Basic Documentation
Table Of Contents
- 1 About this document
- 2 Overview
- 3 Notes
- 4 Functions
- 4.1 Temperature control
- 4.2 Operating modes
- 4.3 Room temperature setpoints
- 4.4 Application overview
- 4.5 Power supply selection for RDG200KN
- 4.6 Additional functions
- 4.7 Control sequences
- 4.7.1 Sequence overview (setting via P001)
- 4.7.2 Application mode
- 4.7.3 2-pipe fan coil unit
- 4.7.4 2-pipe fan coil unit with electric heater
- 4.7.5 2-pipe fan coil unit with radiator or floor heating
- 4.7.6 2-stage heating and cooling
- 4.7.7 4-pipe fan coil unit
- 4.7.8 4-pipe fan coil unit with electric heater
- 4.7.9 Chilled/heated ceiling and radiator applications
- 4.7.10 Compressor applications
- 4.7.11 Applications with external AQR sensor or QMX room operator unit
- 4.7.12 Setpoints and sequences
- 4.8 Control outputs
- 4.9 Fan control
- 4.10 Multifunctional input, digital input
- 4.11 Handling system faults
- 4.12 KNX communications
- 4.12.1 S-Mode
- 4.12.2 Master/slave configuration in KNX S-Mode
- 4.12.3 LTE-Mode
- 4.12.4 Zone addressing in LTE-Mode (with Synco)
- 4.12.5 Master/slave configuration in LTE-Mode
- 4.12.6 Example of heating and cooling demand zones
- 4.12.7 Send heartbeat and receive timeout
- 4.12.8 Startup
- 4.12.9 Heating and cooling demand
- 4.12.10 Fault and alarms function on KNX
- 4.13 Communication objects
- 4.14 Communication objects (LTE-Mode)
- 4.15 Control parameters
- 5 Supported KNX tools
- 6 Connection
- 7 Technical data
- 8 Dimensions
- Index
Technical data
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Multifunctional inputs
Temperature range
-20…70 °C
Temperature sensor input
Type
LG-Ni1000
Temperature range
-40…70 °C
Digital input
Operating action
Selectable (NO/NC)
Contact sensing
DC 0…5 V, max. 5 mA
Insulation against mains
SELV
KNX bus
Interface type
KNX, TP Uart 2 (electrically isolated)
Bus current
5 mA
Bus topology: See KNX manual ("Reference documentation")
Operational data
Switching differential, adjustable
Heating mode (P051)
1 K (0.5…6 K)
Cooling mode (P053)
1 K (0.5…6 K)
P-band Xp
Heating mode (P050)
2 K (0.5…6 K)
Cooling mode (P052)
1 K (0.5…6 K)
Setpoint setting and setpoint range
Comfort mode (P011)
21 °C (5…40 °C)
Economy mode (P019-P020)
15 °C/30 °C (OFF, 5…40 °C)
Protection mode (P100-P101)
8 °C/OFF (OFF, 5…40 °C)
Multifunctional inputs X1/X2/U1
Selectable (0…25)
Input X1 default value (P150)
1 (external temperature sensor, room or
return air)
Input X2 default value (P153)
0 (no function)
Input U1 default value (P155)
3 (window contact)
Built-in room temperature sensor
Measuring range
0…49 °C
Accuracy at 25 °C
< ±0.5 K
Temperature calibration range
±3 K
Built-in humidity sensor
Measuring range
10…90 %
Accuracy (after calibration via P007)
< 5 %










