1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your ARLIME 12000 BTU 21 SEER2 Mini Split AC/Heating System. This inverter split air conditioner is designed for both cooling and heating, utilizing advanced inverter technology for consistent performance and energy efficiency. Please read this manual thoroughly before installation and use, and retain it for future reference.
2. Product Overview
Key Features
- Efficient Cooling and Heating: 12000 BTU cooling capacity (920W) and 12300 BTU heating capacity (940W), suitable for areas up to 750 sq. ft.
- Inverter Technology: Extends service life, provides comfortable experience, and lowers energy consumption. Energy Star certified.
- 4-in-1 System: Offers Cooling, Heating, Dry, and Fan modes for year-round climate control.
- Wide Temperature Range: Adjustable from 60℉ (15.5℃) to 90℉ (32℃).
- Dehumidification: Capacity of 42 pints per day.
- Multi-functional Remote Control: Allows control of temperature, fan speed, timer, and mode settings from up to 26 ft away.
- Quiet Operation: Operates with low noise levels, under 26 dB for the indoor unit, promoting undisturbed sleep.
- Timer Function: Programmable from 0.5 to 24 hours for energy saving.
- Auto Self-Cleaning: Features a 135℉ self-cleaning mode for improved air quality and unit hygiene.
- Eco-Friendly Refrigerant: Uses R32 refrigerant.
Included Components
The package includes the following items:
- 1 x Outdoor Unit
- 1 x Indoor Unit
- 1 x 13 ft Copper & Aluminum Connection Pipe (Air Pipe)
- 1 x 13 ft Copper & Aluminum Connection Pipe (Liquid Pipe)
- 1 x 6.5 ft Drain Hose
- 1 x 13 ft Communication Wires
- 1 x Remote Control
- 2 x Batteries (for remote control)
- 1 x Tape
- 1 x Luting (Putty)
- 1 x User Guide (this manual)


3. Setup and Installation
Professional installation is recommended for this mini split system to ensure proper function and safety. The included installation kit contains the necessary components for setup. Refer to the detailed installation instructions provided in the full user guide for step-by-step procedures.
Important Installation Notes:
- Ensure proper electrical connections according to local codes and the unit's voltage requirements (208-230V~60Hz/1PH).
- Proper vacuuming of the refrigerant lines is crucial for system efficiency and longevity.
- If additional R32 refrigerant is needed, consult a local seller for availability.
4. Operating Instructions
4-in-1 System Modes
Your ARLIME Mini Split AC/Heating System offers four primary operating modes:
- Cooling Mode: Provides efficient cooling to maintain a comfortable indoor temperature.
- Heating Mode: Functions as a heat pump to warm your space during colder periods.
- Dry Mode (Dehumidification): Reduces humidity levels in the room without significant temperature change.
- Fan Mode: Circulates air without cooling or heating, offering adjustable fan speeds (Low, Mid, High).


Remote Control Functions
The included multi-functional remote control allows for convenient operation of your unit. It has a control range of approximately 26 feet.
- Power Switch: Turns the unit on or off.
- Mode Button: Cycles through Cooling, Heating, Dry, and Fan modes.
- Temperature Adjustment: Use the up/down arrows to set the desired temperature.
- Fan Speed: Adjusts the fan speed (Auto, Low, Mid, High).
- Timer: Sets the operating duration (0.5 to 24 hours).
- Swing Function: Controls the vertical and horizontal louver movement for optimal air distribution.
- Display Button: Toggles the display on the indoor unit.
- ECO Mode: Activates energy-saving operation.
- Clean Function: Initiates the self-cleaning cycle.

Timer and Noise-Free Operation
The unit features a timer function allowing you to set operation for 0.5 to 24 hours, which can help in energy management. Additionally, the system is designed for quiet operation, with indoor noise levels as low as 26 dB, ensuring a peaceful environment, especially during sleep.

5. Maintenance
Auto Self-Cleaning Function
The unit includes an auto self-cleaning mode that operates at 135℉ to maintain internal hygiene and promote better air quality. The self-cleaning process involves several stages:
- Condensation: Moisture collects on the evaporator coils.
- Frost: The coils are frosted to trap dust and debris.
- Melting: The frost melts, washing away accumulated dirt.
- High Temperature Sterilization: The unit heats up to 135℉ to sterilize the coils.
- Cleanse: Further rinsing to remove residues.
- Ventilation: Dries the internal components to prevent mold and odors.

Filter Cleaning
The air filter can be easily removed for cleaning. Regular cleaning of the air filter is essential for maintaining optimal performance and air quality. Refer to the full user guide for specific instructions on how to remove and clean the filter.
6. Troubleshooting
If you encounter issues with your ARLIME Mini Split AC/Heating System, please refer to the troubleshooting section in the comprehensive user guide for detailed solutions. Common issues may include:
- Unit not turning on.
- Insufficient cooling or heating.
- Unusual noises or odors.
- Remote control not responding.
- Water leakage from the indoor unit.
For complex problems or issues not covered in the manual, contact ARLIME customer support.
7. Specifications
The following table outlines the technical specifications for the ARLIME 12000 BTU 21 SEER2 Mini Split AC/Heating System:
| Specification | Value |
|---|---|
| Brand Name | ARLIME |
| Model Number | AR-0000-24 |
| Indoor Unit Size (L x W x H) | 30" x 8" x 11.5" |
| Outdoor Unit Size (L x W x H) | 27.5" x 11" x 21" |
| Cooling Capacity | 12000 BTU |
| Heating Capacity | 12300 BTU |
| Cooling Power | 920W |
| Heating Power | 940W |
| Voltage | 208-230V~60Hz/1PH |
| Coverage Area | Up to 750 sq.ft |
| Dehumidifying Capacity | 42 Pints/Day |
| Temperature Setting Range | 60℉~90℉ (15.5℃~32℃) |
| Refrigerant | R32 |
| Indoor Noise Level | 41dB (Max), under 26dB (Quiet Mode) |
| Outdoor Noise Level | 52dB |
| Net Weight of Indoor Unit | 17.5 lbs |
| Net Weight of Outdoor Unit | 53 lbs |
| HSPF | 9 |
| SEER2 | 21 |
| Material Type | Metal, Aluminum, Plastic |
| Color | White+White |


8. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or contact ARLIME customer service directly. Ensure you have your model number (AR-0000-24) and purchase details available when seeking support.