Siemens RDG400 manual Building Technologies, Edition CE1P3182en 28 May

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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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Contents Edition CE1P3182en 28 May Building TechnologiesTable of contents Revision history About this documentReference documents Before you startDocument use / request to the reader Features Types and featuresSummary Brief descriptionEquipment combinations Use AccessoriesOrdering SSA81 SSP81… SSB81 SSD81 SQS85…Functions Temperature controlGeneral note Described in sectionOperating modes Comfort mode Energy Saving Protection modeSetpoints Setpoints and sequence Comfort mode Energy Saving Protection mode ApplicationSingle duct With min/max Limitation Single duct With Electrical HeaterHeating mode Cooling mode Single duct Comfort mode Energy Saving mode ApplicationProtection mode Heating mode Cooling mode With heating Cooling coilApplications overview Additional features External / return air Temperature sensorFloor heating Limitation functionButton lock Sec after the last adjustmentLocked or unlocked by pressing the right button for 3 sec Comf Extension Prot Absence Not available EcoParameter P01 = Sequence Mode Sequences overview setting via parameter P01Control sequences Applications and sequencesSingle-duct heating / cooling coil Function of the control outputs is set via DIP switches 4DIP Y10 = … 10 10 … 0 V inverted PositionSingle duct Setting the sequence and the control outputsHeating or cooling Modulating control 3-position, PWM or DC 0 … 10Sequences Single duct with electrical heaterModulating electrical heater Modulating radiator / floor heating Single duct with radiator or floor heatingControl 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 Y2AI/DI Multifunctional input, Digital inputDIP switches Handling of faultsTemperature out RangeControl parameters Parameter settingChange the parameters as follows Service level Parameters Service levelExpert level Parameters Expert level, diagnostics & testDiagnostics & test Wiring Mounting and installationHandling MountingLayout OperationButton operation User actionLCD display DisposalConnection terminals EngineeringConnection diagrams Mechanical design DimensionsGeneral Power supply Outputs Inputs Operational data Technical dataPage Automatic heating/cooling changeover Index