Siemens Flush Mounted Room Thermostats RDF340 24V AC (0-10V) Modulating

Operating Voltage AC 24V
Power Consumption 8VA
Frequency 50/60 Hz
Set point setting and range 20 mm
Comfort 21 ºC (5…40ºC)
Economy 15ºC/30ºC (OFF, 5…40ºC)
Protection 8ºC/OFF (OFF, 5…40ºC)
Operation As per IEC 60721-3-2
Climatic conditions Class 3K5
Temperature 0…50 °C
Humidity <95% r.h.
Backlit LCD YES
Housing front color RAL 9003 white

RDF340 Siemens Thermostat 24V AC (0-10V) Modulating

For use with 2-pipe, 2-pipe with el. heater and 4-pipe fan coil units.

Operating modes: Comfort, Economy and Protection

Automatic or manual fan speed control

Automatic or manual heating/cooling changeover

Adjustable commissioning and control parameters


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