Samson 5476 User Manual

Automation System 5400Heating and District Heating ControllerTROVIS 5476Mounting andOperating InstructionsEB 5476 EN®Electronics from SAMSON Firmware

1.4 Displaying dataMeasured values, set points, times-of-use, public holidays and vacation periods as well as tem-peratures of the connected sensors a

12.5 Customer dataStationOperatorRelevant SAMSON officeSystem code numberFunction block settings0123456789101112 13 14 15 16 17 18 19 20 21 22 2324 25

Function block parameters Range of valuesPump lag time (FB10 = ON) 1 x TYto 10 x TYHysteresis (FB10 = AUS) 1 to 30 °CMax. system deviation (FB11 = ON)

Function block parameters Range of valuesMaximum limit (FB31= ON) 0.1 to 6000 kWMaximum limit for heating (FB31 = ON) 0.1 to 6000 kWMaximum limit for

Parameters Range of valuesSet-back difference – – 0 to 50 °CMax. flow temperature 20 to 130 °CMin. flow temperature 20 to 130 °CSet-back difference 0

Parameters Range of valuesReturn flow limitation temperatureduring DHW heating20 to 90 °CHeat exchanger inlet temp. limit 20 to 130 °CSolar circuit

Time schedules for DHW circuit and circulation pumpDHW circuit Circulation pumpStart – Stop (1) Start – Stop (2) Start – Stop (1) Start – Stop (2)Mond

106 EB 5476 ENAppendixKey number 1732

EB 5476 EN 107Appendix

Index4-point characteristic . . . . . . . . . . . . . . . 42AAdaptation . . . . . . . . . . . . . . . . . . . . . . 47Automatic mode. . . . . . . . .

IInstallationPanel mounting. . . . . . . . . . . . . . . . . 74Top hat rail mounting . . . . . . . . . . . . 74Wall mounting . . . . . . . . . . . . .

1.5 Setting the controller timeThe current time and date need to be set immediately after start-up and after a power failurelasting longer than 24 hou

SSensor calibration . . . . . . . . . . . . . . . . . 20Sensor failure . . . . . . . . . . . . . . . . . . . . 64Set-back operationpriority through .

EB 5476 EN 111

112 EB 5476 ENFig. 11 · Level structure of TROVIS 5476orOperating level(refer to section 1 foroperation)orParameterlevel(refer to section 2)orConfigur

SAMSON AG · MESS- UND REGELTECHNIKWeismüllerstraße 3 · 60314 Frankfurt am Main · GermanyPhone: +49 69 4009-0 · Fax: +49 69 4009-1507Internet: http://

1.6 Setting the times-of-useTwo times-of-use can be set for each day of the week. If only one time-of-use is required, thestart and stop times of the

Select datapoint for times-of-use.Display:Activate editing mode for times-of-use.Display: 1–7Select period/day for which the times-of-use are to beval

1.6.1 Entering public holidaysOn public holidays, the times-of-use specified for Sunday apply. A maximum of 20 public holi-days may be entered.The pub

1.6.2 Entering vacation periodsDuring vacation periods, the controller constantly remains in the reduced operating mode. Thesystem is monitored for fr

Deleting vacation periods:Select the vacation period you wish to delete in the datapoint for vacation periods.Confirm selection.Select– – – –.Delete v

2 Start-up2.1 Setting the system code number10 different hydraulic schematics are available. Each system configuration is represented by asystem code

Proceed as follows:Switch to the parameter level.Display shows: Time, blinksSwitch to the configuration level.Display shows: Current system code numbe

2.3 Changing parametersDepending on the set system code number and the activated functions, not all parameters listedin the parameter list in the Appe

Disclaimer of liabilityWe are constantly developing our products and therefore, reserve the right to change the prod-uct or the information contained

2.5 Calibrating sensorsThe connected sensors are calibrated in the configuration level. The following applies:4FB16 = ON, select “P1000“: Pt 1000 and

Return flow sensor (RüF2)Solar circuit collector sensor (CF)Flow sensor (VF2)Storage tank sensor (SF1–SF2)Flow sensor in DHW circuit (VF3)Activate edi

3 Manual operationHeating circuit and DHW circuit (Anl 9: underfloor heating circuit) can be set to manual modeat their operating mode selector switch

4 Systems10 hydraulic schematics are available.System code number (Anl)123456789* 11Heating Outdoor temperature dependent flow temperature control wit

System Anl 1Default settingsFB13 = OFF Without RFFB20 = ON With RüF1Systems24 EB 5476 EN

System Anl 2Default settingsFB13 = OFF Without RFFB20 = ON With RüF1FB14 = ON With SF1FB15 = OFF Without SF2SystemsEB 5476 EN 25

System Anl 2, setting different from default setting · With switch valveSetting different from default setting: FB9 = ON, select “US“FB13 = OFF Withou

System Anl 2, setting different from default setting · With solar systemSetting different from default setting: FB15 = ON, select “CF“FB13 = OFF Witho

System Anl 3Default settingsFB13 = OFF Without RFFB20 = ON With RüF1FB14 = ON With SF1FB15 = ON, select “---“ With SF2FB27 = OFF Without VF3Systems28

System Anl 3, setting different from default setting · With solar systemSetting different from default setting: FB15 = ON, select “CF“FB13 = OFF Witho

Contents1 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61.1 Operating elements. . . . .

System Anl 4Default settingsFB13 = OFF Without RFFB20 = ON With RüF1FB21 = OFF Without RüF230 EB 5476 ENSystems

System Anl 4, setting different from default setting · With solar systemSetting different from default setting: FB15 = ONFB13 = OFF Without RFFB15 = O

System Anl 5Default settingsFB13 = OFF Without RFFB20 = ON With RüF1FB14 = ON With SF1FB15 = ON, select “---“ With SF2FB21 = OFF Without RüF2Systems32

System Anl 5, setting different from default setting · With solar systemSetting different from default setting: FB15 = ON, select “CF“FB13 = OFF Witho

System Anl 6Default settingsFB13 = OFF Without RFFB20 = ON With RüF134 EB 5476 ENSystems

System Anl 7Default settingsFB13 = OFF Without RFFB20 = ON With RüF1FB14 = ON With SF1FB15 = OFF Without SF2EB 5476 EN 35Systems

System Anl 8Default settingsFB13 = OFF Without RFFB20 = ON With RüF1FB14 = ON With SF1FB15 = ON With SF2FB27 = OFF Without VF336 EB 5476 ENSystems

System Anl 9Default settingsFB13 = OFF Without RFFB20 = ON With RüF1FB14 = ON With SF1FB15 = OFF Without SF2EB 5476 EN 37Systems

System Anl 9, setting different from default setting · With solar systemSetting different from default setting: FB15 = ON, select “CF“FB13 = OFF Witho

System Anl 11Default settingsFB13 = OFF Without RFFB20 = ON With RüF1FB14 = ON With SF1FB15 = ON With SF2FB21 = OFF Without RüF2FB27 = OFF Without VF3

5.10 Pump management . . . . . . . . . . . . . . . . . . . . . . . . . . 485.11 Potentiometer input . . . . . . . . .

5 Functions of the heating circuitWhich controller functions are available depends on the selected system code number (Anl).5.1 Weather-compensated co

FunctionWE ConfigurationOutdoor temperature – Current input OFF FB18 = ON0: 0 to 20 mA = –20 to 50 °C4: 4 to 20 mA = –20 to 50 °C5.1.1 Gradient charac

5.1.2 4-point characteristicThe 4-point characteristic allows you to define your own heating characteristic.It is defined by 4 points for theOutdoor t

ParametersWE WE* Range of valuesMin. flow temperature 20 °C 20 °C 20 to 130 °C* Default setting applies to system Anl 9, floor heating5.2 Fixed set po

5.4 Deactivation depending on outdoor temperature5.4.1 OT deactivation value in rated operationIf the outdoor temperature during rated operation excee

FunctionWE ConfigurationSummer mode OFF01.0630.0918 °CFB3 = ONStart summer mode / 01.01 to 31.12Stop summer mode / 01.01 to 31.12Outdoor temperature l

have been activated.Refer to page 78 onwards for the wiring diagrams of the room panels.FunctionsWE ConfigurationRoom sensor RF OFF FB13 = ONPotentiom

5.8 Flash adaptationThe function is only active in automatic mode ( ).Direct reactions to deviations in room temperature can be achieved using the fun

5.10 Pump managementThe Pump management function can be used for the heating circuit (circulation pump UP1). Thebinary outputs BA8 and BA9 should alwa

6 Functions of the DHW circuit6.1 DHW heating in the storage tank systemStart storage tank chargingThe controller begins charging the storage tank whe

9.1 Controller with RS-232-C port . . . . . . . . . . . . . . . . . . . . . 679.2 Controller with serial RS-485 interface . . .

DHW heating from the primary circuit (Anl 4):The control valve opens depending on theDHW temperaturefrom its closed position.Stop storage tank chargin

6.2 DHW heating in the storage tank charging systemStart storage tank chargingThe controller begins charging the storage tank when the water temperatu

Stop storage tank chargingThe controller stops charging the storage tank when the water temperature in the storage tankmeasured at sensor SF1 reaches

6.3 DHW heating with solar system (Anl 2, 3, 4, 5 und 9)The systems Anl 2, 3, 4, 5 and 9 include a solar system for DHW heating. In these systems, the

6.5 Circulation pump operation during storage tank chargingWith the setting FB26 = ON, the circulation pump continues operation according to the pro-g

Once a parallel pump operation cycle has been activated and the time forStop parallel opera-tionhas elapsed, system deviations greater than 5 °C cause

Set-back differenceby set-back of the current flow temperature.The amount of time in which the priority for the DHW circuit is given is set in thePrio

7 System-wide functions7.1 Automatic summer time/winter time changeoverThe clock is automatically adjusted on the last Sunday in March at 2.00h and on

The measured temperature reading (return flow temperature) and the set point reading (flowtemperature of the heating, charging temperature) blink to i

7.5 Condensate accumulation controlActivate the Limitation of the system deviation for OPEN signal function to start up condensateaccumulation plants,

1 OperationThe controller is ready for use with the temperatures and operating schedules preset by themanufacturer.On start-up, the current time and d

7.7 On/off controlThe flow temperature can be controlled by an on/off signal. The controlled valve is openedwhen the flow temperature falls below the

Note!The function cannot be selected in systems Anl 4, 5 and 9 with solar system and in systemAnl 11 with VF3.7.10 Flow rate/capacity limitationFlow r

FunctionsWE ConfigurationCurrent input for flow ratemeasurementOFF FB22 = OFFFlow rate or capacity limitation OFF500 pulse/h1.0500 pulse/h1.0FB23 = ON

switches were set to “Night mode” or Heating circuit(s) deactivated” or “DHW heating un-changed”.FunctionWE ConfigurationLocking manual levels OFF FB3

8 Operational faultsMalfunctions or faults are indicated by the icon blinking on the display.8.1 Sensor failureThe following list explains how the con

8.3 Temperature monitoringShould a deviation arise in a control circuit that is greater than 10 °C for longer than 30 min-utes, the bit D12 is automat

Example of a transfer to the control system:The error status register is transferred as a word <w> in a holding register (HR) whose value iscalc

9.1 Controller with RS-232-C portThe system bus connection is located at the back of the controller housing (RJ-12 jack).In this case, the controller

FunctionsWE ConfigurationModem operation OFF8 bit30 min5 min5 minPULS–FB44 = ON8 bit/16 bitCyclical initialization In* / 0 to 255 minDialing pause to

If you wish to use more than 32 devices in line or need to bridge greater distances, make surerepeaters (e.g. TROVIS 5482) are installed to replicate

1.1.2 Operating switchesHeating circuit mode selector switchAutomatic mode with switchover betweenrated operation and reduced operation or standby mod

Modem time-out (t0)When the controller connects to the GLT but without addressing a Modbus data point, the con-nection is closed after the time specif

Note!A 15 V DC supply voltage (+15 V at terminal 15 connected to the meter bus connection terminal3) can be used at the WMZ connection of TROVIS 5476

for details on which listed heat meters fulfill this criterion and can be used for limitation pur-poses.In case of battery-operated heat meters in par

FunctionWE ConfigurationFlow rate limitation OFF2.0mh32.0mh32.0mh32.0mh31.0FB30 = ONAt/---Maximum limit / 0.01 to 650mh3Maximum limit for heating* / 0

Parameter*WE Range of values* Parameter only needs setting with FB31 = ON, select “At“9.5 Memory moduleThe use of a memory module (accessory no. 1400-

EB 5476 EN 75InstallationFig. 9 · InstallationPanel mountingWall mountingTop hat rail mountingBack of thecontroller2Controller housing21Dimensions in

11 Electrical connectionCaution!For electrical installation, you are required to observe the relevant electrotechnical regulationsof the country of us

Connecting the sensorsCables with a minimum cross-section of 2 x 0.5 mm² can be connected to the terminals at theback panel of the housing.Connecting

Systems Anl 1 to 3System Anl 478 EB 5476 ENElectrical connectionOption:Type 5244Type 5257-5Potentiometer1 to 2 kΩ1)Free2)For 0 to 20 mA50 Ω connected

Systems Anl 5 to 7System Anl 8EB 5476 EN 79Electrical connectionOption:Type 5244Type 5257-5Potentiometer1 to 2 kΩ1)Free2)For 0 to 20 mA50 Ω connected

1.2 Operating modesDay mode (rated operation)Regardless of the programmed times-of-use, the set points relevant for rated operation are usedby the con

System Anl 9System Anl 1180 EB 5476 ENElectrical connectionPotentiometer1 to 2 kΩ1)Free2)For 0 to 20 mA50 Ω connected inparallelOption:Type 5244Type 5

12 Appendix12.1 Function block listFB Function WE Anl Comments0 Optimization OFF FB0 = ON: Optimization active; when FB0 = ON also FB13 =ON1 Adaptatio

FB Function WE Anl Comments9 Parallel pumpoperationOFF 2, 3,9FB9 = ON: Parallel pump operationSelect (Anl 2 and 9):PU: Parallel pump operationUS: Oper

FB Function WE Anl Comments16 Sensor selection OFF All FB16 = ON; select: P1000: Pt 1000 and Pt 100 sensors*ntc: NTC and Pt 100 sensors*FB16 = OFF: PT

FB Function WE Anl Comments22 Current input forflow ratemeasurementOFF All FB22 = ON: Current input activeSelect: 0: 0 to 20 mA signal feedforwarding4

FB Function WE Anl Comments29(5)Meter bus OFF All FB29 = ON: Meter bus communication activatedFunction block parameters WMZ 1 to 3:Meter bus address /

FB Function WE Anl Comments36(12)to43(19)BE8toBE1All FB36 to 43 = ON: Binary input in error status registerSelect: StEIG: Fault indicated by rising ed

12.2 Parameter listDisplayParameter designationRange of values (default values)Gradient, flow0.2 to 3.2 (1.8)Level, flow–30 to 30 °C (0 °C)4-point cha

DisplayParameter designationRange of values (default values)4-point characteristic, flow temperatureFlow temperatures of the points 2, 3, 4 are marked

DisplayParameter designationRange of values (default values)Maximum flow temperature20 to 130 °C (90 °C)Minimum flow temperature20 to 130 °C (20 °C)Se

1.3 DisplayDuring operation, the display indicates the current time as well as information about the opera-tion of the controller. The times-of-use ar

DisplayParameter designationRange of values (default values)Reduced room set point0 to 40 °C (17 °C)Sustained temperature0 to 40 °C (15 °C)Gradient of

DisplayParameter designationRange of values (default values)Min. return flow temperature20 to 90 °C (65 °C)Can only be set after entering the key numb

DisplayParameter designationRange of values (default values)System Anl 9, underfloor heating circuitGradient, flow0.2 to 3.2 (0.8)Level, flow–30 to 30

DisplayParameter designationRange of values (default values)4-point characteristic, flow temperatureFlow temperatures of the points 2, 3, 4 are marked

DisplayParameter designationRange of values (default values)Times-of-use for underfloor heating circuit–> section 1.6DHW heatingDHW heating ON20 to

DisplayParameter designationRange of values (default values)DHW heating OFF20 to 90 °C (50 °C)With systems Anl 2, 3, 5, 7, 8, 9 and 11with two storage

DisplayParameter designationRange of values (default values)Heat exchanger inlet temperature limit20 to 130 °C (120 °C)Time schedule for DHW heating–&

DisplayParameter designationRange of values (default values)Solar charging OFF20 to 90 °C (70 °C)Station address (ST-NO)1 to 247, 8 bit (255)1 to 99

12.3 Sensor resistance tablesResistance values with PTC resistorsType 5224 Outdoor Temperature Sensors, Type 5264 and Type 5265 Flow and Return FlowTe

12.4 Technical dataInputs7 configurable inputs for sensors (Pt 100 and PTC orPt 100 and Pt 1000 or Pt 100 and NTC) or binary alarms1 outdoor temperatu