Ensy AHU-300 BV User manual

User manual and
Installation Guide
AHU-300 BV
AHU-300 BH

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage1
Usermanual.Page1to13
(Picturesonpages1‐5showsAHU‐300BV)
Toopenthefronthatchyouwillfindakeyforthe
quarterturnlatchesinthefoldertogetherwiththe
followingdocuments.Keepthiskeyinaplacesoitisout
ofreachforchildren.
Toopenthelocks,turnthekeytoward
thecenteroftheunit.
Leftlatch Rightlatch

Toclose,afterputtingthehatchbackonplace,turnthe
latchestheoppositeway.Youmayusesomepressuretowardsthehatchtocloseit.
Becarefulthatthedoorcan"bestuck"inthesealingonthehatch.
Foreasierlooseningofthehatch,releaseitfirstinonecorneratthetop.

Tooperatethisproductpeopleshouldhavenecessaryskills,orunderthesupervisionofa
qualifiedperson.
Childrenshouldbetoldtonotplaywiththeappliance.

Whenyouliftoffthefronthatchfromthe
device,makesurethespiralcablethat
connectsthedeviceandthefronthatchisnot
overstretchingforalongperiod.Thiscan
damagethecable.

Duringcommisioningoftheappliance,
wheninstalled,thespiralcablehasto
connectedinordertohaveaccessthe
controlpanelinfrontofthehatch.

Whenservicingandcleaning,thisspiral
cableshouldbedisconnected.Make
surethatthespiralcableis
disconnectedandconnectedwithouttheuse
offorce.Thistopreventcontactsoncableto
bedamaged.

Ifthespiralcableisoutofposition,thenyou
willgetanalarmcalled"Lowvoltage".Togetthesignalbackintothedisplayyoumustunplugand
plugbackinbothhatchandventilationunit.Note!Ifthespiralcableisbroken,youhavetoorder
neworiginalcablefromsupplier.Standardcablefromstorewouldnotwork.

Newspiralcablehasart.no:330541‐2fromsupplier.

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage2
Beforeanyaccessintotheelectricalconnections
boxes,powermustbedisconnectedbypullingoutthe
plugfromthesocket.

Itisonlyallowedforauthorizedpersons
toenterintotheelectricalconnection
boxes.


Ifanyelectricalcomponentsare
damaged,theymustbereplacedbythe
manufacturer,dealeroraqualified
personinordertoavoiddangerous
situations.


Adjustmentoftheunit.
Ahumiditysensoris,fromfactory,mountedinsidetheunit.Itis
setto“0”thatmeansitissettonotactive.

Afterstartup,wheretheunitisplacedintoanewbuildingwithhigh
humidity,youcanletthishumiditysensorbeturnedoffforaperiodto
avoidthefullspeedofthefanatnight.Togetthehumiditysensorto
operateasintended,youneedatonetimetoputitactive.Thanyouneed
tosettheswitchinposition"1".

Iftheventilationunitisplacedinahousewithouthighhumidity,you
shouldswitchtoposition"1"afteryouputtingventilationunitinto
operation

Thisswitchwillalsoaffectanyextraexternalhumiditysensorthatispluggedintothedevice.


Adjustingthehumiditysensor.
Ifitisnecessarytoadjustthe
sensitivityofthehumiditysensor
thenyoumust,onoldermodels,
removethecover,whichisoverthe
controlboardwherethisadjustment
islocated.

Onnewermodels,youjustcan
removetheblackplugandyouthen
canseetheadjustingknobandthe
RH%scale.

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage3

Thesensorissetto80%RHfromfactory.
Ifyoudoadjustments,thisonlyaffectthesensorintegated
insidetheunit.
Thesensitivityfortheintegratedsensoryoucanadjustedfrom
50%(low)to90%(high)inaccordancetowhataretheneeds.
Thearrowpointsthevaluechosen.
Ifyouhaveasecondexternalsensorthatmeansyouneedto
adjustthatonefromitssettings.
Replacethecoverand/orplugafterfinishadjusting.


Replacingthefilter.
Thefiltersshouldbereplaced
every6.9.or12.months.
Shouldbeextractedwithout
useofanytools.
Remembertoenterthe
controlpanelmenu(4.3
Filter)andpressFilterOK
afterthefiltershasbeen
replaced.





Toguaranteeoptimalpropertiesoftheventilationunit,usetheoriginalfiltersfrom
EnSy.Theuseofspuriousfilterswilllimitthewarrantyontheproduct.

Ensyartnumberforfiltersetis:
011460850‐2
SETFILTREENSYAHU200+300B.F7:120x280x94

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage4
Cleaningthefans.
Thismustbedonebyaqualified
person.

Beforeremovingfansthemain
powermustbedisconnectedby
pullingoutthemainsupplyplug
fromthesocket,orfanstobe
programmedtoposition“AV”or
“OFF”

AHU‐300BV

Disconnectthe3‐poleand5‐pole
plugs.

Thefanscanbepulledoutofthe
ventilationunitwithouttheneed
foranytools.

Cleanwithmildsoapandwater.

AHU‐300BH
Theextractairfancanbepulled
outoftheventilationunit
withouttheneedforanytools.

Beforeyoucanpulloutthe
supplyairfan,youhaveto
removethebracketthatholds
thefanincorrectposition.
Importantthatthis
bracketisplaced
backaftercleaning.
Cleanwithmildsoapandwater.


393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage5
Maintenanceandcleaningof
rotaryheatexchanger
Thismustbedonebyaqualified
person.

Disconnectthe3‐poleplug.

Canbepulledoutoftheventilation
unitwithouttheneedforanytools.

Rotorexchangercaneasilyberemoved
forcleaningbydissolvingthe12screws
thatholdittogether.
Cleanpartswithmildsoapandwater.
Donotexposetherotor
motororconnectorfor
moisture.
Theexchangeryoualsocan
cleanwithmildsoapand
water.Donotuseammonia‐
containingdetergent,asthiswillprey
onanddiscoloraluminuminrotary
heatexchanger.Flushedwithhand
showerandblowgentlycleanwith
compressedair.
Ensurethatthescrewsaretightened
sufficientlysothattheydonotcome
looseduringoperation.
Preferablyuseascrewdrivertotight
thescrews.Ifuseofelectrical
screwdriver,makesurethatyouuse
lowtorquetopreventdestroyingthe
springsinthesheetmetalparts.
Tomakesurethatthedrivebeltcan
adjustitselfintocorrectpositionyou
mustrotatetheexchangersomefew
turns.
Theninsertbackintotheventilationunit.Besurethatrotorexchangerisproperlyinsertedinallthe
guidesinsidetheunit.Ifnot,thiscanleadtovibrationinthesystemandinternalairleakintheunit.

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage6

Mainmenu




1.ControlButtonindicatorforfan.
2.ControlButtonindicatorsetpoint.
3.ControlButtonindicatorinformation.
4.ControlButtonindicatorsettings.
Overviewofcontrolpanel
Themainscreenconsistsof,fromtop,left:
TimeIndication,hour,minute

Timer,Weeklyschedule(ifprogrammed)

Reheatingcoil(ifconnected)

Temperaturereadings,Outdoor/Indoor

Statusairflow–fanspeedsetting
OFFMINNORMorMAX

Temperaturesetpoint,15‐21°C

Reheatingcoil–(hererefersactiveelement)

RotaryexchangerIndicator‐(hererefers
activerotarywheel)


Indicatorsinthemenuscreen:

"Sun"indicatesthattherotorhas
stopped,theairhandlingunitisin
thesummeroperationmode.

"Snowflake"lowtemperature
indicatesthattheairhandlingunit
isindefrostingmode.

"Steamingpot"andblinkingfan
bladesindicatesthatthekitchen
exhaustisactivated.


"Timer"andthecountdownofthe
fansymbolindicatethattheforced
ventilationisenabled.
From10upto240minutes

"Away"indicateswhenthefeature
isenabled,thisfeaturewilloverride
timer.


"Clockoverthefansymbol"
indicatesthatthetimerisactivated.



Co2overthefansymbol"indicates
thatthecarbonsensorisactivated.


"Exclamationpoint"indicatesthat
moisturerecordedoverthesensor
ishigherthanthesetvalue.
Mayalsoindicatethatthemotion
sensorisactivatedifconnectedon
D2signaloutput.

Thissymbolindicatesthatthe
rotaryheatexchangerisactivated
andwillberotated
ControlButton1.2.3. 4.

393800‐2Rev1:02.058.2017.KJK
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1.Fanspeed

Ventilationunithasthreeoptionsforchoiceof
airflow.


Min,NormalandMax.
Forprogrammingofvalueswithineachstep,
see4.5.1.3Usingthecontrolbutton1,and‐/
+buttonscanchangebetweenthepre‐
programmedselections.


1.1Fanboost
Forcedventilation,fanspeedincreasestomax
speed.(Meanstothespeedthatissetin
menu4.5.1.3.)Thefunctionisforuseifhigh
humidityinbathroomsandlaundryroom.

Forcedventilationcanbeactivatedwith
button
then 
Intervaladjustablefrom10‐240minwith+
and‐

Thispictureshows10minforcingtime,but
notactivated.
Toactivatethefanboostuse
controlbutton4.

YoucanseethatthefanarerunningwithMax
speedandtheclockwillstartcountdown.
Youcaneasydeactivatethefanboostagain
beforethecountdownautomaticallystopsit.
Firstcontrolbuttom1 andthen4. 

Thisfeaturecanalsobeoperatedwithan
externalpulseswitch.Theswitchisplacedin
thebathroomoradjacentrooms.Connected
tocontactD1intopoftheventilationunit.
(Lookatpage23inthismanual.)
IfthisoptionviaD1isintendedforuseagainst
woodstoveorfireplacethenitis
recommendedthatMaxspeedunderFan
controlinmenu4.5.1.3.issettoSupply100%
andadjustExtracttobe80to85%.(Lookat
page10inthismanual)

2.Temperature

Choosefrompre‐programmedtemperature
settingssetpointbetween15‐21°C.Setting
ischangedbyoperatingtheswitchbuttons
below‐/+symbols.





HeatingelementcanherebesetONorOFF
byoperatingtheswitchbutton4inthis
screen,butonlyifheaterisconnected.

(Toseeifheatingcoilisconnectedor
disconnected,see4.5.1.1Heater)
Indicatorforactivatedheatingcoil.
Smallpictureshownotactivated.

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage8
3.Information.

3.Information/3.1.Alarms
Whenalarmyoucanfindasourceoferror
here,aswellasinfoonhowthealarmisreset.
(Seepages28and29inthismanual)

3.Information/3.2Programversion

Informationaboutthesoftware
version.Thisinformationmustbeprovidedto
servicepersonnelatthefailureoftheunit.


WhichdisplayisdefinedasDisplay1or
Display2appearshereiftheplanthas
mountedtwodisplays.
See4.5.1.10selectionofthedisplays.





3.Information/3.3.Generalinfo

Hereyoucanseedefrostmodethathas
beenchosen.

(See4.5.1.9ifyouwanttochangemode.)
4.Preferences

Tonavigatewithinthevarioussub‐menus
whenusingthecontrolbuttonsbelowtheup/
downcursorkeythatdisplaysonthedisplay.

4.Preferences/4.1Time/date

SettingmenuforTime/date.Thissettingis
importantsincetheinformationformingthe
basisfortheweeklyschedulefunctionifthisis
tobeactivated.Alsoforthefilteralarm
functionitisneeded.


393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage9
4.Preferences/4.2Weeklyschedule

ProgrammingoftheWeeklyschedule,fan
speedandtemperaturesetpoint.Hereitcan
beprogrammedfortwoperiodseachday.Ex.
day‐night.




Everydaymustbeprogrammedindividually.
Monday‐aperiodoftime,selectthestart
time.Toactivatetheperiod,X‐overperiod
numberisremoved,usethe‐/+keys.

Useentertomovebetweenthedifferent
fields.


Chooseairflow(fanspeed)Speeddialing‐
MINwhenonefanbladeontheindicatoris
black.NORM=twoblackfanbladesonthe
indicator.MAXspeed=threeblackfanblades
ontheindicator.

Selectthedesiredsupplyairtemperatureyou
wantduringtheperiod.Settingsbetween15‐
21°C.

Ifweeklyschedulelookssomethinglike
thiswithoutanyreasonthenyoumust
punchinallthedataagain.
Itdonothelptoupdatesoftware.

4.Preferences/4.3Filter

Settingthetimeintervalforfilterchange,
currentchoicesare6,9or12months.Make
yourchoicesbyusingthecursorkeys+/‐.

Alarmresetelapsedperiodbypressingthe
menubutton4,under"FilterOK"
4.Preferences/4.4AdjustScreen

Adjustingthecontrastandcoloronthe
display.


Youcanalsoadjusthowlongitshouldbelight
inthedisplayaftertheoperation.

4.Preferences/4.5Setup

Toproceed,usePINcode1000


Press+oncetillitshows1000in
display.Thenpress4timeson

Thenpressbutton3forOK.
StarttimeStoptimeFanspeed
Activationoftheperiod.Herenotactive

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage10
4.5.1Setup


4.5.1.1Heater

Turningon/offthereheatingcoil,usethe
minusorplusbuttontochangesettings.


4.5.1.2Coolingrecovery

Activationofthecoolingrecovery:


Itispre‐programmedtwooptionsforuse
whentheoutsidetemperatureishigherthan
theindoortemperature,heatrecoverysystem
willactivatethefunctionstartandsupplyair
willbecooledbyexhaustair.Engagement
whentheoutdoortemperatureis2°Cor3°C
higherthanroomtemperature.Usebutton4
tochangesettingforOff.Press+toactivate
(On).Usebutton4tochangesettingfor2°C.
Press+tochangetoto3°C,ifwanted.

4.5.1.3Fancontrol

FactorysettingsforAHU‐300BVandBHyou
canseeinnextpicture.

Theinstallercanadjustthesesettingssothat
itisadequatelybalancedventilation.
4.5.1.4Co2control

IftheunitshallbeconnectedCO²controlthen
connectittoC0²connectorontopoftheunit.
(Seepage23inthismanual).

Menuforenabling/disablingofCO²control.

ScrolltoOffandpress+toactivate.On

Hereyoupreprogrammedwantedppmvalue
andtheboostspeedforthefans.
Note:Togetbalancedventilationisa
prerequisitethatSupplyandExtractairfan
hasthesamevalueastheMAXvalueunder
4.5.1.3



4.5.1.5Cookerhood

Menuforprogrammingoffanspeedsby
activationofthekitchenhood.KVconnector
onthetopoftheunit(seepage23inthis
manual)shouldalwaysgetsignalfromthe
kitchenhoodwhenthisisactivated.Thisto
preventrotoralarm.


393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage11
SupplyandExtractairshouldhavethesame
valueastheMAXvalueunder4.5.1.3(Setto
100%fromfactory.)
Evenifitisinstalledan"active"kitchen
ventilatorwithpipingnotconnectedtowards
theunit,theKVplugmustgetthesignalto
seethatkitchenventilatorisactivated.This
canbedonebyusingaapressureswitchin
theexhausttubefromtheventilator.Then
Extractsetdowntoaround50%orlessto
compensatefortheextractairinthehood.
Note!IfKVsignalplugisnotinusefor
cookerhoodthenyoucanusethesignaltoget
moresupplyairwhentofireupafireplace.
Thenadjustsothatsupplyairdeliversmore
airthanextractairfan.Inthiscaseyoumust
useaswitchandnotimpulseswitch.
4.5.1.6Externalarm

Iftheunithasbeenconnectedtoanexternal
humiditysensorormotionsensor.UsetheD2
connectorontopoftheunit.(Seepage23in
thismanual).Note!Inorderforthisfeatureto
work,youneedtheone‐poleswitchmarked
RH%ON/OFFinsidetheunittobesetin
position1.(Seepage2ofthismanualforthe
locationofthisswitch).
SupplyandExtractairshouldhavethesame
valueastheMAXvalueunder4.5.1.3(Setto
100%fromfactory.)

4.5.1.7Absent

Menuforsettingthedesiredvaluesby
activatingaway/homefunction.
UsetheD3connectorontopoftheunit.(See
page23inthismanual)Functionisoperated
viaanexternalswitch.

Setvalueofthedesiredtemperaturewill
showinthedisplayafteractivatingthe
function.

4.5.1.8Calibration

Menureadingofembeddedtemperature
sensors.


Thesetemperaturesensorsare
deliveredcalibratedfromthe
manufacturerandshouldnotbeattempted
changeinhere.

The«Outsideair»sensornormally
shows3‐6°Chightertemperaature
thenthereeloutsidetemperature.Thisisdue
toheatingoftheairintheductnetworkfrom
theintakegrilletotheintakeoftheunit
wherethesensorareplaced.

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage12
4.5.1.9Defrost

Menuforhowtochangedefrostmodeif
temperatureislowandhumidityisheight.



Fromthestartupmenuyoucanseewhich
defrostmodetheunitissetin.


TheunitissetinmodeOFFfromfactory.
Ifitisneededtochangethedefrost
modetoanothermodethenpress
button4andscrolldowntoConfiguration
withbutton3.


Pressenterbuttonandfollowprocedure
asinMenu4.5Setuptocontinue.

Pressenterbutton

DefrostmodeOFFfromfactory.


Modus1:atlowhumidity.
Defrostingfunctionstartat‐20°C.


Modus2:atnormalhumidity.
Defrostingfunctionstartat‐15°C.



Modus3:athighhumidity.
Defrostingfunctionstartat‐10°C.



Thefunctionwhendefrostingstartsisthat
eachhourthesupplyairfanstopsfor6
minutes.TheheaterEVturnsoff.Extractair
fanreducesspeedto30%andtherotary
exchangerwillrunasnormal.

Toavoidthattherotaryexchangerwillstop
whenthecyclegoesbacktonormalfunction,
thesupplyairfanwillstartupthelastminute
ofthedefrostingmodecycle.

(Supplyairfanreactsdelayedrelativetothe
controlsignalsandrotaryexchangersothat
theheaterwillnotengage untilthespeedof
thesupplyairfanhaspassed250r/min,in
normaloperation).

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage13
4.5.1.10Displaynumber

Iftwocontrolpanelsshouldbeused,then
fromthismenuithastobespecifiedthatone
ofthecontrolpanelsis«Display1»andthe
otheroneis«Display2».Thistoavoiddelayin
thesignalsbetweenthecontrolpanelsand
maincontrolboardinsidetheunit.
Itdoesnotmatterwhichofthecontrolpanels
thatarecalledDisplay1orDisplay2.





393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage14
Mountinginstructions.Page14to27.
Tableofcontents:
1.General
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2.Mountingoftheunit
2.1Bracketsandgasketstoavoidvibration
2.2Stopperbrackets
2.3Mountingofcookerhood
2.4Ductcover
2.5Dimensionsandtechnicaldata
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3.Connections
3.1Electricalconnections
3.2Ductconnections
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4.Settingtheairflow
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5.Alarms
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1.General
Thisguideismadetoprovideinstallationanduserinstructionsregardingthecorrectinstallationof
AHU300BVandBH.
AHU‐300BVandBHisdesignedforheatrecoverywithairvolumesofupto300m³/h.Theenergy
fromtheexhaustairistransferredtosupplyairthroughtherotaryheatexchangerwheretheair
streamspasseachotherwithoutmakingcontact.
Theunithasabuiltin‐heaterforsupplementaryheatingofsupplyair.Humiditysensorforforced
ventilationisintegratedintoventilationunit.Controlpanelisintegratedintothefronthatch.Option
forasecondcontrolpaneltobeconnectedismadeoutsidetheunit.
Theunitcanalsoconnectadditionalequipmentcookerhoodoverthestove,pulseswitchfor
controllingtheforcedventilation,forexample,wetroomsorbathrooms,sensorforcarbon
managementandswitchmanagementaway/homefunction.Controloftheseoptionsareintegrated
intoAHU‐300BVandBH.
AHU300‐BVandBHissuppliedinpaintedfinish,testedandreadyforoperation.Installation,
commissioningandtuningmustbeperformedbyauthorizedpersonnel.
2.Mounting
Togetherwiththeunitisdeliveredthefollowingequipment:
1.Suspensionbracketandstoppers
2.WallBracketwithvibrationdampeninggasket
3.Self‐adhesivevibrationdamping
4.Accessoriesbagcontainingthenecessaryscrews
5.5pcs.plugsforconnectingadditionalequipment.
6.Keyforopeningthefronthatch.

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage15
First,selecthowtheunitshouldbemountedsothatthepipingsystemshouldbeaseasyaspossible.
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(SketchovershowAHU‐300BV)
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(SketchovershowAHU‐300BH)
Cooker
hood
Freshairfrom
outside
Supplyair
toroom
Extractair
fromroom
Exhaustair
Cooker
hood
ExhaustairExtractair
fromroom
Supplyair
toroom
Freshair
fromoutside

393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage16
Theunitcanalsobeplacedonthefloor.Itisthenimportantthatthereareplacedatleast50mm
insulationundertheunittopreventvibrationtothebuilding.Ifventilationunitwillbeplacedasthe
sketchshowsitmustnotbecoveredsothatserviceisprevented.
Ifplacedattheatticmakesurethatthereare
atleast500mmclearanceoverthefront
hatchsotherewillberoomforservice.
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2.1Bracketsandvibrationgasket
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Suspensionbracketscrewedontopof
theunitasshown.
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Use8pcsM5x16mm,suppliedwiththe
unit
(SketchovershowAHU‐300BV)
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Makesurethattheedgeprotectiongasketisplacedonthewallbracket.
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393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage17
Togettheunitinrightpositionusethe
followingbracketsandscrews.Inorder
toreliefthehangerbracketonthetop
itisimportanthoweveralsotomount
thebrackettobeundertheunit.
Ensurethatthescrewshitthebeams
behindthewalliftheunitistobehung
onalightwall.
Use6pcswoodscrews5x40mm,
suppliedwiththeunit,foreachbracket
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Mountthewallbracketwithvibration
gasket.Besurethatthevibration
gasketisintact.
Gluevibrationgaskettothebackoftheunit,seeillustration.Approx.60mmfromthebottomofthe
unit.
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2.2Stopperbrackets
Topreventtheunittobeliftedoutofthebracketsshouldbeinstalledtwostoppers.Usetwopcsof
woodscrews5x40mm,suppliedwiththeunit,foreachbracket.Inordernottotransmitvibration,itis
gluedvibrationmaterialonthesebrackets.
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393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage18
2.3Mountingofcookerhood
Ifkitchenexhausthoodistobeusedtogetherwiththeunit
Ifkitchenexhausthoodistobeconnectedintothe
topoftheunit,youmustremovetheendcapin
thetopthatismarked“COOKERHOOD”
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(SketchshowsAHU‐300BV)
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(SketchshowsAHU‐300BH)
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393800‐2Rev1:02.058.2017.KJK
Wereservetherighttochangetechnicaldatawithoutnotice.http://www.ensy.noPage19
2.4Ductcover
Ifyouwanttouseaductcovertohidethepipingsyouwillneedthedistance296mmfromtheroof
anddowntothetopofunit.
Theductcoverhastobeorderedseparatelyfromsupplier.(Art:0100207‐2)
Theinstructionhowtomountthisductcoveryouwillfindtogetherwiththeductcover.
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