Siemens RDG400 Basic Manual
With display, for vav
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- Basic documentation (42 pages) ,
- Operating instructions (2 pages) ,
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Summary of Contents for Siemens RDG400
- Page 1 Room thermostat with display, for VAV RDG400 Basic Documentation Edition: 1.4 CE1P3182en Building Technologies 2015-05-20...
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Page 2: Table Of Contents
Parameters of the "Expert level" ............31 4.12.3 Diagnostics and tests................32 Handling ....................33 Mounting and installation ................33 Operation ....................35 Disposal ....................36 Engineering .....................37 Connection terminals ................37 Connection diagrams ................38 Mechanical design ..................39 2/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies Contents 2015-05-20... - Page 3 General ....................39 Dimensions ....................39 Technical data ..................40 Index ......................... 42 3/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies Contents 2015-05-20...
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Page 4: About This Document
Before you start 1.3.1 Copyright 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 Quality assurance This document was prepared with great care. -
Page 5: Document Use/Request To The Reader
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 6: Summary
– Electric heater enable – Fault input · Floor heating temperature limit · Reloading factory settings for commissioning and control parameters · Wizard function to select working temperature unit °C or °F 6/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 7: Types And Features
Electromotoric actuator, DC 0…10 V SQS65.. 4573 (for valves 5.5 mm (0.2")) GQD161.. 4605 GDB161.. 4634 GLB161.. GMA161.. 4614 DC 0…10 V damper actuator GEB161.. 4621 GCA161.. 4613 GBB161.. 4626 GIB161.. 7/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 8: Accessories
Adapter plate 112 x 130 mm for surface wiring ARG70.2 Ordering When ordering, please indicate product no. and description. For example: RDG400 room thermostat Order valve actuators separately. The room thermostat is designed for the following types of system: VAV systems via... -
Page 9: Functions
Concurrent display of Concurrent display of the current temperature or setpoint in °C and °F (parameter °C and °F P07) is possible. 9/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 10: 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: Sequence Remark à Factory setting à à 10/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 11: Room Temperature Setpoints
Protection mode Use control parameters P65 and P66 to adjust the Protection mode setpoints. The heating setpoint is factory-set to 8 °C (46 °F) (frost protection) and to OFF for cooling. 11/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 12: Setpoints And Sequences
CoolEco CoolProt Single-duct with min/max limitation HeatProt HeatEco CoolEco CoolProt Comfort mode Economy Protection mode Application Single-duct with electric heater HeatEco CoolEco HeatProt CoolProt Single-duct with radiator HeatEco CoolEco HeatProt CoolProt 12/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 13: Heating Mode
= setpoint heating in Economy or Protection mode HeatEco/Prot = setpoint cooling in Economy or Protection mode CoolEco/Prot YR = radiator sequence YE = electric heater sequence YHC = heating/cooling coil sequence 13/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 14: Applications Overview
DC 0…10 V heating /cooling On/Off, PWM or 3-position Legend YHC Heating or heating/cooling valve actuator Return air temperature sensor or external room temperature sensor (optional) damper actuator Changeover sensor (optional) Electric heater 14/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 15: Additional Features
The water temperature is acquired at 30-second intervals and the operating state is updated accordingly. M Operating mode Cooling mode Water temperature Heating mode 15/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... - Page 16 X1, X2 or D1. If there is condensation, the cooling valve is fully closed until no more condensation is detected, and the cooling output is disabled temporarily. The condensation symbol is displayed during temporary override. 16/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20...
- Page 17 à à à Comfort Absence Protection Comfort Protection Not available à à Comfort Extension Comfort Economy Comfort Absence Economy Comfort Economy Extension Comfort Economy Economy Absence Economy Comfort Protection Not available 17/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20...
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Page 18: Control Sequences
Single-duct & radiator ü ü ü ü Single-duct with heat/cool coil Changeover air Notes: Changeover water; heating/cooling coil The thermostat operates in heating AND cooling mode. P01 is not available 18/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 19: Control Outputs Configuration (Setting Via Dip 4/5 And Parameters P46/P47)
· 0 = VAV box DC 0…10 V control signal · 1 = VAV box: 3-position control signal For details concerning connection of peripheral devices and setting of the DIP switches, refer to Mounting Instructions M3182 [3]. 19/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 20: Single-Duct
Vmax Max. limitation for output Note: The diagrams show the PI controller’s proportional part only. Setting the sequence and the control outputs Refer to section 4.5, 4.7.1 and 4.7.3 for details. 20/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 21: Single-Duct With Electric Heater
When the electric heater is switched off, the fan overruns for 60 seconds electric heater (parameter P54) to avoid overtemperature of the electric heater or prevent the thermal cutout from responding. 21/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 22: Single-Duct With Radiator Or Floor Heating
Volume flow rate Radiator/floor heating Note: The diagrams show the PI controller's proportional part only. Setting the sequence and the control outputs Refer to section 4.5, 4.7.1 and 4.7.3 for details. 22/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 23: Single-Duct With Heating/Cooling Coil
Cooling sequence Volume flow rate Note: The diagrams show the PI controller's proportional part only. Setting the sequence and the control outputs Refer to section 4.5, 4.7.1 and 4.7.3 for details. 23/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 24: Control Outputs
When the actuator has reached the position calculated by the thermostat, a waiting time of 30 seconds is observed to stabilize the outputs. "Opening" synchronization is available for valve outputs only. Note: 24/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 25: Control Output For Electric Heater, Radiator And Heating/Cooling Coil
RDG400 Signal converter SEM61.4 (see Data Sheet N5102) Current valve SEA45.1 (see Data Sheet N4937) K… Safety loop (e.g. safety thermostat and high-temperature cutout) Very fast-acting fuse F… Overcurrent trip 25/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... - Page 26 For electric heaters, set the running time to 90 seconds. PWM for electric heaters To avoid burn-off of mechanical contacts by frequent switching, use a current valve in place of a relay or contactor. 26/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20...
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Page 27: Multifunctional Input, Digital Input
Exception: 1, 2 or 3 inputs can be configured as alarm inputs (6) X1 is factory-set to "External sensor" (1), X2 to "Heating/cooling changeover" (2), and D1 to "Operating mode changeover" (3). For more details, refer to section 4.5. 27/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 28: Handling Of Faults
For details concerning connection of peripheral devices and setting of the DIP switches, refer to Mounting Instructions M3182 [3]. During startup, the thermostat reloads the control parameter factory settings after Note: each change of DIP switch setting. 28/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 29: Control Parameters
The factory setting for the control parameters can be reloaded via parameter P71, by changing the value to "ON". Confirm by pressing the right button. The display shows "8888" during reloading. 29/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 30: 4.12.1 Parameters Of The "Service Level
1 = auto locked 2 = manual locked ü Parameter available · Parameter display depends on selected application and function Note: · P01 is available for "Single-duct" and "Single duct & heating/cooling coil" only 30/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 31: 4.12.2 Parameters Of The "Expert Level
(see also Comfort setpoint P08) ON = enabled ü Reload factory settings OFF = disabled ON = reload start ü Parameter available Note: P46: Setting to 2-position or 3-position is done with DIP 4 31/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 32: 4.12.3 Diagnostics And Tests
= H/C input open ü Test mode for checking "---" = no signal at outputs Y1 and Y2 actuator direction Y1/Y2 OPE = output Y1 forced opening (press left button to escape) 32/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 33: Handling
· Inputs X1-M, X2-M or D1-GND of different units (e.g. summer/winter switch) may be connected in parallel with an external switch. Consider overall maximum contact sensing current for switch rating · Disconnect power supply before removing the thermostat from the mounting plate! 33/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... - Page 34 · We recommend to review the setpoints and setpoint setting ranges (parameters Setpoint and setpoint setting range limitation P08…P12) and change them as needed to achieve maximum comfort and save energy 34/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20...
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Page 35: Operation
Press left and right button for 3 seconds, Go to parameter setting mode Expert level, release, press left button for 3 seconds, diagnostics and test then turn rotary knob counterclockwise min. ½ rotation 35/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 36: Disposal
Directive 2012/19/EU and may not be disposed of as domestic waste. · Dispose of the device via the channels provided for this purpose. · Comply with all local and currently applicable laws and regulations. 36/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 37: Engineering
Change of setting: Parameters P38, P40 Measuring neutral for sensor and switch D1, GND Multifunctional input for potential-free switch. Factory setting: Operating mode switchover contact Change of setting: Parameter P42 37/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 38: Connection Diagrams
Application: Single-duct DC 0…10 V damper actuator 3-position 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 electric heater, radiator or heating/cooling valve DC 0…10 V damper actuator... -
Page 39: Mechanical Design
For operation details, refer to section 5.2. Dimensions 4.0(0.16’’) 28.5 28.3 28.3 (1.11’’) (1.12’’) (1.11’’) (0.35’’) 4.0(0.16’’) 28.3 28.3(1.11’’) (1.11’’) 128.0 28.3 (5.04’’) 27.7(1.09’’) (1.11’’) 16.0 (0.63’’) 30.8 28.2 27.8 93.0 (3.66’’) (inch).. (1.21’’) (1.09’’) (1.11’’) 39/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... -
Page 40: Technical Data
OFF, 5...40 °C (41...104 °F) Multifunctional inputs X1/X2, digital input D1 Selectable Input X1 Ext. temperature sensor (P38 = 1) Input X2 Changeover sensor (P40 = 2) Input D1 Operating mode switchover (P42 = 3) 40/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20... - Page 41 1 x 0.4…2.5 mm (14 gauge) or 2 x 0.4…1.5 mm (16 gauge) Housing front color RAL 9003 white Weight 0.350 kg The documents can be downloaded from http://siemens.com/bt/download. 41/44 Siemens RDG400 Basic Documentation CE1P3182en Building Technologies 2015-05-20...
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Page 42: Index
Setpoint Protection ..........12 Fault ..............27 Setpoints and sequences ........12 Fault, handling ............ 28 Switching differential ..........9 Floor heating............16 Synchronization ..........24, 26 Floor temperature limitation function ....16 42/44 Siemens Basic Documentation Basic Documentation CE1P3182en Building Technologies 2015-05-20... - Page 43 Temperature out of range ........28 Window contact ..........17 Temporary setpoint ..........11 43/44 Siemens Basic Documentation Basic Documentation CE1P3182en Building Technologies 2015-05-20...
- Page 44 Siemens Switzerland Ltd Building Technologies International Headquarters Gubelstrasse 22 CH-6301 Zug Tel. +41 41-724 24 24 Fax +41 41-724 35 22 © 2009 - 2015 Siemens Switzerland Ltd. www.buildingtechnologies.siemens.com Subject to change 44/44 Siemens Basic Documentation Basic Documentation CE1P3182en Building Technologies...