aerauliqa QR400ABP 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.
The manufacturer assumes no responsibility for damage to persons or
property 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 9
7.1 User Menu on CTRL-DSP 10
7.2 Installer Menu on CTRL-DSP 12
7.3 Additional functionalities 15
8 Maintenance and service 16
8.1 Components list 16
8.2 Description of Components 16
8.3 Maintenance 17
8.4 Service 17
8.5 Trouble shooting 19
9 Disposal and recycling 19
1 INDEX
Installation Manual (installer & user)
QR400ABP - Heat Recovery Ventilation Unit

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
WARNING
If any abnormality in operation is detected, disconnect the device from the mains supply and contact a qualified technician
immediately.
3.1 General
This is the Installation Manual of QR400ABP heat 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 QR400ABP is supplied with its CTRL-DSP remote multifunction control panel as standard. The package also includes 2
condensation elbows and 2 plugs for the water drainage.

3
3.2 Dimensions (mm) and Weight (Kg)
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
Winter condensation drainage
Summer condensation drainage
A
B
D
C
F
E
A
B
C
D
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.
B
A
D
C
Weight Kg
36
778
ø155
ø148
798
860
62
23525
548
490 144144
279 279
220
222,5 180
E
F

4
3.5 Rating label
Fig.3.c Rating label.
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).
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!
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).
A
B
C
D
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andthewaterdrainagelabelonthebottomofthecasingwith
those 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
Winter condensation drainage
Summer condensation drainage
A
B
D
C
F
E
EF

5
•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.
5.3 Installation
The unit must be installed in the following position.
It is important that the unit is vertical in order for the condensation drainage to work properly.
Fig. 5.a.b
Fig. 5.c
Spirit level
Fig. 5.d Fig. 5.fFig. 5.e
H=min. 60mm
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suppliedcondensationelbow(s)tothedrainagehole(s)intheopeningatthebottomoftheunit:incaseclose
andsealthenon-usedholewiththe2suppliedplugs(oneeachsideofthehole).Makesureofwaterandairtightnessofall
connections.ItisnecessarytouseaU-bend(orsimilar)inthecondensationdrainagepipe.Thewaterdrainageconnections
can be made either through the holes at the bottom side of the casing or through the opening at the rear side of the casing.
5.e Connect the unit to the duct system. Make sure that all necessary accessories are used to create a functional ventilation solution.
5.f Connect the unit electrically according to point 5.4. Check that it starts up correctly.

6
5.4 Electric Connections
The unit must be earthed.
The QR400ABP 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
ESTERNO INTERNO
T R. H. T R. H. ᶯᶯᶯᶯ
°C % °C % % kg/h % kg/h % kg/h % kg/h
-18 60 20 30 95,9 0,31 92,3 0,59 89,2 0,83 86,4 1,05
-18 70 20 40 96,4 0,44 93,3 0,85 90,6 1,23 88,2 1,58
-18 80 20 50 96,9 0,56 94,2 1,1 91,9 1,6 89,8 2,08
-10 60 20 30 95,7 0,2 91,8 0,36 88,3 0,49 85,2 0,58
-10 70 20 40 96,3 0,32 93 0,6 90,1 0,85 87,5 1,07
-10 80 20 50 96,8 0,43 94 0,82 91,6 1,19 89,4 1,54
0 50 20 30 94,7 0,02 89,8 0 85,6 0 82 0
0 60 20 40 95,5 0,12 91,5 0,2 87,8 0,25 84,3 0,27
0 70 20 50 96,3 0,22 93 0,4 90 0,56 87,3 0,69
10 50 20 40 94,5 0 89,8 0 85,6 0 82 0
10 60 20 50 94,5 0 89,8 0 85,6 0 82 0
10 70 20 60 95,3 0,04 90,9 0,06 86,6 0,06 82,5 0,03
35 60 26 50 94,6 0 89,9 0 85,9 0 82,3 0
35 70 26 55 96,3 0,09 92,8 0,15 89,4 0,2 86,2 0,22
35 80 26 60 97,7 0,19 95,7 0,36 93,9 0,52 92,2 0,67
40 60 26 50 96,5 0,16 93,3 0,29 90,2 0,39 87,3 0,46
40 70 26 55 97,7 0,28 95,6 0,54 93,7 0,78 91,9 1
40 80 26 60 98,5 0,39 97,2 0,77 96,1 1,13 95 1,49
100 m³/h 200 m³/h 300 m³/h 400 m³/h
H
2
OH
2
OH
2
OH
2
O
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 efficiency of the heat exchanger and of the condensation produced in different climatic conditions,
to help the installer or the designer of the ventilation system to decide if to connect one or both condensation drainages.
High production of condensation is the direct consequence of a high efficiency level as well as of the humidity rate.
Table 6.c indicates the sound level at the different speed.
Table 6.b Thermal efficiency of the heat exchanger and average production of condensation water. Data supplied by the
manufactureroftheheatexchanger.TheheatexchangeristestedattheUniversityofLuzern(HochschuleLezern).
EXTERNAL INTERNAL
Fig. 6.aIntakecurveaccordingtoReg.1253/2014(ErP).ProducttestedwithoutlterF7.
Static Pressure - Pa
Airow-m3/h
0
50
100
150
200
250
300
350
400
450
500
0 50 100 150 200 250 300 350 400 450
I
II
III
IV V
VI VII
VIII IX
A
B
C
D
E
F
G
Curve Speed
%
W
max
m3/h
max
A(min) 23 12 102
B 30 19 149
C 46 43 230
D 60 88 322
E 77 134 364
F 92 149 395
G(max) 100 160 403
Working point W m3/h SPI (W/m3/h) ɳt %(1)
I 8,9 54 0,1648 92
II 11,2 76 0,1481 92
III 14,2 97 0,1461 91
IV 19,4 119 0,1633 90
V 25,3 140 0,1802 89
VI 32,7 162 0,2019 89
VII 47,4 191 0,2484 88
VIII 64,7 220 0,2946 87
IX 87,8 248 0,3535 86
(1)
Termal efficiency of the unit.

8
Table 6.c Sound level
TotalnoisemeasuredinreverberationchamberatELTAFANSlaboratory(UK)
dBA figures are average spherical free-field, for comparitive use only.
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.
100%
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
80%
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
60%
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
40%
Lw dB - SOUND POWER OCTAVE BAND Lp dB(A)
63 125 250 500 1K 2K 4K 8K Tot @3m
Intake 50 50 57 46 39 37 27 20 59 30
Supply 52 50 56 43 36 30 22 15 58 28
Extract 52 47 54 43 37 31 21 15 57 26
Exhaust 51 49 55 47 39 36 28 21 58 29
Breakout 52 47 52 44 38 31 21 15 56 26

9
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
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
In case of RIGHT orientation, follows instructions as per point 3.3 - Fig. 3.b in order to get the temperature probes operate
correctly.

10
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.
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.

11
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.
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?
K
I

12
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.
It allows to set the date and the time
PressOKtoenter.
Use or to choose.
PressOKforsettingandagaintoconrm.
Press ESC to go back to the previous menu.
Installer menu
1 Language
2 Date/Time
3 Machine orientation
4 Bypass settings
5 Heating
Installer menu
1 Language
2 Date/Time
3 Machine orientation
4 Bypass settings
5 Heating
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.
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.
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.

13
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)
C
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
AAAAis displayed.
Note:incasedehumidierisinstalled,theBSTinput(Fig.5.g)isusedasalarmoutput.

14
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%.
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”.
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lter
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conrm.
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

15
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conrm.
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conrm.
It allows to set the LCD contrast.
PressOKtoenter.
Use or to increase or decrease the contrast.
PressOKtoconrm.
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 QR400ABP 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.
R
7
6

16
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
CONDENSATION DRAINS
THERMISTOR
FAN,INTAKEAIR
FAN, EXHAUST AIR
ELECTRICAL CONNECTION BOX
CABLE ENTRY
9
4
3
6
2
5
7
1
8
9
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ahighlyefcient,counter-owplateheatexchanger.Supplyairtemperatureisthereforenormally
maintained without adding additional heat. The heat exchanger is removable for cleaning and maintenance during service.
Condensation drainage
Depending on the relative humidity in the extract air, condensation may occur on the cold surfaces of the heat exchanger, on one
sideinwintertime,ontheothersideinsummertime(table6.b).Thecondensatewaterisledoutthroughdrainagepipe.
Thermistors
Temperature probes to implement temperature dependent functions.

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8.3 Maintenance
•Keeptheunitsurfacefreefromdust.
•Cleanthefilterswithavacuumcleanerfollowingthebelowillustrations(Fig.8.b-c-d-e)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!
L
Fig. 8.eFig. 8.d
Fig. 8.c
Fig. 8.b
•Keeptheunitsurfacefreefromdust.
•Cleanthefilterswithavacuumcleanerfollowingthefollowingillustrations(Fig.8.f-g-h-i)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.8.f-j-k-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.8.f-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.
L
Fig. 8.g
Fig. 8.f

18
Fig. 8.iFig. 8.h
Fig. 8.j Fig. 8.k
Fig. 8.l
Fig. 8.m

19
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?
Gurgling noise
1. Drainage parts have not been installed correctly.
2. Drain connection below the unit has a too low water level, fill it up with water.
Unpleasant smell
1. Drainage parts have not been installed correctly.
2. Drain connection below the unit has a too low water level, fill it up with water.
3. Check filters . Change of filters required?
4. Check ducting system and grilles and diffusers. Cleaning required?
Water leakage near the unit
1. Drain connections and elbows/plugs have not been installed correctly. Sealing necessary?
2. Drain connections and elbows/plugs are dirty. Cleaning necessary?
Information on disposal of units at the end of life.
This product complies with EU Directive 2002/96/EC.
The symbol of the crossed-out dustbin indicates that this product must be collected separately from other waste
at the end of its life. The user must, therefore, dispose of the product in question at suitable electronic and
electro-technical waste disposal collection centres, or else send the product back to the retailer when purchasing
a new, equivalent type device.
Separate collection of decommissioned equipment for recycling, treatment and environmentally compatible
disposal helps to prevent negative effects on the environment and on health and promotes the recycling of the
materials that make up the equipment.
Improper disposal of the product by the user may result in administrative sanctions as provided by law.
DISPOSAL AND RECYCLING

20
ErP Directive - Regulations 1253/2014 - 1254/2014
a) Mark -AERAULIQA
b) Model -QR400ABP
c) SEC class -A+ A A
c1) SEC warm climates kWh/m2.a -17,3 -14,4 -11,8
c2) SEC average climates kWh/m2.a -42,1 -38,7 -35,7
c3) SEC cold climates kWh/m2.a -80,8 -76,6 -72,9
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 %86
h) Maximum ow rate m3/h 363
i) Electric power input at maximum ow rate W160
j) Sound power level (LWA)dBA 52
k) Reference ow rate m3/h 254
l) Reference pressure dierence Pa 50
m) Specic power input (SPI) W/m3/h 0,268
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 %0,6
o2) Maximum external leakage rate %0,4
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 1,4 2,4 3,4
v2) AEC - Annual electricity consumpon - average climates kWh 1,9 2,9 3,8
v3) AEC - Annual electricity consumpon - cold climates kWh 7,2 8,3 9,2
w1) AHS - Annual heang saved - warm climates kWh 20,8 20,4 20,1
w2) AHS - Annual heang saved - average climates kWh 46,1 45,2 44,5
w3) AHS - Annual heang saved - cold climates kWh 90,2 88,5 87,1