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
Functions
Control sequences
4
A6V11545892_en--_b
69 | 170
Application mode (via
bus)
State
changeover/continuous
heating or cooling
Control sequence state
(ACS diagnostic value)
Auto (0)
Heating
Heating
Cooling
Cooling
Heat (1), (2), (8)
Heating
Heating
Cooling
Heating
Cool (3), (5)
Heating
Cooling
Cooling
Cooling
Night purge (4),
Fan only (9)
Heating
Heating
Cooling
Cooling
With a 4-pipe, 2-pipe with electric heater, and 2-pipe with radiator application, the
control sequence state is based on the application mode and heating/cooling
demand.
Application mode (via
bus)
Heating/cooling demand
Control sequence state
(ACS diagnostic value)
Auto (0)
Heating
Heating
No demand
Heating/cooling
depending on last active
sequence
Cooling
Cooling
Heat (1), (2), (8)
Heating
Heating
No demand
Heating
Cooling
Heating
Cool (3), (5)
Heating
Cooling
No demand
Cooling
Cooling
Cooling
Night purge (4),
Fan only (9)
No temperature control
active
Heating/cooling based on
last active sequence
The diagram below shows the control output value as a function of room
temperature for heating and cooling:
Wheat = Current heating
setpoint
Wcool = Current cooling setpoint
TR = Room temperature
Heating and cooling










