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Siemens
RDG400KN,RGD405KN Basic documentation
CE1P3192en
Building Technologies
2017-02-17
2. Summary
2.1 Types
Type
Features
Operating
voltage
Number of control outputs
Backlit
LCD
On/Off
PWM
3-pos
DC
0…10 V
VAV
control via
KNX
LTE-Mode
IAQ
RDG400KN
AC 24 V
1
1)
1
1)
1
1)
1
---
RDG405KN
AC 24 V
1
1)
1
1)
1
1)
1
1) Selectable: On/Off, PWM or 3-position (triac outputs)
2.2 Ordering
Order valve actuators separately.
2.3 Functions
VAV systems
via On/Off or modulating control outputs or KNX LTE-Mode:
∂
Single-duct system
∂
Single-duct system with electric heater
∂
Single-duct system and radiator/floor heating
∂
Single-duct system with heating/cooling coil
The room thermostats are delivered with a fixed set of applications.
The required application is selected and activated during commissioning using one
of the following tools:
∂
Synco ACS
∂
ETS
∂
Local DIP switch and HMI
∂
Operating modes: Comfort, Economy (energy saving) and Protection
∂
Output for VAV box/air damper/VAV compact controller: DC 0…10 V/3-position
(triac)/KNX LTE-Mode
∂
Output for heating/cooling coil: On/Off, PWM or 3-position (triac)/DC 0...10 V
∂
Output signal inversion as an option (DC 0...10 V
⇓
DC 10...0 V)
∂
Automatic or manual heating/cooling changeover
∂
Backlit LCD
∂
AC 24 V operating voltage
∂
Indoor air quality (IAQ) control loop with external CO
2
/VOC sensor (DC 0...10 V
or KNX LTE- and S-Mode)
∂
Window contact (RDG405KN)
∂
Presence detector (RDG405KN)
∂
Receive temperature via bus (RDG405KN)
∂
Selectable DC input (RDG405KN)
Product No.
Stock No.
Description
RDG400KN
S55770-T165
Room thermostat
RDG405KN
S55770-T348
Room thermostat
Use
Features
