Room thermostats with knx communications (150 pages)
Summary of Contents for Siemens RDQ411MB
Page 1
Fan coil room thermostat (Modbus RTU server) RDQ411MB 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 ●...
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Mounting bracket to fit onto a square conduit box with Chinese standard conduit boxes (max. 78 × 78) ≥ 45 mm (±2) deep and British metal standard conduit boxes (max. 75 × 75) ≥ 47 mm (±2) deep. Siemens A6V15081400_en--_a Smart Infrastructure...
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"timer with delay Off" mode. Fan button for: Enter parameter setting ● Fan speed selection ● Screen unlock (press and hold down the button for 3 seconds) Operating mode The following operating modes are available: Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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Type summary Product no. Stock Operating Control outputs Multi- Description voltage type functional input On/Off On/Off (3- Sensor wire) speed card √ √ √ √ √ RDQ411MB S55770 AC 230 V Room -T518 thermostat Modbus Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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Ordering When ordering, specify both product number / stock number and name: e.g., RDQ411MB / S55770-T518 Room thermostat Modbus. Order valve actuators and external sensors separately. Equipment combinations On/Off actuators Type of units Product number Data sheet* Electromotive On/Off valve and MVI.../MXI...
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(Document ID: A6V15113831 ) enclosed with the thermostat. WARNING Device damage Carefully read all wiring diagrams prior to installation to avoid damage to the device caused by incorrect wiring of high or low voltages. Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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When the internal sensor is not working properly, is displayed. The thermostat enters Protection mode. When P30 is set to 1 but the external sensor is broken or not connected, is displayed, and the thermostat continues to work on the internal sensor. Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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1 = Setpoint 2 = Bus temperature Minimum setpoint in Comfort 5 °C 5 °C...P10 (not included) Maximum setpoint in Comfort 35 °C P09 (not included) ...40 °C Heating setpoint in Economy 15 °C Off, 5 °C...WcoolEco Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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Delete all personal data and dispose of the item(s) at separate collection and recycling facilities in accordance with local and national legislation. For additional details, refer to Siemens information on disposal. Open source software (OSS) Software license overview...
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=> 'Siemens Security Advisories' Warranty Technical data on specific applications are valid only together with Siemens products listed under "Equipment combinations". Siemens rejects any and all warranties in the event that third-party products are used. Siemens...
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4800, 9600, 19200 (default), 38400 Device address 1...247, 1 (default) Cable length Max. 1200 meters Identity Server Start bit Data bits Parity 0 = Odd 1 = Even (default) 2 = No parity Stop bit Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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Storage as per EN 60721-3-1 Temperature: -5...+50 °C ● Ambient humidity: 5...95 % r.h. (non- condensing) ● Transport (packaged for transport) as per Temperature: -25...+70 °C EN 60721-3-2 ● Ambient humidity: 5...95 % r.h. (non- Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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(A5W01944065A*) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal). *) All documentation can be downloaded from www.siemens.com/bt/download. General Weight (Without box and user document) 168 g Color of housing White RAL9016...
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Multi-functional input for temperature sensor (e.g. QAH11.1) or potential-free switch (keycard) Measuring neutral for sensor and switch RS485 Modbus connection RS485 Modbus connection RS485 signal/common ground (differential common) Connection diagrams 2-pipe application, X1 connects external sensor 2-wire valve 3-wire valve Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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2-pipe fan coil unit On/Off (heating or cooling) Heating/cooling valve actuator 3-speed fan Thermostat 4-pipe fan coil units 4-pipe fan coil unit On/Off (heating and cooling) Heating or heating/cooling valve actuator Cooling valve actuator 3-speed fan Thermostat Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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X1 (DI) 0012 0x04 0 = Off 1 = On Fault information 0013 0x04 0: No alarm Any bit set to 1 stands for an alarm or error defined as follows Bit0: (BUS) communication error Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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P15 / Fan control 0009 0x03 0x06 0 = Fan off deadzone in Comfort 1 = Fan speed 1 P16 / Fan operations 0010 0x03 0x06 0 = Disable 1 = Enable Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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× 50 -20...70 °C Heating/cooling/ventilatio 0106 0x03 0x06 0 = Heating n changeover 1 = Cooling 2 = Ventilation System time 0201 0x03 0x10 0000 hhmm 0202 h 0...23 = Hours m 0...59 = Minutes Siemens A6V15081400_en--_a Smart Infrastructure 2024-09-18...
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