aerauliqa QR590E User manual

1
G
Read this manual carefully before using the product and keep it in a safe
place for reference as necessary.
This product was constructed up to standard and in compliance with
regulations relating to electrical equipment and must be installed by
technically qualified personnel.
Themanufacturerassumesnoresponsibilityfordamagetopersonsorproperty
resulting from failure to observe the instructions contained in this manual.
1 Index 1
2 Precautions 2
3 Product information 2
3.1 General 2
3.2 Dimensions and Weight 3
3.3 Connections 3
3.4 Space required 4
3.5 Rating label 4
4 Transport and Storage 4
5 Installation 4
5.1 Unpacking 4
5.2 Where/how to install 4
5.3 Installation 5
5.4 Electric Connections 6
6 Commissioning 7
6.1 Setting Fan speed 7
6.2 Before Starting the System 8
7 Operation 8
7.1 User Menu on CTRL-DSP 9
7.2 Installer Menu on CTRL-DSP 11
7.3 Additional functionalities 14
8 Maintenance and service 15
8.1 Components list 15
8.2 Description of Components 15
8.3 Maintenance 16
8.4 Service 17
8.5 Trouble shooting 18
1 INDEX
Installation Manual (installer & user)
QR590E
Energy Recovery Ventilation Unit with enthalpic heat exchanger

2
2 PRECAUTIONS
WARNING
Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or
electrical work!
WARNING
The installation and service of the unit and complete ventilation system must be performed by an authorized installer and in
accordance with local rules and regulations.
TRANSPORT AND STORAGE
•Donotleavethedeviceexposedtoatmosphericagents(rain,sun,snow,etc.).
•Ductconnections/ductendsmustbecoveredduringstorageandinstallation.
INSTALLATION
•Afterremovingtheproductfromitspackaging,verifyitsconditions.Donotleavepackagingwithinthereachofchildrenor
people with disabilities.
•Bewareofsharpedges.Useprotectivegloves.
•Thedeviceshouldnotbeusedasanactivatorforwaterheaters,stoves,etc.,norshoulditdischargeintohotair/fumeventducts
deriving from any type of combustion unit or tumble dryer. It must expel air outside via its own special duct.
•Iftheenvironmentinwhichtheproductisinstalledalsohousesafuel-operatingdevice(waterheater,methanestoveetc.,that
isnota“sealedchamber”type),itisessentialtoensureadequateairintake,toensuregoodcombustionandproperequipment
operation.
•Theelectricalsystemtowhichthedeviceisconnectedmustcomplywithlocalregulations.
•Beforeconnectingtheproducttothepowersupplyorthepoweroutlet,ensurethat:
 -thedataplate(voltageandfrequency)correspondtothoseoftheelectricalmains
- the electrical power supply/socket is adequate for maximum device power
•Forinstallationanomnipolarswitchshouldbeincorporatedinthexedwiring,inaccordancewiththewiringrules,toprovide
a full disconnection under overvoltage category III conditions (contact opening distance equal to or greater than 3mm).
USE
•Thedeviceshouldnotbeusedforapplicationsotherthanthosespeciedinthismanual.
•Thisappliancecanbeusedbychildrenagedfrom8yearsandaboveandpersonswithreducedphysical,sensoryormental
capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved. Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children without supervision.
•Donottouchtheappliancewithwetordamphands/feet.
•The device is designed to extract clean air only, i.e. without grease, soot, chemical or corrosive agents, or ammable or
explosive mixtures.
•Donotusetheproductinthepresenceofinammablevapours,suchasalcohol,insecticides,gasoline,etc.
•The system should operate continuously, and only be stopped for maintenance/service.
•Donotobstructductsorgrillestoensureoptimumairpassage.
•Donotimmersethedeviceoritspartsinwaterorotherliquids.
•Operatingtemperature:0°Cupto+40°C.
SERVICE
•Althoughthemainssupplytotheunithasbeendisconnectedthereisstillriskforinjuryduetorotatingpartsthathavenotcome
to a complete standstill.
•Bewareofsharpedges.Useprotectivegloves.
•Useoriginalsparepartsonlyforrepairs.
3 PRODUCT INFORMATION
3.1 General
ThisistheInstallationManualofQR590Eenergyrecoveryventilationunit.
This manual consists of basic information and recommendations concerning installation, commissioning, use and service
operations to ensure a proper fail-free operation of the unit.
The key to proper, safe and smooth operation of the unit is to read this manual thoroughly, use the unit according to given
guidelines and follow all safety requirements.
TheQR590EissuppliedwithitsCTRL-DSPremotemultifunctioncontrolpanelasstandard.
WARNING
If any abnormality in operation is detected, disconnect the device from the mains supply and contact a qualified technician
immediately.

3
Ø155
Ø148
778
861
799 62
144 490 144
180
247 123
279 220
549
279
Ø155
Ø148
778
861
799 62
144 490 144
180
247 123
279 220
549
279
Weight Kg
50
B
A
D
C
778
490 144144
279 279
220
247 180
A
B
C
D
Ø155
Ø148
778
861
799 62
144 490 144
180
247 123
279 220
549
279
ø155
ø148
799
861
62
549
123
3.2 Dimensions (mm) and Weight
3.3 Connections
Fig. 3.a Connections in LEFT orientation
Intake air from outside
Exhaust air to outside
Supply air to inside
Extract air from inside
A
B
D
C
LEFT Connections from and to outside are set on the left side of the unit front view DEFAULT
RIGHT Connections from and to outside are set on the right side of the unit front view
The factory setting is LEFT.

4
3.5 Rating label
Fig.3.c Rating label
D
C
B
A
3.4 Space required
Makesurethatenoughspaceisleftaroundtheunittoalloweasymaintenance(accesstolters,terminalboxandremovalofthe
sideandfrontinspectionpanels).
TosettheRIGHTorientationofthemachine:
•ModifytheorientationontheCTRL-DSP(point7.2-Installermenu:3MachineOrientation).
•MovetheF7lterfromthelefttotherightside.
•Replacetheductingconnectionlabelonthetopofthecasingwiththeonesuppliedwiththisinstallationmanual.
Fig. 3.b Connections in RIGHT orientation
Intake air from outside
Exhaust air to outside
Supply air to inside
Extract air from inside
A
B
D
C
4 TRANSPORT AND STORAGE
The appliance is delivered in one carton box.
The appliance should be stored and transported in such a way that it is protected against physical damage that can harm spigots,
casing, display etc.
It should be covered so that dust, rain and snow cannot enter and damage the unit and its components.
5 INSTALLATION
This section describes how to install the unit correctly. The unit must be installed according to these instructions.
5.1 Unpacking
Verifythattheunit(andeventualaccessories)deliveredisaccordingtoorderbeforestartingtheinstallation.Anydiscrepancies
from the ordered equipment must be reported to the supplier.
5.2 Where/how to install
•All QR units are meant for indoor installation in a heated space.
•Mounttheunitonflatsurface(wall).
•The unit must always be installed vertically.
•It’s important that the unit is completely leveled before it is put into operation.
•Placetheunitpreferablyinaseparateroom(e.g.storage,laundryroomorsimilar).
•When choosing the location it should be kept in mind that the unit requires maintenance regularly and that the inspection doors
should be easily accessible.
•Leavefreespaceforopeningtheremovablepanelsandforremovalofthemaincomponents(see3.4).
•The outdoor air grilles if possible be put in the northern or eastern side of the building and away from other exhaust outlets like
kitchen fan exhausts or laundry room outlets.
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!

5
Fig. 5.a.b
Fig. 5.c
Fig. 5.d Fig. 5.e
Livella a bolla d’aria
5.3 Installation
The unit must be installed in the following position.
Spirit level
5.a Preparethesurfacewheretheunitistobemounted.Makesurethatthesurfaceisat,leveledandthatitsupportstheweight
of the unit. Perform the installation in accordance with local rules and regulations.
5.b Usethewallxingbracketastemplatetoindicatewheretodrilltheholesinthewall:makesureitisatspiritlevel.Use
appropriatescrewsandwallplugs(notsupplied)toxthewallxingbracket.
5.c Hook the unit at its bracket and fix it by means of the safety screw.
5.d Connect the unit to the duct system. Make sure that all necessary accessories are used to create a functional ventilation
solution.
5.e Connect the unit electrically according to point 5.4. Check that it starts up correctly.
Ø150-160
Ø150-160

6
5.4 Electric Connections
The unit must be earthed.
TheQR590Eiswiredinternallyfromfactory.
ToconnectthetheCTRL-DSPtothemotherboardusea4poletwisted-paircable:maxlength30m.
Figures below show the wiring diagram.
WARNING
Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or
electrical work!
WARNING
The installation and service of the unit and complete ventilation system must be performed by an authorized installer and in
accordance with local rules and regulations.
SLAVE input
1-10V
J2jumperforSLAVEmode
AC power supply
Heat output
(max250Vac5A)
Dehumidifier output
(max250Vac5A)
Boost momentary
switch(BST)
IAQ input
(AirQuality
i.e. SEN-CO2)
HY input
(i.e.SEN-HY)
CTRL-DSP
Inputs/commands
N°1ACsupplyconnector
N°3on/offinputs(volt-freecontacts),twoforambientsensors(namedHY,IAQ)andoneforboostmomentaryswitch(named
BST).
N°11-10Vanaloginput(namedSLAVE).
N°1jumperforSLAVEMODEselection.
N°14-poleconnectorforCTRL-DSP(RS485plus12Vdcsupply).
Outputs
N°1on/offoutputforpre-heating/post-heating(relaycontact–250Vac5A).
N°1on/offoutputfordehumidication(relaycontact–250Vac5A).
Fig. 5.g Electrical connections on the motherboard fitted in the terminal box.
+12V
A B GND
AB
1
2
V
G
N
D

7
6 COMMISSIONING
6.1 Setting Fan speed
Thespeedoftheunitcanbeadjustedduringinstallationaccordingtorequiredventilationrate.
Figure 6.a belowshowsperformancecurves(forsupplyairandextractair)atdifferentsettingsofthe0-10Vsignaltothemotors.
Airowandconsumptionrefertoonesinglemotor.
Table 6.b indicates the sound level at the different speed.
Fig. 6.a Performance curve
Static Pressure - Pa
Curve Speed
%
W
max
m3/h
max
A(min) 20 11 108
B 37 38 249
C 54 117 396
D 58 146 432
E 67 234 516
F 81 305 555
G(max) 100 343 595
0
50
100
150
200
250
300
350
400
450
500
550
600
0 50 100 150 200 250 300 350 400 450 500 550 600
A
B
C
D
E
FG
IntakecurveaccordingtoRegulation1253/2014
(ErP).ProducttestedwithoutlterF7.
Airow-m3/h
0
10
20
30
40
50
60
70
80
90
100
0 50 100 150 200 250 300 350 400 450 500 550 600
Curva di efficienza termica
Curva di efficienza igrometrica
The enthalpic heat exchanger data
Testconditions:
Indoorair25°Cand50%RH
Externalair5°C70%RH
Efciency-%
Airow-m3/h
Thermical efficiency curve
Hygrometric efficiency curve
Speed 100%
Lw dB - SOUND POWER OCTAVE BAND Lp dB(A)
63 125 250 500 1 K 2 K 4 K 8K Tot @3m
Intake 83 65 70 73 62 58 53 47 84 51
Supply 81 65 65 66 57 51 42 33 81 45
Extract 80 63 66 68 60 54 45 34 78 47
Exhaust 78 65 70 71 62 59 53 45 80 50
Breakout 81 69 67 69 62 56 48 36 82 48
Speed 80%
Lw dB - SOUND POWER OCTAVE BAND Lp dB(A)
63 125 250 500 1 K 2 K 4 K 8K Tot @3m
Intake 73 61 67 69 59 56 50 43 75 47
Supply 72 61 63 65 56 50 41 31 74 43
Extract 73 60 63 65 57 51 42 31 74 44
Exhaust 73 61 66 67 58 55 49 41 75 46
Breakout 71 64 62 67 59 53 45 33 74 45

8
6.2 Before Starting the System
Whentheinstallationisnished,checkthat:
•Filtersaremountedcorrectly
•Theunitisinstalledinaccordancewiththeinstructions
•Theunitiscorrectlywired
•Eventualoutdoorandexhaustairdampersandsilencersareinstalledandthattheductsystemiscorrectlyconnectedtotheunit
•Allductsaresufcientlyinsulatedandinstalledaccordingtolocalrulesandregulations
•Outdoorairintakeispositionedwithsufcientdistancetopollutionsources(kitchenventilatorexhaust,centralvacuumsystem
exhaustorsimilar)
•Theunitiscorrectlysetandcommissioned.
A
B
D
C
T12 T21 T11 T22
EXTRACT
SUPPLY
INTAKE
EXHAUST
7 OPERATION
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!
Fig. 7.a Temperature probes
in LEFT orientation
Intake air from outside
Exhaust air to outside
Supply air to inside
Extract air from inside
A
B
D
C
In case of RIGHT orientation, follows instructions as per point 3.3 - Fig. 3.b in order to get the temperature probes operate
correctly.
Speed 60%
Lw dB - SOUND POWER OCTAVE BAND Lp dB(A)
63 125 250 500 1 K 2 K 4 K 8K Tot @3m
Intake 65 61 68 67 58 56 49 41 72 46
Supply 63 59 63 64 55 49 40 29 69 42
Extract 64 59 63 63 56 51 41 30 69 42
Exhaust 64 60 66 67 57 54 48 41 71 45
Breakout 59 64 63 65 57 51 43 31 70 44
Table 6.b Sound level
Preliminary data. dBA figures are average spherical free-field, for comparitive use only.
Speed 40%
Lw dB - SOUND POWER OCTAVE BAND Lp dB(A)
63 125 250 500 1 K 2 K 4 K 8K Tot @3m
Intake 55 55 67 55 49 47 40 31 68 39
Supply 53 53 62 52 47 41 32 22 63 35
Extract 58 52 60 51 47 42 32 22 63 34
Exhaust 55 54 66 55 49 47 40 31 67 39
Breakout 54 53 59 52 48 43 33 23 62 34

9
R
EGH
J
K
Q
PN
E
G
DATE:showsthecurrentdate
MODE:showstheoperationmode
SPEED:shows the selected speed
TIME:showsthetime
FILTER ALARM:showsthatltersneedtobemaintained/replaced
BOOST:showsthatBOOSTspeedisactivated
BOOST KEY:tomanuallyactivatetheBOOSTspeed
FILTER RESET KEY:toresettheFilterAlarm
ESCkey:toexitandgobacktothepreviousmenu
OKkey:toentertheselectedmenu
to go DOWN with the menu selection
to go UP with the menu selection
to power off the ventilation unit
shows ERROR ALARM - see point 7.3 to check the type of error
this symbol shows if the bypass is active
this symbol shows that ANTI-FROST is active
this symbol shows that the IAQ input is activated, i.e.CO2
this symbol shows that the HY input is activated.
this symbol shows that NIGHT MODE is activated
this symbol shows that Heating output is activated
H
J
K
N
O
P
Q
R
S
U
X
Some operations can be selected either from the CTRL-DSP buttons or from the menu
W
VUTS X
OML
F
I
F
I
L
M
T
V
W
Fig. 7.b CTRL-DSP
Whenpoweredon,theCTRL-DSPdisplaysasfollows:
7.1 User Menu on CTRL-DSP
To enter the user menu press OK or ESC.
ToexittheusermenupressESCorwaitforabout60seconds.
Fig. 7.c CTRL-DSP operation screen
User menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Installer menu
Use or to select the menu.
Press OK to enter.

10
Modeselectionallowsthechoiceamong3V(threespeed),OFFandHOLIDAYmode.
Press OK to enter.
Use or to choose the mode.
Press OK to select.
Press ESC to go back to the previous menu.
User menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Installer menu
Mode selection
3V
3V mode (DEFAULT)
3Visashing:pressOKtoselect.
Once powered on, the unit runs at speed 1.
PressESCorwaitforabout60sectogobacktotheoperationscreen(Fig.7.c).
IncaseofactivationofeitherHYorIAQsensorinputs(ORlogic),theunitspeedincreases
by15%,andthesensorrelatediconorisdisplayed.Onceallon/offsensorsinputs
are deactivated, the unit reverts back to selected speed.
IncasetheuserhasactivatedtheNIGHTMODE,duringnocturnalhours(from8:00
p.m.to8:00a.m-xedperiodoftime)thesensorlogicdescribedaboveisignored(the
sensorshavenoeffectandtheunitrunsatselectedspeed).
Mode selection
Holiday
HOLIDAY mode
Holidayisashing:pressOKtoselect.
The unit works at HOLIDAY speed.
PressESCorwaitforabout60sectogobacktotheoperationscreen.
Mode selection
OFF
OFF mode
OFFisashing:pressOKtoselect.
Thefansareswitchedoff(thepowersupplytothemotorsisinterrupted).
PressESCorwaitforabout60sectogobacktotheoperationscreen:OFFisdisplayed.
User menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Installer menu
It allows to select the Boost speed.
Press OK to select.
Choice NO or YES using or .
Press OK to select.
Boost speed can be selected only if the Mode selection is 3V or HOLIDAY.
Boostfunctioncanbeactivatedintheseways:
- In the user menu, with the Boost function
-viatheBOOSTbuttonontheCTRL-DSP(Fig.7.b-)
-UsingamomentaryswitchconnectedtotheBSTON/OFF(onlyifnodehumidieris
installed)-Fig.5.g.
When Boost is active, the icon isdisplayedontheLCDandtheunitrunsat100%
speed for the duration set in the “Boost duration” menu; afterwards the unit reverts to
selected speed.
Boost can be deactivated by holding BOOST button on the CTRL-DSP for 2 seconds.
User menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Installer menu
It allows to set the duration of the boost speed.
Press OK to select.
Thefactorysetting(DEFAULT)is15’.
Timeoptionsare15’-30’-45’-60’.
Timeisashing:useincrease the time and to decrease.
Press OK to select.
User menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Installer menu
It allows to reset the filter alarm after maintenance/replacement.
ItcanbeselectedonlyiftheFILTERiconisdisplayed(Fig.7.b-).
Press OK to select.
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User menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Installer menu
It allows to deactivate the automatic operation of the speed increased via sensors during
nocturnal hours.
Itoperatesfrom8:00p.m.to8:00a.m(xedperiodoftime).Thesensorshavenoeffect
and the unit runs at the selected continuous speed.
OFFisashing:useor to chance to ON.
Press OK to select.
Thefactorysetting(DEFAULT)isOFF.
User menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Installer menu
It allows to select the Installer menu.
Press OK to enter the Installer menu.
Press ESC to go back to the previous menu.
Enter
installer menu?
7.2 Installer Menu on CTRL-DSP
TheInstallermenucanbeselectedeitherbyselectingpoint6)intheUsermenuorbyholdingOK+ESCforabout7seconds.
ToexittheinstallermenupressESCorwaitforabout60seconds.
It allows to select the language among English, Italiano, Nederlands, Français, Deutsch,
Espanol.
Press OK to enter.
Languageisashing:useor to choose.
Press OK to select.
Thefactorysetting(DEFAULT)isEnglish.
Installer menu
1 Language
2 Date/Time
3 Machine orientation
4 Bypass settings
5 Heating
6 Heating Threshold
7 Dehumidication
8 Speed Setting
9 Airow Balancing
10 F7 lter
11 Filter Alarm interval
12 Working Hours Counter
13 Save settings
14 Load settings
15 Restore Default Settings
16 Contrast
17 Debug page
Use or to select the menu.
NOTE:
Menu 6 “Heating Threshold” displays only if Menu 5 “Heating” is set on PRE or POST.
Installer menu
1 Language
2 Date/Time
3 Machine orientation
4 Bypass settings
5 Heating
It allows to set the date and the time
Press OK to enter.
Use or to choose.
Press OK for setting and again to confirm.
Press ESC to go back to the previous menu.
Installer menu
1 Language
2 Date/Time
3 Machine orientation
4 Bypass settings
5 Heating

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Installer menu
1 Language
2 Date/Time
3 Machine orientation
4 Bypass settings
5 Heating
Itallowstoselecttheorientationoftheductconnectionsfromandtooutside(LEFTor
RIGHT-paragraph3.3).
Press OK to enter.
Use or to choose.
Press OK for setting.
Thefactorysetting(DEFAULT)isLEFT.
Installer menu
1 Language
2 Date/Time
3 Machine orientation
4 Bypass settings
5 Heating
It allows to set the Bypass operation parameters
Press OK to enter.
Use or to choose “Desired Temperature”,“Tmax Free Heating”,“Tmin Free Cooling”
Fordenitionssee“Bypass”(paragraph7.3)
Press OK to select.
Thesettingrangesare:
DesiredTemperature:15°C÷30°C
TmaxFreeHeating:25°C÷30°C
TminFreeCooling:15°C÷20°C
Use or to increase or decrease the temperature.
Press OK to select.
Press ESC to go back to the previous menu.
Thefactorysettings(DEFAULT)are:
DesiredTemperature:23°C
TmaxFreeHeating:28°C
TminFreeCooling:18°C
Installer menu
1 Language
2 Date/Time
3 Machine orientation
4 Bypass settings
5 Heating
Tobeselectedonlyincaseanexternalheatingelement(notsupplied)ispresent.
Press OK to enter.
Use or to choose NO/PRE/POST.
Press OK to select.
Thefactorysetting(DEFAULT)isNO.
NO:HEAToutput(Fig.5.g)isneveractivated
PRE:theheatingelementisintalledat“intakeairside”(Fig.7.a-).
HEAToutput(Fig.5.g)isactivatedandheatingicondisplaysonLCDwhen
T21<HEATINGTHRESHOLD(Fig.7.a)
POST:theheatingelementisintalledat“supplyairside”(Fig.7.a-).
HEAToutput(Fig.5.g)isactivatedandheatingicon displays on LCD when
T11<HEATINGTHRESHOLD(Fig.7.a)
Installer menu
6 Heating Threshold
7 Dehumidication
8 Speed Setting
9 Airow Balancing
10 F7 lter
This option displays only if “Heating” is set on PRE or POST.
It allows to set the heating threshold in case of PRE or POST heating.
Press OK to enter.
Use or to set the temperature.
Press OK to select.
Settingranges:
PRE:-20°C÷0°C
POST:+15°C÷+25°C
Thefactorysettings(DEFAULT)are:
PRE:-10°C
POST:+20°C
Installer menu
6 Heating Threshold
7 Dehumidication
8 Speed Setting
9 Airow Balancing
10 F7 lter
Tobeselectedonlyincaseanexternaldehumidier(notsupplied)ispresent.
Press OK to enter.
Use or to choose NO or YES.
Thefactorysetting(DEFAULT)isNO.
TheDHrelayoutputisactivatedwhentheHYinputisactivated(Fig.5.g)andtheicon
is displayed.
Note:incasedehumidierisinstalled,theBSTinput(Fig.5.g)isusedasalarmoutput.
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TobeselectedonlyincaseanF7lterisinstalledatthesupplyairside(Fig.7.a).
Press OK to enter.
Use or to choose “Not installed” or “Installed”.
Press OK to select.
Thefactorysetting(DEFAULT)is“Installed”.
Itallowstoadjustthevariousspeeds.
Press OK to enter.
Use or to choose speed 1, speed 2, speed 3 or Holiday.
Press OK to select.
Thesettingrangesare:
speed1:10%÷80%
speed2:20%÷90%
speed3:60%÷100%
Holiday:10%÷40%
Use or to increase or decrease the speed percentage.
Press OK to select.
Press ESC to go back to the previous menu.
Thefactorysettings(DEFAULT)are:
speed1:40%
speed2:70%
speed3:100%
Holiday:20%
Installer menu
6 Heating Threshold
7 Dehumidication
8 Speed Setting
9 Airow Balancing
10 F7 lter
Installer menu
6 Heating Threshold
7 Dehumidication
8 Speed Setting
9 Airow Balancing
10 F7 lter
Itallowstoadjustthebalancingofthetwoairows.
Press OK to enter.
“Supplyairow”ishighlighted.
Press OK to enter.
Thesettingrangeis:-20%÷+20%
Use or toadjustsupplyairowagainstextractairow
Press OK to select.
Press ESC to go back to the previous menu.
Thefactorysettings(DEFAULT)is0%
Installer menu
6 Heating Threshold
7 Dehumidication
8 Speed Setting
9 Airow Balancing
10 F7 lter
Installer menu
11 Filter Alarm interval
12 Working Hours Counter
13 Save settings
14 Load settings
15 Restore Default Settings
It allows to set the FilterAlarm period: the system has a timer which activates the
“Filter” warning on the LCD at regular intervals.
Press OK to enter.
Use or to choose among 2-3-6 months or OFF.
Press OK to select.
Thefactorysetting(DEFAULT)is3monthsifF7lteris“Installed”or6monthsifF7
filter is “Not installed”
Installer menu
11 Filter Alarm interval
12 Working Hours Counter
13 Save settings
14 Load settings
15 Restore Default Settings
The system keeps trace of the actual working hours of the unit. This value cannot be
changed. Data is saved both on the motherboard and on the control panel CTRL-DSP,
to be safe in case of fault.
Press OK to enter.
Press OK or ESC to go back to the previous menu.
Itallowstosavethesettingofthe#1(prototype)installationintheinternalmemoryof
the CTRL-DSP to be loaded afterwards in other units.
Press OK to enter.
Use or to choose the position where to save hte setting. Up to 8 differrent
settings can be saved.
Press OK to select.
Press OK to confirm.
Press ESC to go back to the previous menu.
Installer menu
11 Filter Alarm interval
12 Working Hours Counter
13 Save settings
14 Load settings
15 Restore Default Settings

14
It allows to load the saved setting on the next unit.
Press OK to enter.
Use or to choose the desiderd saved setting.
Press OK to select.
Press OK to confirm.
Press ESC to go back to the previous menu.
Itallowstorestoreallthefactorysettings(DEFAULT).
Press OK to enter.
Press OK to confirm.
It allows to set the LCD contrast.
Press OK to enter.
Use or to increase or decrease the contrast.
Press OK to confirm.
It shows the internal functional parameters of the unit.
Press OK to enter.
Press ESC to go back to the previous menu.
Installer menu
11 Filter Alarm interval
12 Working Hours Counter
13 Save settings
14 Load settings
15 Restore Default Settings
Installer menu
11 Filter Alarm interval
12 Working Hours Counter
13 Save settings
14 Load settings
15 Restore Default Settings
Installer menu
16 Contrast
17 Debug page
Installer menu
16 Contrast
17 Debug page
7.3 Additional functionalities
SLAVE MODE
Incase theSLAVEjumper (Fig. 5.g- JP2)isshort-circuited beforepowering theunit,the unitworks inSLAVE MODE;the
operatingspeedisdeterminedbythe1-10VsignalreceivedattheSLAVEinput.AlltheoperatinglogicsdescribedintheMode
selectionareignored(paragraph7.1).
BYPASS
TheQR590Eisequipped withaphysicalbypass whichallowsto mitigatethe heatexchangewhen theindoor andoutdoor
temperature combinations are such that the heat exchange is not recommended. In this case the Bypass icon is activated
on the LCD.
Theparameters“DesiredTemperature”,“TmaxFreeHeating”,“TminFreeCooling”(InstallerMenu4)aretobemeantasfollows:
“Desired Temperature” is the ambient temperature desired by the user
“Tmax Free Heating” is the maximum outside temperature allowed for free heating operation
“Tmin Free Cooling” is the minimum outside temperature allowed for free cooling operation.
FAULT HANDLING
Codeerrordescription(Fig.7.b-)
E000noRS485connection
E001norotationoftheexhaustairfan(Fig.8.a-)
E002norotationoftheintakeairfan(Fig.8.a-)
E003thermistorT11broken/disconnected(Fig.7.a)
E004thermistorT12broken/disconnected(Fig.7.a)
E005thermistorT21broken/disconnected(Fig.7.a)
E006thermistorT22broken/disconnected(Fig.7.a)
E007dehumidieralarm(BSTINPUT)
E008CTRL-DSPinternalerror
NOTE:thecontrollerboardveriesthepresenceofCTRL-DSPperiodically;ifCTRL-DSPisabsent(orfaulty),theunitworksin3V
modeatspeed1(DEFAULTcondition).
ANTI-FROST
Intake Fan speed is reduced during very cold weather in order to prevent ice inside the unit which could damage the heat
exchanger.
In this case the ANTI-FROST icon is activated on the LCD.
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Maintenance can be carried out by the user.
Service must be performed only by an authorized installer and in accordance with local rules and regulations.
Questions regarding installation, use, maintenance and service of the unit should be answered by your installer or place of
purchase!
8 MAINTENANCE AND SERVICE
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!
8.1 Components list
Fig. 8.a Internal components
1
2
3
4
5
6
7
8
G4 FILTER
F7 FILTER
HEAT EXCHANGER
THERMISTOR
FAN, INTAKE AIR
FAN, EXHAUST AIR
ELECTRICAL CONNECTION BOX
CABLE ENTRY
3
5
2
4
6
1
7
8
8.2 Description of Components
Fans
ThefanshaveexternalrotormotorsofECtypewhichcanbesteplesslycontrolledindividuallybetween10–100%.Themotor
bearings are life time lubricated and maintenance free. It is possible to easily disconnect and replace the fans if necessary.
Filters
The filters are of filter quality G4 for both the supply air and extract air filter. In addition an F7 Filter is supplied at the air intake.
Theltersneedtobecleanedregularly(andreplacedwhenpolluted)duringmaintenance.Newsetsoflterscanbeacquired
from your installer or wholesaler.
Heat exchanger
Theunitisequippedwithanenthalpicheatexchanger,suitabletotransferthermalenergyandhumidityfromoneairowtothe
other. The heat exchanger is removable for cleaning and maintenance during service.
Thermistors
Temperature probes to implement temperature dependent functions.

16
Fig. 8.e
Fig. 8.d
Fig. 8.cFig. 8.b
Fig. 8.gFig. 8.f
8.3 Maintenance
•Keep the unit surface free from dust.
•Cleanthefilterswithavacuumcleanerfollowingthebelowillustrations(Fig.8b-c-d-e-f-g)whentheFILTERsignalisdisplayed
on LCD. Their maintenance may differ per situation depending on the internal and external environmental conditions.
•PressFILTERbutton(Fig.7.b-)toresettheFilterAlarm.
•Filters must be replaced every year.
WARNING
Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or
electrical work!
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Fig. 8.mFig. 8.l
Fig. 8.iFig. 8.h
Fig. 8.n Fig. 8.o
Fig. 8.kFig. 8.j
•Keep the unit surface free from dust.
•Cleanthefilterswithavacuumcleanerfollowingthefollowingillustrations(Fig.8h-i-j-k-l-m)whentheFILTERsignalisdisplayed
on LCD. Their maintenance may differ per situation depending on the internal and external environmental conditions. Press
FILTERbutton(Fig.7.b-)toresettheFilterAlarm.Filtersmustbereplacedeveryyear.
•Clean the heat exchanger every year with a vacuum cleaner. This may differ per situation depending on internal and external
environmentalconditionsandonfrequencyoffiltercleaning(Fig.8h-i-j-n-o-l).
•Clean the fans every year with a vacuum cleaner. This may differ per situation depending on internal and external environmental
conditionsandonfrequencyoffiltercleaning.Donotmovethebalanceclipsofthefan(Fig.8h-i-j-m).
8.4 Service
WARNING
Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or
electrical work!
WARNING
The installation and service of the unit and complete ventilation system must be performed by an authorized installer and in
accordance with local rules and regulations.
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Fig. 8.l
Fig. 8.m
8.5 Trouble shooting
Fans do not start
1. Check that main supply gets to the unit.
2.Checkthatallconnectionsareworking(allconnectionsinterminalboxandfastcouplingsofintakeandexhaustairfans).
Reducedairow
1.ChecksettingoffanspeedontheCTRL-DSP(controllersupplied).
2. Check filters. Change of filters required?
3. Check diffusers. Re-setting or cleaning of grilles and diffusers required?
4. Check fans and heat exchange block. Cleaning required?
5. Check if air intake and exhaust have been clogged.
6. Check ducting system for damage and/or dirt accumulation.
7. Check if Anti-frost icon is displayed on LCD.
Fan noise/vibrations
1. Clean fan impellers. Cleaning required?
2. Check that the fans are firmly in place within the unit.
Excessive air noise
1.ChecksettingoffanspeedontheCTRL-DSP(controllersupplied).
2. Check grilles and diffusers. Re-setting or cleaning of grilles and diffusers required?
Unpleasant smell
1. Check filters. Change of filters required?
2. Check ducting system and grilles and diffusers. Cleaning required?

19
ErP Directive - Regulations 1253/2014 - 1254/2014
a) Mark -AERAULIQA
b) Model -QR590E
c) SEC class -A B B
c1) SEC warm climates kWh/m2.a -14,9 -10,8 -7,2
c2) SEC average climates kWh/m2.a -38 -32,9 -28,6
c3) SEC cold climates kWh/m2.a -73,7 -66,9 -61,2
Energy label -Yes
d) Unit typology -Residenal - bidireconal
e) Type of drive -Variable speed drive
f) Type of Heat Recovery System -Heat recovery
g) Thermal eciency of heat recovery %71
h) Maximum ow rate m3/h 561
i) Electric power input at maximum ow rate W343
j) Sound power level (LWA)dBA 58
k) Reference ow rate m3/h 393
l) Reference pressure dierence Pa 50
m) Specic power input (SPI) W/m3/h 0,344
n1) Control factor -0,65 0,85 1
n2) Control typology -Local
demand control
Central
demand control
Manual
control (no DCV)
o1) Maximum internal leakage rate %0,8
o2) Maximum external leakage rate %0,5
p1) Internal mixing rate %N/A
p2) External mixing rate %N/A
q) Visual lter warning -Visual lter warning on display
r) Instrucons to install regulated grilles -N/A
s) Internet address for pre/disassembly instrucons -www.aerauliqa.com
t) Airow sensivity to pressure variaons %N/A
u) Indoor/outdoor air ghtness m3/h N/A
v1) AEC - Annual electricity consumpon - warm climates kWh 1,8 3,1 4,3
v2) AEC - Annual electricity consumpon - average climates kWh 2,3 3,6 4,8
v3) AEC - Annual electricity consumpon - cold climates kWh 7,6 8,9 10,1
w1) AHS - Annual heang saved - warm climates kWh 19,4 18,6 18
w2) AHS - Annual heang saved - average climates kWh 43 41,2 39,8
w3) AHS - Annual heang saved - cold climates kWh 84,1 80,5 77,8

001608-05-0618
Warehouse-Ofces:viaMarioCalderara39/41,25018Montichiari(Bs)-Registeredofce:viaCorsica10,25125Brescia
C.F.eP.IVA/VAT03369930981-REABS-528635-Tel:+39030674681-Fax:+390306872149-www.aerauliqa.com-[email protected]
AERAULIQA SRL reserves the right to modify/make improvements to products and/or this instruction manual at any time and without prior notice.