Siemens RDG400 manual Summary, Brief description, Types and features, Applications, Features

Page 5

 

2

Summary

 

2.1

Brief description

 

 

Applications

Single-duct system

 

Single-duct system with electrical heater

 

Single-duct system and radiator / floor heating

 

Single-duct system with heating / cooling coil

Features

Two multifunctional inputs and one digital input for keycard contact, external

 

sensor, etc.

 

Operating modes: Comfort, Energy Saving and Protection

 

Automatic or manual heating/cooling changeover

 

Adjustable commissioning and control parameters

 

Minimum and maximum setpoint limitation

 

Backlit LCD

 

AC 24 V operating voltage

 

Modulating PI / P control

 

Output DC 0 … 10 V

 

Output signal inversion as an option

 

Output on/off, PWM or 3-position control

 

Adjustable minimum and maximum limitation of air flow output signal

 

Maintain room temperature via built-in temperature sensor or external room

 

temperature / return air temperature sensor

 

Automatic or manual changeover between heating and cooling mode

 

Select applications via DIP switches

 

Select operating mode via the operating mode button on the thermostat

 

Display current room temperature or setpoint in °C and/or °F

 

Minimum and maximum setpoint limitation

 

Button lock (automatic and manual)

 

One digital input, freely selectable for:

 

Operating mode switchover contact (key card)

 

Automatic heating/cooling changeover contact

 

Electrical heater enable

 

Fault input

 

Two multifunctional inputs, freely selectable for:

 

Operating mode switchover contact (key card)

 

Automatic heating/cooling changeover sensor

 

External room temperature or return air temperature

 

Dewpoint sensor

 

Electrical heater enable

 

Fault input

 

Floor heating temperature limit

 

Reload factory settings for commissioning and control parameters

2.2Types and features

 

P

roduct no.

Operating voltage

Number of control outputs

 

LCD backlight

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON/OFF

PWM

3-pos

DC 0 … 10 V

 

 

 

 

 

 

 

 

 

 

 

 

RDG400

AC 24 V

1 1)

1 1)

1 1)

 

1

 

 

1) Either ON/OFF, 3-position or PWM (triac outputs)

 

 

 

 

 

 

 

 

 

 

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Siemens

RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation

 

CE1P3182en

Building Technologies

Summary

 

 

 

 

 

 

28 May 2009

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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 … 10Modulating electrical heater Single duct with electrical heaterSequences Modulating radiator / floor heating Single duct with radiator or floor heatingModulating heating / cooling coil Single duct with heating / cooling coilControl sequence Synchronization Control outputsControl output for air flow ON/OFF control signal Position control SignalPosition actuator Parameter P44 Y1 and Y2AI/DI Multifunctional input, Digital inputDIP switches Handling of faultsTemperature out RangeChange the parameters as follows Parameter settingControl parameters 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 General DimensionsMechanical design Power supply Outputs Inputs Operational data Technical dataPage Automatic heating/cooling changeover Index