ELTA FANS VIGO550A Service manual

VIGO550A
Elta Fans Limited
Building Services
46 Third Avenue
Pensnett Trading Estate
Kingswinford
West Midlands, DY6 7US, United Kingdom
T: [phone] - F: [phone]
E: [email protected]
INSTALLATION, USE AND MAINTENANCE MANUAL

2
G
The VIGO 550A is a continuously running Mechanical Ventilation with Heat Recovery (MVHR) unit, which simultaneously extracts
air from wet rooms while supplying fresh, filtered air to the habitable rooms in a home.
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 2
2 Precautions 3
3 Product information 3
3.1 General 3
3.2 Dimensions and Weight 4
3.3 Duct connections 4
3.4 Space required 4
3.5 Rating label 4
4 Transport and Storage 5
5 Installation 5
5.1 Unpacking 5
5.2 Where/how to install 5
5.3 Installation 5
5.4 Precabled electric connections 7
5.5 Additional electric connections 8
6 Commissioning 9
6.1 Setting Fan speed 9
6.2 Before Starting the System 10
7 Operation 11
7.1 User Menu on CTRL-DSP 12
7.2 Installer Menu on CTRL-DSP 14
7.3 Additional functionalities 19
8 Maintenance and service 20
8.1 Components list 20
8.2 Description of Components 20
8.3 Maintenance 21
8.4 Service 21
8.5 Trouble shooting 23
9 Garantee 23
10 Disposal and Recycling 23
11 ErP Product Fiche 24
1 INDEX
VIGO550A
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
• 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, Use and Maintenance Manual of VIGO550A 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 VIGO550A is supplied with the 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.

4
3.3 Duct connections
The factory setting is LEFT.
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
3.2 Dimensions and Weight
Dimensions in mm.
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
778
490 144144
279 279220
247 180
Ø155
Ø148
778
861
799 62
144 490 144
180
247 123
279 220
549
279
Ø148
799
861
62
549
123
Ø155
A
B
C
D
Weight (kg)
44
REVISIONE
NON SCALARE DISEGNO
FOGLIO 1 DI 1
A0
PESO:
fig-8
A A
B B
C C
D D
E E
F F
G G
H H
J J
K K
L L
M M
N N
P P
R R
T T
24
24
23
23
22
22
21
21
20
20
19
19
18
18
17
17
16
16
15
15
14
14
13
13
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
N. DISEGNO
SCALA:1:1
TITOLO:
MATERIALE:
DATA
DISEG.
VERIF.
APPR.
FABB.
Qual.
ANGOLARE:
FINITURA:
LINEARE:
BORDI NETTI
NOME FIRMA
SE NON SPECIFICATO:
QUOTE IN MILLIMETRI
FINITURA SUPERFICIE:
TOLLERANZE:
INTERRUZIONE
QR
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 removal of the
side and front inspection panels).
To set the RIGHT orientation of the machine:
• Modify the orientation on the CTRL-DSP (§ 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 Rating label
Fig. 3.a Connections in LEFT and RIGHT orientation.
A
B
C
D
E
F
LEFT
AIntake air from outside
BExhaust air to outside
CSupply air to inside
DExtract air from inside
EWinter condensation drainage
FSummer condensation drainage
RIGHT
AExtract air from inside
BSupply air to inside
CExhaust air to outside
DIntake air from outside
ESummer condensation drainage
FWinter condensation drainage

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
• VIGO units work best when installed inside the bulding envelope, due to the VIGO’s insulated construction they can be installed
in loft spaces and outbuildings.
• 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 (§ 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.
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!
Fig. 5.a
Spirit level
Fig. 5.b
2x
Spacers

6
Ø160mm Ø160mm
Fig. 5.c
Fig. 5.d
H=min. 60mm
Fig. 5.e Fig. 5.f
Spirit level Spirit level
5.a Prepare the surface where the unit is to be mounted. Make sure that the surface is at, levelled and that it supports the
weight of the unit. Perform the installation in accordance with local rules and regulations. Use the wall fixing 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 fix the wall fixing bracket.
5.b Fix the 2 spacers on the back of the unit.
5.c Hook the unit at its bracket.
5.d Make sure it is at spirit level and fix it by means of the safety screw.
5.e Connect the condensation drain joints (G 3/4” M) placed in the bottom side of the unit to a U-bend (or similar) on the
condensation drainage pipe. In case close the non-used joint by means of the supplied drain stopper. Make sure this
operation is well done in accordance to the best practice in order to assure water and air tightness.
5.f Connect the unit to the duct system. Make sure that all necessary accessories are used to create a functional ventilation
solution.
Connect the unit electrically according to § 5.4. Check that it starts up correctly.

7
5.4 Precabled electric connections
The unit must be earthed.
The units are wired internally from factory.
To connect the the CTRL-DSP to the mother board use a 4 poles twisted-pair cable: 30m max length.
Unit comes pre-wired with:
- 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.g Electric connections
YELLOW-GREEN
BLUE
BROWN
N
L
SUPPLYCONTROL
YELLOW (A)
WHITE (B) BROWN (+12V)
GREEN (GND)
REMOTE SENSOR
BLUE
BROWN

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
N°1 AC supply connector.
N°3 on/off inputs (volt-free contacts), N°1 for ambient sensors (named IAQ), N°1 for boost momentary switch (named BST) and
N°1 for remote ON/OFF enable (named HY/S1).
N°1 1-10V analog input (named SLAVE).
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).
Fig. 5.h 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)
IAQ Input
(Air Quality i.e. SEN-HY)
HY/S1 Input
(for remote
ON/OFF enable)
BST IAQ HY/S1
DO NOT REMOVE
(see § 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.
Fig. 6.a Intake curve according to Reg.
1253/2014 (ErP). Product tested
without filter F7.
Static Pressure - Pa
Airow - m3/h
(1)
Thermal efficiency of the unit.
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
I
II III
IV
V
VI
VII
VIII
IX
A
B
C
D
E
FG
Working point W m3/h SPI (W/m3/h) ɳt %(1)
I 8,6 54 0,1585 93
II 10,7 76 0,1413 93
III 13,9 97 0,1431 93
IV 19,3 119 0,1621 92
V 25,5 140 0,1818 91
VI 32,2 162 0,1990 91
VII 46,1 191 0,2414 90
VIII 63,4 220 0,2885 89
IX 84,5 248 0,3402 89
Curve Speed % W
max
m3/h
max
A (min) 23 10 94
B 32 24 170
C 46 68 289
D 60 150 403
E 75 286 472
F 90 311 513
G (max) 100 333 550
EXTERNAL INTERNAL 100m3/h 200m3/h 300m3/h 400m3/h 500m3/h
T (°C) R.H. (%) T (°C) R.H. (%) ƞ (%) H2O (kg/h) ƞ (%) H2O (kg/h) ƞ (%) H2O (kg/h) ƞ (%) H2O (kg/h) ƞ (%) H2O (kg/h)
-18 60 20 30 95,4 0,28 91,8 0,53 88,7 0,75 85,9 0,95 83,2 1,12
-18 70 20 40 95,9 0,4 92,8 0,77 90,1 1,11 87,7 1,42 85,5 1,72
-18 80 20 50 96,4 0,5 93,7 0,99 91,4 1,44 89,3 1,87 87,4 2,29
-10 60 20 30 95,2 0,18 91,3 0,32 87,8 0,44 84,7 0,52 81,7 0,59
-10 70 20 40 95,8 0,29 92,5 0,54 89,6 0,77 87 0,96 84,5 1,14
-10 80 20 50 96,3 0,39 93,5 0,74 91,1 1,07 88,9 1,39 86,9 1,67
0 50 20 30 94,2 0,02 89,3 0 85,1 0 81,5 0 78,2 0
0 60 20 40 95 0,11 91 0,18 87,3 0,23 83,8 0,24 80,4 0,23
0 70 20 50 95,8 0,2 92,5 0,36 89,5 0,5 86,8 0,62 84,2 0,72
10 50 20 40 94 0 89,3 0 85,1 0 81,5 0 78,2 0
10 60 20 50 94 0 89,3 0 85,1 0 81,5 0 78,2 0
10 70 20 60 94,8 0,04 90,4 0,05 86,1 0,05 82 0,03 78,2 0
35 60 26 50 94,1 0 89,4 0 85,4 0 81,8 0 78,5 0
35 70 26 55 95,8 0,08 92,3 0,14 88,9 0,18 85,7 0,2 82,4 0,2
35 80 26 60 97,2 0,17 95,2 0,32 93,4 0,47 91,7 0,6 90,1 0,73
40 60 26 50 96 0,14 92,8 0,26 89,7 0,35 86,8 0,41 83,9 0,44
40 70 26 55 97,2 0,25 95,1 0,49 93,2 0,7 91,4 0,9 89,7 1,09
40 80 26 60 98 0,35 96,7 0,69 95,6 1,02 94,5 1,34 93,6 1,65

10
6.2 Before starting the system
When the installation is finished, 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.
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
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
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
Table 6.c Sound level: dBA figures are average spherical free-field, for comparitive use only.

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 go DOWN with the menu selection
to go UP with the menu selection
to power on/off the ventilation unit
Fig. 7.b CTRL-DSP
In case of RIGHT orientation, follows instructions as per § 3.3 - Fig. 3.a in order to get the temperature probes operate correctly.
shows ERROR ALARM (see §7.3 to check the type of error)
shows that the Bypass is active
shows that ANTI-FROST is active
shows that the IAQ input is activated (i.e. HY, CO2)
shows that NIGHT MODE is activated
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!
LEFT ORIENTATION
AIntake air from outside
BExhaust air to outside
CSupply air to inside
DExtract air from inside
Fig. 7.a Temperature probes.
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
T12 T21 T11 T22
EXTRACT
SUPPLY
INTAKE
EXHAUST
A
BC
D

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
To enter the User Menu press OK or ESC.
To exit the User Menu press ESC or wait for about 60 seconds.
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
Mode selection allows the choice among “Normal Mode” and “Holiday”.
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.
Normal Mode 3V (DEFAULT)
Once powered on, the unit runs at the speed selected during the installation.
The speed number (1-2-3) is displayed on the LCD.
Factory setting (DEFAULT): speed 1.
The speed (1-2-3) can be manually changed using or .
In case the IAQ sensor input is activated as per Fig. 5h (e.g. HY or IAQ sensor), the unit speed
increases by 15%, and the icon is displayed. Once the IAQ input is deactivated, the unit
reverts back to selected speed.
In case the Night Mode is activated ( - User Menu 5), the sensor logic described above is
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.
The IAQ sensor logic described above is ignored (the sensors have no effect).
The word HOLIDAY is displayed.

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.
Factory setting (DEFAULT): 15 minutes.
It allows to select the maximum speed (Boost).
Press OK to select.
Choose NO or YES using or .
Press OK to select and go back to the previous menu.
Factory setting (DEFAULT): NO.
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:
- from the User Menu (2 Boost function).
- 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.h).
If Boost is active, the icon is displayed and the unit runs at the selected Boost speed,
for the duration time set in the User Menu “3 Boost duration”; afterwards the unit reverts to
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
It allows to deactivate the automatic operation of the speed increased via remote IAQ sensors:
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 :
1 Enabling: select ON or OFF - Factory setting (DEFAULT): OFF
2 Starting Time: set the time - Factory setting (DEFAULT): 20:00 o’clock (8 p.m.)
3 Ending Timer: set the time - Factory setting (DEFAULT): 08:00 o’clock (8 a.m.)
Change the time using or : switch from hour to minute pressing OK.
Press OK to confirm.
Press ESC to go back to the previous menu.
If the Night Mode is activated, the icon is displayed.
If both the Night Mode and the Weekly Timer are activated the unit speed is the one
set in the Weekly Timer program while any remote IAQ sensor is deactivated.
If the Night Mode is activated while the Weekly Timer is deactivated the unit operates
in Night Mode (speed 1 and remote IAQ sensors disabled).
If the user changes manually the speed using or , or push the BOOST button (Fig. 7.b-
), the Night Mode is disabled and the icon vanishes.
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 Filter Alarm after maintenance/replacement, only when FILTER is displayed
(Fig. 7.b - ).
Timing can be set during the installation.
Factory setting (DEFAULT): 3 months.
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
g

14
It allows to set the time slots and the operating speeds throughout the week when the unit is
set to Normal Mode 3V.
Press OK to select.
Choose NO or YES using or .
Press OK to select.
Factory setting (DEFAULT): NO.
If “YES” is chosen, pressing OK the Monday time program is displayed.
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.
Note: in the intervals not included in the programmed time slots the unit is OFF. The icon
.m...is displayed.
In case both the Weekly Timer and the Night Mode need to be used, make reference to the
User Menu “5 Night Mode” for more details.
In case both the Weekly Timer and the Boost functionality need to be used, make reference to
the User Menu “2 Boost” for more details.
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
The Installer menu can be selected either by selecting point 7 in the User Menu or by pressing 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 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,
Español, Nederlandse, 中国, Magyar and Русский.
Press OK to enter.
Select the language using or .
Press OK to select.
Factory setting (DEFAULT): English.
Installer Menu
1 Language
2 Date/time
3 Machine orientation
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
3 Machine orientation
4 Normal Mode
6 Bypass settings
It allows to select the orientation of the duct connections from and to outside (LEFT or RIGHT
hand conguration as per § 3.3).
Press OK to enter.
Choose “Left” or “Right” using or .
Press OK to select.
Factory setting (DEFAULT): Left.
Installer Menu
1 Language
2 Date/time
3 Machine orientation
4 Normal Mode
6 Bypass settings
It allows to select one operation among Normal Mode 3V, Slave or Constant Pressure.
Press OK to enter.
Choose the operation mode using or . Press OK to select.
Factory setting (DEFAULT): 3V
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
3 Machine orientation
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.
2 Tmax 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:
Desired Temperature: 15°C ÷ 30°C. Factory setting (DEFAULT): 23°C.
Tmax Free Heating: 25°C ÷ 30°C. Factory setting (DEFAULT): 28°C.
Tmin Free Cooling: 15°C ÷ 20°C. Factory setting (DEFAULT): 18°C.
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
3 Machine orientation
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.
Choose NO/PRE/POST using or .
Press OK to select.
Factory setting (DEFAULT): NO.
If “NO”: the HEAT output (Fig. 5h) is never activated.
If “PRE”: the heater is installed to the “intake air side - T21” (Fig. 7.a) and the HEAT output
(Fig. 5.h) is activated.
“2 Heating threshold PRE”:
it allows to set the heating threshold.
The setting range is: -20°C ÷ +10°C.
Increase/decrease the temperature using or .
Press OK to select.
Factory setting (DEFAULT): 0°C.
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. 5.h)
is activated.
“3 Heating threshold POST”:
it allows to set the heating threshold.
The setting range is: +15°C ÷ +25°C.
Increase/decrease the temperature using or .
Press OK to select.
Factory setting (DEFAULT): +20°C.
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
It allows to adjust the speeds in Normal Mode 3V, Boost or Holiday.
Press OK to enter.
Choose speed 1, speed 2, speed 3, Boost or Holiday using or .
Press OK to select.
The setting ranges are:
Speed 1: 10% ÷ 80%. Factory setting (DEFAULT): 40%.
Speed 2: 20% ÷ 90%. Factory setting (DEFAULT): 60%.
Speed 3: 30% ÷ 100%. Factory setting (DEFAULT): 80%.
Boost: Speed 3 ÷ 100%. Factory setting (DEFAULT): 100%.
Holiday: 10% ÷ 40%. Factory setting (DEFAULT): 20%.
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 airows.
Press OK to enter.
Select the submenu item using or : press OK to confirm.
1 Advanced Balancing
It allows to set the airow balancing at speed 1-2-3-Boost, in supply and extract, only if the
unit operates in Normal Mode 3V.
Choose NO or YES using or .
Press OK to confirm.
Factory setting (DEFAULT): NO
If “NO”, the submenu “2 Supply Airow” is displayed.
It allows to adjust the supply airow against the extract airow: the selected value is applied
to any speed.
The setting range is: -30% ÷ +30%.
Factory setting (DEFAULT): 0%.
Increase/decrease the speed using or .
Press OK to select.
Press ESC to go back to the previous menu.
If “YES”, new submenu items are displayed which allows to set the airow balancing for each
speed (1-2-3-Boost) and for each motor (supply/extract).
The setting range for any speed is: -30% ÷ +30%.
Factory setting for any speed (DEFAULT): 0%.
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. 7.a).
Press OK to enter.
Choose NO or YES using or .
Press OK to select.
Factory setting (DEFAULT): Yes.
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. 7.b - ) on the LCD at regular intervals.
Press OK to enter.
Choose among 2-3-4-5-6 months using or .
Press OK to select.
Factory setting (DEFAULT): 3 months
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.
Choose NO or YES using or .
Factory setting (DEFAULT): NO.
If “YES” the following submenu items are displayed:
1 Periodic purge length
It allows to set the purge duration.
Press Ok to select.
The setting range is: 1 ÷ 5 minutes.
Increase/decrease the minutes using or .
Press OK to confirm.
Factory setting (DEFAULT): 2 minutes.
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.
Factory setting (DEFAULT): 8 a.m. and 8 p.m..
When activated, the BOOST word ushes on the LCD. (Fig. 7.b - ).
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
The unit can be controlled via ModBus (ModBus RTU over RS485).
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 .
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
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
It allows to restore all the factory settings (DEFAULT).
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
functionality, connect the HY/S1 input (Fig. 5.h) removing the bridge. With open contact, DISABLED ushes on the LCD (Fig. 7.b
- ).
BYPASS
The VIGO units are 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. If activated the Bypass icon is displayed
(Fig. 7.b).
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. If activated, the ANTI-FROST icon is displayed (Fig. 7.b).
ERRORS WARNING DISPLAYED ON THE CTRL-DSP
Code error description (Fig. 7.b - )
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 dehumidifier alarm (BST INPUT)
E008 CTRL-DSP internal error
NOTE: if CTRL-DSP is absent (or faulty), the unit operates in the previously set mode.
The Weekly Timer, Night Mode and Filter Alarm functionalities do not work.
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
7
6
f

20
REVISIONE
NON SCALARE DISEGNO
FOGLIO 1 DI 1
A0
PESO:
fig-8
A A
B B
C C
D D
E E
F F
G G
H H
J J
K K
L L
M M
N N
P P
R R
T T
24
24
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3
3
2
2
1
1
N. DISEGNO
SCALA:1:1
TITOLO:
MATERIALE:
DATA
DISEG.
VERIF.
APPR.
FABB.
Qual.
ANGOLARE:
FINITURA:
LINEARE:
BORDI NETTI
NOME FIRMA
SE NON SPECIFICATO:
QUOTE IN MILLIMETRI
FINITURA SUPERFICIE:
TOLLERANZE:
INTERRUZIONE
QR
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
G4 FILTER
F7 FILTER
HEAT EXCHANGER
CONDENSATION DRAINS
THERMISTOR
FAN, INTAKE AIR
FAN, EXHAUST AIR
ELECTRICAL CONNECTION CARD
ADDITIONAL CABLE ENTRY
CONTROL CABLE
SUPPLY CABLE
CABLE FOR REMOTE SENSOR
9
Fig. 8.a Internal components
4
1
2
3
4
5
6
7
8
9
10
11
12
REVISIONE
NON SCALARE DISEGNO
FOGLIO 1 DI 1
A0
PESO:
fig-8
A A
B B
C C
D D
E E
F F
G G
H H
J J
K K
L L
M M
N N
P P
R R
T T
24
24
23
23
22
22
21
21
20
20
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9
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8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
N. DISEGNO
SCALA:1:1
TITOLO:
MATERIALE:
DATA
DISEG.
VERIF.
APPR.
FABB.
Qual.
ANGOLARE:
FINITURA:
LINEARE:
BORDI NETTI
NOME FIRMA
SE NON SPECIFICATO:
QUOTE IN MILLIMETRI
FINITURA SUPERFICIE:
TOLLERANZE:
INTERRUZIONE
QR
REVISIONE
NON SCALARE DISEGNO
FOGLIO 1 DI 1
A0
PESO:
fig-8
A A
B B
C C
D D
E E
F F
G G
H H
J J
K K
L L
M M
N N
P P
R R
T T
24
24
23
23
22
22
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10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
N. DISEGNO
SCALA:1:1
TITOLO:
MATERIALE:
DATA
DISEG.
VERIF.
APPR.
FABB.
Qual.
ANGOLARE:
FINITURA:
LINEARE:
BORDI NETTI
NOME FIRMA
SE NON SPECIFICATO:
QUOTE IN MILLIMETRI
FINITURA SUPERFICIE:
TOLLERANZE:
INTERRUZIONE
QR
REVISIONE
NON SCALARE DISEGNO
FOGLIO 1 DI 1
A0
PESO:
fig-8
A A
B B
C C
D D
E E
F F
G G
H H
J J
K K
L L
M M
N N
P P
R R
T T
24
24
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8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
N. DISEGNO
SCALA:1:1
TITOLO:
MATERIALE:
DATA
DISEG.
VERIF.
APPR.
FABB.
Qual.
ANGOLARE:
FINITURA:
LINEARE:
BORDI NETTI
NOME FIRMA
SE NON SPECIFICATO:
QUOTE IN MILLIMETRI
FINITURA SUPERFICIE:
TOLLERANZE:
INTERRUZIONE
QR
3
6
2
5
7
1
8
10 11
12
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.
Units are equipped with a F7 filter on the supply air.
The filters need to be cleaned regularly (and replaced when polluted) during maintenance. New sets of filters 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.