1. Introduction
This manual provides essential information for the safe and efficient use of your Rellytech Mini Split AC/Heating System. Please read these instructions thoroughly before installation and operation, and retain them for future reference. This system is designed to provide powerful cooling and heating for spaces up to 750 sq. ft., featuring a 19 SEER2 rating for energy efficiency and quiet operation.

Figure 1: The Rellytech Mini Split AC/Heating System offers four operational modes: Cooling, Heating, Drying, and Fan-only.
2. Setup and Installation
Installation of this mini split system requires professional HVAC expertise. Improper installation can lead to refrigerant leakage, electric shock, fire, or water leakage. Ensure all local and national electrical codes are followed.
2.1 Package Contents
Verify that all components are present before beginning installation. The system typically arrives in two boxes.
- Box 1 (Indoor Unit): Indoor Unit, Remote Control, 2 AAA Batteries, User Manual, Bracket Template, Mounting Plate, Communication Cable (12.5ft), Power Cable (5.9ft).
- Box 2 (Outdoor Unit): Outdoor Unit, Plastic Strap, 2 Connecting Pipes (9.84ft), Luting Putty, Pipe Protection Ring, Drain Pipe (6.56ft), Screws (4.2*50, 6pcs), 6 Anchors.

Figure 2: Illustrated list of components included in the package for the indoor and outdoor units.
2.2 Installation Overview
The installation process involves mounting the indoor unit, placing the outdoor unit, connecting refrigerant lines and electrical wiring, and ensuring proper drainage. Refer to the detailed instructions in the included User Manual (PDF) for specific steps and safety precautions.
Video 1: Official Rellytech Mini Split AC Installation Guide. This video demonstrates the key steps for installing the indoor and outdoor units, connecting the lines, and preparing the system for operation. Professional installation is recommended.
3. Operating Instructions
Your Rellytech Mini Split system offers various modes and features for optimal comfort. Use the provided remote control to manage settings.
3.1 Modes of Operation
- Cooling Mode: Provides powerful cooling to maintain desired indoor temperatures.
- Heating Mode: Delivers efficient heating for colder conditions.
- Fan Mode: Circulates air without cooling or heating.
- Dry Mode: Reduces humidity in the room.

Figure 3: The system provides 12000 BTU cooling and 12500 BTU heating, suitable for areas up to 750 sq. ft.
3.2 Smart Features
- ECO Mode: Optimizes energy consumption for both cooling and heating, reducing electricity costs.
- Sleep Mode: Gradually adjusts the temperature and fan speed for comfortable sleep and reduced noise.
- 24-Hour Timer: Allows scheduling of operation times.
- LED-off Function: Turns off the display lights for an undisturbed environment.
- Customizable Airflow: Features 4 fan speeds (High/Medium/Low/Auto) and a 90° vertical swing for even air distribution.

Figure 4: The 90° vertical swing feature ensures wide and even air distribution throughout your space.

Figure 5: The system operates at a low noise level of 42dB, ensuring a peaceful environment, especially during sleep mode.
Video 2: Official Rellytech Mini Split AC System Overview. This video highlights the system's 4-in-1 functionality and year-round comfort features.
Video 3: Official Rellytech Mini Split AC Demo. This video demonstrates the quick cooling and heating capabilities of the system.
4. Maintenance
Regular maintenance ensures optimal performance and longevity of your mini split system. Always disconnect power before performing any maintenance.
4.1 Filter Cleaning
The indoor unit is equipped with removable and easy-to-clean air filters. It is recommended to clean the filters every two weeks or more frequently depending on usage and air quality. Refer to the detailed user manual for instructions on how to remove and clean the filters.

Figure 6: The removable filters are designed for easy cleaning, contributing to improved air quality.
4.2 General Cleaning
Wipe the exterior of the indoor and outdoor units with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the outdoor unit's coils are free from debris for efficient operation.
5. Troubleshooting
If you encounter issues with your Rellytech Mini Split system, consult the following basic troubleshooting guide. For complex problems, contact a qualified HVAC technician or customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power, circuit breaker tripped, remote control batteries dead. | Check power supply, reset circuit breaker, replace remote batteries. |
| Insufficient cooling/heating | Dirty air filters, blocked outdoor unit, incorrect mode setting, room size exceeds capacity. | Clean air filters, clear obstructions from outdoor unit, verify mode and temperature settings, ensure unit matches room size. |
| Unusual noise | Loose parts, foreign objects, refrigerant issues. | Inspect for loose components or obstructions. If noise persists, contact service. |
| Water leakage | Blocked drain pipe, improper installation. | Check and clear drain pipe. If issue persists, professional inspection is required. |
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Rellytech |
| Model Name | Mini Split |
| Model Number | CE0-1 |
| Cooling Power | 12000 BTU |
| Heating Capacity | 12500 BTU |
| Seasonal Energy Efficiency Ratio (SEER2) | 19 |
| Heating Seasonal Performance Factor (HSPF2) | 8.5 |
| Voltage | 115V |
| Noise Level | 42 dB |
| Refrigerant | R-32 |
| Coverage Area | Up to 750 sq. ft. |
| Product Dimensions (Indoor Unit) | 11.4"D x 31.9"W x 8.7"H |
| Item Weight | 92 pounds (total) |
| Control Method | Remote Control |
| Certifications | ETL, AHRI Certified |

Figure 7: The system boasts a 19 SEER2 rating, indicating high energy efficiency and potential energy cost savings.
7. Warranty and Support
7.1 Warranty Information
Rellytech provides an 8-year warranty for this mini split AC/Heating system. This warranty covers manufacturing defects and ensures reliable performance. Please retain your proof of purchase for warranty claims.
7.2 Customer Support
For technical guidance, troubleshooting assistance, or warranty service, please contact Rellytech customer service. Our support team is available 24 hours to assist you.
- Contact Information: Refer to the contact details provided in your product packaging or on the official Rellytech website.
- Online Resources: Additional support and FAQs may be available on the Rellytech brand store or product page.



