HK Instruments Indoor air quality transmitters Siro-MOD series User manual

INSTALLATION

INSTRUCTIONS

Indoor air quality transmitters

Siro-MOD series

• READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING

TO INSTALL, OPERATE OR SERVICE THIS DEVICE.

• Failuretoobservesafetyinformaonandcomplywithinstrucons

canresultinPERSONALINJURY,DEATHAND/ORPROPERTY

DAMAGE.

• Toavoidelectricalshockordamagetoequipment,disconnect

powerbeforeinstallingorservicinganduseonlywiringwith

insulaonratedforfulldeviceoperangvoltage.

• Toavoidpotenalreand/orexplosiondonotuseinpotenally

ammableorexplosiveatmospheres.

• Retaintheseinstruconsforfuturereference.

• Thisproduct,wheninstalled,willbepartofanengineeredsystem

whosespecicaonsandperformancecharacteriscsarenot

designedorcontrolledbyHKInstruments.Reviewapplicaons

andnaonalandlocalcodestoassurethattheinstallaonwill

befunconalandsafe.Useonlyexperiencedandknowledgeable

technicianstoinstallthisdevice.

ThankyouforchoosinganHKInstrumentsSiro-MODseriesindoorair

quality transmier. The Siro-MOD series transmiers are intended for

useinbuildingautomaonsystemsintheHVAC/Rindustry.

Siro-MODisanindoorairqualitytransmierwithamoderndesign.The

transmier is available with several oponal air quality sensors. The

modulardevicecanbeequippedwithCO2concentraonandVOC(Vola-

leOrganicCompounds)measurementsoralternavelyPM(Parculate

Maer)measurementandinaddiontemperatureandhumiditymeas-

urements. It oers easy installaon and adjustment, several dierent

modeloponsandvariousoutputsignalsthatarecongurableseparately

foreachmeasurementparameter.

The Siro-MOD series devices are available with user interface that in-

cludesLCDdisplayandbuonsmakingtheconguraonofthedevice

quickandeasy.Anexternalconguraontoolisnecessaryforcommis-

sioning preparaons for Siro-MOD without user interface. Congura-

onisalsopossibleviaModbusnetwork.Siro-MODulizestheindustry

standardNDIRmeasurementprinciplewithself-calibrangABClogicTM

for CO2 measurement.

•PMconcentraontomeasuresthesizeandamountofparculates

intheindoorairforexampletoassesstheperformanceofairlters

•temperatureandhumidityinHVAC/Renvironment

SPECIFICATIONS

Performance

Measurement ranges:

CO2:   0–2000ppm/400–2000ppm

 (selectableviajumper)

VOC:   CO₂eq:400–2000ppm

   TVOCppm:0–30.0ppm

   TVOCµg/m3:0–10000µg/m3

 IAQindex:1–5(UBArang)

PM1/PM2.5/PM10: 0–50μg/m³/0–500μg/m³

   (selectableviajumper)

  IAQindex:1-5(WHOrang)

Temperature:  0...50°C

Relavehumidity: 0–100%rH

Accuracy:

CO2:   ±30ppm+3%ofreading(typical),

   addional±60ppmforrstweeks

VOC*:   15%ofreading(typical)

*VOCsensoristunedfortypicalIAQMixof22VOCsas

denedbyMølhaveetal.(1997)

PM:

0…100µg/m3:

PM2.5:   ±15µg/m³(at25⁰C±5⁰C)

PM1/PM10*:  ±25µg/m³(at25⁰C±5⁰C)

100…1000µg/m3:

PM2.5:   ±15%(at25⁰C±5⁰C)

PM1/PM10*:  ±25%(at25⁰C±5⁰C)

*PM1andPM10valuesarecalculatedfromPM2.5

measurementreadingwiththedefaultparcledistribuon.

Temperature:  ±0.4⁰C(typicalat20⁰C)

Relavehumidity: ±2.2%rH(typicalat20ºC,30%rH)

Technical Specicaons

Media compability:

Dryairornon-aggressivegases

Measuring units:

CO₂:   ppm

VOC: CO2eq:ppm

   TVOC:ppm,µg/m³

PM:   PM1/PM2.5/PM10:µg/m³

Temperature:  °C/°F

Relavehumidity: %rH

Measuring element:

CO2:Non-dispersiveinfrared(NDIR)

VOC:ComplementaryMetalOxide

Semiconductor(CMOS)

PM:Laser-basedlightscaeringparclesensing

Temperature:IntegratedtoCMOS

Relave humidity:Thermosetpolymercapacive

sensingelement

Calibraon:

Automacself-calibraonABCLogicTM for CO2

measurement

Environment:

Operangtemperature:0...50°C

Storagetemperature:-20...70°C

Humidity:0to95%rH,noncondensing

Physical

Dimensions: Case:95x103x30mm

(widthxheightxdepth)

Weight: 130g

Mounng:

2screwholessloed,distancec/c60mm

Materials:

Case: ABS

Protecon standard: IP20

Display (oponal)

MonochromeLCD,38x23mm

Electrical connecons:

10-pinspringloadedterminalblock

0.2...1.5mm²(16-24AWG)

Electrical

Input:24VACorVDC,±10%

Powerconsumpon:2Wmax+25mWforeach

voltageoutputor50mWforeachcurrentoutput

Outputs:

4outputs,havetoselectvoltageorcurrent

Voltageoutputs:

0 –10 V

 2–10V/0–5V(oponal,displayor 

 conguraontoolrequired)

Currentoutput:

 4–20mA(oponal)

Outputsignallimits:

 Voltageoutputs:R>1kΩ

 Currentoutput:R>20Ω,R<500Ω

Communicaon

Protocol:MODBUSoverSerialLine

TransmissionMode:RTU

Interface:RS485

Byteformat11bits(10bitsifparitynone):

CodingSystem:8-bitbinary

BitsperByte:

1 start bit

 8databits,leastsignicantbitsentrst

 1bitforparity

 1stopbit

Baudrate:selectableinconguraon

Modbusaddress:1−247addressesselectablein

conguraonmenu

Conformance

MeetsrequirementsforCEmarking:

EMCDirecve2014/30/EU

RoHSDirecve2011/65/EU

WEEEDirecve2012/19/EU

INTRODUCTION

APPLICATIONS

WARNING

Siro-MODseriesdevicesarecommonlyusedtomonitorandcontrol:

•indoorairqualityinoces,publicspaces,meengroomsand

classrooms

• CO2andVOCconcentraontoregulatedemand-controlled

venlaonandtokeeptheindoorairqualityinagoodlevel

COMPANY WITH

MANAGEMENT SYSTEM

CERTIFIED BY DNV GL

= ISO 9001 = ISO 14001 =

RoHS 2

2011/65/EU

Pin header Descripon

OUT1

OUT2

OUT3

OUT4

GND

Voltage / current output selecon

•Currentoutputisanoponal

Output1

Output2

Output3

Output4

Ground

SCHEMATICS DIMENSIONAL DRAWINGS

INSTALLATION

1)Mountthedeviceinthedesiredlocaon(seestep1).

2)Routethecablesandconnectthewires(seestep2).

3)ConnectthedisplaycabletothedisplayconnectoronthePCB.(See

schemacs)

4)Thedeviceisnowreadyforconguraon.

WARNING!Applypoweronlyaerthedeviceisproperlywired.

PM SENSOR

CO₂ SENSOR

VOC SENSOR

A+

B–

24V

GND

OUT1

OUT2

OUT3

OUT4

GND

OUT1

OUT2

OUT3

OUT4

TEMP OR

rH + TEMP

SENSOR

mA-MODULE

DISPLAY CONNECTOR

MODBUS-MODULE

Pin header Descripon

Open

Connected

Open

Connected

CO2 / PM output range selecon

400...2000ppm(CO2models)

0...2000ppm(CO2models)

0...500μg/m3(PMmodels)

0...50μg/m3(PMmodels)

Pin header Descripon

Open

Connected

Menu lock

Menulockdisabled

Menulockenabled

Connector Descripon

A+

B-

RS485 Modbus/RTU slave

DATA+

DATA-

24 V

GND

Power supply

24VAC/DC±10%

Ground

Connector Descripon

OUT1

OUT2

OUT3

OUT4

GND

Voltage / current outputs

•Outputsengscanbemodiedfromthedisplay

•Seethelidlabelforfactorydefaultsengs.

Output1

Output2

Output3

Output4

Ground

Opening/closing the lid

1)Openthelidbypressingthecenterfromtheboomofthelidasin

thegure.

2)Closethelidbyinserngthetopofthelidintothegroovesrstand

pushingtheboomedgeasinthegure.

Pin header Descripon

Open

Connected

Modbus terminaon

Notterminated

Terminated

Figure 2a - Roung the cables

Figure 2b - Wiring diagram: Power input & signal output

Figure 1a - Surface mounng

Figure 1b - Mounng orientaon

YES NO NO

1)Routethecablesthroughtheopeninginthebackplateorfor

surfacewiringselectaknockoutontheboomofthewallplate,

asshowninFigure2a.

2)ConnectthewiresasshowninFigure2band2c.

CAUTION!

•ForCEcompliance,aproperlygroundedshieldingcableisrequired.

•Usecopperwireonly.Insulateorwirenutallunusedleads.

•Careshouldbeusedtoavoidelectrostacdischargetothedevice.

•Thisunithasconguraonjumpers.Youmayneedtorecongure

thisdeviceforyourapplicaon.

STEP 2: WIRING DIAGRAMSSTEP 1: MOUNTING THE DEVICE

1)Selectamounnglocaononthewallat1.2–1.8m(4–6)above

theoorandatleast50cm(20in)fromtheadjacentwall.Do

notblockdeviceairventsfromanydireconandleaveatleast

20cm(8in)gaptootherdevices.Locatetheunitinanareawith

goodvenlaonandanaveragetemperature,whereitwillbe

responsivetochangestotheroomcondions.TheSiro-MOD

shouldbemountedonaatsurface.

DonotlocatetheSiro-MODwhereitcanbeaectedby:

•Directsunlight

•Drasordeadareasbehinddoors

•Radiantheatfromappliances

•Concealedpipesorchimneys

•Outsidewallsorunheated/uncooledareas

2)Usethedeviceasatemplateandmarkthescrewholes.

3)Mountthewallplatewithscrews.

CAUTION!Incorrectinstallaonmaycauseashiinmeasurements.

Figure 1c - Mounng locaon

120 cm (4 ft)

180 cm (6 ft)

≥

50 cm (20 in)

≥ 20 cm (8 in)

NOTE! When using long connecon wires it may be necessary to use a

separateGNDwireforvoltageoutputcurrenttopreventmeasurementdis-

toron.TheneedforanextraGNDwiredependsonthecrossseconand

lengthoftheusedconneconwires.Iflongand/orsmallcrossseconwires

areused,supplycurrentandwireresistancemaygenerateavoltagedropin

thecommonGNDwireresulnginadistortedoutputmeasurement.

When usingAC power supply, makesure thatthe groundpotenal ofthe

signalisthesameasthegroundpotenalofthesupplyvoltagetoavoidshort

circuitthroughtheaddionalGNDwire.

It is recommended to use shielded twisted pair cable for modbus cabling.

Thecableshieldmustbeearthedonlyinonepoint,normally,attheendof

themaincable.

OUT1

OUT2

OUT3

OUT4

GND

A+

B–

24V

GND

0-10V/2-10V/0-5V/4-20mA

Figure 2c - Wiring diagram: Extra GND wire

OUT1

OUT2

OUT3

OUT4

GND

A+

B–

24V

GND

0-10V/2-10V/0-5V/4-20mA

STEP 3: CONFIGURATION

ConguraonoftheSiro-MODseriesdeviceconsistsof:

1)Conguringthejumpers(seestep4).

2)Conguraonmenuopons.

(Display(-D)orconguraontoolrequired.Seetheusermanual

forfurtherdetails.)

1)Conguraonoftheoutputmodes:

Selecttheoutputmode,current(4–20mA)(oponal)orvoltage(0–10V)

foreachoutput(1-4)byinstallingjumpersasshowninFigure4.

Onadisplayversionofthedevice,theoutputscalecanbechangedviathe

conguraonmenu.Anexternalconguraontoolisavailablefordevices

withoutuserinterface.

First,selecttheoutputmodebyjumper,thenselecttheoutputscale(4–

20mA(oponal)/0–10V/2–10V/0–5V)viatheconguraonmenu.

Pleaseseetheusermanualformoredetails.

Thesellerisobligatedtoprovideawarrantyofveyearsforthedeliveredgoods

regardingmaterialandmanufacturing.Thewarrantyperiodisconsideredtostart

onthedeliverydateoftheproduct.Ifadefectinrawmaterialsoraproducon

awisfound,thesellerisobligated,whentheproductissenttothesellerwithout

delayorbeforeexpiraonofthewarranty,toamendthemistakeathis/herdis-

creoneitherbyrepairingthedefecveproductorbydeliveringfreeofcharge

tothebuyeranewawlessproductandsendingittothebuyer.Deliverycosts

fortherepairunderwarrantywillbepaidbythebuyerandthereturncostsbythe

seller.Thewarrantydoes notcomprisedamagescausedbyaccident,lightning,

oodorothernaturalphenomenon,normalwearandtear,improperorcareless

handling,abnormaluse,overloading,improperstorage,incorrectcareorrecon-

strucon,orchangesandinstallaonworknotdonebytheseller.Theselecon

of materials fordevices prone to corrosion is the buyer’sresponsibility,unless

otherwiseislegallyagreedupon.Shouldthemanufactureralterthestructureof

the device, the seller is not obligated to make comparable changes to devices

alreadypurchased.Appealingforwarrantyrequiresthatthebuyerhascorrectly

fullled his/herduesarisenfromthedeliveryandstatedinthecontract.The

seller will give a new warranty for goods that have been replaced or repaired

withinthewarranty,howeveronlytotheexpiraonoftheoriginalproduct’swar-

rantyme.Thewarrantyincludestherepairofadefecvepartordevice,orif

needed,anewpartordevice,butnotinstallaonorexchangecosts.Underno

circumstanceisthesellerliablefordamagescompensaonforindirectdamage.

Figure 4

STEP 4: Jumper settings

RECYCLING/DISPOSAL

The parts le over from installaon should be re-

cycledaccordingtoyourlocalinstrucons.Decom-

missioned devices should be taken to a recycling

sitethatspecializesinelectronicwaste.

WARRANTY POLICY

Figure 3 - Jumper installaon

A+

B–

24V

GND

OUT1

OUT2

OUT3

OUT4

GND

OUT1

OUT2

OUT3

OUT4

OUT1

OUT2

OUT3

OUT4

NOTE! When using mA output, do not use Vout scalings from the menu.

Using2-10Voutputinsomeapplicaonsitiscricaltoknowimmidiatelyif

thewireisbrokenorthedeviceisdamaged.Inthesecases,a2-10voltage

outputisrecommended.

2)OutputrangeseleconwithCO2-andPM-models:

 Installthejumper1(gure3)tochangeoutputrange.Thisfeatureis

intendedtouseonlyondeviceswithoutdisplay.Onadisplayversionof

thedevice,theoutputrangecanbeselectedviatheconguraonmenu.

Pleaseseetheusermanualformoredetails.

Pin header Descripon

Open

Connected

Open

Connected

CO2 / PM output range selecon

400...2000ppm(CO2models)

0...2000ppm(CO2models)

0...500μg/m3(PMmodels)

0...50μg/m3(PMmodels)

3)Lockingthedisplay:

Installthejumper2(gure3)tolockthedisplaytopreventaccesstothecon-

guraonmenuaerinstallaoniscompleted.

4)Modbusterminaon:

Installajumper4(gure3)toterminateModbus.

In order toavoidsignalreecons,Modbus terminaon jumper must be

installedincaseifthedeviceisthelastoneofthebus.

Modbus registers continued

4x0001 OsetCO2 16bit -200 200 -200..200ppm

4x0002 OsetHumidity 16bit -10 0 100 -10.0..10.0%

4x0003 OsetCelsius*1 16bit -50 50 -5.0..5.0°C

4x0004 OsetFahrenheit*1 16bit -90 90 -9.0..9.0°F

4x0005 OsetTVOCppm 16bit -300 300 -3.00..3.00ppm

4x0006 OsetTVOCug/m3 16bit -1000 1000 -1000..1000ug/m3

4x0007 OsetCO2EQ 16bit -20 0 200 -200..200ppm

4x0008 OsetPM 16bit 30 200 0.3..2.0coecient

4x0009 Backlightintensity 16bit 0100 0..100%

4x0010 DisplayCelsius*2 16bit 06 Posionnumber,0=notused

4x0011 DisplayFahrenheit*2 16bit 06 Posionnumber,0=notused

4x0012 DisplayHumidity 16bit 06 Posionnumber,0=notused

4x0013 DisplayCO2 16bit 06 Posionnumber,0=notused

4x0014 DisplayCO2 EQ 16bit 06 Posionnumber,0=notused

4x0015 DisplayPM2.5hour 16bit 06 Posionnumber,0=notused

4x0016 DisplayPM10hour 16bit 06 Posionnumber,0=notused

4x0017 DisplayIAQ 16bit 06 Posionnumber,0=notused

3x0001 Programversion 16bit 19999 0.01..99.99

3x0002 CO2reading 16bit 02500 0..2500ppm

3x0003 rHreading 16bit 01000 0.0..100.0%

3x0004 TemperatureCelsius 16bit 0500 0.0..50.0°C

3x0005 TemperatureFahrenheit 16bit 320 1220 32.0..122.0°F

3x0006 TVOCppmreading 16bit 03200 0.00..32.00ppm

3x0007 TVOCug/m3reading 16bit 010000 0..10000ug/m3

3x0008 CO2_eqreading 16bit 012000 0..12000ppm

3x0009 IAQreadingTVOC 16bit 15 1..5IAQindex

3x0010 IAQreadingPM 16bit 15 1..5IAQindex

3x0011

3x0012 PM1reading 16bit 01000 0..1000ug/m3

3x0013 PM2.5reading 16bit 01000 0..1000ug/m3

3x0 014 PM10reading 16bit 01000 0..1000ug/m3

3x0015 PM2.51haverage 16bit 010000 0.0..1000.0ug/m3

3x0016 PM2.524haverage 16bit 010000 0.0..1000.0ug/m3

3x0017 PM101haverage 16bit 010000 0.0..1000.0ug/m3

3x0018 PM1024haverage 16bit 010000 0.0..1000.0ug/m3

3x0 019

3x0020 Error status 16bit 065535 Seetablebelow

STEP 5: Modbus registers

Bit0temperaturesensordetected,  0=notdetected,1=detected

Bit1humiditysensordetected,  0=notdetected,1=detected

Bit2co2sensordetected,  0=notdetected,1=detected

Bit3vocsensordetected,  0=notdetected,1=detected

Bit4pmsensordetected,  0=notdetected,1=detected

Bit5displaymoduledetected,  0=notdetected,1=detected

Bit6current(mA)moduledetected,  0=notdetected,1=detected

Bit8sensorwarmup   0=normaloperaon,1=warmup

Bit9rhtstatus   0=normaloperaon,>0readingerror

Bit10CO2status   0=normaloperaon,>0readingerror

Bit11pmstatus   0=normaloperaon,>0readingerror

Bit12vocstatus   0=normaloperaon,>0readingerror

3x0020 Error status bits

Funcon code 03 - Read holding registers, Funcon code 06 - Write single register,

Funcon code 16 - Write mulple registers, Broadcast supported with address 0

Funcon code 04 - Read input register

*1=CelsiusandFahrenheitlimitsareinterdependent,andthusachange inonelimitofameas-

urementwillalsochangethelimitsoftheothermeasurement.UseFunconcode06(writesingle

*2=UseFunconcode16(writemulpleregisters)fordisplayconguraon.Validvalue(0/1...6)

neededforalldisplayconguraonregisters.(seeSiroUserGuideSTEP1.1:Displayview)

HK Instruments Indoor air quality transmitters Siro-MOD series User manual

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