Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Boreal BRISA 18,000 BTU 16 SEER Wall Mount Ductless Mini Split System. Please read this manual thoroughly before using the product and retain it for future reference.

Figure 1: Boreal BRISA 18,000 BTU Mini Split System components, including the indoor wall-mounted air handler, the outdoor condenser unit, and the wireless remote control.
Safety Information
Always adhere to the following safety precautions to prevent injury or damage to the unit.
- Professional Installation: Installation must be performed by a state-licensed HVAC contractor. Improper installation can lead to electric shock, fire, water leakage, and may void the warranty.
- Power Supply: Ensure the unit is connected to a 230V power supply. Do not use extension cords or multi-outlet adapters.
- Refrigerant: This system uses R410A refrigerant. Handling of refrigerant should only be done by qualified personnel.
- Electrical Safety: Do not operate the unit with wet hands. Disconnect power before cleaning or performing maintenance.
- Clearance: Maintain adequate clearance around both indoor and outdoor units for proper airflow and maintenance.
Setup and Installation
This section outlines the general steps for setting up your Boreal BRISA Mini Split System. Note: Detailed installation instructions are provided in a separate installation manual intended for licensed HVAC professionals. This overview is for informational purposes only.
Components Included:
- Indoor Wall Mounted Air Handler
- Outdoor Condenser Unit
- Wireless Remote Control
Lineset and electrical wiring are required but not included with the system.
Installation Overview:
- Indoor Unit Placement: Select a location on an interior wall that allows for optimal air distribution and drainage. Ensure sufficient space around the unit for maintenance.
- Outdoor Unit Placement: Position the outdoor condenser unit on a stable, level surface, away from direct sunlight or obstructions. Ensure proper airflow and drainage.
- Connecting Refrigerant Lines: The indoor and outdoor units are connected via refrigerant lines (lineset). This process requires specialized tools and expertise to ensure proper sealing and vacuuming.
- Electrical Wiring: Connect the indoor and outdoor units to the main power supply (230V) and to each other according to wiring diagrams. All electrical work must comply with local codes.
- Drainage: Install drainage lines for condensate removal from the indoor unit.
- System Test: After installation, a licensed technician will perform a system test to verify proper operation, check for leaks, and ensure optimal performance.

Figure 2: The Boreal BRISA indoor unit, designed for wall mounting, showing its sleek white casing and digital display.

Figure 3: The Boreal BRISA outdoor condenser unit, featuring a protective grille over the fan and the Boreal Air Conditioning Inverter branding.
Operating Instructions
Your Boreal BRISA Mini Split System is controlled by the included wireless remote control.
Remote Control Functions:
- ON/OFF Button: Powers the unit on or off.
- MODE Button: Cycles through operating modes: Cool, Heat, Fan, Dry, Auto.
- TEMP ▲/▼ Buttons: Adjusts the desired temperature setting.
- FAN Button: Adjusts fan speed (Auto, Low, Medium, High).
- SWING Button: Controls the louver movement for air direction.
- TIMER Button: Sets the auto-on or auto-off timer.
- SLEEP Button: Activates sleep mode for quiet operation and energy saving during sleep.
- I FEEL Button: Activates the "I Feel" function, which senses the temperature at the remote's location for more precise comfort.
Basic Operation:
- Power On: Press the ON/OFF button on the remote control. The indoor unit display will illuminate.
- Select Mode: Press the MODE button repeatedly until your desired operating mode (e.g., Cool for cooling, Heat for heating) is displayed on the remote.
- Set Temperature: Use the TEMP ▲ or ▼ buttons to set your preferred temperature. For optimal energy efficiency, set cooling to 75-78°F (24-26°C) and heating to 68-72°F (20-22°C).
- Adjust Fan Speed (Optional): Press the FAN button to cycle through fan speed options. Auto mode is recommended for general use.
- Power Off: Press the ON/OFF button again to turn the unit off.
Maintenance
Regular maintenance ensures optimal performance and longevity of your Boreal BRISA system. Always disconnect power to the unit before performing any maintenance.
Indoor Unit Maintenance:
- Air Filter Cleaning:
The air filters should be cleaned every 2-4 weeks, or more frequently depending on usage and air quality. Open the front panel of the indoor unit, remove the filters, and wash them with lukewarm water and mild detergent. Rinse thoroughly, allow to air dry completely, and then reinsert.
- Unit Surface Cleaning:
Wipe the indoor unit's surface with a soft, damp cloth. Do not use harsh chemicals, abrasives, or solvents.
Outdoor Unit Maintenance:
- Coil Cleaning:
Periodically check the outdoor coil for dirt, leaves, and debris. Gently clean with a soft brush or rinse with a garden hose. Avoid bending the coil fins.
- Clearance:
Ensure that the area around the outdoor unit remains clear of obstructions (e.g., plants, snow, debris) to maintain proper airflow.
- Professional Inspection:
It is recommended to have a licensed HVAC technician inspect and service your system annually to ensure all components are functioning correctly and to check refrigerant levels.
Troubleshooting
Before contacting customer support, please refer to the following common issues and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power; remote control batteries dead; unit in timer mode. | Check circuit breaker; replace remote batteries; cancel timer setting. |
| Insufficient cooling/heating. | Dirty air filters; blocked outdoor unit; wrong mode selected; temperature setting too high/low. | Clean air filters; clear obstructions from outdoor unit; select correct mode; adjust temperature setting. |
| Water leakage from indoor unit. | Blocked drain hose; improper installation. | Clear drain hose obstruction; contact a licensed technician for inspection. |
| Unusual noise. | Loose parts; fan obstruction; normal operating sounds (e.g., refrigerant flow). | Check for loose parts; remove obstructions; if noise persists or is abnormal, contact a technician. |
If the problem persists after attempting these solutions, please contact Boreal customer support or a licensed HVAC technician.
Specifications
| Feature | Detail |
|---|---|
| Brand | Boreal |
| Model Name | BRISA |
| Model Number | BRS18HPJ1A / 813919021420 |
| Capacity | 18,000 BTU (1.5 Tons) |
| Seasonal Energy Efficiency Ratio (SEER) | 16 |
| Energy Efficiency Ratio (EER) | 8.5 |
| Heating Seasonal Performance Factor (HSPF) | 9 |
| Coefficient of Performance (COP) | 3 |
| Voltage | 230 Volts |
| Power Source | Corded Electric |
| Refrigerant Type | R 410A |
| Sound Level (Outdoor) | 56 dB |
| Room Coverage | 600 - 1,000 sqft |
| Special Features | Remote Controlled |

Figure 4: Dimensions for Boreal Brisa indoor and outdoor units. For the 18,000 BTU model, the indoor unit measures 38" x 11.75" x 8.75" and the outdoor unit measures 35.75" x 25" x 12.25".
Warranty Information
Boreal provides the following manufacturer's warranty for this product:
- Parts: Three (3) Years on all parts.
- Compressor: Five (5) Years on the compressor.
Important Note: To be eligible for warranty coverage, installation must be performed by a state-licensed HVAC contractor. Please retain your installation receipt and proof of purchase.
Customer Support
For technical assistance, warranty claims, or further inquiries, please contact Boreal customer support. Refer to your product packaging or the Boreal official website for the most current contact information.
When contacting support, please have your model number (BRS18HPJ1A / 813919021420) and purchase date available.





