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
Overview
Functions
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● Heating and cooling, compressor in DX-type equipment
● Heating or cooling/2-stage, compressor in DX-type equipment
● Selectable weekly scheduler
● Master/slave function between thermostats
● Room temperature control via built-in temperature sensor or external room
temperature/return air temperature sensor
● Room relative humidity control via built-in humidity sensor (humidity function
can be disabled.)
● Min./max. humidity control by shifting temperature setpoint and releasing
contact for dehumidifier/humidifier
● Delta temperature control
Limiting temperature difference between flow and return temperature for water
to optimize the system and reduce energy consumption in district heating
systems
● Floor heating temperature limitation
● Min. and max. supply air temperature limitation
● Selection of operating modes via operating mode button
● Button lock for all buttons independently (automatically or manually)
● Changeover between heating and cooling mode (automatic via local sensor or
bus, or manually)
● Parameters protected by password (disabled by default)
● Purge function together with 2-port valve
● Valve kick/exercising function to prevent gripping
● Reminder to clean fan filters
● Min. and max. limitation of room temperature setpoint:
– Comfort limitation (min. and max. limitation)
– Energy saving concept (min. and max. limitation separate for heating and
cooling)
● Temporary Comfort mode extension
● Green leaf indication function
● Display of current room temperature or setpoint in ℃, ℉ or both
● Absolute and relative setpoint indication
● Application selection via DIP switches or external commissioning software
(ACS, ETS and Siemens smartphone application PCT Go)
● Parameter download with external commissioning software (ACS, ETS and
Siemens smartphone application PCT Go)
● Reloading factory settings for commissioning and control parameters
● 1-speed, 3-speed or DC 0...10 V fan control on RDG200KN and RDG260KN
(automatic or manual fan)
● Advanced fan control function, e.g. fan kick, fan start delay, selectable fan
operation (enable, disable, depending on heating/cooling mode, or min. and
max. speed setting)
● Fan start depending on fan coil temperature (heating) to avoid cool air while
heating
● Enabling fan output only in the 2
nd
stage (2-pipe/2-stage)
● Switching fan speed from manual to automatic in the dead zone to avoid
energy waste (selectable function)
Setpoints and display
Setting
Fan
General functions