Vemer CH4 Sensor Handleiding

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V3IS00462-010

CH4 SensorCO SensorLPG Sensor, and areprobesforthedetectionof

methanegas,carbonmonoxideandLPGtobeconnectedtoSRG and SRG.4

controlunitstocreatesystemsfordetectinggasinareassuchasboilerrooms,

warehouses,etc.

It is wall-mounted in a vertical position using screws and plastic plugs.

SAFETY WARNINGS

During installation and operation of the instrument, comply with the

following instructions:

1) The device must be installed by a competent person

2) Before removing the cover, make sure that power is NOT provided to

the device

3) Before accessing the terminals, make sure that the electrical leads are

not live

4) Install the detector in the correct position (see “Installation”)

5) Do not power on the device if any part of it is damaged

Code Model Description

VE205100CH4SENSOR Methanedetectionsensor

VE206900 LPG SENSOR LPG sensor

VE207700 CO SENSORCarbonmonoxidesensor

TECHNICAL CHARACTERISTICS

• Powersupply:fromthecontrolunitSRGorSRG.4

 −Currentinput(at6.5V):40mA

 −Connection:terminalsof2.5mm2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

• Max.lengthofconnection:50m

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

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

• Protection:IP30

• Operatingtemperature:0÷+50°C

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

INSTALLATION

 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lowerside.Makesurenottodamagethe

sensorandnottotouchthecalibrationdevices.

POSITIONING

 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,specically:

• 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.

CONNECTIONS

 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

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.

Note. 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.

REFERENCE STANDARDS

CompliancewithCommunityDirectives:

2006/95/EC (lowvoltage)

89/336/EECmod.from andfrom92/31/EEC 93/68/EEC(E.M.C.)

isdeclaredwithreferencetothefollowingstandards:

EN 61779-4, EN 50270

User Manual

SENSORS FOR SRG/SRG.4 CONTROL UNITS

Read all the instructions carefully

Dimensions

Connection diagrams

119,0

75,3

36,0

CH4 SENSOR

C SA

SRG/SRG.4

Mod. CH4 SENSOR

Mod. LPG SENSOR

Mod. CO SENSOR

Beoordeel deze handleiding

Product specificaties

Merk:	Vemer
Categorie:	Niet gecategoriseerd
Model:	CH4 Sensor

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