Connection Diagrams; Mechanical Design; General; Electric Heater Active - Siemens KNX RDG400KN Basic Documentation

Application
Single-duct
Single-duct with
electric heater,
radiator or
heating/cooling
valve
Siemens
Smart Infrastructure
6.2

Connection diagrams

7.

Mechanical design

7.1

General

The room thermostat consists of 2 parts:
· Plastic housing with electronics, operating elements and room temperature
sensor
· Mounting plate with the screw terminals
The housing engages in the mounting plate and is secured with 2 screws.
1
For operation, refer to section 4.3.
RDG400KN,RDG405KN Basic documentation
N1 Room thermostat RDG4..KN
V1 Damper actuator or VAV compact controller:
DC 0...10 V or 3-position,
VAV compact controller KNX
V2 Electric heater, radiator
or heating/cooling valve:
DC 0...10 V, 2-position, PWM or 3-position
S1 Switch (keycard, window contact, etc.)
U1 DC 0...10 V input feedback signal for current
air damper position
DC 0...10 V input for CO
(0...2000 ppm) (RDG405KN)
S3 Switch at SELV input
(keycard, window contact)
B1 Temperature sensor (return air temperature,
external room temperature, changeover
sensor, etc.)
B2 CO sensor (0...2000 ppm) (RDG405KN)
2
CE+ KNX data +
CE- KNX data –
2
4. Operating mode selector/Esc
3
/
VOC sensor
2
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CE1P3192en
2019-04-12