The Gree Vireo Heat Pump System is a high-wall ductless air conditioning and heating system designed for quiet, energy-efficient comfort in homes and offices. It utilizes Gree's G10 Inverter technology for precise temperature control and energy savings.
Function Description:
The Vireo system provides both cooling and heating functionalities, along with dry, fan-only, and auto modes. It's designed to deliver conditioned air efficiently and quietly, with sound pressure levels starting as low as 26 dB(A). The system features bi-directional airflow control with adjustable vertical swing louvers, allowing for multiple discharge directions to optimize comfort.
Important Technical Specifications:
The manual provides a nomenclature breakdown for various models, indicating cooling capacity, model type, electrical rating, product type, revision level, and style/color designation. For example, a model like VIR24HP230V1BH indicates:
- Series Designation: Vireo (VIR)
- Cooling Capacity: 24 (24,000 BTUH)
- Model Type: HP (Heat Pump)
- Electrical Rating: 230V (208/230V 60Hz 1PH)
- Revision Level: 1
- Product Type: B (Style/Color Designation)
- Product Type: H (Indoor High Wall)
Other cooling capacities listed include 09 (9,000 BTUH), 12 (12,000 BTUH), 18 (18,000 BTUH), 30 (30,000 BTUH), and 36 (36,000 BTUH). Electrical ratings can also be 115V (115V 60Hz 1PH).
Usage Features:
The Vireo system offers a range of features to enhance user comfort and convenience:
- Multi Fan Speeds: Users can select from four fan speeds (Low, Medium, High, or Turbo) in both cooling and heating modes.
- Intelligent Pre-Heating: In heating mode, the system delays the indoor fan until the indoor coil warms up, preventing uncomfortable cool air from being blown into the room.
- I Feel Mode: This feature allows the unit to sense room temperature at the remote controller instead of the indoor unit, adjusting airflow and temperature for personalized comfort and energy savings.
- Adjustable Airflow: Bi-directional airflow control with adjustable vertical swing louvers allows users to direct air in multiple directions.
- Turbo Mode: For rapid cooling or heating, Turbo Mode runs the unit at ultra-high speeds to quickly reach the desired room temperature.
- Freeze Guard: This protection automatically maintains room temperature above 46°F (8°C) to prevent water pipes from freezing.
- Timer Mode: The unit can be programmed to turn ON or OFF after a specific time, adjustable from 0.5 to 24 hours.
- Mode Button: Five operating modes are available: HEAT, COOL, DRY, FAN ONLY, and AUTO. AUTO MODE has fixed setpoints of 68°F (20°C) for heating and 78°F (26°C) for cooling, automatically selecting the appropriate mode to maintain temperature within this band.
- Sleep Mode: Three selectable sleep modes automatically adjust room temperature during sleep to save energy without compromising comfort.
- Traditional Mode - Sleep 1: Slowly relaxes the room set temperature by up to 4°F (2.2°C).
- Expert Mode - Sleep 2: Adjusts room set temperature based on the starting set temperature value.
- DIY Mode - Sleep 3: Allows users to program eight specific room setpoint values for eight hours of run time.
- Energy Savings Mode: Automatically selects optimal compressor and fan speeds in cooling or heating modes to maximize energy efficiency.
- Power Failure Mode: User selections and system parameters are stored in non-volatile memory, allowing the system to resume its last operating mode after a power interruption.
- Intelligent Defrost: In heating mode, the system monitors the outdoor coil for frost buildup and initiates a defrost cycle only when necessary, improving comfort and saving energy.
- Fahrenheit/Celsius Display: The remote controller and indoor unit display can be set to show temperatures in either °F or °C.
- Privacy Lock Mode: The wireless remote controller can be locked to prevent unauthorized access or tampering with system settings.
- Light Button: Allows users to turn the indoor unit's display light ON or OFF.
- Auxiliary Button: In case of a lost or damaged remote controller, the system can be turned ON or OFF directly from the indoor unit's front panel, operating in AUTO Mode.
Maintenance Features:
- Polymeric Air Filter: The unit uses washable, vacuumable, and reusable polymeric mesh filters that prevent indoor coils from getting clogged with dirt and lint, thus saving energy. It is recommended to clean air filters every three months.
- Self-Diagnosis: A built-in computer performs real-time diagnostics, displaying fault codes on the unit to facilitate troubleshooting and repair, thereby prolonging the unit's life.
- Front Panel Cleaning: The front panel can be cleaned with warm water and mild detergent using a soft cloth or brush. Bleach, abrasives, or water above 110°F (45°C) should not be used to avoid discoloration or damage.
Safety Precautions:
The manual emphasizes several safety precautions, including warnings about high voltage electrical components, high refrigerant pressures, and moving parts. It advises against attempting repairs without qualification and stresses the importance of disconnecting electrical power before maintenance or cleaning. It also warns against placing hands or objects into air inlets/outlets, splashing water on the unit during cleaning, or using flammable substances near the unit.
Warranty:
The product comes with a limited warranty:
- Five (5) years on all parts for the original registered end user.
- One (1) year on the remote control.
The warranty applies to systems properly installed by state-certified or licensed HVAC contractors according to applicable codes and instructions. It covers defects in materials or workmanship under normal use and maintenance. Replacement units are provided for confirmed faulty indoor coil, outdoor coil, compressor, reversing valve, or EEV within the first five years. The warranty does not cover labor costs, normal maintenance, failures due to faulty installation, abuse, improper servicing, electrical issues, environmental damage, parts not supplied by Gree, or shipping damage, among other exclusions.
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