Brochure

Heating, ventilation and air conditioning - room temperature control
Room thermostats
Wall-mounted
219
Siemens Switzerland Ltd www.siemens.com/gamma 2021
Smart Infrastructure
7
KNX communicating room thermostat. Outputs modulating (DC) or on/off. Fan
coil (3-speed / DC fan) or universal applications
 KNX communications
 Built-in temperature and humidity sensors and control
 For applications with DC control outputs and DC or 3-speed fan output
 For applications with 2-position control output with DC fan output
 AC or DC 24 V operating voltage
 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
 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
 Adjustable commissioning and control parameters
 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
 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)
 Heating / cooling with 6-port ball valves
Data sheet
A6V11545853
Operating voltage
AC/DC 24 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
Valve, el. heater: 4
Fan: 1 (DC 0...10 V)
Analog outputs, number
5
Analog output, signal
DC 0...10 V
Digital inputs, number
3
Relay outputs
Valve, compressor or el. heater: 2 outputs, 2-
position
Fan: 1- or 3-speed
Relay outputs, number
3
Relay output, switching voltage
AC 24…230 V
Relay output, switching current
5 (4) A
Type of fixing
Wall mounting with screws
Degree of protection
IP30
Dimensions (W x H x D)
92 x 134 x 25 mm
RDG260KN
Stock no.
Product no.
S55770-T412
RDG260KN