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LET 210R...380R: Radio receiver for control signals

How energy efficiency is improved
Fused, intelligent solution for adaptive, optimal use of energy.

Areas of application
As a receiver station for radio signals from LRT room thermostats and LXT mode selector radio remote control, as an intelligent unitary controller for each duct and for activation of thermal drives. The switching pulses of the radio thermostats can be assigned individually to particular ducts.

Properties

• Intelligent radio receiver with data storage for heating/cooling in 24 V~ version
• Radio receiver for heating in 230 V~ version
• Reception frequency 868.3 Hz
• With 2 LEDs per duct for visualisation and confirmation of duct allocation
• With emergency function if signal reception fails
• Individual configuration for each duct
• Integrated pump logic for 230 V~ input and potential-free output contact
• Heating/cooling accessory with connection for dew-point monitor

Technical description

• Housing pure white (RAL 9010), versions in 4 to 8 ducts
• Single duct version in standard plastic housing
• Control of thermostat signals with red LED
• Control of radio remote control with green LED
• Max. 2 drives/duct