Catalog

Room automation
Desigo RX
Communicating room thermostats
4-67
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Siemens Switzerland Ltd
Building Technologies Division
4
Data sheet N3192
Operating voltage AC 24 V
Setpoint setting range 5…40 °C
Analog inputs‚ number 2
Analog input‚ signal NTC 3k
DC 0...10 V
Digital inputs‚ number 1
Analog outputs‚ number 1
Analog outputs VAV actuator‚ electric heater‚ valve
Analog output‚ signal DC 0...10 V
Analog output‚ current Max. ±1 mA
Triac outputs‚ number 1
Triac outputs VAV actuator‚ valve‚ el. heater
2-position‚ PWM‚ 3-position
Triac output‚ switching voltage AC 24 V
Triac output‚ switching current Max. 1 A
Type of fixing Wall mounting with screws
Degree of protection IP30
Dimensions (W x H x D) 93 x 128 x 30.8 mm
Communication Bus: KNX (S-mode and LTE mode with Synco 700)
Stock No. Product No.
S55770-T165 RDG400KN
Room thermostat with KNX communications‚ AC 24 V‚ VAV heating and cool-
ing systems
- KNX communications
- 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
- 2 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 mon-
itor‚ electrical heater enabled‚ fault contact
- 1 input DC 0...10 V for damper position feedback
- Operating modes: Comfort‚ Economy 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
RDG400KN