Vemer SRG Bedienungsanleitung

Vemer Gasdetektor SRG

Lesen Sie kostenlos die 📖 deutsche Bedienungsanleitung für Vemer SRG (2 Seiten) in der Kategorie Gasdetektor. Dieser Bedienungsanleitung war für 41 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet

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SRG

TEST

RESET

Mod. SRG

V3IS00461–010

86.7

106.0

50.5

58.0

86.7

50.5

12.0

C S A

+–

1 2 5 6 7 8

15 16 17 8 9 10

3 4 5 5 6 7

300mA max

12V

8A / 250V







 h

 j

User manual

SRG - CENTRAL UNIT FOR GAS DETECTOR

Read all the instructions carefully

 TheSRGisacontrolunitforthecreationofgasdetectionsystemsinareas

suchasboilerrooms,workshops,warehouses,laboratories,etc.Itisdesignedto

workwithprobessuchasCOSensor,CH4SensorandLPGSensor.Itoffersthe

possibilitytocontrolasolenoidvalveoranauxiliarydevice(siren,flasher,etc.)

usinganalarmrelaycontainedinside.ThealarmorfailureisdisplayedbyLED.

SAFETY WARNINGS

To ensure correct installation, you must comply with the following

indications:

1) The device must be installed by a competent person

2) The device must be installed in a panel where, after installation, the terminals

can no longer be accessed

3) In the electrical system up the line from the energy meter there must be a

device to protect against overloads.

4) Connect the instrument following the diagrams shown in this sheet and in the

product marking

5) Before accessing the terminals, make sure the leads to connect to the

instrument are not electrically live

6) Do not power and connect the instrument if any part of it is damaged or

missing.

Code Model Description

VE204400 SRG Gasdetectorwith1connectingsensor

VE205100 CH4 SENSOR Methanedetectionsensor

VE206900 LPG SENSOR LPG sensor

VE207700 CO SENSOR Carbonmonoxidesensor

TECHNICAL CHARACTERISTICS

SRG control unit

• Powersupply:

 −Voltage:12Vac/dc±10%

 −Powerconsumption:~160mA

 −Connection:terminalsof2.5mm

 −Protection:fuse1A5x20mm

• Input:

 −1inputforCH4Sensor(methane),LPGSensor(LPG)orCOSensor(CO)

 −Sensorconnection:terminalsof2.5mm

2C(common),S(signal),A(powersupply)

 −Max.lengthofconnection:50m

 −Cross-sectionoftheleads:1.5mm2

• Output:

 −Alarm:relaywithexchangecontact8A/250VAC

 −Failure:opencollector12Vdc/300mAmax

 −Outputconnection:terminalsof2.5mm

• Luminoussignals: greenLED:powersupplied

  yellowLED:failure

  redLED:gasalarm

• Reset/testbuttonforalarmresetandprobetestfunctions

• Degreeofprotection:IP20;IP40whencorrectlyinstalledinanelectricalpanel

• Degreeofpollution:II

• Ambienttemperature:0÷+50°C

• Humidity: 90%R.H.withoutcondensation≤

• Productforassemblyon6-moduleDINrails

Sensors for SRG control units

• Powersupply:fromthecontrolunitSRG

 −Currentinput(at6.5V):40mA

 −Connection:terminalsof2.5mm

2C(common),S(signal),A(powersupply)

• Modelsandcalibration:

 −Methanegas:CH4Sensor,(default)10%LIEofmethane

 −LPG:LPGSensor,(default)12%LIEofisobutene

 −Carbonmonoxide:COSensor,(default)200ppmofcarbonmonoxide

• Container:inself-extinguishingplasticmaterial

• Fastenedtowallusingscrewsandplasticplugs

• Protection:IP30

• Ambienttemperature:0÷+50°C

• Humidity: 90%R.H.withoutcondensation≤

INSTRUMENT DESCRIPTION



 Ledpowersupply



Led signaling failure



Led signaling gas alarm



 Reset/Testbutton



 Powersupplyterminals



Terminals for open collector failure

 Terminalsforalarmoutputrelay

Terminals for gas sensor connection



 Set-upjumper

 Protectionfuse1A

INSTALLATION

Do not use the device in excess of the limits set forth in the technical data. The installer is

responsible for correct, safe installation of the product. Use care during shipping, storage

and handling.

1) Protectionofthedevice.

 Toensuretheproperdegreeofprotectionoftheunit,itisnecessarytoinstallthecontrol

unitinanelectricalpanelconstructedinaccordancewithcurrentstandardsforthe

workplace,andinsideofwhichthepowersupplysystemcanalsobehoused.Thecontrol

unitcanbeinstalledatthebottomofthepanelorinDINmodularpanels.

 TheLPG,COandCH4Sensorsaredesignedtobewall-mounted(vertically),usingscrews

andplasticplugs.Toproceedwithinstallation,openthecontainerbyunscrewingthe

screwlocatedontheside.Makesurenottodamagethesensorandnottotouchthe

calibration devices.

2) Installationoftheproduct.

 Thecorrectinstallationoftheprobeisessentialtoproperoperationofthesystem.

Therefore,itmustbeinstalled:

 –Inareaswithcirculationofnaturalair;

 –Inareasthatarenotsubjecttodustordirtthatmayrenderthesensorinoperative;

–Nearjetsofwater,intakegrilles,openings,etc;

 –Atanadequatedistancefromusersofgassoastopreventthesystemfromintervening

improperlyduetofunctionalleakage.

 Also,positioningdependsonthetypeofgastobedetected,specifically:

– CH4 Sensor: Methane gas - at top, about 20-30 cm from the ceiling

– LPG Sensor: LPG - at bottom, about 20-30 cm from the floor

– CO Sensor: carbon monoxide – about 1.5 m from the floor

 Fornewsystems,theprobemustbeinstalledaslateaspossible,sothattypical

constructionsiteactivitiesdonotdamagethedetector.

3) Connectionsanduseoftheproduct.

 Normalelectricalcablescanbeusedforconnections.Inanycase,wheninstallationis

inplacesthatarestronglyexposedtoelectromagneticdisturbances,itisadvisableto

useshieldedcables.Thedetectionsystemmustalwaysbeinoperation.Therefore,the

electricalpowersupplyofthedetectormustnotincludeswitchesorotherdevicesthat

mayaccidentallyshutitoff.Thepowersupplyofthecontrolunitmustcomplywiththe

requiredvaluesandthecurrentinputofanydeviceconnecttotheterminalsoftherelay

mustbelessthanorequaltothemaximumcapacityofthecontacts.Theaveragelifespan

oftheprobesis5yearsfromthedateofinstallation.Therefore,attheendofthattime

theywillneedtobereplaced.

Attention: make sure you check operation at least once a year, and in any case

whenever there is an extended period of disuse or in the event of replacement.

Any tampering may compromise correct operation of the system.

OPERATION

 Oncethedevicehasbeeninstalled,youwillneedtoselecttheoperatinglogicusing

jumperE1.Itcanbeeitherpositiveornegative.Thecontrolunitsignalsitsoperating

statusbymeansofLED’s.

Position A

Positive logic

Position B

Negative logic

 DependingonthelogicselectedusingjumperE1,inanormalsituation(noalarms),the

LED’sandtherelaywillbe:

 –positivelogic:LEDon,relayenergized

 –negativelogic:LEDoff,relayde-energized

 Ifnegativeoperatinglogicisselected,thealarmrelaymaybecontrolledinpermanentor

impulsivemode,dependingonthepositionofjumperE2:

Position A

Alarm relay

Permanent control

Position B

Alarm relay

Impulsive control

 Oncepoweredon,thecontrolunitperformsthefollowingphasesinsequence:

• Buzzertest(durationabout5seconds)whichcausessequentiallightingoftheLED’sand

abriefringingofthebuzzer.

• Pre-heatingoftheprobe(whichlastsabout1minute),duringwhichthedetection

systemisnotoperationalbecausethisallowstheprobetoreachthecorrectoperating

temperature.

Dimensions

Connection diagram

Description

• Operationaltest(whichlastsabout3minutes)duringwhichthepowersupplyLED

flasheswithafrequencyof2Hzandalltimesettingsareresettozerotomakeiteasierto

checktheprobe.PresstheReset/Testforaboutonesecondtointerrupttheoperational

testphaseandchecktheprobe.

• Gasalarmtest,whichoccursbyplacingthetestspraycanneartheprobeandreleasing

asmallamountofgas.Donotdirectthespraydirectlyontothesensoroftheprobe,

asitmaydamageitirreparably.Thecontrolunitwillsignalthealarminthefollowing

manner:

Interface Positive logic Negative logic

Led for probe alarm(red) Off On

Alarmbuzzer Continuous sound Continuous sound

Alarmrelay De-energized Energized(permanentlyor

in impulsive mode)

 PresstheReset/Testkeyforonesecondtosilencethealarm(ifthegasisnolonger

present)andendthetestphase.Torestartthetestphase,pressthecorrespondingbutton

for about 6 seconds.

• Probefailuretest,whichistobesimulatedsimplybydisconnectingtheprobecableand

checkingthefollowingsignals:

Interface Positive logic Negative logic

Led for probe failure(yellow) Off On

Alarmbuzzer Intermittent sound Intermittent sound

Faulureoutput Off On

 Oncethetesthasbeenmade,re-connecttheprobeandpresstheReset/Testbuttonto

restorethecontrolunittonormaloperation.

Normal operation

 Duringnormaloperationofthecontrolunit,boththemonitoringforgasalarmandthe

self-diagnosisforplantanomalies(probe)andsystemsanomalies(controlunit)areactive.

Inthisphaseandwithnoalarmsorfailures,thecontrolunitstatusisasfollows:

Interface Positive logic Negative logic

Led (green)forpowersupply On On

Led for failure(yellow) On Off

Led for gas alarm(red) On Off

Alarmbuzzer Nosound Nosound

Alarmrelay De-energizedEnergized

Faulureoutput On Off

 Inpresenceofgasalarmorprobefailure,thecentralunitgoesintothesameconditions

describedintherelativestestphase.

REFERENCE STANDARDS

ConformitytotheEUdirectives

2006/95/EC(LowVoltage)

89/336/ECmodifiedby92/31/ECCand93/68/EEC(E.M.C.)

isdeclaredwithreferencetothefollowingharmonisedstandard:

EN 61779-1, EN 50270

Produktspezifikationen

Marke:	Vemer
Kategorie:	Gasdetektor
Modell:	SRG

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