LifePlus KAC-12GH
LifePlus 12000 BTU Mini Split AC/Heating System User Manual
Model: KAC-12GH
1. Important Safety Information
Please read all instructions carefully before installation and operation. Keep this manual for future reference. Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Consult a qualified installer, service agency, or the gas supplier for information or assistance.
- Always disconnect power before servicing.
- Ensure proper grounding to prevent electrical shock.
- Do not block air inlets or outlets.
- Use only the specified refrigerant (R-32).
- Keep children away from the unit.
2. Product Overview
The LifePlus 12000 BTU Mini Split AC/Heating System provides efficient cooling and heating for spaces up to 750 sq. ft. This ductless inverter system features a heat pump, 19 SEER2 energy efficiency, and quiet operation. It includes functions such as dehumidification, fast cooling, and a sleep mode for enhanced comfort.

Image: The indoor unit effectively cools and heats a room, demonstrating its dual functionality.
Key Features:
- Powerful Cooling & Heating: 12,000 BTU capacity with a temperature range of 61°F (16°C) to 88°F (31°C).
- Quiet Operation: Operates at less than 35 dB in Sleep Mode for minimal disturbance.
- High Energy Efficiency: 19 SEER2 rating, utilizing R32 refrigerant and ECO mode to reduce energy consumption by up to 40%.
- Year-Round Comfort: Maintains comfortable temperatures in various outdoor conditions, from 19.4°F to over 110°F.
- Multi-functional: Includes Dehumidifier, Fast Cooling, Inverter Compressor, and Sleep Mode.
3. What's in the Box
The LifePlus Mini Split AC/Heating System comes with all necessary components for installation. Please verify all items are present upon delivery.

Image: A visual representation of all included parts, indicating that the system ships in two separate boxes.
Included Components:
- Indoor Unit
- Outdoor Unit
- Remote Control (with 2 AAA Batteries)
- User Manual
- Indoor Installation Template
- Mounting Plate
- 12.47ft Indoor-Outdoor Connection Cable
- 5.91ft Outdoor Connection Cable
- 9.84ft Gas Pipe
- 9.84ft Liquid Pipe
- Tape
- 6.56ft Corrugated Water Pipe
- 6pcs Screws (4.2*50)
- 6pcs Plastic Expansion Tubes
- Wall Penetration Plastic Cover
- Sealing Putty
4. Installation
Installation of this mini split system can be performed by a qualified DIY individual or a professional. It is crucial to follow all steps precisely to ensure proper function and safety. A vacuum pump is required to evacuate the refrigerant lines during installation.

Image: A technician performing installation of the outdoor unit, highlighting the importance of professional or careful DIY setup.
Installation Video Guide:
For a detailed visual guide on the installation process, please refer to the official installation video:
Video: Official installation guide for the LifePlus Mini Split Air Conditioner, demonstrating the steps for proper setup.
Key Installation Steps (Summary):
- Mounting the Indoor Unit: Use the provided template and mounting plate to secure the indoor unit to the wall.
- Drilling Wall Hole: Create a hole for the refrigerant pipes, drain hose, and electrical cables.
- Connecting Pipes and Wires: Carefully connect the refrigerant pipes, drain hose, and electrical cables between the indoor and outdoor units. Ensure all connections are secure and leak-free.
- Vacuuming the Lines: This critical step removes air and moisture from the refrigerant lines. A vacuum pump is required.
- Mounting the Outdoor Unit: Secure the outdoor unit on a stable, level surface, ensuring adequate clearance for airflow.
- Power Connection: Connect the unit to a dedicated 115V power supply as per local electrical codes.

Image: Dimensions of the indoor and outdoor units, useful for planning installation space.
5. Operating Instructions
The unit is controlled via the included remote control. Ensure the remote has fresh AAA batteries installed.

Image: The remote control for the mini split system, detailing its various buttons and their functions.
Remote Control Functions:
- Power Button: Turns the unit ON or OFF.
- Mode Button: Cycles through operating modes: Cool, Heat, Fan, Dry, Turbo, Swing.
- Temp Up/Down: Adjusts the desired temperature.
- Fan Speed: Selects fan speed (High, Medium, Low, Auto).
- Swing: Activates or deactivates the automatic louver swing for air distribution.
- ECO Mode: Engages energy-saving operation.
- Timer: Sets a timer for automatic ON/OFF.
- Sleep Mode: Adjusts temperature and fan speed for comfortable sleep, reducing noise.
- Mute: Silences operational beeps.
- Display: Turns the unit's display lights ON or OFF.

Image: Illustration of the four fan speed settings available on the unit.
Operating Modes:
- Cool Mode: Provides cooling by removing heat from the room.
- Heat Mode: Provides heating by transferring heat into the room.
- Fan Mode: Circulates air without cooling or heating.
- Dry Mode (Dehumidifier): Reduces humidity in the room.
- Turbo Mode: Operates at maximum fan speed for rapid cooling or heating.
- Sleep Mode: Optimizes settings for quiet operation and energy saving during sleep, with display lights off and reduced noise levels (<35 dB).

Image: The unit operating in Sleep Mode, emphasizing its quietness and features like timer and screen off.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your LifePlus Mini Split AC/Heating System.

Image: Demonstrating the easy removal and washing of the air filter.
Cleaning the Air Filter:
- The unit features a washable filter for easy maintenance.
- Open the front panel of the indoor unit.
- Carefully remove the air filters.
- Wash the filters with lukewarm water and a mild detergent.
- Rinse thoroughly and allow them to air dry completely before reinserting.
- Clean filters regularly (e.g., every 2-4 weeks, depending on usage) to maintain air quality and efficiency.
General Cleaning:
- Wipe the indoor and outdoor unit surfaces with a soft, damp cloth.
- Do not use harsh chemicals, abrasives, or solvents.
- Ensure the outdoor unit's coils are free from debris (leaves, dirt) to ensure proper heat exchange.
7. Troubleshooting
If you encounter issues with your unit, refer to the following common troubleshooting steps. For problems not listed here, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply; Remote control batteries low | Check circuit breaker; Replace remote batteries |
| Insufficient cooling/heating | Dirty air filter; Blocked outdoor unit; Incorrect mode/temperature setting; Room size exceeds capacity | Clean filter; Clear obstructions; Adjust settings; Ensure unit matches room size |
| Unusual noise | Loose parts; Unit not level; Obstruction in fan | Check for loose components; Ensure unit is level; Remove obstructions |
| Water leakage from indoor unit | Clogged drain hose; Improper installation | Clear drain hose; Consult installer for inspection |
| Remote control beeps loudly | Default setting for button press feedback | Press the 'Mute' button on the remote control to disable beep sounds. |
8. Specifications
Detailed technical specifications for the LifePlus 12000 BTU Mini Split AC/Heating System.
| Feature | Specification |
|---|---|
| Brand | LifePlus |
| Model Number | KAC-12GH |
| Cooling Power | 12000 BTU |
| Heating Power | Heat Pump |
| Coverage Area | Up to 750 sq. ft. |
| Seasonal Energy Efficiency Ratio (SEER2) | 19 |
| Voltage | 115V |
| Noise Level (Sleep Mode) | <35 dB |
| Noise Level (Operating) | 42 dB |
| Refrigerant | R-32 |
| Indoor Unit Dimensions (D x W x H) | 12.1" x 31.1" x 8.5" |
| Item Weight | 55 pounds (total) |
| Control Method | Remote Control |
| Special Features | Dehumidifier, Fast Cooling, Heating & Cooling Function, Inverter Compressor, Sleep Mode |
9. Warranty and Support
Warranty Information:
The LifePlus Mini Split AC/Heating System comes with a 12-month warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by improper installation, misuse, accidents, or unauthorized repairs.
Customer Support:
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact LifePlus customer support. You can typically find contact information on the manufacturer's website or your purchase documentation.
When contacting support, please have your model number (KAC-12GH) and purchase date ready.
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