User Manual

Display and operation units
Room thermostats
Wall-mounted
75
Siemens Switzerland Ltd www.siemens.com/gamma 2020
Smart Infrastructure
1
Room thermostat for temperature and air quality control with KNX
communications, AC 24 V, VAV heating and cooling 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
monitor, electrical heater enabled, fault contact, presence detector
 1 input DC 0...10 V for damper position feedback, for CO2 sensor
 Operating modes: Comfort, Economy and Protection
 Modulating PI control
 Control depending on the room or the return air temperature and air quality
 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
Data sheet
N3192
Operating voltage
AC 24 V
Power consumption
2 VA
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 mode with Synco 700)
Analog inputs, number
2
Analog outputs
VAV actuator, electric heater, valve
Analog outputs, number
1
Analog output, signal
DC 0...10 V
Analog output, current
1 mA
Digital inputs, number
1
Triac outputs
VAV actuator, valve, el. heater
2-position, PWM, 3-position
Triac outputs, number
1
Triac output, switching voltage
24 V
Triac output, switching current
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
RDG405KN
Stock no.
Product no.
S55770-T348
RDG405KN