Building Technologies

Room Thermostat with Display, for VAV RDG400

Basic Documentation

Edition: 1.0

CE1P3182en

28 May 2009

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Siemens RDG400 manual Building Technologies, Edition CE1P3182en 28 May

Contents

Edition CE1P3182en 28 May Building Technologies Table of contents Revision history About this documentReference documents Before you start Document use / request to the reader Features Types and featuresSummary Brief description Equipment combinations Use AccessoriesOrdering SSA81 SSP81… SSB81 SSD81 SQS85… Functions Temperature controlGeneral note Described in section Operating modes Comfort mode Energy Saving Protection mode Setpoints Setpoints and sequence Comfort mode Energy Saving Protection mode ApplicationSingle duct With min/max Limitation Single duct With Electrical Heater Heating mode Cooling mode Single duct Comfort mode Energy Saving mode ApplicationProtection mode Heating mode Cooling mode With heating Cooling coil Applications overview Additional features External / return air Temperature sensorFloor heating Limitation function Button lock Sec after the last adjustmentLocked or unlocked by pressing the right button for 3 sec Comf Extension Prot Absence Not available Eco Parameter P01 = Sequence Mode Sequences overview setting via parameter P01Control sequences Applications and sequences Single-duct heating / cooling coil Function of the control outputs is set via DIP switches 4DIP Y10 = … 10 10 … 0 V inverted Position Single duct Setting the sequence and the control outputsHeating or cooling Modulating control 3-position, PWM or DC 0 … 10 Sequences Single duct with electrical heaterModulating electrical heater Modulating radiator / floor heating Single duct with radiator or floor heating Control sequence Single duct with heating / cooling coilModulating heating / cooling coil Control output for air flow Control outputsSynchronization ON/OFF control signal Position control SignalPosition actuator Parameter P44 Y1 and Y2 AI/DI Multifunctional input, Digital input DIP switches Handling of faultsTemperature out Range Control parameters Parameter settingChange the parameters as follows Service level Parameters Service level Expert level Parameters Expert level, diagnostics & test Diagnostics & test Wiring Mounting and installationHandling Mounting Layout OperationButton operation User action LCD display Disposal Connection terminals Engineering Connection diagrams Mechanical design DimensionsGeneral Power supply Outputs Inputs Operational data Technical dataPage Automatic heating/cooling changeover Index