1. Introduction
This manual provides essential instructions for the safe and efficient operation, setup, and maintenance of your Gre RBR75 Wet Runner PLUS Cordless Robotic Pool Cleaner. Please read this manual thoroughly before using the product and retain it for future reference.
1.1 Safety Information
- Ensure the pool cleaner is fully charged before initial use.
- Always remove the cleaner from the pool before charging.
- For correct operation, the pool must not have a slope greater than 15%. Exceeding this slope may affect cleaning performance.
- Keep children and pets away from the pool area during operation.
- Do not operate the cleaner if any part is damaged. Contact customer support for assistance.
2. Product Overview
The Gre RBR75 Wet Runner PLUS is a cordless, rechargeable robotic pool cleaner designed for above-ground pools up to 50 m2. Its exclusive 2-wheel traction system ensures excellent mobility and comprehensive cleaning.

Image 2.1: The Gre RBR75 Wet Runner PLUS robotic pool cleaner, showcasing its compact, grey and blue design.
Equipped with 12 turbines, this robot effectively vacuums both leaves and the smallest particles, ensuring optimal pool cleanliness. Its battery-powered, cordless design offers freedom of movement without tangled cables.

Image 2.2: The Gre RBR75 robotic pool cleaner ready for deployment next to an above-ground pool, highlighting its cordless convenience.
3. Setup
3.1 Initial Charging
Before first use, fully charge the robot's lithium-ion battery. The charging time is approximately 4-5 hours. Use only the provided charger.
3.2 Preparing for Operation
- Ensure the robot is clean and free of debris before placing it in the pool.
- Submerge the robot gently into the pool water. It will sink to the bottom.
- Once submerged, press the illuminated button on the top of the robot to activate it. The illuminated button indicates the robot is ready to begin cleaning.

Image 3.1: A hand pressing the illuminated button on the robot, signaling it is ready for operation in the pool.
4. Operating Instructions
4.1 Starting the Cleaning Cycle
After activation, the Gre RBR75 Wet Runner PLUS will automatically begin its cleaning cycle. It is designed to clean the pool floor.
4.2 Operating Time
The robot has an operating autonomy of approximately 70 minutes on a full charge. After this period, it will automatically stop.
4.3 Cleaning Area and Limitations
The cleaner is suitable for pools up to 50 m2. It is designed to clean pool floors with a maximum inclination of 15%. Operating in pools with steeper slopes may reduce cleaning effectiveness.

Image 4.1: The cleaning zone of the robot, illustrating its capability to clean pool floors with an inclination of up to 15%.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your pool cleaner.
5.1 Filter Cleaning
The Gre RBR75 Wet Runner PLUS features a dual filter system. After each cleaning cycle, or as needed, remove and clean the filters to maintain suction efficiency. Rinse the filters thoroughly with a hose to remove collected debris.

Image 5.1: The disassembled filter components of the Gre RBR75, demonstrating ease of access for cleaning.

Image 5.2: The robot on the pool floor, highlighting its dual filter system and 75-minute operating time for effortless cleaning.
5.2 Storage
When not in use, store the robot in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the battery is partially charged before long-term storage.
6. Troubleshooting
If you encounter issues with your Gre RBR75 Wet Runner PLUS, refer to the following common solutions:
- Robot not moving or stopping prematurely: Check battery charge level. Ensure the filters are clean and not clogged. Verify no debris is obstructing the wheels or turbines.
- Poor cleaning performance: Clean the filters thoroughly. Ensure the pool water chemistry is balanced. Confirm the pool slope does not exceed 15%.
- Robot not turning on: Ensure the battery is fully charged. Press the power button firmly.
For persistent issues, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Gre |
| Model Number | RBR75 |
| Product Dimensions (L x W x H) | 35 x 35 x 18.5 cm |
| Item Weight | 3.25 Kilograms |
| Color | Grey & Blue |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Power Source | Electric power (Battery) |
| Battery Type | 2 Lithium-ion (included) |
| Lithium Battery Energy Content | 5.2 Milliampere-hour (mAh) |
| Battery Weight | 1.65 Kilograms |
| Charging Time | 4-5 hours |
| Operating Autonomy | 70 minutes |
| Suction Flow Rate | 80 L/H |
| Power | 27W |
| Capacity (Debris Collection) | 4 Liters |
| Installation Type | Robotic |
| Control Method | On-device button |
| Assembly Required | No |
| Special Feature | Efficient |
8. Warranty and Support
8.1 Warranty Information
The Gre RBR75 Wet Runner PLUS comes with a Limited Warranty. The availability of spare parts in the EU is guaranteed for 2 years from the date of purchase.
8.2 Customer Support
For technical assistance, warranty claims, or to inquire about spare parts, please refer to the contact information provided with your purchase documentation or visit the official Gre website.





