1. Introduction
This manual provides essential instructions for the installation, operation, and maintenance of your OLMO 12,000 BTU Packaged Terminal Air Conditioner (PTAC) with Heating and Wireless Smart Kit. This unit is designed to provide efficient year-round climate control for various residential and commercial settings.
Please read this manual thoroughly before operating the unit to ensure safe and optimal performance. Keep this manual for future reference.

Image: The OLMO PTAC unit installed in a room, showcasing its compact design and the smart control application on a mobile device. Key features such as cooling, heating, smart connectivity, and remote control are highlighted.
2. Setup and Installation
2.1 Power Requirements
The OLMO 12,000 BTU PTAC unit operates on 230/208V, 1 Phase, 60Hz electrical supply. It comes equipped with a 20A power plug that includes a reset breaker. It is crucial to verify that your electrical receptacle is compatible with this plug type before installation.

Image: A close-up of the 230V standard power plug with a built-in test and reset button, emphasizing the need for proper receptacle verification.
2.2 Wall Sleeve and Grille
For new installations, a compatible wall sleeve and exterior grille are required. These components are not included with the PTAC unit and must be purchased separately to ensure proper fitment and functionality.
2.3 Unit Dimensions
The standard dimensions for this PTAC unit are 42 inches (W) x 21 inches (D) x 16 inches (H). Ensure the installation space accommodates these measurements.

Image: The OLMO PTAC unit shown with its standard dimensions clearly labeled, indicating its width, depth, and height for installation planning.
2.4 Installation Type
This is a packaged terminal unit designed for through-the-wall installation. It does not require ductwork, making it suitable for various applications including hotels, motels, apartments, and residential additions.
2.5 Shipping Information
Due to its size and weight (approximately 112 pounds), this item ships via freight. Delivery will be made to the nearest accessible point outside your home. The carrier will contact you to coordinate delivery details.
3. Operation
3.1 Operating Modes
The OLMO PTAC unit offers comprehensive climate control with the following modes:
- Cooling: Provides 12,000 BTU of cooling power.
- Heating: Features a built-in 3.5 kW electric heat strip for effective heating.
- Dehumidifier: Helps reduce humidity levels in the room.
3.2 Control Methods
You can control your PTAC unit using multiple methods:
- Digital Push Button Control Panel: Located on the unit with an LED display.
- Included Remote Controller: Allows convenient adjustment of settings from a distance.
- Wireless Smart Kit (App Control): Compatible with iOS and Android devices, enabling remote control, scheduling, and monitoring via your smartphone or tablet.

Image: The remote control for the OLMO PTAC unit, showing various buttons for mode selection, temperature adjustment, and fan speed.

Image: A smartphone screen displaying the OLMO smart control application, illustrating the user interface for remote temperature and mode adjustments.
3.3 Key Features
- Fast Cooling: Quickly achieves desired cooling temperatures.
- Auto Restart: Unit automatically resumes operation with previous settings after a power outage.
- Auto Defrost: Prevents ice buildup on coils during heating operation in cold conditions.
- Dual Fan Speeds: Allows selection between different fan speeds for comfort and noise control.
- Comfortable Sleep Mode: Adjusts temperature and fan speed for optimal sleeping conditions.
- LED Display: Provides clear indication of settings and operating status.
- 24V Thermostat Compatibility: Can be integrated with external 24V thermostats.
3.4 Refrigerant and Noise Level
The unit uses R-32 refrigerant, known for its environmental efficiency. The operating noise level is rated at approximately 51.5 dB, ensuring quiet operation suitable for various environments.
3.5 Official Product Video
Video: An official overview of the Olmo Packaged Terminal Air Conditioner, demonstrating its features and benefits for various applications.
4. Maintenance
4.1 Air Filter Cleaning
Regular cleaning of the air filters is essential for maintaining optimal performance and air quality. The unit features washable air filters that can be easily removed and cleaned.
- Turn off the unit and disconnect it from the power supply.
- Locate and open the front panel to access the air filters.
- Carefully remove the filters.
- Wash the filters with lukewarm water and a mild detergent. Rinse thoroughly.
- Allow the filters to air dry completely before reinserting them into the unit.
- Close the front panel and reconnect the power supply.
It is recommended to clean the air filters every 2-4 weeks, or more frequently depending on usage and environmental conditions.

Image: A close-up view of the washable air filters being removed from the OLMO PTAC unit, illustrating the ease of access for maintenance.
5. Troubleshooting
If your OLMO PTAC unit is not operating as expected, please refer to the following common issues and solutions before contacting support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply; tripped circuit breaker; faulty power cord/plug. | Check power connection. Reset the circuit breaker. Inspect the power cord and plug for damage. If issues persist, consult a qualified electrician. |
| Insufficient cooling/heating | Dirty air filters; blocked air intake/outlet; incorrect temperature setting; room size exceeds unit capacity. | Clean air filters. Ensure no obstructions. Adjust temperature setting. Verify unit BTU matches room requirements. |
| Unusual noise | Loose parts; foreign objects; unit not level. | Check for loose components or objects. Ensure the unit is installed on a level surface. |
| Water leakage | Blocked drain pan or hose; improper installation. | Clear any blockages in the drain system. Review installation instructions or consult a professional. |
If you encounter problems not listed here or if the suggested solutions do not resolve the issue, please contact OLMO customer support for further assistance.
6. Specifications
Below are the detailed technical specifications for the OLMO 12,000 BTU PTAC unit (Model: OS-MBW-12HS).
| Feature | Detail |
|---|---|
| Brand | OLMO |
| Model Name | OLMO 12,000 BTU PTAC |
| Model Number | OS-MBW-12HS |
| Cooling Power | 12,000 BTU |
| Heating Capacity | 3.5 kW Electric Heater |
| Voltage | 230/208 Volts |
| Refrigerant | R-32 |
| Product Dimensions (D x W x H) | 21"D x 42"W x 16"H |
| Item Weight | 112 pounds |
| Noise Level | 51.5 dB |
| Seasonal Energy Efficiency Ratio (SEER) | 10.8 |
| Control Method | Remote, App Control, Touch Control |
| Included Components | PTAC Unit, Remote Control, Smart Connect Kit |
| Core Material | Copper |
| Compressor Type | Rotary Scroll |
| Installation Type | Packaged (Through-the-Wall) |

Image: A detailed specification chart for OLMO PTAC units, including power, capacity, cooling, heating, refrigerant type, noise levels, and dimensions across different models.
7. Warranty Information
The OLMO 12,000 BTU PTAC unit comes with a 1 Year Limited Warranty. This warranty covers defects in materials and workmanship under normal use and service. Please retain your proof of purchase for warranty claims.
For specific terms and conditions of the warranty, or to initiate a warranty claim, please refer to the warranty card included with your product or contact OLMO customer support.
8. Customer Support
For any questions, technical assistance, or service inquiries regarding your OLMO PTAC unit, please contact our customer support team. Ensure you have your model number (OS-MBW-12HS) and proof of purchase ready when contacting support.
You can typically find contact information on the OLMO official website or within the product packaging.






