Siemens RDG400 Basic Documentation

Room thermostat with display, for vav
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Room Thermostat with Display, for VAV
RDG400
Basic Documentation
Edition: 1.0
CE1P3182en
28 May 2009
Building Technologies

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Summary of Contents for Siemens RDG400

  • Page 1 Room Thermostat with Display, for VAV RDG400 Basic Documentation Edition: 1.0 CE1P3182en 28 May 2009 Building Technologies...
  • Page 2: Table Of Contents

    4.8.2 4.10 4.11 4.12 4.12.1 4.12.2 Index 2 / 42 Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Table of contents About this document ... 3 Revision history... 3 Reference documents ... 3 Before you start... 3 Copyright... 3 Quality assurance ...
  • Page 3: About This Document

    RDG400 RDG400 1.3.1 This document may be duplicated and distributed only with the express permission of Siemens, and may be passed only to authorized persons or companies with the required technical knowledge. 1.3.2 These documents were prepared with great care.
  • Page 4: Document Use / Request To The Reader

    • From the support team at headquarters there is no local point of contact Siemens assumes no liability to the extent allowed under the law for any losses resulting from a failure to comply with the aforementioned points or for the improper compliance of the same.
  • Page 5: Summary

    – Electrical heater enable – Fault input • Floor heating temperature limit • Reload factory settings for commissioning and control parameters Product no. RDG400 1) Either ON/OFF, 3-position or PWM (triac outputs) Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies...
  • Page 6: Equipment Combinations

    (only available in AP, UAE, SA and IN) Electromotoric ON/OFF actuator Thermal actuator (for radiator valve) Thermal actuator (for small valves 2.5 mm) 6 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Summary Equipment combinations Data Product no. Sheet QAH11.1...
  • Page 7: Accessories

    Adapter plate 112 x 130 mm for surface wiring When ordering, please indicate product no. and description: E.g. RDG400 room thermostat Order valve actuators separately. The room thermostat is designed for the following types of system: VAV systems via ON/OFF or modulating control outputs: •...
  • Page 8: Functions

    Concurrent display of Concurrent display of the current temperature or setpoint in °C and in °F °C and °F (parameter P07) is possible. 8 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions Functions Temperature control...
  • Page 9: Operating Modes

    – protected against overheating (factory setting OFF, can be enabled or changed via P66) Operating mode button The behavior of the operating mode button can be selected via parameter P02: Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions...
  • Page 10: Setpoints

    (heating or cooling). This means no protective heating or cooling function and thus risk of frost in the heating mode or risk of overheat in cooling mode! 10 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions...
  • Page 11: Setpoints And Sequence

    Single duct with min/max limitation Comfort mode Application Single duct with electrical heater Single duct with radiator Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions Setpoints and sequence CoolProt HeatEco CoolEco Comfort mode Cooling mode Energy Saving...
  • Page 12: Energy Saving Mode

    W=Setpoint in Comfort mode HeatEco/Prot CoolEco/Prot YR = Radiator sequence YE = El. heater sequence YHC = Heat/cool coil sequence 12 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions Comfort mode Cooling mode = Setpoint heating in Energy Saving or Protection mode...
  • Page 13: Applications Overview

    • 3-position damper actuator and DC 0…10 V heating /cooling Heating or heating/cooling valve actuator YV damper actuator YE Electrical heater Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions Applications overview B1 Return air temperature sensor or external...
  • Page 14: Additional Features

    M Operating mode The QAH11.1 cable temperature sensor for automatic heating/cooling changeover Remote heating/ cooling changeover can be replaced by an external switch for manual, remote changeover: 14 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions Additional features Changeover TR [°C]...
  • Page 15 The condensation symbol The input must be commissioned accordingly (P38, P40, P42). See section 4.9 “Multifunctional input”. Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions QAH11.1 3076Z03 T °C...
  • Page 16 • Extend presence: 0.00…+9:30 in steps of 30 minutes; symbol • Extend absence: 0.00…–9:30 in steps of 30 minutes; symbol or During the extended presence / absence period, timer symbol Function User operating mode selection 16 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions Operating Function Operating mode...
  • Page 17: Control Sequences

    Notes 1) Changeover air 2) Changeover water; heat/cool coil 3) The controller operates in heating AND cooling mode. P01 is not available Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions Control sequences Applications and sequences...
  • Page 18: Control Outputs Overview (Setting Via Dip 4 / 5 And Parameters P46 / P47)

    • 1 = VAV box : 3-position control signal For details concerning connection of peripheral devices and setting of the DIP switches please refer to the mounting instructions, M3182 [3]: 18 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions...
  • Page 19: Single Duct

    Note The diagrams show the PI controller’s proportional part only. Setting the sequence and the control outputs Refer to sections 4.5 (applications), 4.7.1 (sequences) and 4.7.3 (outputs). Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions Single duct TR [°C]...
  • Page 20: Single Duct With Electrical Heater

    Note: The diagrams show the PI controller's proportional part only. Setting the sequence and the control outputs Refer to sections 4.5 (applications), 4.7.1 (sequences) and 4.7.3 (outputs). 20 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions Single duct with electrical heater TR [°C]...
  • Page 21: Single Duct With Radiator Or Floor Heating

    Vmin Note: The diagrams show the PI controller's proportional part only. Setting the sequence and the control outputs Refer to sections 4.5 (applications), 4.7.1 (sequences) and 4.7.3 (outputs). Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions Single duct with radiator or floor heating TR [°C]...
  • Page 22: Single Duct With Heating / Cooling Coil

    Note: The diagrams show the PI controller's proportional part only. Setting the sequence and the control outputs Refer to sections 4.5 (applications), 4.7.1 (sequences) and 4.7.3 (outputs). 22 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions Single duct with heating / cooling coil TR [°C]...
  • Page 23: Control Outputs

    Different control output signals are available depending on the configuration of outputs thermostat via DIP switches 4 & 5, and parameters P46 & P47. Control output Product No. RDG400 4.8.1 DC 0..10 V The demand calculated by the PI control from the current room temperature and control signal setpoint is provided to the valve actuator as a continuous DC 0...10 V signal via...
  • Page 24: Control Output For Electrical Heater, Radiator And Heating / Cooling Coil

    AC 24 V Y1 G DC 0 ... 10 V K... 5.7 kW max. RDG400 Signal converter SEM61.4 (see data sheet N5102) Current valve SEA45.1 (see data sheet N4937) Safety "chain", e.g. safety thermostat and high-temperature cut-out Very fast-acting fuse Overcurrent trip F...
  • Page 25 For electric heaters, set the running time to 90 sec. In order to avoid burn-off of mechanical contacts by frequent switching, use a current valve instead of a relay or contactor. Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies...
  • Page 26: Multifunctional Input, Digital Input

    X1 is factory-set to “External sensor” (1), X2 to “Heating/Cooling changeover” (2), and D1 to Operating mode changeover (3). For more information see section 4.5 “Applications”. 26 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions Multifunctional input, Digital input Description No function.
  • Page 27: Handling Of Faults

    M3182 [3]. Note During startup, the thermostat reloads the control parameter factory settings after each change of DIP switch setting. Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions Handling of faults...
  • Page 28: Control Parameters

    The factory setting for the control parameters can be reloaded via parameter P71, by changing the value to “ON”, and confirming by pressing the right button. The display shows “8888” during reload. 28 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions Control parameters Press left + right button simultaneously >3sec, release,...
  • Page 29: 4.12.1 Parameters Service Level

    Maximum setpoint in Comfort mode Energy Saving heating setpoint Energy Saving cooling setpoint Button lock function Note Parameter display depends on selected application and function Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions Factory setting Range When 2-pipe /...
  • Page 30: 4.12.2 Parameters Expert Level, Diagnostics & Test

    Temporary setpoint Comfort (see also Comfort setpoint P08) Reload factory settings Note P46: Setting to 2-position or 3-position is done with DIP 4 30 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Functions Factory setting Range 0.5 … 6 K 0.5 …...
  • Page 31 Application type X1 status X2 status D1 status Test mode for checking the Y1/Y2 actuator direction (press left button to escape) Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Functions Factory setting Range Diagnostics 0:= --- (No application) 1:= Single-duct 2:= Single-duct with el.
  • Page 32: Handling

    • We recommend to review the setpoints and setpoint ranges (parameters Setpoint and setpoint range limitation P08…P12) and change them as needed to achieve maximum comfort and save energy 32 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Handling Handling Mounting and installation •...
  • Page 33: Operation

    Press left + right button >3sec, release, then press right button >3sec Press left button + right button 3sec, release, press left button 3sec, then rotate rotary knob counter-clockwise min ½ rotation Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Handling Operation Effect, description...
  • Page 34: Disposal

    The relevant national legal rules are to be adhered to. Regarding disposal, use the systems setup for collecting electronic waste. Observe all local and applicable laws. 34 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Handling 9 10...
  • Page 35: Engineering

    Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Engineering Engineering Connection terminals G, G0 Operating voltage AC 24 V Y10/G0 Control output for DC 0…10 V actuator SELV Y1/G, Y2/G Control output for 2-position, PWM or 3-position actuators X1, X2 Multifunctional input for temperature sensor (e.g.
  • Page 36: Connection Diagrams

    M3182. Application: Single-duct DC 0…10 V damper actuator Room thermostat RDG400 S1..S3 Switch (keycard, window contact, etc.) B1, B2 Temperature sensor (return air temperature, external room temperature, changeover sensor, etc.) Application: Single-duct with electrical heater, radiator or heating / cooling DC 0…10 V damper actuator...
  • Page 37: Mechanical Design

    The housing engages in the mounting plate and is secured with 2 screws on the left side. Operation see section 5.2. Dimensions in mm 128.0 Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Mechanical design Mechanical design General Dimensions 28.5...
  • Page 38: Technical Data

    Built-in room temperature sensor Measuring range Accuracy at 25 °C Temperature calibration range Settings and display resolution Setpoints Current temperature value displayed 38 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Technical data Technical data Temperature sensor input Type Digital input...
  • Page 39 Immunity Safety class Pollution class Degree of protection of housing General Connection terminals Housing front color Weight Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation Building Technologies Technical data conformity N474 C-tick conformity to Reduction of hazardous substances As per IEC 721-3-3 Class 3K5 0 ...50 °C...
  • Page 40: Index

    Fault, handling ... 27 Floor heating... 15 Floor heating limitation function... 15 Heat/cool changeover... 26 Heating mode ... 17 40 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies Index Integral action time ... 8 LCD display ... 34 LCD, backlit ... 5 Manually select heating or cooling mode ...
  • Page 41 41 / 42 Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation CE1P3182en Building Technologies 28 May 2009...
  • Page 42 Building Technologies Division International Headquarters Gubelstrasse 22 CH-6301 Zug Tel. +41 41-724 24 24 Fax +41 41-724 35 22 www.buildingtechnologies.siemens.com 42 / 42 Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation Building Technologies © 2009 Siemens Switzerland Ltd Subject to change CE1P3182en 28 May 2009...

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