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OJ Electronics F-NVP Operating instructions

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AnlægsfølerF-NVPF-16ertilmontagedirekte
pårør,f.eks.vedsikringmodkondens.
F-NVPF-16harindbygget680kohmmodstand
ogkantilsluttesF-NVPvia2terminaler.
VIGTIGT:FølerbåndetpåfølerneF-NVPF
ogF-NVPF-16måikkemonteresdirektepå
elektriskledendeoverflader,daderdervedkan
opståfejlfunktion.Skalfølerenfølepåelektrisk
ledendeoverflader,skaldermellemfølerbåndet
ogdenelektriskledendeoverflade,etableresen
ikke-ledendeisolering.
LimtypeF-NVPFLerenporøslim,hvorvand
kantrængeigennem.Forbrugca.0,3litertil25
mfølerbånd.
TILSLUTNING
Figur1.Tilslutningsdiagram
Figur2.Omsætningstabel
Figur3.Mål
OJ ELECTRONICS A/S
Stenager13B·DK-6400Sønderborg
Tel.:+4573121314·Fax:+4573121313
[email protected]·www.ojelectronics.com
English
APPLICATION
F-NVPmonitorswaterinstallationsetc.and
protectsequipmentsuchascomputerequipment
orothervalues.Acottonsensortapeis
suppliedwiththetheF-NVP.Thesensortapeis
suppliedbythemeterandismountedinthefloor
orwrapped/gluedtothewaterpipe.Onlyafew
humiditydropswillmaketheF-NVPalarm.
Furthermore,itcanbeusedtooversteer
regulationvalvesincoolingceilingsifcondense
arisesontubesorvalve.
PRODUCT PROGRAMME
Product Type
Humidityalarm230V,10Arelay F-NVP-15
24V,10Arelay F-NVP-35
HumidityalarmwithacousticalarmsignalF-NVP-16
Sensortapebythemeter F-NVPF
Unitsensor F-NVPF-16
Glueforsensortape NVDPFL
FUNCTION
F-NVPmeasurestheelectricalconductivityin
thesensorchosen.Whentheconductivityof
thesensorishigherthanthelevelsetonthe
F-NVP(whichhappenswhenthereishumidity
onthesensor)thebuilt-inrelay(F-NVP-15)is
activatedandredLEDindicatesalarm.Also,if
thesensorcircuitisshort-circuitedorbroken
therelaygoesinalarmposition.
Furthermore,F-NVPissuppliedwithaLEDfor
operation,whichwilllightgreen,ifthesupply
voltageisconnected.
TheF-NVP-16hasthesamefunction,but
whentherelaygoesinalarmpositionabuilt-in
acousticalarmisactivated.
CE MARKING
OJdeclareundertheirownresponsibility
thatthisproductmeetstherequirementsof
theEuropeanCouncil’sdirective89/336and
successivemodificationsastoelectro-magnetic
compatibilityandtheCouncildirective73/23
astoelectricalequipmenttobeappliedwithin
certainvoltageranges.
Standards applied
EN50081andEN50082.
Theproductmayonlybeenergisedwhenthe
entireinstallationmeetsthecurrentdirective
requirements.Whentheproductisinstalled
accordingtothisinstructionsguideandthe
currentinstallationguidelines,itiscovered
byfactoryguarantee.Iftheproducthasbeen
exposedtodamagee.g.intransport,itmust
becheckedandoverhauledbyqualifiedstaff
beforetheproductisconnectedtothepower.
TECHNICAL DATA
Supplyvoltage...... 24V,230V±10%,50-60Hz
Powerconsumption.....................................3VA
Weight ......................................................190g
Ambienttemperature......................... -20/+50°C
Sensitivity........................... 2-20µS,500-50kΩ
Sensorvoltage.................................Max.8VDC
Acousticalarm-F-NVP-16.................Ca.55dB
LED INDICATION
GreenLED:...............Supplyvoltageconnected
RedLED:.........Humidityalarmorsensorfailure
SENSOR F-NVPF
Thesensorconsistsofacottontapewhichis
deliveredbythemeterandwithtwointerwoven
wires.Thetwointerwovenwiresisconnectedin
theendbyaresistance.
Thesensorisconnectedtothealarmunit
F-NVPandincaseofhumidityonthesensor,
theconductivityisincreased(smallerresistance)
andaccordingtoadjustmentofsensitivitythe
built-inrelayisenergised(atthesametimethe
F-NVP-16givesanacousticalarm).
Thesensorwillgivealarmincaseofhumidity/
waterleakandshouldthereforenotbemounted
inadampposition,forinstanceconcretefloor/
wall,asafalsesignalmaythenarise.Incase
oflong-termhumidityinfluencethesensorwill
corrode,asgalvaniccorrosionwillarise.
Thesensorshouldbeplacedinsuchawaythat
itcanbechanged.Thesensortapemustnotbe
earthed.
GluetypeF-NVPFLisaporousglueandcan
bepenetratedbywater.Approx.0.3litresis
requiredfor25msensortape.
TheunitsensorF-NVPF-16isformounting
directontopipe,forinstancetosecureagainst
condensing.TheF-NVPF-16hasabuilt-in680
kΩresistanceandcanbeconnectedtothe
F-NVPvia2terminals.
IMPORTANT:ThesensortapeforF-NVPFand
F-NVPF-16sensorsmustnotbefitteddirectly
toelectricallyconductivesurfacesasthismay
causemalfunction.Ifthesensoristobeused
tomonitoranelectricallyconductivesurface,
non-conductiveinsulationmustbeestablished
betweenthesensortapeandtheelectrically
conductivesurface.
CONNECTION
Fig.1. Connectiondiagram
Fig.2 Conversationtable
Fig.3. Dimensions
Fig. 2
Fig. 3
F-NVP
F-NVPF-16
F-NVPF
Fig. 1
OBS!
Isolatesensorbandawayfrom
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