Siemens RDQ411MB Manual

Fan coil room thermostat (Modbus RTU server)
RDQ411MB
A6V15081400_en--_a
2024-09-18
For 2-pipe and 4-pipe fan coil units
● Support of communication protocol 'Modbus RTU server'
●
One multi-functional input (X1) for keycard contact or external sensor
●
LCD backlit display and keylock function
●
Operating mode button: Comfort, Protection, and Economy (3-second long-press
in Comfort)
● 'M' button:
– For 2-pipe applications: Heating, cooling, ventilation
– For 4-pipe applications (auto): Automatic heating/cooling changeover,
ventilation
– For 4-pipe applications (manual): Heating, cooling, ventilation
●
3-speed fan control (automatic or manual) via fan button
●
Display of either room temperature, setpoint or bus temperature
● Support of Chinese standard conduit boxes (max. 78 × 78) ≥ 45 mm (±2) deep
and British metal standard conduit boxes (max. 75 × 75) ≥ 47 mm (±2) deep
●
Adjustable commissioning and control parameters
智能基础设施集团