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RDG400 | Room thermostat, AC 24 V, VAV heating and cooling systems | Siemens

Output DC 0…10 V for VAV actuator and auxiliary output ON/OFF, PWM or 3-position or 3-position for VAV actuator and auxiliary output DC 0...10 V
3 multifunctional inputs for keycard contact, external room / return air temperature (1x, QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact
Operating modes: Comfort, Energy Saving and Protection
Modulating PI control
Control depending on the room or the return air temperature
Automatic or manual heating / cooling changeover
Adjustable commissioning and control parameters
Minimum and maximum setpoint limitation
Minimum and maximum limitation of air flow signal
Output signal inversion (DC 0...10 V) as an option
Backlit display

Application selectable:

Single-duct system
Single-duct system with electrical heater
Single-duct system and radiator / floor heating
Single-duct system with heating / cooling coil

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Documents and manuals

Siemens RDG400 Documents

Technical specification Datasheet(Wall-mounted room thermostat with LCD RDG400)Datasheet(Commercial VAV Thermostat RDG400 Submittal Sheet)Basic documentation(Room Thermostat with Display. for VAV
RDG400)Declaration of conformity(CE Declaration RDG1xx. RDG400)Declaration of conformity(UK Declaration of conformity for RDG100. RDG100T. RDG110. RDG400. RDG160T)Declarations and Certificates( RCM Declaration RDG100)Declarations and Certificates(Test report in dependence on EN 10204 (type 2.2) - Thermostats)Environmental Declaration(Room thermostat with KNX RDG100KN. RDG400KN. Wall-mounted room thermostat RDG100. RDG100T. RDG100T/H. RDG110. RDG140. RDG160. RDG400)Mounting instruction(Room thermostat RDG400)Operating Instructions(Room thermostat RDG400) More Info

Overview

Details for RDG400

Room thermostat, AC 24 V, VAV heating and cooling systems

Output DC 0…10 V for VAV actuator and auxiliary output ON/OFF, PWM or 3-position or 3-position for VAV actuator and auxiliary output DC 0...10 V3 multifunctional inputs for keycard contact, external room / return air temperature (1x, QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contactOperating modes: Comfort, Energy Saving and ProtectionModulating PI controlControl depending on the room or the return air temperatureAutomatic or manual heating / cooling changeoverAdjustable commissioning and control parametersMinimum and maximum setpoint limitationMinimum and maximum limitation of air flow signalOutput signal inversion (DC 0...10 V) as an optionBacklit displayApplication selectable:Single-duct systemSingle-duct system with electrical heaterSingle-duct system and radiator / floor heatingSingle-duct system with heating / cooling coil

Output DC 0…10 V for VAV actuator and auxiliary output ON/OFF, PWM or 3-position or 3-position for VAV actuator and auxiliary output DC 0...10 V
3 multifunctional inputs for keycard contact, external room / return air temperature (1x, QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact
Operating modes: Comfort, Energy Saving and Protection
Modulating PI control
Control depending on the room or the return air temperature
Automatic or manual heating / cooling changeover
Adjustable commissioning and control parameters
Minimum and maximum setpoint limitation
Minimum and maximum limitation of air flow signal
Output signal inversion (DC 0...10 V) as an option
Backlit display

Application selectable:

Single-duct system
Single-duct system with electrical heater
Single-duct system and radiator / floor heating
Single-duct system with heating / cooling coil

Specifications

Ambient temperature, operation: 0…50 °C
Analog output, current: 1 mA
Analog output, signal: DC 0...10 V
Analog outputs: VAV actuator, electric heater, valve
Degree of protection: IP30
Dimensions (W x H x D): 5.04 x 1.21 x 3.66 in
Frequency: 50/60 Hz
Measuring range, temperature: 0…49 °C
Mounting: Wall mounting with screws
Mounting position: Wall mounting
Operating voltage: 24 VAC
Positioning signal: DC 0...10 V, 3-position
Power consumption: 2 VA
Setpoint setting range: 5…40 °C
Switching differential: Heating: 0.5…6 K; Cooling: 0.5…6 K
Triac output, switching current: 1 A
Triac output, switching voltage: 24 V
Triac outputs: VAV actuator, valve, el. heater , 2-position, PWM, 3-position