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Siemens Manuals
Thermostat
RDG20 KN Series
Basic documentation
Siemens RDG20 KN Series Basic Documentation
Room thermostats, communicating and standalone
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Basic documentation
(180 pages)
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
About this Document
Revision History
Reference Documents
Before You Start
Trademarks
Copyright
Quality Assurance
Document User/Request to the Reader
Target Audience, Prerequisites
Glossary
Overview
Types
Functions
Accessories
Equipment Combinations
Recommended RDG Actuators and 6-Port Valves Combinations
Integration Via KNX Bus
Notes
Mounting and Installation
Commissioning
Operation
Remote Operation
Disposal
Cyber Security Disclaimer
Functions
Temperature Control
Operating Modes
Different Ways to Influence Operating Mode
Communication Examples
Room Temperature Setpoints
Description
Setting and Adjusting Setpoints
Application Overview
Applications for Fan Coil Systems
Applications for Universal Systems
Application for Heat Pump Systems
Power Supply Selection for RDG20
Additional Functions
Sensors and Changeover Functions
Presence Detector
Output Functions
Monitoring and Limiting Functions
User Operation / Indication
Humidity (RDG2
Scheduler
M/S, Manager/Subordinate (RDG2
Preventive Operation
NFC Communication
IAQ - CO2 Monitoring and Control (RDG2
Power Reserve Clock (RDG2
Control Sequences
Sequence Overview (Setting Via P001)
Application Mode
2-Pipe Fan Coil Unit
2-Pipe Fan Coil Unit with Electric Heater
2-Pipe Fan Coil Unit with Radiator or Floor Heating
2-Stage on 2-Pipe/4-Pipe Heating and Cooling
4-Pipe Fan Coil Unit
4-Pipe Fan Coil Unit with Electric Heater
Chilled/Heated Ceiling and Radiator Applications
Compressor Applications
Applications with External AQR Sensor or QMX Room Operator Unit (RDG2
Setpoints and Sequences
Control Outputs
Overview
Control Output Configuration for 6-Port Valve (P201)
Control Output Configuration (Setting Via DIP Switches 7/8 or Tool, and P201/P203/P204/P205)
Fan Control
Multifunctional Input, Digital Input
Handling System Faults
KNX Communications (RDG2
S-Mode
M/S, Manager/Subordinate Configuration in KNX S-Mode
LTE-Mode
Zone Addressing in LTE-Mode (with Synco)
M/S, Manager/Subordinate Configuration in LTE-Mode
Example of Heating and Cooling Demand Zones
Send Heartbeat and Receive Timeout
Startup
Heating and Cooling Demand
Fault and Alarms Function on KNX
Communication Objects (RDG2
Overview
Description of Communication Objects
Communication Objects (LTE-Mode) (RDG2
Control Parameters
Parameter Setting Via Local HMI
Setting/Downloading Parameter Via Tool (RDG2
Service Level Parameters
Expert Level Parameters with Diagnostics and Test
Supported Tools
Ets
Setting Parameters in ETS
ACS Tool
Setting Parameters in ACS
Operation and Monitoring with ACS
Operation and Monitoring with OZW772
PCT Go - Smartphone App
Commissioning Parameter Via PCT Go
Read Live Data Via PCT Go
Connection
Connection Terminals
Connection Diagrams
IAQ - CO2 Connection Diagrams (RDG2
Application Examples
Humidity Control
Relay Functions
Swap Function And/Or Fan in the 2Nd Stage
IAQ -CO2 Control (RDG2
Technical Data
Dimensions
Index
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Mounting and Installation
Download this manual
RDG20..KN.. & RDG26..KN..,
RDG200T, RDG260T
Room thermostats,
communicating and standalone
Basic Documentation
A6V11545892_en--_e
Smart Infrastructure
2023-06-20
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This manual is also suitable for:
Rdg26 kn series
Rdg200t
Rdg260t
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