BL220FTDDu radio Negative pressure monitor set, socket outlet version, flush-mounted

- Modular radio control system for exhaust air devices
- Enables various customised applications by combining different modules
- Control signals are transmitted in the house by radio - the complex cable routing to individual exhaust air systems (extractor bonnet, living room ventilation system, bathroom fan, etc.) does not need to be installed
- Existing installations can also be easily expanded
- High level of safety thanks to DiBt-certified modules
- Various radio transmitters such as window contact switches, temperature sensors and pressure monitors can be conveniently combined with various receivers such as built-in or adapter plug versions.
- Radio frequency: 868 MHz

• Safety system for monitoring the differential pressure between the installation room of the fireplace and the Connecting pieces (chimney) or outside atmosphere
• The exhaust air system, extractor bonnet, etc. is only switched off when the stove is heated and the negative pressure in the chimney is too low or too high in the installation room
• Negative pressure monitor for flush-mounted installation
• Technical data:
- Switching capacity max.: 5 A / 1150 W
- Operating voltage: 230 V / 50 Hz Schuko plug
- Power consumption: 3 W
• Scope of delivery:
- Negative pressure monitor BL220DDu
- Wireless exhaust gas temperature sensor BL220TEMP
- Radio receiver BL220FRX
- Wireless window contact switch BL220FTX