Brochure
Heating, ventilation and air conditioning - room temperature control
Room thermostats
Wall-mounted
218
Siemens Switzerland Ltd www.siemens.com/gamma 2021
Smart Infrastructure
7
KNX communicating room thermostat. Outputs modulating (PWM / 3-pos.) or
on/off. Fan coil (3-speed / DC fan), universal applications
KNX communications
Built-in temperature and humidity sensors and control
For applications with 2-position (on/off or PWM) or 3-position control outputs
For applications with 3-speed or DC 0...10 V fan
AC 230V or AC 24V power supply.
3 multifunctional inputs for keycard contact, external room / return air temperature (NTC3K; QAH11.1,
QAA32 or LG-Ni1000 sensors), heat / cool changeover, operation mode changeover, window contact
on/off, dewpoint monitor, electrical heater enabled, fault contact, presence detector
Operating modes: Comfort, Economy and Protection
Automatic or manual DC fan or 1-/3-speed
Automatic or manual heating / cooling changeover
Adjustable commissioning and control parameters
Minimum and maximum setpoint limitation
Backlit display
Green leaf function
Local weekly time program (with 3 Comfort periods per day)
Master / Slave function
Delta temperature control for district heating
Commissioning via Smartphone APP “PCT Go”, local HMI or KNX tools.
Application selectable:
2-pipe system
2-pipe system with electrical heater
2-pipe system and radiator / floor heating
2-pipe 2-stage heating or cooling systems
4-pipe system
4-pipe system with electrical heater
4-pipe / 2-stage heating and cooling system (selectable also for 2-stage cooling / 1-stage heating or 2-
stage heating / 1-stage cooling)
Data sheet
A6V11545853
Operating voltage
AC 24 V
AC 230 V
Setpoint setting range
5…40 °C
Switching differential
Heating: 0,5…6 K
Cooling: 0,5…6 K
Communication
Bus: KNX (S-mode and LTE with Synco)
Analog inputs, number
3
Analog outputs
Fan. 1 (DC 0...10 V)
Analog outputs, number
1
Analog output, signal
DC 0...10 V
Digital inputs, number
3
Relay outputs
Fan: 1- or 3-speed
Relay outputs, number
3
Relay output, switching voltage
AC 24 V or 230 V
Relay output, switching current
5 (4) A
Triac outputs
Valve, el. heater
2-position, PWM, 3-position
Triac outputs, number
4
Triac output, switching voltage
AC 24 V or 230 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)
92 x 134 x 25 mm
RDG200KN
Stock no.
Product no.
S55770-T409
RDG200KN