Zehnder Rittling ComfoAir Compact CA155WM Manual de usuario
CA155WM CA155CM CA185WM
ComfoAir Compact
CA155WM / CA155CM / CA185WM
Mechanical Ventilation with Heat Recovery
Installation Instructions
Contents
2
Page
1.0 General Description / Physical Specications....................................... 3 - 4
2.0 Installation Instructions ........................................................................... 5
General Preparation.................................................................................... 5
Positioning .................................................................................................. 5
Conguration............................................................................................... 6
Mounting ..................................................................................................... 7
Access for Maintenance.............................................................................. 9
Condensate Drain....................................................................................... 10
DuctingGuidelines...................................................................................... 11
Electrical ..................................................................................................... 12
Wiring The Unit ........................................................................................... 13
Connecting to the BMS............................................................................... 13
3.0 On-Site Commissioning ........................................................................... 15
4.0 Guarantee .................................................................................................. 19
1.0 General Description / Physical Specications
3
1.1 Overview
1.1.1 The ComfoAir CA155WM / CA155CM / CA185WM is a ventilation system designed to provide improved
indoorairqualityindwellings.Asawholehousesystem,theunitcontinuouslyextractsairfromthe
non-habitableroomsandsuppliesfresh,lteredairtohabitablerooms.Heatthatisrecoveredfromtheair
drawnfromthebathroomsandkitchenispassedthroughaheatexchangerandtheheatthatisrecoveredis
transferred,totemperthesupplyairinhabitableroomstoprovideacomfortableindoorenvironment.
1.1.2 Aboostspeedfacilityisprovidedtoincreasetheventilationrate,e.g.whencookingorshowering,providinga
comfortableindoorenvironment.AZGS2SwitchLiveboostswitchcanbeusedtoprovidethisoperation
(See Section 2.8.5 Electrical).
1.1.3 Ancillary Items Required
ComfoAir CA155WM / CA155CM ComfoAir CA185WM
125mmDucting(rectangularductingcanbeused,
where appropriate)
150mmDucting(rectangularductingcanbeused,
where appropriate)
ZGS2 Hardwired switch providing switching
betweenlowandhigh(option)
ZGS2 Hardwired switch providing switching
betweenlowandhigh(option)
1.1.4 Packaging includes:-
1xHeatRecoveryUnit
1xWallFixingBracket(ComfoAirCA155WM/CA185WM)or
2xCeilingFixingBracket(ComfoAirCA155CM)
1xInstallationInstructions
1xUser/HomeownerGuide
1.1.5 Warning: Thisappliancecanbeusedbychildrenagedfrom8yearsandaboveand
personswithreducedphysical,sensoryormentalcapabilitiesorlackofexperience
andknowledgeiftheyhavebeengivensupervisionorinstructionconcerninguseof
theapplianceinasafewayandunderstandthehazardsinvolved.Childrenshallnot
play with the appliance.
1.1.6 SitingNotes:Whereanopen-uedoilorgas-fuelledapplianceisinstalledinthe
kitchen,extractventilationcancausethespillageofuegases.Caremustbetaken
toensureventilationisreducedappropriately,assetoutintheBuildingRegulations.
Kitchenswithsolid-fuelappliancesshouldnothaveextractfanstted.
1.1.7 Thedesign,materialspecicationandinstallationmustonlybecarriedoutby
"competentpersons".Electricalinstallationmustbecarriedoutbyaqualied
Electrician.
4
1.2 Physical Specications
1.2.1 ComfoAir CA155WM
546
Vireo HR155WM front
125
50
594
Vireo HR155WM side
298
644
Front View Side View
1.2.2 ComfoAir CA155CM
546
636
125
441
Vireo HR155CM front
733.519
320
Vireo HR155CM side
Front View Side View
1.2.3 ComfoAir CA185WM
839
60
550
Vireo HR185WM front
899
555
150
Vireo HR185WM side
Front View Side View
2.0 Installation Instructions
2.1 General Preparation
2.1.1 TheComfoAirCA155WM/CA155CMunitissuppliedwith4x125mmØspigots.
•125mmductingwithconnectorscanbeused(see Ancillary Section page 3) to provide performance
levelsrequiredforcompliancewithlocalBuildingRegulations.
2.1.2 TheComfoAirCA185WMunitissuppliedwith4x150mmØspigots.
•150mmductingwithconnectorscanbeused(see Ancillary Section page 3) to provide performance
levelsrequiredforcompliancewithlocalBuildingRegulations.
2.1.3 InstallationoftheunitshouldbeinaccordancewiththecurrenteditionsoflocalBuildingRegulationsandIEE
orlocalWiringRegulations.
2.1.4 Thedesign,materialspecicationandinstallationmustonlybecarriedoutby"competentpersons".Electrical
installationmustbecarriedoutbyaqualiedElectrician.
2.1.5 IMPORTANT NOTE: Gases from fuel-burning equipment must not be drawn
into any living areas. If any room, where air is extracted, contains a fuel-
burning appliance such as a central heating boiler, then either of the following
should be undertaken:
•Theuemustbeoftheroomsealedorbalanceduetypeor;
•Allowancemustbemadeforanadequatesupplyofairintotheroom.
2.2 Positioning
2.2.1 TheComfoAirCA155WM/CA185WMunitmustbeinstalledverticallyandcanbeeitherwalloroormounted
toenableeffectivecondensatedrainageineitherakitchen/servicecupboardorsecuredtoaverticalstructure
intheloftspace.Ductspigotsmustbeuprightattopofunit.
2.2.2 TheComfoAirCA155CMunitmustbeinstalledhorizontallywiththexingbracketsprovided.Theunitisnot
intendedforinstallationwithinautilityroom.
2.2.3 Itisnotadvisabletoinstalltheunitdirectlyaboveabedroomorlivingroomceiling,orinanareathatispartof
a living area or bedroom.
2.2.4 Considerationmustbegiventoallowforadequateaccessforservicing,maintenanceandanyfault
diagnostics (See Section 2.5 Access for Maintenance).
2.2.5 Theunitcanbeconguredforrightandlefthandinstallationatatouchofabuttonbyfollowingthesteps
withintheCommissioningWizard(See Section 3.1.4 Commissioning Wizard)anddoesnotrequireany
internal changes. (See Figures overleaf for ducting conguration).
5
6
2.3 Conguration
Note: Tochangethehandingoftheunit, followthesimplestepswithintheCommissioningWizard
(See Section 3.0).Automaticallydoneforyouviasoftware.
2.3.1 ComfoAir CA155WM
Right Hand (factory setting)
INTAKE
EXHAUST
SUPPLY
EXTRACT
Left Hand
EXTRACT
SUPPLY
EXHAUST
INTAKE
Right Hand (factory setting) Left Hand
2.3.2 ComfoAir CA155CM
Right Hand (factory setting)
INTAKE EXTRACT
SUPPLY
EXHAUST
Left Hand
EXTRACT INTAKE
EXHAUST
SUPPLY
Right Hand (factory setting) Left Hand
2.3.3 ComfoAir CA185WM
INTAKE
SUPPLY
EXHAUST
EXTRACT
Right Hand (factory setting)
EXTRACT
EXHAUST
SUPPLY
INTAKE
Left Hand
Right Hand (factory setting) Left Hand
7
2.4 Mounting
2.4.1 TheComfoAirCA155WM/CA185WMunitissuppliedwithonewallxingbracket.Thebracketisalongstrip
andhastwoadjustablexingpointslocatedattheendofthebracket.Screwsandxingsnotsupplied.
2.4.2 Proceedtoalignthewallbrackettakingintoaccounttheavailablewallspacetomounttheunit,ensuringthat
thewallcansupport20kg(ComfoAirCA155WM)and30kg(ComfoAirCA185WM).
2.4.3 Useaspiritleveltoassistmountingandlevellingthebracket.Securelyxbrackettowallusing
suitablexings.e ‘V’ slots located top and bottom of bracket to mar
2.4.4 Theunitxestothewallbracketbyslottingthebracketattachedtothebackoftheunitandhooking
into place.
Fixing Bracket
Note:
•Fixing Bracket height will be critical in kitchen cupboard.
•There should be no movement once correctly located and the lters should be accessible
from easily removing the panels on the front of the unit. (See Section 4.1.8, and 4.2.0,
Homeowner Guide).
2.4.5 TheComfoAirCA155CMunitissuppliedwithtwoadjustableceilingxingbrackets.Eachbracketisalong
stripandhasfourxingpointslocatedatequalintervals.Itisrecommendedthatsixscrewsperbracketare
usedtosecuretheunit.Screwsandxingsarenotsupplied.
WARNING: Ensure that the ceiling board can support 20kg
(ComfoAir CA155CM) or re-inforcement maybe required.
2.4.6 Proceedtoalignandsecuretherstceilingbrackettakingintoaccounttheavailableceilingspacetomount
theunit.Locatesecondbracketposition(See Figure 1) andlooselytfourscrewswithineachslotattheinner
nearsidepoint.Thiswillallowthebrackettobeslottedinwardstosecuretheunit.
640mm
Loosely Fix screws Securely Fix screws
1
2
Figure 1
2.4.7 Theunitxestotheceilingbracketbyslottingthebracketattachedtothebackoftheunitandslidinginto
place.Firstensureconnectionisachievedonthe“securely”xedbracket(See Figure 2) andpushunitupto
ceiling, slide“loosely”xedbrackettoconnectwiththebracketonthebackoftheunit(See Figure 3).
Securely locate
brackets together
Figure 2
Figure 3
2.4.8 Tightenloosescrewsuntiltheunitissecurelytted(See Figure 4),addanadditionaltwoscrewstothe
outsideslots.ScrewpointsforbothbracketsareshowninFigure 5.
Figure 4
Figure 5
Note:
•There should be no movement once correctly located and the lters should be accessible
from easily removing the panels on the front of the unit (See Section 4.1.9, Homeowner
Guide).
8
2.5 Access for Maintenance
2.5.1 Footprint of ComfoAir CA155WM
500mm
HR155WM
Top View
2.5.2 Footprint of ComfoAir CA155CM
500mm
HR155CM
Top View
2.5.3 Footprint of ComfoAir CA185WM
600mm
HR185WM
Top View
9
2.6 Condensate Drain
2.6.1 ItisimportantthatanycondensateMUSTbedrainedaway.
•TheComfoAirCA155WM/CA185WMunitisprovidedwithacondensatedrainlocatedatthebaseof
theunitunderneath(See Figures 6-10).
•TheComfoAirCA155CMunitisprovidedwithacondensatedrainlocatedatthesideoftheunit
(See Figures 11-13) and can be rotated for ease of connection.
Thedrainplugallowsacondensatedrainhose(21.5mmdiameter)tobepushconnectedandsolvent
welded/sealed.Pleaseensureawatertightsealisachieved.
2.6.2 Thedrainmusthaveacontinuousminimumfallof6mmper1mrunandcaneitherbechasedintothewallor
rundownwardsfromtheunitintothenearestwastewaternetwork.Ensurethatstepsaretakentominimise
the risk of mechanical damage to the drainage pipe work.
IMPORTANT NOTE: The condensate drain must incorporate a U bend to
create an air block and avoid leakage of smells back into the unit. If the unit
is installed within a loft space, please ensure that the condensate drain is
insulated to prevent against freezing.
2.6.3 Insomeinstances,acondensateconnectingpointwillalreadybeprovidedaspartofthebuildingdesign.
Thepositionofthispoint,relativetowheretheunitistobeinstalledshouldbecheckedforanyconnection
misalignmentandanynecessaryadjustmentmadebeforeproceedinganyfurther.
ComfoAir CA155WM / CA185WM
ComfoAir CA155WM ComfoAir CA155WM
HR155WM/185WM Condensate connection
HR155WM
HR155WM
Figure 6 - Close up view
of condensate
Figure 7 - Front View Figure 8 - Side View
ComfoAir CA185WM
HR185WM
ComfoAir CA185WM
HR185WM
Figure 9 - Front View Figure 10 - Side View
10
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