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Thermostat
RDF302.B
Manual
Siemens RDF302.B Manual
Flush-mounted room thermostats
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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
Copyright
Quality Assurance
Document Use / Request to the Reader
Target Audience, Prerequisites
Glossary
Summary
Types
Ordering
Functions
Integration Via Modbus
Equipment Combinations
Accessories
Functions
Temperature Control
Operating Modes
Different Ways to Influence the Operating Mode
Room Temperature Setpoint
Description
Setting and Adjusting Setpoints
Applications Overview
Applications for Universal Systems
Additional Functions
Control Sequences
Sequences Overview (Setting Via Parameter P01)
2-Pipe Fan Coil Unit
2-Pipe Fan Coil Unit with Electric Heater
4-Pipe Fan Coil Unit
Chilled / Heated Ceiling and Radiator Applications
Compressor Applications
Setpoints and Sequences
Control Outputs
Overview
Control Outputs Configuration (Setting Via DIP Switches or Modbus Commissioning Tool)
Fan Control
Multifunctional Input, Digital Input
Handling Faults
Modbus RTU Mode
Fault Function on Modbus
Communication Objects
Overview
Description of Communication Objects
Control Parameters
Parameter Setting Via Local HMI
Parameter Setting / Download Via Modbus Communication Tool
Parameters of the "Service Level
Parameters of the "Expert Level with Diagnostics and Test
Handling
Mounting and Installation
Commissioning
Operation
Disposal
Connection
Connection Terminals
Connection Diagrams
Mechanical Design
General
Dimensions
Technical Data
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Integration Via Modbus
2
Temperature Control
3
Modbus Rtu Mode
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RDF302, RDF302.B
Flush-mounted room thermostats with RS485
Modbus communications
RDF302, RDF302/VB, RDF302.B
Basic documentation
Edition 1.6
CE1P3079en
2022-06-17
RDF302/VB
Smart Infrastructure
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Summarization of Contents
About this document
Before You Start
Covers copyright, quality assurance, and document usage guidelines.
Target Audience and Prerequisites
Defines the intended readers and necessary prior knowledge for the manual.
Glossary
Provides definitions for technical terms used throughout the document.
Summary
Types and Ordering
Details the available product types and how to order them.
Functions Overview
Provides a summary of the thermostat's key features and capabilities.
Functions
Temperature Control
Explains how the thermostat regulates room temperature using various sensors and outputs.
Operating Modes
Describes the different operating modes like Comfort, Economy, and Protection.
Room Temperature Setpoint
Details how to set and adjust room temperature setpoints for different modes.
Applications Overview
Introduces the various applications the thermostat supports and how to configure them.
Control Sequences
Explains the different heating/cooling control sequences based on application and parameters.
Control Parameters
Covers the adjustment and setting of various control parameters for performance optimization.
Handling
Mounting and Installation
Provides instructions for physically mounting and installing the thermostat.
Commissioning
Guides through the process of setting up and configuring the thermostat for use.
Operation
Explains how to operate the thermostat, including button functions and display.
Disposal
Information on the environmentally sound disposal of the device.
Connection
Connection Terminals
Details the function of each terminal on the thermostat for wiring.
Connection Diagrams
Illustrates typical wiring configurations for various applications.
Mechanical Design
General
Describes the physical construction and components of the thermostat.
Dimensions
Provides detailed physical dimensions of the thermostat in millimeters.
Technical Data
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