Verano freshAIR+ VST User guide

Table of contents
1. Introduction............................................................................................................................................................................5
1.1. General information........................................................................................................................................................5
1.2. Nameplate.......................................................................................................................................................................5
1.3. Symbols...........................................................................................................................................................................5
2. Safety 6
2.1. Responsibility..................................................................................................................................................................6
2.2. Protection of the environment and disposal ....................................................................................................................6
2.3. Safety rules......................................................................................................................................................................6
2.4. Safe use...........................................................................................................................................................................6
3. Product information ...............................................................................................................................................................7
3.1. Device description ..........................................................................................................................................................7
3.2. Product overview ............................................................................................................................................................8
3.3. Product dimensions .......................................................................................................................................................9
3.4. Technical data and available variants of the device ........................................................................................................9
3.5. Transport and storage ...................................................................................................................................................10
3.6. Working conditions ......................................................................................................................................................10
3.7. The scope of basic supplies ..........................................................................................................................................10
3.8. Available accessories: ...................................................................................................................................................10
4. Components used in AHUs...................................................................................................................................................11
4.1. Heat exchanger..............................................................................................................................................................11
4.2. Automatic Bypass .........................................................................................................................................................11
4.3. EC fans with Constant Flow .........................................................................................................................................11
4.4. Air filters ......................................................................................................................................................................11
4.5. PTC pre-heater .............................................................................................................................................................11
4.6. Casing made of expanded polypropylene .....................................................................................................................12
4.7. Condensate drain ..........................................................................................................................................................12
4.8. Built-in water reheater ..................................................................................................................................................12
4.9. AHU controller .............................................................................................................................................................12
5. Operating the controller........................................................................................................................................................12
5.1. User menu – structure....................................................................................................................................................12
5.2. The controller control....................................................................................................................................................13
Panel ecoTOUCH T4_RT:...............................................................................................................................................13
Panel simTOUCH2:........................................................................................................................................................14
5.3. Switching controller on and off ....................................................................................................................................14
Panel ecoTOUCH T4_RT:...............................................................................................................................................14
Panel simTOUCH2:........................................................................................................................................................14
5.4. Main screens..................................................................................................................................................................15
Panel ecoTOUCH T4_RT:...............................................................................................................................................15
5.5. Description of the controller's operation .......................................................................................................................17
5.5.1. Controller operation modes ..................................................................................................................................17
5.5.2. Device operation modes.........................................................................................................................................17
5.5.3. Settings of operating states ....................................................................................................................................18
5.5.4. User modes ............................................................................................................................................................18
5.5.5. Balanced ventilation function.................................................................................................................................18
5.5.6. GHE support .........................................................................................................................................................18
5.5.7. Bypass support.......................................................................................................................................................19
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5.5.8. Burglar alarm system..............................................................................................................................................19
5.5.9. Schedules...............................................................................................................................................................19
5.5.10. Filters replacement procedure..............................................................................................................................20
5.5.11. Exchanger cleaning..............................................................................................................................................20
5.5.12. General settings....................................................................................................................................................20
5.5.13. Cooperation with differential pressure sensors.....................................................................................................21
5.5.14. Internet module cooperation.................................................................................................................................21
5.5.15. Alarms and prompts .............................................................................................................................................24
5.5.16. Cooperation with air parameters sensors.............................................................................................................26
6. Installation and service settings............................................................................................................................................27
6.1. General Information......................................................................................................................................................27
6.2. Place of installation ......................................................................................................................................................27
6.3. Installation of the device ...............................................................................................................................................27
6.3.1. Minimum distances and service space ...................................................................................................................27
6.3.2. Wall mounting .......................................................................................................................................................27
6.3.3. Installation on the floor of the room ......................................................................................................................28
6.4. Connecting the condensate drain ..................................................................................................................................29
6.5. Connecting the air handling unit to ventilation ducts ....................................................................................................29
6.6. Connecting the electric installation and control system ................................................................................................30
6.7. Connecting the electric installation and control system ................................................................................................31
6.7.1. Central control according to demand .....................................................................................................................31
6.7.2. Central control according to demand .....................................................................................................................33
6.7.3. Local control according to demand (DCV).............................................................................................................34
7. Commissioning and acceptance of the installation................................................................................................................35
7.1. Before commissioning the installation ..........................................................................................................................35
7.2. The first run ..................................................................................................................................................................35
8. Service and maintenance works ...........................................................................................................................................35
8.1. Filter replacement .........................................................................................................................................................35
8.2. Removing the service cover ..........................................................................................................................................35
8.3. Heat exchanger service .................................................................................................................................................37
8.4. Bypass service ..............................................................................................................................................................37
8.5. Fan service ...................................................................................................................................................................37
8.6. PTC pre-heater service .................................................................................................................................................38
8.7. Service of the air cleaning module with a UV lamp ......................................................................................................39
8.8. Condensate drain service and control ...........................................................................................................................39
8.9. Service and maintenance of the controller ....................................................................................................................40
9. Operation of the controller for the installer ..........................................................................................................................40
9.1. Technical data................................................................................................................................................................41
9.2. Operating conditions ....................................................................................................................................................41
9.3. The controller installation .............................................................................................................................................41
9.4. Mounting of control panel.............................................................................................................................................41
9.5. Main module installation...............................................................................................................................................43
9.6. Cleaning and maintenance procedures...........................................................................................................................43
9.7. Electrical connection.....................................................................................................................................................43
9.8. Electrical diagram .........................................................................................................................................................44
9.9. Temperature sensor connection and installation ............................................................................................................45
9.10. Temperature sensors testing ........................................................................................................................................45
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9.11. Connecting differential pressure sensors......................................................................................................................45
9.12. Connecting differential pressure sensors .....................................................................................................................46
9.13. Connecting air parameters threshold sensor.................................................................................................................46
9.14. Connecting the internet module...................................................................................................................................46
9.15. Air filters.....................................................................................................................................................................46
9.16. Modbus communication..............................................................................................................................................46
9.16.1. Modbus RTU protocol..........................................................................................................................................46
9.16.2. Communication settings.......................................................................................................................................46
9.16.3. Read request 0x03................................................................................................................................................47
9.16.4. Modification request 0x06....................................................................................................................................47
9.16.5. Modification request 0x10....................................................................................................................................47
9.16.6. Modbus table .......................................................................................................................................................48
9.17. Installer menu - structure.............................................................................................................................................53
9.18. Manufacturer menu - structure....................................................................................................................................54
9.18.1. Menu - Unlock the device....................................................................................................................................56
9.19. Description of the installer parameters........................................................................................................................57
9.20. Outputs configuration and confirmation of configuration............................................................................................59
9.20.1. Heaters.................................................................................................................................................................60
9.20.2. Cooler...................................................................................................................................................................60
9.20.3. GHE.....................................................................................................................................................................60
9.20.4. By-pass.................................................................................................................................................................60
9.20.5. Rotary exchanger..................................................................................................................................................61
9.20.6. Mixing chamber...................................................................................................................................................61
9.20.7. CO2 and humidity threshold sensors....................................................................................................................61
9.20.8. Analog CO2 and humidity sensors.......................................................................................................................61
9.20.9. Signal from external central system......................................................................................................................61
9.20.10. Hood mode ........................................................................................................................................................61
9.20.11. Fans operation confirmation...............................................................................................................................62
9.20.12. Fire prevention system alarm..............................................................................................................................62
9.20.13. Filters dirtying control .......................................................................................................................................62
9.20.14. Fans control modes.............................................................................................................................................62
9.20.15. Configuration confirmation................................................................................................................................62
9.21. Software update...........................................................................................................................................................62
9.22. Other functions............................................................................................................................................................63
9.22.1. Unlocking the device...........................................................................................................................................63
9.22.2. Power supply outage...........................................................................................................................................63
9.22.3. Parts or components replacement........................................................................................................................63
9.22.4. Mains fuse replacement.......................................................................................................................................63
9.22.5. Control panel replacement...................................................................................................................................63
9.22.6. Executive module replacement............................................................................................................................63
9.23. Controller dimensions ................................................................................................................................................64
10. Declarations and documents ..............................................................................................................................................65
10.1. Energy labels of devices according to Ecodesign (1253 (1254) / 2014) ......................................................................65
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2. Safety
2.1. Responsibility
VS series recuperators are designed and manufactured for use in
balanced supply and exhaust ventilation systems. Using the devices
for other purposes is considered as use contrary to the intended use.
The appliance must not be connected to cooker hoods.
The manufacturer is not responsible for damage to the recuperator
or injuries caused by using it contrary to its intended use.
The air handling unit is intended solely for indoor operation. The
required value of the ambient temperature of the device is in the
range from + 5 ° C to + 40 ° C, relative humidity up to 70%.
2.2. Protection of the environment and
disposal
The high quality of products as well as the economy and ecology of
production, operation and disposal are for Verano Global Sp. z o. o.
equal goals. We strictly adhere to environmental standards and
regulations.
Taking care of the environment, we optimize production methods
by reducing the amount of waste and using materials that can be
completely recycled.
Factory packaging:
The packaging used for storage and delivery is suitable for later
use. The packaging, along with the purchased device, becomes the
property of the user. therefore, disposal is the responsibility of the
user or installer who is responsible for delivering and installing the
product.
Waste equipment:
After the service life of the product has expired, it should not be
disposed of with other municipal waste.
Pursuant to the regulations in force, improper disposal may lead to
the imposition of administrative penalties.
Out of concern for the natural environment, please recycle the
device responsibly at the end of its life. The device components
contain materials that must be sorted and recycled or disposed of.
Component access methods are described in this manual.
Take materials and components such as compressors, fans,
circulation pumps and printed circuit boards to a waste disposal
facility or dealer that provides disposal services.
2.3. Safety rules
Before starting any works related to the assembly or operation of
the recuperator, please read this manual. For the safety and comfort
of users, installation, assembly and service works should be carried
out by a qualified installer in accordance with applicable
regulations, accepted principles of engineering practice and this
manual.
The devices are intended for use in single-family houses, single
apartments and buildings of similar purpose. Alternative
applications of the device should be consulted with the
manufacturer before purchase.
The manufacturer is not liable for any damage resulting from
failure to comply with safety requirements and recommendations
or unauthorized modification of the device without the consent of
the manufacturer.
2.4. Safe use
Electrical connections, maintenance and servicing of the device
should be performed only by qualified installers in accordance with
the manufacturer's instructions and the applicable safety rules.
Before starting any service works, make sure that the heating
elements have cooled down and that the device has been
disconnected from the power supply and secured against accidental
start-up.
Due to the possibility of sharp and cutting edges, during
maintenance and service work be careful and use protective work
clothing and protection required by the provisions of Occupational
Health and Safety.
It is forbidden to:
connecting the device to a power supply other than that
indicated on the label,
operation of an unearthed device,
powering the device with an extension cord or a power
distributor,
powering the device by an electrical installation not prepared in
accordance with this manual,
starting the device before the end of the assembly work,
use of the device or installation connected with the device in an
aggressive or potentially explosive environment,
modify the device without the prior consent of the
manufacturer,
operation of the device by people who have not been trained or
read the manual, including children,
using the device for drying the construction site,
wkładania ciał obcych, w tym części ciała, przez króćce
przyłączeniowe do wnętrza urządzenia,
inserting foreign objects, including body parts, through the
connection stubs into the interior of the device.
The operation of the device should be stopped when:
there will be damage to the casing, including connection
nozzles,
there is any visible or audible damage to the device,
fluid appears on the electrical parts or connectors,
a foreign body gets into the installation.
Before removing the foreign body, as in the case of service work,
make sure that the heating elements have cooled down and that the
device has been disconnected from the power supply and secured
against accidental start-up. In the event of damage, immediately
shut down the installation and call the service in order to replace
the damaged elements.
ATTENTION! The device should be started only after connecting
the ventilation ducts. Starting the device without connecting the
channels creates a risk of injury from moving parts.
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3. Product information
3.1. Device description
The standard equipment of the freshAIR + VS series air handling
unit with heat recovery includes the following elements:
the casing made of foamed polypropylene provides excellent
thermal and acoustic insulation of the device, additionally
reinforced with a structure made of powder-coated steel sheet.
The casing is 100% recyclable.
counter-current heat exchanger allowing for the recovery of
sensible heat (temperature exchanger) or total heat (enthalpy
and hybrid heat exchangers),
fans with EC motors with high efficiency and low energy
consumption, with the possibility of smooth adjustment of the
flow.
built-in Constant Flow function, which ensures a constant
amount of air flow, regardless of the degree of dirtiness of the
filters or other temporary resistance disturbing the operation of
the installation. The equalization of the supply and exhaust air
streams ensures the highest efficiency of heat recovery.
PTC pre-heater, which is characterized by a stable, modular
structure, low flow resistance and uniform heating of the air
stream. The temperature sensor allows to reduce energy
consumption and protects against overheating of the air
handling unit.
built-in automatic bypass, which in the summer period allows
the intake air flow to bypass the heat recovery system, thanks
to which the temperature in the building will be reduced
without the use of air conditioning.
two-stage filtration system of the supply air: the ePM10 pre-
filter (60%) allows for the sifting of coarse-grained dust
floating in the air, and the ePM1 fine filter (55%) filters the
tiniest dust with a diameter smaller than 1 μm: viruses,
bacteria, nanoparticles and soot.
UV lamps for air disinfection
plugs in the casing for quick inspection and replacement of
filters
controller with a control panel that provides access to all
functions and settings of recuperators, which additionally
enables remote control via a web application, available in a
web browser or an application for Android and iOS.
Depending on the model, the heat recovery unit can be equipped
with:
reheater or cooler with condensate pump.
the secondary heater can be powered by the central heating
system medium and installation of chilled water is required to
supply the cooler
a relative humidity sensor
a relative humidity sensor and a wall-mounted sensor for
carbon dioxide concentration or air quality
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3.3. Product dimensions
3.4. Technical data and available variants of the device
The table below lists the models of VS series heat recovery units depending on the equipment version:
Secondary,
Water Heat
Exchanger
Exchanger and connection side
Temperature Enthalpy Hybrid
Central control according to demand, monochrome display
Shortage VST 400 VSE 250 VSH 400
Heater VST 400 H VSE 250 H VSH 400 H
Central control according to demand, color display
Shortage VST 400 + VSE 250 + VSH 400 +
Heater VST 400 H+ VSE 250 H+ VSH 400 H+
Local control according to demand (DCV)
Shortage VST 400 DCV VSE 250 DCV VSH 400 DCV
Heater VST 400 H DCV VSE 250 H DCV VSH 400 H DCV
FreshAIR + air handling units are available with a temperature, enthalpy and hybrid exchanger. The enthalpy and hybrid exchanger allows for
the recovery of moisture from the removed air stream, protecting users against dry air in the winter.
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Parameter
fresh
AIR+
VST 400
fresh
AIR+
VSE 250 fresh
AIR+
VSH 400 Unit
Exchanger type TEMPERATURE ENTHALPY HYBRID
Air stream
maximum 400 250 400 [m3/h]
nominal
280
175
280
[m3/h]
minimum 90 90 90 [m3/h]
External pressure (for the nominal
air stream) 150 250 200 [Pa]
Temperature efficiency of heat
recovery
for the nominal air stream 88
80
85
[%]
for the minimum air stream 93 86 92
[%]
Energy class
Central control according to demand A A A
Local control according A A A
Power consumption
for the maximum air stream at the
external pressure of 100 Pa
271 81 253 [W]
for the nominal air stream at the
external pressure of 50 Pa
122 52 115
[W]
Maximum sound power level
(LWA) 52 49 52 [dB(A)]
Built-in PTC electric heater
1,5
[kW]
Rated voltage 230 [V]
Width 726 [mm]
Height 1031 [mm]
Depth 572 [mm]
Diameter of connection nozzles 180 [mm]
Condensate nozzle diameter GZ 1 ¼"
[mm]
Filter class
ePM10 (60%), ePM1 (55%)
Filters dimensions ePM10 (60%) – 175x480x18 mm, ePM1 (55%) – 175x480x18 mm
3.5. Transport and storage
In order to avoid transport damage, the VS recuperator is delivered
on a factory pallet in a cardboard box, which protects the device.
The recuperator should be transported by a forklift or other
transport device. During transport, avoid shocks and impacts that
may damage the device.
The device should be stored in a dry, heated room at a temperature
ranging from +5 ° C to +30 ° C and relative humidity up to 60%.
The recommended maximum storage time for the air handling unit
is 12 months. After delivery, the device should be inspected for
possible transport and storage damage. Before starting the
assembly work, check the completeness and correctness of the
delivery. In the case of devices subject to long storage periods, it is
recommended to check:
operation of fan bearings,
the condition of the insulation of electric wires,
the condition of the device casing,
moisture inside the device,
the presence of foreign bodies inside the device housing.
It is forbidden to lift the device by holding the connection stubs.
3.6. Working conditions
The device should be installed in a room where it will be possible
to work all year round at a temperature of +5 ° C to +40 ° C.
Relative air humidity in the room must not exceed 70%.
Regardless of the method of installation, the device must be level
and equipped with a condensate drain.
The ventilation ducts connected with the AHU must have their own
support elements and their weight cannot be carried by the device.
3.7. The scope of basic supplies
Before starting the installation, check that the delivered device is
complete and undamaged.
The standard scope of delivery includes the following items:
VS series recuperator and
Filter set (2x ePM10 60% filter, 1x ePM1 55% fine filter)
UV lamps (2 pcs.)
Controller touch panel
A set of documents including:
user manual
installer manual
energy label
warranty card
service card
commissioning protocol
3.8. Available accessories:
The following items can be an optional scope of delivery:
A set of brackets for mounting the device on a wall
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To start the regulator, touch the button , the message "Turn on
the air handling unit?" will appear. Confirmation of the message
with the button will turn the regulator on again.
In order to switch off the regulator, touch the button on any
main screen and confirm deactivation of the regulator.
5.4. Main screens
Panel ecoTOUCH T4_RT:
The controller has two main screens. First: with the displayed parameters and operation modes, with the function of editing and reading
information; second: with automation scheme displayed. The view between these screens can be switched.
Main screen with options to read information and change selected parameters.
Legend:
1. Settings for main mode and user modes.
2. Additional mode selection.
3. Main menu access.
4. Information field, e.g.: active alarms - press to display a list of all current alarms.
5. Schedules settings.
6. Switching between main screens.
7. Basic information – press to display all available information about controller operation status.
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