1. Introduction
This manual provides essential information for the safe and efficient operation of your Upstreman 24000 BTU Mini Split Air Conditioner/Heating System, Model UI24. Please read this manual thoroughly before installation and use, and retain it for future reference.

Image: The Upstreman 24000 BTU Mini Split Air Conditioner providing powerful cooling and heating in a living space. It highlights 24000 BTU cooling/heating capacity, 1500 sq.ft max cover area, and an adjustable temperature range of 60-90°F.
2. Safety Information
Always follow basic safety precautions to reduce the risk of fire, electric shock, or injury. This appliance is not intended for use by persons with reduced physical, sensory, or mental capabilities unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Ensure the unit is properly grounded.
- Do not operate the unit with wet hands.
- Keep children away from the unit.
- Do not block air inlets or outlets.
- Turn off power before cleaning or servicing.
3. What's in the Box
Your Upstreman Mini Split Air Conditioner/Heating System includes the following components:
- Indoor Unit
- Outdoor Unit
- Mounting Bracket
- Installation Kit (includes connecting pipes, drain pipe, power cable, remote control, batteries, sealed clay, PVC protective tape, screws, outdoor unit feet pads, cleaning sponge)
- Air Conditioner Manual
- WiFi Download Guide

Image: A detailed layout of all components included with the Upstreman Mini Split Air Conditioner, including indoor unit, outdoor unit, mounting bracket, various pipes, cables, remote control, and installation accessories.
4. Setup and Installation
Professional installation is recommended for this mini split system due to its complexity and the need for specialized tools and knowledge. The unit is delivered in two separate boxes.
4.1 Mounting the Outdoor Unit
The included heavy-duty, waterproof mounting brackets support up to 600 pounds and resist moisture damage. Ensure the mounting location is sturdy and provides adequate clearance for airflow.

Image: Comparison showing the Upstreman outdoor unit mounted with its robust, included bracket, highlighting its 600lbs max loading capacity, waterproof, and anti-rusting features.
4.2 Connecting Pipes and Wiring
Carefully pass the wrapped indoor and outdoor connecting pipes, power cord, and drain pipe through the wall hole. Ensure all connections are secure and leak-free.
Video: This video demonstrates the installation process for Upstreman Mini Split Air Conditioners, including passing pipes and wiring through the wall. (Duration: 8:48)
5. Operating Modes and Features
Your Upstreman Mini Split system offers a variety of operating modes and features for optimal comfort and energy efficiency.
5.1 Available Modes
- Auto: Automatically selects cooling or heating based on ambient temperature.
- Cool: Provides cooling to lower room temperature.
- Heat: Provides heating to raise room temperature. Operates effectively in outdoor temperatures from -4°F to 122°F.
- Dry: Dehumidifies the air.
- Fan: Circulates air without cooling or heating.
- Sleep: Adjusts temperature and fan speed for quiet operation during sleep, with noise levels as low as 37 dB.
- Eco: Optimizes operation to reduce energy consumption.

Image: Illustration of the Upstreman Mini Split Air Conditioner's smart control via a mobile app and its 7 operating modes: Dry, Fan, Sleep, Auto, Eco, Heat, and Cool.
5.2 Fan Speeds and Airflow
The unit features 6 fan speeds (Auto, Low, Mid-Low, Mid, Mid-High, High) and 4D airflow with up-down and left-right swing for even air distribution.

Image: Depiction of the Upstreman Mini Split Air Conditioner's 4D airflow and 6 fan speed settings (Auto, Low, Medium-low, Medium, Medium-high, High) distributing air throughout a room.
6. Smart Control and WiFi Connectivity
Control your mini split AC system remotely using the Smart Life app via WiFi connectivity. This allows you to set the desired temperature and customize operation from anywhere.
- 24-Hour Timer: Schedule when the unit runs to save energy.
- Child Lock: Prevents unintended changes to settings.
- Display Off: The indoor unit display automatically turns off after 10 seconds of inactivity to avoid disturbing rest.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your air conditioner.
7.1 Filter Cleaning
The anti-dust filter is washable. Rinse it monthly with water to maintain fresh air quality and unit efficiency.
7.2 High-Temperature Self-Clean
The indoor unit features a high-temperature self-clean function to keep it dry and prevent mold growth. This function helps maintain clean air and efficient operation.

Image: Diagram illustrating the self-cleaning process of the Upstreman Mini Split Air Conditioner, showing steps from condensation to sterilization, ensuring a clean indoor unit.
7.3 Automatic Defrost
The automatic defrost function activates intelligently during heating operation to ensure stable and uninterrupted performance in cold conditions.
8. Troubleshooting
If you encounter issues with your unit, refer to the following common troubleshooting steps. For more complex problems, contact customer support.
- Unit not turning on: Check power supply, circuit breaker, and ensure the remote control batteries are functional.
- Insufficient cooling/heating: Verify temperature settings, clean air filters, ensure no obstructions to airflow, and check for proper door/window sealing.
- Unusual noises: Identify the source of the noise. Minor sounds during operation are normal. If loud or persistent, contact support.
- Water leakage: Check the drain pipe for blockages or improper installation.
- WiFi connectivity issues: Ensure your router is working, the unit is within range, and the Smart Life app is updated.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | Upstreman |
| Model Name | UI24-230V |
| Model Number | UI24 |
| Cooling Power | 24000 British Thermal Units |
| Capacity | 1 tons |
| Voltage | 230V |
| Wattage | 2269 watts |
| Seasonal Energy Efficiency Ratio (SEER) | 20 |
| Noise Level | 43 dB (as low as 37 dB in Sleep Mode) |
| Refrigerant | R-32 |
| Product Dimensions (D x W x H) | 12.6"D x 40.4"W x 9.4"H |
| Item Weight | 117.8 pounds |
| Control Method | App, Remote Control |
| Installation Type | Split System |
| Special Features | 4 Way Swing, Child Lock, Fast Cooling, Sleep Mode, WiFi Enabled |

Image: Display of the Upstreman Mini Split Air Conditioner's energy-saving features, including ETL and AHRI certifications, R32 refrigerant, SEER2 20, and HSPF2 8.5 ratings, indicating 43% energy saving.
10. Warranty and Support
10.1 Warranty Information
Your Upstreman Mini Split Air Conditioner/Heating System is covered by a 1 Year Manufacturer Warranty. Please retain your proof of purchase for warranty claims.
10.2 Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact Upstreman customer support. Refer to the contact information provided in your product packaging or visit the official Upstreman website.