BLAUBERG VENTO A50 User manual

OPERATION MANUAL
VENTO A50
VENTO A50-1
VENTO A50 S
VENTO A50-1 S
Single-room reverSible unit with heat
and humidity recovery

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VENTO A50 / A50-1 / A50 S / A50-1 S
Introduction 3
General 3
Safety rules 3
Transportation and storage rules 3
Manufacturer's warranty 3
Design and operating logic 4
Modications and options 5
Delivery set 5
Technical data 6
Mounting 6
Connection and control 9
Maintenance 14
Troubleshooting 15
Acceptance certicate 16
Connection certicate 16
Warranty card 16
CONTENTS

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VENTO A50 / A50-1 / A50 S / A50-1 S
We are happy to oer your attention a new high-quality single-room
reversible unit with heat and humidity recovery VENTO A50 / VENTO A50-1.
The solid team of high-qualied professionals with many years of working
experience, technological innovations in design and production, high-
quality components and materials from the top worldwide producers have
become the precondition for the best energy saving unit in its class.
INTRODUCTION
The present operation manual contains technical description, technical
data sheets, operation and mounting guidelines, safety precautions and
warnings for safe and correct operation of the unit.
GENERAL
The single-room unit is designed for ecient energy saving supply and
exhaust ventilation of ats, houses, cottages and other small premises.
The heat recovery technology is used to minimize ventilation heat losses.
The unit is equipped with a high-tech ceramic heat accumulator
(regenerator) that provides utilization of extract air heat energy for warming
up of ltered supply air ow. The heat regeneration eciency is up to 91%.
The unit is designed for indoor application with the ambient temperature
ranging from -20 °C up to +50 °C and relative humidity up to 80%.
The unit is designed for external through-the-wall installation.
The unit is designed for continuous operation always connected to power
mains.
The unit is allowed for operation only after nal mounting, that includes
installation of protecting devices in compliance with DIN EN ISO 13875 (DIN
EN OSI 12100) as well as other construction safety equipment.
The unit design is regularly improved, so some models may slightly dier
from those ones described in this operation manual.
SAFETY RULES
The unit complies with the requirements according to the EU norms
and directives, to the relevant EU-Low Voltage Equipment Directives, EU-
Directives on Electromagnetic Compatibility.
All operations related to the electrical connection of the unit, like servicing
and repair works are allowed only after the disconnection from power mains.
All mounting and servicing operations are allowed for duly qualied
electricians with valid electrical work permit for electric operations at the
units up to 1000 V after careful study of the present operation manual.
The unit must be grounded!
Please follow the safety regulations and working instructions (DIN EN 50
110, IEC 364).
Make sure the impeller and the casing are not damaged before
connecting the unit to power mains. The casing internals must be free of any
foreign objects which can damage the impeller blades.
Disconnect the unit from power mains prior to any operations related to
the unit servicing and repair works.
Misuse of the unit or any unauthorized modication are not allowed.
The unit is designed for connection to AC single-phase power mains, see
the Technical Data. The unit is rated for permanent operation during non-
stop power supply.
Take steps to prevent ingress of smoke, carbon monoxide and other
combustion products into the room through open chimney ues or other
re-protection devices. Sucient air supply must be provided for proper
combustion and exhaust of gases through the chimney of fuel burning
equipment to prevent back drafting. The maximum permitted pressure
dierence per living units is 4 Pa.
The transported air must not contain any dust or other solid impurities,
sticky substances or brous materials.
The unit is not designed for use in an inammable and explosive medium.
Do not close or block the unit intake or exhaust vent not to disturb the
normal air passage.
Do not sit on the unit and do not put objects on the unit.
In case of unusual sounds, smoke disconnect the unit from power supply
and contact the service centre.
Follow the manual guidelines to ensure trouble-free operation and long
service life of the product.
Hazardous parts access and water ingress protection standard IP24.
STORAGE AND TRANSPORTATION RULES
Transportation of the unit is allowed by any vehicle provided the unit is
transported in the original package and is protected against weather and
mechanical damages.
Use hoist machinery for handling and transportation to prevent possible
mechanical damages of the unit. Full the requirements for transportation of
the specied cargo type during cargo-handling operations.
Store the unit in a dry and cool place in the original packing.
The storage environment must not be subjected to any aggressive and/
or chemical evaporations, admixtures, foreign objects that may provoke
corrosion and damage connection tightness.
Store the unit in an environment with minimized risk of mechanical
damages, temperature and humidity uctuations.
Do not expose the unit to the temperatures below +10°C and above +40 °C .
Connection of the unit to power mains is allowed after the unit has been
kept indoor for minimum two hours.
MANUFACTURER’S WARRANTY
The product complies with the requirements according to the EU norms
and directives, to the relevant EU-Low Voltage Equipment Directives, EU-
Directives on Electromagnetic Compatibility.
We hereby declare that the following product complies with the essential
protection requirements of Electromagnetic Council Directive 2004/108/
EC, 89/336/EEC and Low Voltage Directive 2006/95/EC, 73/23/EEC and
CE-marking Directive 93/68/EEC on the approximation of the laws of the
Member States relating to electromagnetic compatibility.
The manufacturer hereby warrants normal operation of the unit over
the period of 2 years from the retail sale date provided observance of the
installation and operation regulations.
In case of failure due to manufacturing fault during the warranty period
the consumer has the right to exchange it.
If case of no conrmation of the sale date, the warranty period shall be
calculated from the manufacturing date.
The replacement is oered by the Seller.
The manufacturer shall not be liable for any damage resulting from any
misuse of or gross mechanical interference with the unit.
Full the operation manual requirements to ensure a trouble-free and
long service life of the unit.
WARNING
Do not dispose in domestic waste.
The unit contains in part material that can be
recycled and in part substances that should not end up
as domestic waste.
Dispose of the unit once it has reached the end of
its working life according to the regulations valid where
you are.
ATTENTION
The product is not allowed for use by children and persons with reduced
physical, mental or sensory capacities, without proper practical experience
or expertise, unless they are controlled or instructed on the product opera-
tion by the person(s) responsible for their safety. Supervise the children and
do not let them play with the product.

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VENTO A50 / A50-1 / A50 S / A50-1 S
DESIGN AND OPERATING LOGIC
The unit consists of a telescopic duct with adjustable length, a ventilation
unit and an outer ventilation hood.
Two lters and a ceramic heat accumulator (regenerator) are installed
inside of the telescopic air duct. The round Ø 150 mm air duct is made of
plastic and has an adjustable length:
– 240 up to 460 mm for the models VENTO A50 / A50-1;
– 120 up to 420 mm for the models VENTO A50 S / A50-1 S.
The unit is equipped with a high-tech ceramic heat accumulator with
regenerating eciency up to 91%. Due to the cellular structure is has larger
contact surface and higher eciency. The heat accumulator is featured with
excellent heat-conducting properties and thermal energy storage capacity.
The ceramic heat accumulator is used for extract air heat energy recovery
for warming up of supply air. The cord inside the regenerator facilitates its
removal for maintenance. The regenerator is installed on the insulation
material used as a sealer as well.
The ventilation unit must be installed on inner side of the wall. It is
equipped with automatic shutters that close the air duct when the unit is o.
Air is supplied and extracted with an axial reversible EC-fan with low
energy demand. The motor has overheating protection and ball bearings for
longer service life.
Two built-in lters with total lter class G3 are used for supply and extract
air ltration and the regenerator anti-soiling protection.
The outer ventilation hood must be installed on outer side of the building
to prevent ingress of large objects and water into the unit.
The integrated automation enables two-speed operation of the unit
(minimum or maximum speed):
– ventilation mode (air supply or air extract);
– reversible operation mode with heat regeneration.
The external control and power unit SEA-T12 or the control panel SEA is
used for operation mode control.
The delivery set of the units VENTO A50 Pro / A50-1 Pro / A50 S Pro / A50-1
S Pro includes the control and power unit SEA-T12 consisting of the control
panel SEA and the 12W transformer AT-12.
The single control and power unit SEA-T12 enables connection up to 4
units and their integration into a central controlled ventilation system.
The following components are required to arrange a central controlled
ventilation system consisting of from 4 up to 12 ventilation units:
– required number of VENTO A50 units (no control unit is included);
– control panel SEA;
– 40W power transformer AT-40.
Outer ventilation hood
Outer air duct
Inner air duct
Ceramic regenerator
Distance ring
Filter
Filter
Air ow rectier
Ventilation unit
Decorative at front panel
Fig. 1. Unit design
The unit has four ventilation modes:
1. Ventilation mode (air supply or air extract) at rst speed.
2. Ventilation mode (air supply or air extract) at second speed.
3. Reversible mode (regeneration) at rst speed.
4. Reversible mode (regeneration) at second speed.
In regeneration mode the unit operates in 2 cycles, 70 seconds each.
Cycle I. Warm stale air is extracted from the premise, ows through the
ceramic regenerator and transfers its heat energy. In 70 seconds the
ceramic regenerator gets warmed up and the unit is switched to the
supply mode.
Cycle II. Clean cold intake air ows through the regenerator, absorbs
humidity and is warmed up with the accumulated heat. In 70 seconds
the ceramic regenerator is cooled down and the unit is switched to the
extract air mode. The cycle begins anew.
CYCLE I
CYCLE II
-10 °С
-10 °С
+20 °С
+20 °С
+17 °С
+17 °С
-7 °С
-7 °С
7
0
s
e
c
.
7
0
s
e
c
.
A
I
R
E
X
T
R
A
C
T
A
I
R
S
U
P
P
L
Y

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VENTO A50 / A50-1 / A50 S / A50-1 S
MODIFICATIONS AND OPTIONS
VENTO A50 / VENTO A50-1
The unit for the wall thickness from 240 up to 460 mm. The control panel
and the power unit are available on separate order.
VENTO A50 S / VENTO A50-1 S
The unit for the wall thickness from 120 up to 420 mm. The control panel
and the power unit are available on separate order.
VENTO A50 Pro / VENTO A50-1 Pro
The unit for the wall thickness from 240 up to 460 mm. Equipped with the
control panel and the control unit SEA-T12.
VENTO A50 S Pro / VENTO A50-1 S Pro
The unit for the wall thickness from 120 up to 420 mm. Compatible with
the control panel and the control unit SEA-T12.
DELIVERY SET
Unit - 1 item;
Fixing set - 1 item;
SEA-T12 - control and power unit for Pro models - 1 item;
Cable Unitronic LIYY UL CSA 5xAWG/7 (5x0.25), 3 m long - 1 item;
Operation manual - 1 item;
Packing box - 1 item.
ATTENTION
Make sure the unit has no visible transport damages while accepting the goods. Check the ordered and the delivered goods for
compliance.
Fig. 2. VENTO A50 / VENTO A50 -1
Fig. 4. VENTO A50 S / VENTO A50-1 S
Fig. 3. VENTO A50 Pro / VENTO A50-1 Pro
Fig. 5. VENTO A50 S Pro / VENTO A50-1 S Pro

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VENTO A50 / A50-1 / A50 S / A50-1 S
TECHNICAL DATA
Table 1. Technical data of the unit
Parameters VENTO A50 / A50-1 / A50 S / A50-1 S
Supply Voltage / 50 Hz [V] 230
Speed 1 2
Total unit power [W] 3.68 4.83
Total unit current [A] 0.021 0.026
Max. air ow [m3/h] 26 53
Sound pressure level at 3 m distance [dBA] 24 34
Sound pressure level at 1 m distance [dBA] 14 24
Transported air temperature [°C] from -20 up to +50
Total ltering class of 2 lters G3
Heat regeneration eciency [%] up to 90
Regenerator type Ceramic energy accumulator
Ingress Protection Rating IP24
Fig. 6. Overall dimensions [mm]
Distance ring А
Inside Outside
Model А, mm
VENTO A50 / A50-1 10
VENTO A50 S / A 50-1 S 10-110
Fill the gaps with a mounting foam
MOUNTING
WARNING
Read the operation manual prior to any electric installations. Connection of the unit to power mains is allowed by qualified professionals.
The unit is designed for through-the-wall mounting in the building outer
wall.
Mounting sequence:
1. Prepare a round core hole through the outer wall. The size is shown in the
gure 7. While mounting several connected in series units provide a recess
for the cable layout during the hole preparation to enable series connection
of several units.
2. Install the telescopic air duct in the wall. The protruding telescopic air duct
section on outer wall side must be equal to the distance A, g. 8.
3. Fill the gaps between the wall and the telescopic air duct with a mounting
foam.
Fig. 8. Telescopic air duct mounting
170
Fig. 7. Size of the core hole
212
240-460
34
280
300
157
212
120-420
34
310
260
157
157
242
240-460
59
300
280
242
120-420
59
310
260
157

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VENTO A50 / A50-1 / A50 S / A50-1 S
5. Install the ceramic regenerator with both lters, front and back, and the air
ow rectier in this sequence, g. 9.
6. Insert the dowels 5x25 in the wall and x the ventilation unit to the wall
with screws 3x25 from the delivery set, g. 10.
Fig. 9. Unit components mounting Fig. 10. Hole marking for the ventilation unit
Marking of the fastening holes
for the ventilation unit, mm
195
Ø6
4 holes
150
196
170
7. Mark the fastening holes for the outer ventilation hood:
• Fig. 11a − for the models VENTO A50 / A50-1;
• Fig. 11b − for the models VENTO A50 S / A50-1 S.
Drill 40 mm holes for the dowels 6x40.
Fig. 11а. Fig. 11b.
193,5
Ø6
4 holes
246,4
220
Ø6
4 holes
220
8. Insert the dowels 6x40 from the delivery set into the holes.
9. Disassemble the outer ventilation hood to enable access to the fastening
holes:
• Fig. 12a - models VENTO A50 / A50-1. Remove the upper part of the outer
ventilation hood.
• Fig. 12b - models VENTO A50 S / A50-1 S. Loosen these 5 screws and take o
the upper part of the outer ventilation hood.
Fig. 12а. Fig. 12b.

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VENTO A50 / A50-1 / A50 S / A50-1 S
Screws
Screws
10. Fix the back part of the outer hood on the wall.
• Fig. 13a - models VENTO A50 / A50-1. Fix the back part of the outer ventilation
hood to the wall with the screws 4x40 from the delivery set.
• Fig. 13b -models VENTO A50 S / A50-1 S. Fix the back part of the outer
ventilation hood to the wall with the screws 4x40 from the delivery set.
11. Install the upper part of the outer ventilation hood:
• Fig. 14a − for the model VENTO A50 / A50-1;
• Fig. 14b − for the model VENTO A50 S / A50-1 S.
Fig. 13а.
Fig. 14а.
Fig. 13b.
Fig. 14b.
12. Install the control panel SEA-T12 with a power unit inside a prepared hole
in the wall, see g. 15. The control panel mounting place must be inaccessible
for children. During selection of the control panel mounting place consider the
supplied cable length. A longer cable may be used if required, of Unitronic LIYY
UL CSA 5xAWG/7 (5x0.25) type.
А-А
140 mm
Ø 68 mm
2 holes
SEA
А
А
70 mm
48 mm
70 mm
R35
2 radii
SEA-Т12
А-А
Fig. 15.

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VENTO A50 / A50-1 / A50 S / A50-1 S
CONNECTION AND CONTROL
WARNING
Read the operation manual prior to any electric installations. Connection of the unit to power mains is allowed by a
qualified electrician only.
The rated electrical parameter are stated on the rating plate. No modifications of internal connections are allowed and will
result in void warranty.
Connect the fan only to power mains with valid electric standards. The unit must be connected to a correct mounted socket
with a grounded terminal or connected to a fixed installed cable.
Follow the respective electric standards, safety rules (DIN VDE 0100), TAB der EVUs. The house cabling system must be
equipped with an automatic switch at the external input. Connect the unit to power mains through the automatic switch. The
contact gap on all poles at least 3 mm (VDE 0700 T1 7.12.2 / EN 60335-1).
Install the automatic switch to ensure prompt access.
The unit is controlled with the external control panel SEA or the control
and power unit SEA-T12. The control devices are available on separate order if
not included into the delivery set of the unit model.
The control and power unit SEA-T12 consists of a control panel and a 12
W power transformer, g. 16. In case of the control panel SEA either power
transformer AT-12 or AT-40 are used and are available upon separate order.
The unit is rated for connection to single-phase alternating current power
mains 230 V / 50 Hz or 120 V / 60 Hz, depending on the used transformer type.
Separate power supply must be provided both to the control panel and to
the ventilation unit to control the automatic shutters. The control and power
unit modications are customer selected depending on power mains voltage
and transformer power in compliance with the table 2.
Table 2. Control panel technical data
Control and power unit name
Transformer data
Note
Power [W] Voltage [V]
Input Output
Control and power unit SEA-T12
12
230 / 50 Hz 12 / 50 Hz
Rated for connection up to 4 units
Control and power unit SEA-T12 (120 V / 60 Hz) 120 / 60 Hz 12 / 60 Hz
Control panel SEA + transformer AT-40
40
230 / 50 Hz 12 / 50 Hz
Rated for connection up to 12 units
Control panel SEA + transformer AT-40 (120 V / 60 Hz) 120 / 60 Hz 12 / 60 Hz
Control panel SEA + transformer AT-12
12
230 / 50 Hz 12 / 50 Hz
Rated for connection up to 4 units
Control panel SEA + transformer AT-12 (120 V / 60 Hz) 120 / 60 Hz 12 / 60 Hz
Control panel SEA and power transformer AT Control and power unit SEA-T12
Control panel SEA
Transformer
Fig. 16.

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VENTO A50 / A50-1 / A50 S / A50-1 S
Two control channels are used for connection of Vento A50 units to the
control panel SEA. Such design solution provides exibility during connection
of several Vento A50 units.
The impeller rotation direction at start of the regeneration mode or in
ventilation mode is determined by positioning the jumper JMP1 on the
ventilation unit circuit board. The jumper positioned in «Flow In» position sets
the unit to supply mode and the jumper positioned in «Flow Out» position
sets the unit to extract mode.
The VENTO A50 is connected to the control panel SEA with a ve-wire cable.
The wire colour marking corresponds to the supplied cable. The minimum
conductor cross section is 0.25 mm2(23 AWG).
Type and power of the step-down transformer T1 is selected to provide 12 V
alternatingcurrentvoltageand3W powerconsumptionofeachVentoA50unit.
Separate power supply (230 V / 50 Hz or 120 V / 60 Hz) must be connected
both to the control unit SEA (SEA-Т) and to the ventilation unit to enable
actuation of the automatic shutters (socket connectors 31-32 in each case).
All electric connection to the control unit and the ventilator are performed
with the socket connectors (detachable terminal blocks) for mounting and
servicing facilitation. Each mating part of the socket connector has colour
marking in compliance with marking on the circuit board to ensure correct
and quick electric installation.
The control panel SEA is used to set one of four operation mode of the unit,
g. 17:
1.Ventilation mode (air extract / air supply)* at the rst speed with air ow 26 m3/h.
2. Ventilation mode (air extract / air supply)* at the second speed with air
capacity 53 m3/h.
3. Reversible (regeneration) operation at the rst speed with air ow 26 m3/h.
The unit changes air ow direction every 70 seconds.
4. Reversible (regeneration) operation at the second speed with air ow 53 m3/h.
The unit changes air ow direction every 70 seconds.
* - air ow direction depends on position of the jumper JMP1 on the
circuit board. The jumper is set to supply mode by default, g. 18.
Unit on
Unit o
First
speed mode
Reversible
operation mode
Second
speed mode
Extract /
supply mode*
Fig. 17.
Fig. 18. General wiring diagram for connection of Vento A50 unit to the SEA control panel
31
32
33
34
35
36
11
12
13
14
15
11
12
13
14
15
1
2
3
4
5
1 2 3 4
5
31 32
33 34
35
36
3738
3940
ÕÒ3
25
21
22
23
24
15
14 13
12
11
5
1 2 3 4
1 2 3 4
5
31 32
33 34
35
36
3738
3940
ÕÒ3
25
21
22
23
24
15
14 13
12
11
5
1 2 3 4
L
N
5
4
3
2 1
SEA control panel
Vento A50
JMP1
Marking "1-5" on the
connecting cable socket
connector
Marking "11-15" on the
controller socket
connector
~120 V
or
~230 V
~120 V
or
~230 V
Marking "1-5" on the
connecting cable
socket connector
Marking "11-15" on the
controller socket
connector
Marking "21-25" on the
controller socket
connector
~120 V
or
~230 V
grey brown yellow green white
grey
brown
yellow
green
white
white
white
red
red
Transformer 12 W
АТ-12