1. Introduction
The Gree Versati 3 ER01001690 is a 12 kW monobloc air-water heat pump designed for modern hydronic systems. This single-phase unit utilizes R32 refrigerant and integrates heating, cooling, and domestic hot water production into one compact unit. It is suitable for residential applications requiring comprehensive comfort management throughout the year.
The advanced DC Inverter technology allows the unit to modulate its operation based on system demand, optimizing energy consumption and ensuring continuous comfort. The two-stage compressor maintains stable performance across a wide range of outdoor temperatures.
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Gree Versati 3 heat pump. Please read it thoroughly before using the product.
2. Safety Information
Important Safety Instructions: Always follow basic safety precautions to reduce the risk of fire, electric shock, and injury to persons.
- Professional Installation: Installation, maintenance, and repair must be performed by qualified and authorized personnel only. Improper installation can lead to electric shock, fire, water leakage, and other hazards.
- Electrical Safety: Ensure the power supply matches the unit's specifications. Do not operate the unit with wet hands or when standing on wet surfaces. Always disconnect power before servicing.
- Refrigerant Handling: The unit contains R32 refrigerant. Handling of refrigerants must be done by certified technicians. R32 is a mildly flammable refrigerant.
- Children and Pets: Keep children and pets away from the unit during operation and maintenance.
- Clearance: Maintain adequate clearance around the outdoor unit for proper airflow and heat dissipation.
- Water Connections: Ensure all water connections are secure to prevent leaks.
Failure to follow these instructions may result in property damage, personal injury, or death.
3. Product Overview
The Gree Versati 3 ER01001690 is an outdoor monobloc unit designed for efficient climate control. It integrates essential hydraulic components, simplifying installation and system integration.

Figure 3.1: Gree Versati 3 ER01001690 Monobloc Heat Pump.
This image displays the Gree Versati 3 ER01001690 monobloc air-water heat pump outdoor unit. Key features highlighted include the Gree logo, 'Inverter' technology, R32 refrigerant compatibility, and a 12 kW power rating. The unit features a large fan grille on the front and heat exchange coils visible on the side.
Key Features:
- Monobloc Design: Integrates main hydraulic components (inverter pump, plate exchanger, expansion vessel, safety valve, flow switch, and water filter) for simplified installation.
- DC Inverter Technology: Modulates operation based on system demand for optimized energy efficiency.
- R32 Refrigerant: Uses R32 gas with low global warming potential and reduced charge compared to R410A.
- Wide Operating Range: Functions from -25 °C to +35 °C for heating, +10 °C to +48 °C for cooling, and -25 °C to +45 °C for domestic hot water production.
- High Water Temperature: Delivers water up to 60 °C, compatible with radiant floors, hydronic terminals, and medium-temperature radiators.
- Two-Stage Compressor: Ensures stable performance in varying climatic conditions.
- Anti-Corrosion Exchangers: Aluminum-manganese fins with golden epoxy treatment and hydrophilic layer for enhanced protection.
- Touch Control Panel: Allows weekly programming, auto-restart, Quiet function with timer, climatic regulation, and management of external valves.
4. Installation
Professional Installation Required: The Gree Versati 3 heat pump must be installed by a qualified and certified technician in accordance with local regulations and building codes.
4.1 Site Selection
- Choose a location with sufficient space for airflow around the unit and for future maintenance access.
- Ensure the mounting surface is level and strong enough to support the unit's weight.
- Avoid locations where noise might disturb neighbors or where exhaust air could be recirculated.
4.2 Hydraulic Connections
The monobloc structure includes key hydraulic components. Connect the unit to the hydronic system (radiant floors, fan coils, radiators) and the domestic hot water tank (if applicable). Ensure all connections are watertight.
- Install the provided water filter as mandatory.
- Verify proper sizing of pipes and valves according to system requirements.
4.3 Electrical Connections
- Connect the unit to a single-phase power supply as specified in the technical data.
- Ensure proper grounding and install appropriate circuit breakers.
- All electrical work must comply with local electrical codes.
4.4 Initial Startup
After installation, a qualified technician must perform the initial startup, including system purging, leak checks, and functional testing of all modes (heating, cooling, DHW).
5. Operation
The Gree Versati 3 heat pump is controlled via an integrated touch-screen panel. This panel allows users to manage various settings and operating modes.
5.1 Control Panel Overview
The touch-screen panel provides access to:
- Mode Selection: Choose between Heating, Cooling, and Domestic Hot Water (DHW) modes.
- Temperature Setting: Adjust desired water outlet temperature (25 °C to 60 °C).
- Weekly Programming: Set schedules for different operating modes and temperatures throughout the week.
- Quiet Function: Activate a low-noise operation mode, often with a timer.
- Climatic Regulation: Adjust settings based on outdoor temperature for optimal efficiency.
- Auto Restart: The unit will automatically restart with previous settings after a power outage.
5.2 Operating Modes
- Heating Mode: Provides hot water for space heating. Operates from -25 °C to +35 °C outdoor temperature.
- Cooling Mode: Provides chilled water for space cooling. Operates from +10 °C to +48 °C outdoor temperature.
- DHW Mode: Heats water for domestic use. Operates from -25 °C to +45 °C outdoor temperature.
Refer to the detailed instructions in the control panel manual for specific programming and advanced settings.
6. Maintenance
Regular maintenance ensures the longevity and efficient operation of your Gree Versati 3 heat pump. Always disconnect power before performing any maintenance.
6.1 User Maintenance (Monthly/Quarterly)
- Clean Outdoor Unit: Remove any leaves, dirt, or debris from around the outdoor unit to ensure proper airflow.
- Check Water Filter: Inspect and clean the water filter regularly to prevent blockages and maintain hydraulic efficiency.
- Visual Inspection: Check for any visible signs of damage, leaks, or unusual noises.
6.2 Professional Maintenance (Annually)
It is recommended to schedule annual maintenance with a qualified technician. This typically includes:
- Refrigerant Check: Verify refrigerant levels and check for leaks.
- Electrical Connections: Inspect and tighten all electrical connections.
- Coil Cleaning: Thoroughly clean the outdoor unit's heat exchange coils. The anti-corrosion treatment helps, but regular cleaning is still important.
- Pump and Valve Inspection: Check the operation of the inverter pump, safety valve, and other hydraulic components.
- System Performance Test: Evaluate the overall performance of the unit in all operating modes.
7. Troubleshooting
Before contacting technical support, review the following common issues and solutions. For complex problems, always contact a qualified technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit not starting | No power supply; circuit breaker tripped; emergency stop activated. | Check power, reset breaker, disengage emergency stop. |
| Insufficient heating/cooling | Dirty air coils; low refrigerant; incorrect temperature settings; blocked water filter. | Clean coils, check refrigerant (professional), adjust settings, clean water filter. |
| Unusual noise | Loose components; fan obstruction; compressor issue. | Inspect for loose parts or obstructions. If persistent, contact technician. |
| Water leakage | Loose pipe connections; damaged seals; condensate drain blockage. | Check connections, inspect seals, clear drain. Contact technician if leak persists. |
| Control panel error code | System malfunction. | Note the error code and consult the detailed error code list in the full technical manual or contact support. |
8. Specifications
Below are the key technical specifications for the Gree Versati 3 ER01001690 heat pump:
- Brand: Gree
- Model: ER01001690
- Type: Monobloc Air-Water Heat Pump
- Power Output: 12 kW
- Power Supply: Single-phase
- Refrigerant: R32
- Functions: Heating, Cooling, Domestic Hot Water (ACS)
- Heating Operating Range: -25 °C to +35 °C (outdoor temperature)
- Cooling Operating Range: +10 °C to +48 °C (outdoor temperature)
- DHW Operating Range: -25 °C to +45 °C (outdoor temperature)
- Water Outlet Temperature: 25 °C to 60 °C
- Integrated Components: Inverter pump, plate exchanger, expansion vessel, safety valve, flow switch, water filter.
- ASIN: B08DCY2LPK
- First Available on Amazon.it: July 21, 2020
9. Warranty and Support
For warranty information, please refer to the specific warranty card included with your product or contact your authorized Gree dealer. Warranty terms and conditions may vary by region and distributor.
For technical support, service, or spare parts, please contact your local Gree service center or the authorized dealer from whom you purchased the unit. Provide your model number (ER01001690) and serial number when requesting support.







