aerauliqa QR180A User manual

QR180A
Sede operativa/Warehouse-Offices: via Mario Calderara 39/41, 25018 Montichiari (Bs) - Sede legale/Registered office: via Corsica 10, 25125 Brescia
C.F. e P.IVA/VAT 03369930981 - REA BS-528635 - Tel: [phone] - Fax: [phone] - www.aerauliqa.it - www.aerauliqa.com - [email protected]
Aerauliqa S.r.l. si riserva il diritto di modificare/apportare migliorie ai prodotti e/o alle istruzioni di questo manuale in qualsiasi momento e senza preavviso.
Aerauliqa S.r.l. reserves the right to modify/make improvements to products and/or this instruction manual at any time and without prior notice.
INŠTALAČNÝ A PREVÁDZKOVÝ MANUÁL
SK

2
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 24
2 Precautions 25
3 Product information 25
3.1 General 25
3.2 Dimensions and Weight 26
3.3 Duct connections 26
3.4 Space required 26
3.5 Rating label 26
4 Transport and Storage 27
5 Installation 27
 
5.2 Where/how to install 27
5.3 Ceiling installation 27
5.4 Precabled electric connections 29
5.5 Additional electric connections 30
6 Commissioning 31
6.1 Setting Fan speed 31
6.2 Before Starting the System 32
7 Operation 33
 
7.2 Installer Menu on CTRL-DSP 36
7.3 Additional functionalities 41
8 Maintenance and service 42
8.1 Components list 42
8.2 Description of Components 42
8.3 Maintenance 43
8.4 Service 43
8.5 Troubleshooting 45
9 Disposal and Recycling 45
10 ErP Product Fiche 46
1 INDEX
QR180A
Heat Recovery Ventilation Unit

3
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
 
 
Installation

people with disabilities.


ducts deriving from any type of combustion unit or tumble dryer. It must expel air outside via its own special duct.

is not a “sealed chamber” type), it is essential to ensure adequate air intake, to ensure good combustion and proper equipment
operation.


- the data plate (voltage and frequency) correspond to those of the electrical mains
- the electrical power supply/socket is adequate for maximum device power.

a full disconnection under overvoltage category III conditions (contact opening distance equal to or greater than 3mm).
Use


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.

                   
explosive mixtures.

The system should operate continuously, and only be stopped for maintenance/service.



Service

to a complete standstill.


3 PRODUCT INFORMATION
3.1 General

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.

condensation elbows and 2 plugs for the water drainage.
WARNING
If any abnormality in operation is detected, disconnect the device from the mains supply and contact a qualified technician
immediately.

4
3.2 Dimensions and Weight
3.5 Rating label
3.4 Space required
Make sure that enough space is left around the unit to allow easy maintenance (access to filters, terminal box and inspection
panel removal).
Fig.3.b Rating label
602
536
66.25
Ø125
1036,5
904
738
240
408128
158 374374
645
223
66,25
17
66,25
353 232319
269
259
243
3.3 Duct connections
AIntake air from outiside
BExhaust air to outside
CSupply air to inside
DExtract air from inside
EWinter condensation drainage
FSummer condensation drainage
EXTRACT
SUPPLY
INTAKE
EXHAUST
filter side view
A
B
D
C
E F
1036,5
9
10
Weight Kg
20
TERMINAL BOX
602
536
66.25
Ø125
1036,5
904
738
240
408128
158 374374
645
223
66,25
17
66,25
353 232319
269
259
243
filter side view
904
738
66,25
240
536
602
645
Ø125
374 374
158 10
9
353 319 232 66,2566,25
243
259
269
223 17
Dimensions in mm.
128 408

5
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.
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!
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
 
The unit must always be mounted horizontally.
Mount the unit on flat surface (ceiling).
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 door
should be easily accessible.
 
The outdoor air intake of the building should 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.
The unit casing is provided with 2 drainage holes to be used for condensation drainage. Make sure that the not-used hole is
tightly closed with the supplied plugs to provide water and air tightness.
5.3 Ceiling installation
The unit must be installed in the following position.
It is important that the unit is completely flat in order for the condensation drainage to work properly.
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!
Fig 5.a Fig. 5.b
Fig. 5.c Fig. 5.d
H=min. 60mm
Spirit level
Spirit level
H H
Spirit level
Spirit level

6
Fig. 5.e
5.a Prepare the surface where the unit is to be mounted. Make sure that the surface is flat, leveled and that it supports the weight
of the unit. Perform the installation in accordance with local rules and regulations.
5.b 
anti-vibration mounts (not supplied).
5.c Assure that the unit is completely flat once mounted to the ceiling, for the condensation drainage to function properly.
5.d Connect the condensation elbow(s) to the drainage hole(s) on the access panel: in case close and seal the non-used hole
with the supplied plugs (2 plugs each hole). Make sure of water and air tightness of all connections. The condensation pipe
connection must be done in a way that makes easy to remove the access panel for the service operation. It is recommended

5.e Connect the unit to the duct system. Make sure that all necessary accessories are used to create a functional ventilation
solution. 
Ø125
Ø125

7
5.4 Precabled electric connections
The unit must be earthed.

To connect the the CTRL-DSP to the mother board use a 4 poles twisted-pair cable: 30m max length.

- mains supply cable (3-core: brown, blue, yellow/green).
- control cable, for connection to CTRL-DSP (4-core: green, brown, yellow, white).
- cable for connection to remote sensor (2-core: blue, brown).
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.
Fig. 5.f Electrical connection
YELLOW (A) WHITE (B) BROWN (+12V)
GREEN (GND)
BLUE BROWN
BLUE YELLOW/GREEN BROWN
POWER
SUPPLY
EXTERNAL
SENSOR
CONTROL

8
5.5 Additional electric connections
The units must be earthed.
The units are wired internally from factory.
To connect the the CTRL-DSP to the motherboard use a 4 poles twisted-pair cable: 30m max length.
Figures below show the wiring diagram.
Inputs/commands





Outputs

Fig. 5.g Electrical connections on the motherboard fitted in the terminal box.
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.
CTRL-DSP
N L
-S4 -+ +
SLA
1-10V
HEAT/CD
+12V A B
GND
SLAVE input
1-10V
AC power supply
Heat output
(MAX 250Vac 5A)
Boost momentary
switch (BST)



(for remote

BST IAQ HY/S1

7.3 Remote enable)

9
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 curve at different settings of the 0-10V signal to the motors. Consumption refers to the
2 motors.
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 speeds.
Table. 6.b Thermal efficiency of the heat exchanger and average production of condensation water.
T R. H. T R. H. ᶯH
2
OᶯH
2
OᶯH
2
OᶯH
2
O
°C % °C % % kg/h % kg/h % kg/h % kg/h
-18 60 20 30 94,5 0,16 86,5 0,27 83,3 0,38 77,0 0,46
-18 70 20 40 94,0 0,21 90,8 0,41 86,0 0,58 78,8 0,71
-18 80 20 50 94,1 0,27 89,6 0,52 86,1 0,75 81,6 0,95
-10 60 20 30 94,2 0,10 87,8 0,17 84,9 0,23 81,2 0,28
-10 70 20 40 92,9 0,15 90,6 0,29 85,9 0,40 80,1 0,49
-10 80 20 50 95,4 0,21 91,1 0,40 84,1 0,54 82,2 0,71
0 50 20 30 91,9 0,01 84,0 0,00 79,6 0,00 73,1 0,00
0 60 20 40 93,0 0,06 88,5 0,10 83,0 0,12 79,1 0,12
0 70 20 50 92,8 0,11 87,6 0,19 83,3 0,26 82,2 0,32
10 50 20 40 92,3 0,00 86,0 0,00 80,6 0,00 76,0 0,00
10 60 20 50 92,9 0,00 85,8 0,00 80,7 0,00 76,1 0,00
10 70 20 60 91,8 0,02 86,8 0,03 80,6 0,03 76,4 0,01
35 60 26 50 91,1 0,00 84,8 0,00 77,6 0,00 77,9 0,00
35 70 26 55 93,9 0,04 87,1 0,08 85,3 0,10 76,4 0,10
35 80 26 60 96,2 0,09 90,6 0,17 87,8 0,24 83,2 0,30
40 60 26 50 95,0 0,08 88,2 0,14 87,1 0,18 80,1 0,21
40 70 26 55 94,5 0,14 91,6 0,26 85,3 0,36 86,9 0,47
40 80 26 60 96,7 0,20 95,0 0,37 90,0 0,53 84,7 0,66
ESTERNO INTERNO 50 m³/h 100 m³/h 150 m³/h 200 m³/h
0
50
100
150
200
250
300
350
400
450
500
0 20 40 60 80 100 120 140 160 180 200 220
III III
IV V
VI
A
B
CD
E
F
G
Curve Speed
%
W
max
m3/h
max
A (min) 20 10 24
B 35 15 58
C 53 28 100
D 60 36 117
E 70 47 139
F 85 77 178
G (max) 100 105 209
Working point W m3/h SPI (W/m3/h) ɳt %(1)
I 15,2 54 0,281 88
II 23,7 76 0,313 86
III 32,8 97 0,337 84
IV 43,5 119 0,366 82
V 61,4 140 0,437 80
VI 81,3 162 0,502 79
Fig. 6.a Intake curve according to Reg. 1253/2014 (ErP).
Static Pressure - Pa
Airflow - m3/h
(1)
Thermal efficiency of the unit
EXTERNAL INTERNAL

10
Tabella 6.c Sound level: dB(A) figures are average spherical free-field, for comparitive use only.
6.2 Before Starting the System
When the installation is finished, check that:
 
 
 
 
 
 
exhaust or similar).
 
Speed 100%
 Lp dB(A)
63 125 250 500 1 K 2 K 4 K 8K Tot @3m
Intake 57 62 69 64 58 56 49 46 71 45
Supply 56 62 65 61 55 50 40 31 68 41
Extract 57 61 65 60 55 49 41 32 68 41
Exhaust 59 64 68 62 57 57 54 47 71 44
Breakout 56 61 64 59 58 50 40 35 68 41
Speed 80%
 Lp dB(A)
63 125 250 500 1 K 2 K 4 K 8K Tot @3m
Intake 55 59 65 60 53 50 44 40 67 41
Supply 55 59 62 57 51 44 35 28 65 37
Extract 55 58 62 55 51 43 35 28 65 37
Exhaust 58 61 65 58 53 52 49 41 68 40
Breakout 55 58 60 55 53 45 35 28 64 37
Speed 60%
 Lp dB(A)
63 125 250 500 1 K 2 K 4 K 8K Tot @3m
Intake 52 55 61 51 45 42 36 31 63 34
Supply 51 54 56 47 42 37 27 25 59 30
Extract 51 54 57 46 42 35 27 23 60 30
Exhaust 52 57 61 49 45 44 40 32 63 34
Breakout 51 54 55 45 44 37 29 24 59 29
Speed 40%
 Lp dB(A)
63 125 250 500 1 K 2 K 4 K 8K Tot @3m
Intake 47 50 50 42 35 32 25 22 54 24
Supply 47 48 48 38 33 27 22 20 53 21
Extract 47 49 48 37 33 25 20 20 53 21
Exhaust 49 51 54 40 36 34 28 23 57 26
Breakout 47 48 46 37 34 30 22 19 52 21

11
DATE: shows the current date
MODE: shows the operation mode
SPEED: shows the selected speed
TIME: shows the time
FILTER ALARM: shows that filters need to be maintained/replaced
BOOST: shows that BOOST speed is activated
DISABLED: shows that the CTRL-DSP is disabled
BOOST: to manually activate the BOOST speed
to move to the right when setting the Weekly Timer
FILTRO: to reset the Filter Alarm
to move to the left when setting the Weekly Timer
ESC: to exit and go back to the previous menu
OK: to enter the selected menu


to power on/off the ventilation unit
Fig. 7.b CTRL-DSP
shows ERROR ALARM
shows that the Bypass is active



shows that Heating output is activated
shows that the Boost is active
shows that the weekly timer is activated
shows that the weekly timer is deactivated
shows that the SLAVE functionality is activated
7 OPERATION
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!
Some operations can be selected either from the CTRL-DSP buttons or from the menu.
abc d
e
f
g
hi
j
kl
m
a
b
c
d
e
f
g
h
i
j
k
l
m
A
B
D
C
T21
T12
T11
T22
EXTRACT
SUPPLY
INTAKE
EXHAUST
AIntake air from outside
BExhaust air to outside
CSupply air to inside
DExtract air from inside
Fig. 7.a Temperature probes

12
When powered on, the CTRL-DSP displays as follows:
Fig. 7.c CTRL-DSP operation screen
The speed (1-2-3) can be manually changed using or .
7.1 User Menu on CTRL-DSP


User Menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Weekly timer
7 Installer Menu
Select the menu item using or .
Press OK to enter.
User Menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Weekly timer
7 Installer Menu

Press OK to enter.
Choose the mode using or .
Press OK to select.
Press ESC or wait for about 60 seconds to go back to the previous menu.

Once powered on, the unit runs at the speed selected during the installation.
The speed number (1-2-3) is displayed on the LCD.

The speed (1-2-3) can be manually changed using or .


reverts back to selected speed.

ignored (the sensors have no effect and the unit runs at speed 1).
Holiday mode
The unit works at Holiday speed, adjusted during the installation.



13
It allows to set the duration of the Boost speed.
Press OK to select.
Time setting options are 15 - 30 - 45 - 60 minutes.
Increase/decrease the minutes using or .
Press OK to select and go back to the previous menu.

It allows to select the maximum speed (BOOST).
Press OK to select.
or .
Press OK to select and go back to the previous menu.

Boost speed can be adjusted during the installation.
Boost speed can be activated if the Mode selection is 3V, Holiday or Slave.
Boost function can be enabled in these ways:
 
- pressing the BOOST button on the CTRL-DSP for at least 2 seconds (Fig. 7.b - ).
- using a remote momentary switch connected to the BST input (Fig. 5.g).
If Boost is active, the icon is displayed and the unit runs at the selected Boost speed,

selected speed.
Boost can be deactivated before time only by pressing the BOOST button on the CTRL-DSP
for at least 2 seconds (Fig. 7.b - ).
If the Weekly timer is activated the Boost functionality can be activated.
If the Weekly timer is deactivated the Boost functionality cannot be activated.
User Menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Weekly timer
7 Installer Menu
User Menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Weekly timer
7 Installer Menu
g
g

the unit operates at speed 1. When the “ending time” is elapsed, the unit returns to operate
at the selected speed.
Press OK to select.
Select the submenu item using or :



Change the time using or : switch from hours to minutes pressing OK.
Press OK to confirm.
Press ESC to go back to the previous menu.





If the user changes manually the speed using or , or push the BOOST button (Fig. 7b -
g
User Menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Weekly timer
7 Installer Menu
It allows to reset the FilterAlarm after maintenance/replacement,only when FILTER is displayed
(Fig. 7.b - ).
Timing can be set during the installation.

Press OK to select and reset.
Press ESC to go back to the previous menu.
FILTER is no more displayed.
The Filter Alarm can be also reset pressing the FILTER button on the CTRL-DSP (Fig. 7.b - ).
User Menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Weekly timer
7 Installer Menu
e
h

14
It allows to set the time slots and the operating speeds throughout the week when the unit is

Press OK to select.
or .
Press OK to select.


Change the days using or .
Press OK to set the daily time program (max 4 time slots).
Switch from hours-minutes-speeds using or .
Change hours-minutes-speeds using or .
The daily program can be copied in the following days pressing OK.
Save the setting pressing ESC and then OK.
If the Weekly Timer is activated, the icon is displayed.

.m...is displayed.


In case both the Weekly Timer and the Boost functionality need to be used, make reference to

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?
User Menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Weekly timer
7 Installer Menu
User Menu
1 Mode Selection
2 Boost
3 Boost Duration
4 Reset FILTER Alarm
5 Night Mode
6 Weekly timer
7 Installer Menu
7.2 Installer Menu on CTRL-DSP

exit the Installer Menu press ESC or wait for about 60 seconds.
Installer Menu
1 Language
2 Date/time
4 Normal Mode
6 Bypass settings
8 Heating
10 Speed setting
11 Airow Balancing
12 F7 lter
13 Filter Alarm interval
15 Constant Pressure
17 Periodic purge
18 Working Hours Counter
19 ModBus settings
20 Save settings
21 Load Settings
22 Restore Default Settings
23 Contrast
24 Debug page
Select the menu item using or .

15
It allows to select one language among English,Italiano, Deutsch, Čeština, Slovenský,Français,
中国, Magyar and Русский.
Press OK to enter.
Select the language using or .
Press OK to select.

Installer Menu
1 Language
2 Date/time
4 Normal Mode
6 Bypass settings
It allows to set the date and the time.
Press OK to enter.
Select the item using or and press OK.
Set the date and the time using or and press OK to confirm.
Press ESC to go back to the previous menu.
Installer Menu
1 Language
2 Date/time
4 Normal Mode
6 Bypass settings

Press OK to enter.
Choose the operation mode using or . Press OK to select.

3V Mode
To adjust the speeds, refer to the paragraph “10 Speed setting” in the Installer Menu.
Slave Mode
It allows to control the speed by means of the 0-10V analogic input: any other operation logic
is ignored.
If the Slave mode is activated, the icon and the word Slave are displayed.
Constant Pressure Mode
Currently not available.
Installer Menu
1 Language
2 Date/time
4 Normal Mode
6 Bypass settings
It allows to set the Bypass operation parameters.
Press OK to enter.
Select the submenu item using or and press OK to confirm:
1 Desired Temperature: it is the ambient temperature desired by the user.
2Tmax Free Heating:it is the maximum allowed outside temperature for free heating operation.
3 Tmin Free Cooling: it is the minimum allowed outside temperature for free cooling operation.
The setting ranges are:



Increase/decrease the temperature using or .
Press OK to select.
Press ESC to go back to the previous menu.
If the Bypass functionality is activated, the icon is displayed.
Installer Menu
1 Language
2 Date/time
4 Normal Mode
6 Bypass settings

16
To be selected only in case an external heating element (not supplied with the unit) is used.
Press OK to enter.
“1 Heater”
Press OK to enter.
or .
Press OK to select.


If “PRE”: the heater is installed to the “intake air side - T21” (Fig. 7.a) and the HEAT output
(Fig. 5g) is activated.
“2 Heating threshold PRE”:
it allows to set the heating threshold.

Increase/decrease the temperature using or .
Press OK to select.

If the heater is activated, the icon is displayed.
If “POST”: the heater is installed to the “supply air side T22” or “extract air side T11” (Fig. 7a);
use the submenu “4 POST Temperature input” to select the side. The HEAT output (Fig. 5g)
is activated.
“3 Heating threshold POST”:
it allows to set the heating threshold.

Increase/decrease the temperature using or .
Press OK to select.

If the heater is activated, the icon is displayed.
Installer Menu
8 Heating
10 Speed setting
11 Airow Balancing
12 F7 lter
13 Filter Alarm interval

Press OK to enter.
Choose speed 1, speed 2, speed 3, Boost or Holiday using or .
Press OK to select.
The setting ranges are:





Increase/decrease the speed using or .
Press OK to select.
Press ESC to go back to the previous menu.
Installer Menu
8 Heating
10 Speed setting
11 Airow Balancing
12 F7 lter
13 Filter Alarm interval

17
It allows to adjust the balancing of the two airflows.
Press OK to enter.
Select the submenu item using or : press OK to confirm.
1 Advanced Balancing
It allows to set the airflow balancing at speed 1-2-3-Boost, in supply and extract, only if the

or .
Press OK to confirm.


It allows to adjust the supply airflow against the extract airflow: the selected value is applied
to any speed.


Increase/decrease the speed using or .
Press OK to select.
Press ESC to go back to the previous menu.

speed (1-2-3-Boost) and for each motor (supply/extract).


Increase/decrease the speed using or .
Press OK to select.
Press ESC to go back to the previous menu.
Installer Menu
8 Heating
10 Speed setting
11 Airow Balancing
12 F7 lter
13 Filter Alarm interval
It allows to select the F7 filter in case the unit is not equipped with it from factory.
The F7 filter should be installed to the “supply air side “T22” (Fig. 7a).
Press OK to enter.
or .
Press OK to select.

Installer Menu
8 Heating
10 Speed setting
11 Airow Balancing
12 F7 lter
13 Filter Alarm interval
It allows to set the Filter Alarm period: the system has a timer which activates the Filter
warning (Fig. 7b - ) on the LCD at regular intervals.
Press OK to enter.
Choose among 2-3-4-5-6 months using or .
Press OK to select.

Installer Menu
8 Heating
10 Speed setting
11 Airow Balancing
12 F7 lter
13 Filter Alarm interval
Currently not available.
Installer Menu
15 Constant Pressure
17 Periodic purge
18 Working Hours Counter
19 ModBus settings
20 Save settings
e

18
It allows to activate a short operation cycle of the fans at 100% speed for twice in a day.
Press OK to enter.
or .


1 Periodic purge length
It allows to set the purge duration.
Press Ok to select.

Increase/decrease the minutes using or .
Press OK to confirm.

2 Activation time
It allows to set two times to activate the cycle.
Press OK to select.
Increase/decrease the hours/minutes using or .
Press OK to switch from hours to minutes.
Press OK to confirm.

When activated, the BOOST word flushes on the LCD. (Fig. 7b - ).
Press ESC to go back to the previous menu.
Installer Menu
15 Constant Pressure
17 Periodic purge
18 Working Hours Counter
19 ModBus settings
20 Save 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.
The counter stops if the unit is powered OFF and if the Weekly Timer is OFF .
Press OK to enter.
Press ESC to go back to the previous menu.
Installer Menu
15 Constant Pressure
17 Periodic purge
18 Working Hours Counter
19 ModBus settings
20 Save settings

For specification, contact our customer service.
Installer Menu
15 Constant Pressure
17 Periodic purge
18 Working Hours Counter
19 ModBus settings
20 Save settings
It allows to save the setting of the installation #1 (prototype) in the internal memory of the
CTRL-DSP to be loaded afterwards on other units.
Press OK to enter.
Choose the position where to save the setting using or .

Press OK to select.
Press OK to confirm.
Press ESC to go back to the previous menu.
Installer Menu
15 Constant Pressure
17 Periodic purge
18 Working Hours Counter
19 ModBus settings
20 Save settings
It allows to load the saved setting on the next unit.
Press OK to enter.
Choose the desiderd saved setting using or .
Press OK to select.
Press OK to confirm.
Press ESC to go back to the previous menu.
Installer Menu
21 Load Settings
22 Restore Default Settings
23 Contrast
24 Debug page

Press OK to enter.
Press OK to confirm.
Installer Menu
21 Load Settings
22 Restore Default Settings brica
23 Contrast
24 Debug page
g

19
7.3 Additional functionalities
REMOTE ENABLE
It allows to activate/deactivate the unit from remote when the CTRL-DSP is not used (e.g. in case of ModBus). To enable this

- ).
BYPASS

temperature combinations are such that the heat exchange is not recommended. If activated the Bypass icon is displayed.
(Fig. 7b).
ANTI-FROST
Intake fan speed is reduced during very cold weather in order to prevent ice inside the unit which could damage the heat

ERRORS WARNING DISPLAYED ON THE CTRL-DSP
Code error description (Fig. 7b - )
E000 no RS485 connection between the CTRL-DSP and the motherboard
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 alarm BST input
E008 CTRL-DSP internal error


It allows to set the LCD contrast.
Press OK to enter.
Increase/decrease the contrast using or .
Press OK to confirm.
Installer Menu
21 Load Settings
22 Restore Default Settings
23 Contrast
24 Debug page
It shows the internal functional parameters of the unit.
Press OK to enter.
Press ESC to go back to the previous menu.
Installer Menu
21 Load Settings
22 Restore Default Settings
23 Contrast
24 Debug page
f
7
6

20
8 MAINTENANCE AND SERVICE
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!
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.
      
purchase!
8.1 Components list
Fig. 8.a Internal components
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 2 filters are of filter quality G4 for both the supply air and extract air filter.

from your installer or wholesaler.
Heat exchanger
The unit is equipped with a highly efficient, counter-flow 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.
1
2
3
4
5
6
7
8
9
FILTER G4, EXTRACT AIR



THERMISTORS







10
11
12
3
1
2
4
5
6
7
4
8
11 9
5
12
10
8