SCN-RTC20.02 - Uncategorized MDT - Free user manual and instructions
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| Product Type | KNX Room Temperature Controller |
| Model | SCN-RTC20.02 |
| Brand | MDT |
| Dimensions (H x W x D) | Approx. 90 x 90 x 40 mm |
| Weight | Approx. 150 g |
| Power Supply | KNX bus voltage (21-32 V DC) |
| Power Consumption | < 1 W (via KNX bus) |
| Display | Backlit LCD with touch interface |
| Control Type | Touch buttons and rotary encoder |
| Main Functions | Temperature regulation, setpoint adjustment, operating mode selection (Comfort, Standby, Night, Frost), fan coil control |
| Temperature Measurement | Internal NTC sensor |
| Temperature Setpoint Range | 7°C to 40°C |
| KNX Communication | TP-256 (twisted pair) via bus terminal |
| Mounting | Flush-mount in wall box (Ø 55 mm) |
| Protection Class | IP20 |
| Operating Temperature | -5°C to +45°C |
| Storage Temperature | -25°C to +70°C |
| Housing Material | Polycarbonate (PC), white |
| Maintenance & Cleaning | Wipe with a dry, soft cloth; avoid solvents |
| Safety | Complies with EN 50491, EN 60730 |
| Spare Parts & Repairability | Spare parts not available; device must be replaced if defective |
| General Information | For indoor use only; professional installation required |
Frequently Asked Questions - SCN-RTC20.02 MDT
What is the power supply requirement for the MDT SCN-RTC20.02?
The device is powered directly via the KNX bus at 21-32 V DC. No additional power supply is needed.
How do I mount the thermostat?
Mount the device in a standard flush-mount wall box with a diameter of 55 mm. Connect the KNX bus wires to the terminal.
Can I use the device with a fan coil unit?
Yes, the SCN-RTC20.02 supports fan coil control via KNX communication objects. It can regulate speed and valve position.
What operating modes are available?
The thermostat offers Comfort, Standby, Night, and Frost Protection modes. These can be selected via the touch interface or bus commands.
How do I clean the device?
Use a dry, soft cloth to wipe the surface. Do not use liquid cleaners, abrasives, or solvents.
Is the device compatible with other KNX products?
Yes, the SCN-RTC20.02 is fully KNX certified and interoperable with any KNX system from other manufacturers.
What is the temperature measurement range?
The internal sensor measures from 0°C to 40°C with an accuracy of ±0.5°C. The setpoint range is 7°C to 40°C.
Can I use an external temperature sensor?
The device has a built-in sensor but can also process external sensor values via KNX objects for floor or outdoor temperature.
How do I reset the device to factory settings?
Press and hold the Back and Menu buttons simultaneously for 5 seconds until the display resets. All parameters return to default.
What should I do if the display is not working?
Check the KNX bus connection and ensure the bus voltage is present. If the issue persists, the device may need to be replaced.
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USER MANUAL SCN-RTC20.02 MDT
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Product information
Brand : MDT
Model : SCN-RTC20.02
Category : Uncategorized