1. Product Overview
The Theben RAMSES 811 top3 is a digital clock thermostat designed for time-dependent room temperature monitoring and regulation. This battery-powered version is suitable for On/Off heating systems, zone control, individual room control, and electric radiators. It is ideal for retrofitting and can be mounted on a flush-mounted box or directly on a wall.
Key features include three individually programmable weekly programs, along with comfort, eco, party, and setback functions. A holiday program and a chimney sweep function are also available. An adjustable optimizer ensures the desired temperature is reached at the programmed switching time. An external input allows connection of an alternative floor or room temperature sensor, a window contact, or a presence detector. Control is possible directly on the device or via the free RAMSES top3 app using a local Bluetooth connection, eliminating the need for internet, gateways, or additional routers. The user interface and information display (pump, heating, temperatures) are easily readable on the generous screen or within the app.

Figure 1: Front view of the Theben Ramses 811 top3 Digital Thermostat.
2. Setup and Installation
2.1 Mounting
The RAMSES 811 top3 thermostat can be mounted on a standard flush-mounted box or directly on a wall. Ensure the mounting location is free from direct sunlight, drafts, or heat sources that could affect temperature readings.

Figure 2: The thermostat mounted on a wall.
2.2 Battery Installation
The thermostat is powered by 2 AA batteries (included). To install or replace batteries, carefully remove the front cover of the thermostat. Insert the batteries according to the polarity markings inside the compartment. Replace the cover securely.

Figure 3: Rear view of the thermostat, indicating mounting points and battery access.
2.3 Wiring (Optional External Input)
The thermostat includes an external input for connecting an alternative floor or room temperature sensor, a window contact, or a presence detector. Refer to the wiring diagram for proper connection. For safety, ensure power is disconnected before performing any wiring.

Figure 4: Wiring diagram for external input connections.
3. Operating Instructions
3.1 On-Device Control
The thermostat features a clear display and intuitive buttons for direct control. Use the navigation buttons to adjust settings, select programs, and view current temperatures. The display provides real-time information on pump status, heating activity, and set temperatures.

Figure 5: Thermostat display showing current settings.
3.2 Programming Modes
The RAMSES 811 top3 offers various programming options:
- Weekly Programs: Three individually programmable weekly schedules to match your routine.
- Comfort Mode: Maintains a higher, comfortable temperature.
- Eco Mode: Maintains a lower, energy-saving temperature.
- Party Mode: Allows for temporary temperature adjustments for special occasions.
- Setback Function: Reduces temperature during unoccupied periods.
- Holiday Program: Sets a specific temperature for an extended period, ideal for vacations.
- Chimney Sweep Function: A temporary override for maintenance.
3.3 App Control (Bluetooth)
For convenient control, download the free RAMSES top3 app on your smartphone. The app connects directly to the thermostat via Bluetooth (BLE), eliminating the need for an internet connection, gateways, or additional routers. This local connection enhances security against manipulation.

Figure 6: Controlling the thermostat via the RAMSES top3 app.
4. Maintenance
4.1 Battery Replacement
The thermostat uses 2 AA batteries. When the battery indicator appears on the display, replace the batteries promptly to ensure continuous operation. Refer to section 2.2 for battery installation instructions.
4.2 Cleaning
Clean the thermostat's exterior with a soft, dry cloth. Do not use abrasive cleaners, solvents, or spray directly onto the device, as this may damage the surface or internal components.
5. Troubleshooting
- Thermostat not responding: Check battery levels and replace if necessary. Ensure the thermostat is securely mounted.
- Bluetooth connection issues: If initial pairing with the app is difficult, try restarting both the thermostat (by removing and reinserting batteries) and your smartphone. Ensure Bluetooth is enabled on your device and you are within range.
- Incorrect temperature readings: Ensure the thermostat is not exposed to direct sunlight, drafts, or heat sources. If an external sensor is used, verify its connection.
- Heating system not activating: Check the thermostat's program settings and ensure it is in a heating mode. Verify the wiring connections to the heating system (if applicable, consult a qualified electrician).
If problems persist, contact Theben customer support for assistance.
6. Technical Specifications

Figure 7: Detailed technical specifications.
| Feature | Specification |
|---|---|
| Brand | Theben |
| Model Number | 8119200 |
| Model Name | RAMSES 811 top3 |
| Product Dimensions (L x W x H) | 2.75 x 10.7 x 10.7 cm |
| Item Weight | 250 grams |
| Material | Plastic |
| Power Source | Battery Powered (2 AA batteries included) |
| Voltage | 250 Volts |
| Connectivity Technology | Bluetooth |
| Control Type | Programmable, App Control |
| Included Components | Wall balance, adjustable optimizer |
| Protection Class | IP40 |
| Switching Capacity | 10 A at 250 V AC |
7. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or visit the official Theben website. For technical support, troubleshooting assistance, or spare parts inquiries, please contact Theben customer service directly.
Theben AG Contact Information:
Please visit www.theben.de/en/contact for the most up-to-date contact details.





