Introduction
This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your Gree 18,000 BTU 20 SEER Ductless Mini Split Air Conditioner Heat Pump. Please read this manual thoroughly before using the appliance and retain it for future reference.
Product Overview
The Gree Vireo+ Wall Mount unit is designed to provide consistent indoor comfort through its advanced features and efficient operation. This system includes an indoor unit, an outdoor unit, and a remote controller, offering both cooling and heating functionalities.

Figure 1: Overview of the Gree 18,000 BTU Mini Split Air Conditioner Heat Pump system, showing the indoor unit, outdoor unit, remote control, and installation kit components.
Setup and Installation
Proper installation is crucial for the performance and longevity of your mini split system. It is recommended that installation be performed by a qualified HVAC technician.
Installation Requirements
- Line Set: A 1/4" x 5/8" line set is required for installation. This component is not included with the unit.
- Electrical Supply: The unit operates on 230V electrical power. Ensure appropriate wiring and circuit protection are in place.
- Mounting: Securely mount the indoor and outdoor units according to the detailed instructions provided in the full installation guide (not part of this manual).
Optional Wi-Fi Connectivity
The Gree Vireo+ system can be upgraded for Universal Wi-Fi Technology by purchasing the optional Wi-Fi Kit (Model WSBEC02). This kit allows control of the unit via smartphones or tablets with Wi-Fi access.

Figure 2: An example of a component, possibly related to the Wi-Fi module or internal electronics, which enables advanced features and connectivity for the Gree Vireo+ system.
Operating Instructions
Your Gree Vireo+ unit offers various modes and settings for optimal comfort. All functions are easily controlled via the wireless infrared remote controller or an optional wired controller.
Key Features and Modes
- I FEEL Mode: This advanced mode senses the temperature around the remote controller and adjusts the airflow and temperature to maintain maximum comfort in your immediate vicinity.
- Intelligent Pre-heating (Heating Mode): To prevent cold drafts, the system delays the fan operation until the indoor coil has warmed sufficiently, ensuring only warm air is distributed.
- Airflow Adjustment: Vertical swing louvers can be adjusted in multiple directions, including a continuous sweep, to ensure even temperature distribution throughout the room.
- Sleep Modes: Three distinct sleep modes automatically adjust the temperature during the night to promote a comfortable and undisturbed rest.
- Fan Speeds: Choose from four different fan speeds to balance comfort and quiet operation.
Maintenance
Regular maintenance ensures the efficiency and longevity of your Gree mini split system. Always turn off the power supply to the unit before performing any maintenance.
General Maintenance Tips
- Filter Cleaning: Regularly clean the air filters in the indoor unit to maintain optimal airflow and air quality. Refer to the full user manual for specific cleaning instructions and frequency.
- Outdoor Unit: Keep the area around the outdoor unit clear of debris, leaves, and other obstructions to ensure proper airflow.
- Professional Inspection: Schedule periodic professional inspections and servicing to ensure all components are functioning correctly and to prevent potential issues.
Troubleshooting
Before contacting customer support, review the following common issues and their potential solutions.
Common Issues
- Unit Not Turning On: Check the power supply and circuit breaker. Ensure the remote control batteries are not depleted.
- Insufficient Cooling/Heating: Verify that the air filters are clean. Ensure no obstructions are blocking the indoor or outdoor unit's airflow. Check if the correct operating mode (Cool/Heat) is selected and the temperature setting is appropriate.
- Unusual Noises: Minor operational noises are normal. If you hear loud or unusual sounds, turn off the unit and contact a qualified technician.
- Water Leakage: Check the condensate drain line for blockages. Ensure the indoor unit is properly leveled.
For more detailed troubleshooting, consult the comprehensive user manual or contact Gree customer support.
Specifications
Detailed technical specifications for the Gree 18,000 BTU 20 SEER Ductless Mini Split Air Conditioner Heat Pump.
| Feature | Detail |
|---|---|
| Brand | GREE |
| Model Number | VIR18HP230V1B |
| Capacity | 18,000 BTU / 1.5 Tons |
| Seasonal Energy Efficiency Ratio (SEER) | 20 |
| Voltage | 230 Volts |
| Power Source | Corded Electric |
| Installation Method | Split System |
| Sound Level | 55 Decibels |
| Refrigerant | R 410A |
| Special Feature | WiFi Enabled (with optional kit) |
| Item Weight (Indoor Unit) | 6.25 pounds (approximate, may vary) |
| Product Dimensions (Indoor Unit) | 11.8 x 8.8 x 38.2 inches |
| Product Dimensions (Outdoor Unit) | 27.6 x 15.6 x 37.6 inches |
| Color | White |

Figure 3: Table detailing the dimensions of various Gree Vireo+ indoor and outdoor units by BTU capacity. For the 18,000 BTU model, the indoor unit measures 11.8" x 8.8" x 38.2" and the outdoor unit measures 27.6" x 15.6" x 37.6".
Warranty and Support
For warranty information, please refer to the documentation included with your product or visit the official Gree website. For technical support, troubleshooting assistance beyond this manual, or to inquire about service, please contact Gree customer service directly.
Manufacturer: GREE
Contact Information: Please refer to the official Gree website or product packaging for the most current contact details.





