Siemens RDG2 KN Series Basic Documentation

Name: Siemens RDG2 KN Series
Brand: Siemens
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Functions

KNX communications

122 | 180

A6V11545892_en--_c

If the device is set as Subordinate, parameter P259 value needs to be set accordingly.

Select Applications ➙ Plant operation ➙ Settings ➙ Communication, then set parameters P901

and P902.

Table of Contents2
About this Document5
Revision History5
Reference Documents5
Before You Start6
Trademarks6
Copyright6
Quality Assurance7
Target Audience, Prerequisites7
Document User/Request to the Reader7
Glossary8
Overview9
Types9
Functions9
Accessories13
Equipment Combinations13
Integration Via KNX Bus17
Notes19
Mounting and Installation19
Commissioning20
Operation22
Remote Operation24
Disposal24
Cyber Security Disclaimer25
Functions26
Temperature Control26
Operating Modes27
Different Ways to Influence Operating Mode28
Communication Examples34
Room Temperature Setpoints37
Description37
Setting and Adjusting Setpoints38
Application Overview42
Applications for Fan Coil Systems43
Applications for Universal Systems44
Application for Heat Pump Systems45
Power Supply Selection for RDG2046
Additional Functions47
Sensors and Changeover Functions48
Presence Detector49
Output Functions50
Monitoring and Limiting Functions53
User Operation / Indication56
Humidity59
Scheduler62
M/S, Manager/Subordinate64
Preventive Operation68
NFC Communication68
IAQ - CO 2 Monitoring and Control68
Control Sequences75
Sequence Overview (Setting Via P001)75
Application Mode76
2-Pipe Fan Coil Unit78
2-Pipe Fan Coil Unit with Electric Heater79
2-Pipe Fan Coil Unit with Radiator or Floor Heating81
2-Stage on 2-Pipe/4-Pipe Heating and Cooling83
4-Pipe Fan Coil Unit88
4-Pipe Fan Coil Unit with Electric Heater91
Chilled/Heated Ceiling and Radiator Applications93
Compressor Applications96
Applications with External AQR Sensor or QMX Room Operator Unit97
Setpoints and Sequences98
Control Outputs99
Overview99
Control Output Configuration (Setting Via DIP Switches 7/8 or Tool, and P201/P203/P204/P205)103
Fan Control105
Multifunctional Input, Digital Input112
Handling System Faults115
KNX Communications115
S-Mode115
M/S, Manager/Subordinate Configuration in KNX S-Mode116
LTE-Mode119
Zone Addressing in LTE-Mode (with Synco)119
M/S, Manager/Subordinate Configuration in LTE-Mode121
Example of Heating and Cooling Demand Zones123
Send Heartbeat and Receive Timeout123
Startup124
Heating and Cooling Demand124
Fault and Alarms Function on KNX125
Communication Objects126
Overview126
Description of Communication Objects128
Communication Objects (LTE-Mode)134
Control Parameters135
Parameter Setting Via Local HMI135
Setting/Downloading Parameter Via Tool136
Commissioning Parameter Via Smartphone App PCT Go136
Service Level Parameters138
Expert Level Parameters with Diagnostics and Test140
Supported KNX Tools145
Ets145
Setting Parameters in ETS146
ACS Tool148
Setting Parameters in ACS148
Operation and Monitoring with ACS150
Operation and Monitoring with OZW772154
Connection155
Connection Terminals155
Connection Diagrams156
IAQ - CO Connection Diagrams159
Application Examples160
Humidity Control160
Relay Functions163
Swap Function And/Or Fan in the 2Nd Stage165
IAQ - CO 2 Control168
Technical Data170
Dimensions176
Index177

Brand	Siemens
Model	RDG2 KN Series
Category	Thermostat
Language	English

Siemens RDG2 KN Series Basic Documentation

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