sleep function for energy savings and quiet operation during nighttime hours. The unit will gradually adjust the temperature and fan speed for comfortable sleep.
Automatic Air Swing
The Automatic Air Swing feature ensures even distribution of conditioned air throughout the room by automatically moving the louver. This can be toggled on or off via the remote.

Image: The sleek white indoor unit of the PRIME mini split system, featuring a digital display showing "24" and a prominent green circular label indicating "Eco-friendly Refrigerant R410A".
Maintenance
Regular maintenance is crucial for the efficient and long-lasting operation of your PRIME mini split system. Always disconnect power to the unit before performing any maintenance.
Filter Cleaning
The indoor unit is equipped with washable filters. Clean these filters every two weeks or more frequently if the unit is used heavily or in dusty environments. Dirty filters can reduce efficiency and airflow.
- Open the front panel of the indoor unit.
- Remove the air filters.
- Wash the filters with lukewarm water and a mild detergent. Rinse thoroughly.
- Allow the filters to dry completely in a shaded area before reinserting them. Do not expose to direct sunlight.
- Reinstall the dry filters and close the front panel.
Outdoor Unit Cleaning
Periodically check the outdoor unit for debris, leaves, or dirt that may accumulate on the coils or fan blades. Gently clean with a soft brush or vacuum. Do not spray water directly onto electrical components.
Seasonal Maintenance
Before the start of each cooling or heating season, it is advisable to have a qualified technician perform a comprehensive check of the system, including refrigerant levels, electrical connections, and overall performance.
Troubleshooting
Before contacting customer support, please refer to the following table for common issues and their potential solutions. Many minor problems can be resolved by the user.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power supply; circuit breaker tripped; remote control batteries dead. | Check power connection; reset circuit breaker; replace remote control batteries. |
| Insufficient cooling/heating. | Dirty air filters; blocked outdoor unit; wrong mode selected; low refrigerant. | Clean air filters; clear obstructions from outdoor unit; select correct mode; contact professional for refrigerant check. |
| Unusual noise from unit. | Loose parts; fan obstruction; unit not level. | Check for loose screws; remove any obstructions; ensure unit is level. If noise persists, contact service. |
| Water leaking from indoor unit. | Clogged drain pipe; improper installation. | Check and clear drain pipe; contact professional for inspection. |
Technical Specifications
| Feature | Specification |
|---|---|
| Brand Name | PRIME (Generic) |
| Model Info / Item Model Number | e2prime |
| Part Number | 502259-444237 |
| Cooling Capacity | 12,000 BTU |
| Voltage | 110/120 Volts |
| Seasonal Energy Efficiency Ratio (SEER) | 12.6 (as per feature bullets) / 12.2 (as per specifications) |
| Noise Level | 32 dB |
| Item Weight | 22 pounds (likely indoor unit only, total weight is higher for two packages) |
| Capacity (Air Volume) | 550 Cubic Feet |
| Annual Energy Consumption | 2800 Kilowatt Hours Per Year |
| Installation Type | Split System |
| Form Factor | Mini-Split |
| Special Features | Heating And Cooling Function, Sleep Function, Automatic Air Swing, Washable Filters |
| Color | White |
| Included Components | Indoor Unit, Outdoor Unit, Full installation accessory kit with quick connector |
| Recommended Floor Area | Up to 600 Square Feet |
| Cable Length (Refrigerant Line) | 13 Feet |
| Product Dimensions (Indoor Unit) | 7"D x 30"W x 10"H |
| BEE Star Rating | 5 Star |
Warranty Information
The PRIME Mini Split system comes with a limited warranty. Specific warranty terms, including coverage duration for parts and compressor, are typically provided with the product documentation or can be obtained from your point of purchase. Please retain your proof of purchase for warranty claims.
Note: Improper installation or unauthorized servicing may void the product warranty.
Customer Support
If you encounter issues that cannot be resolved using the troubleshooting guide, or if you require technical assistance or parts, please contact your retailer or the manufacturer's customer support. Have your model number (e2prime) and purchase date ready when contacting support.
For the most up-to-date contact information, please refer to the packaging or the official product website.





