Veneco Medium Comfort User manual

www.veneco-ventilation.be
Installaton manual
Medium Comfort
07/2015 - V 1.1 - EN

User's manual Medium Comfort
2
Elek Trends Productions nv
Rue des Bengalis 4 |B - 7700 Moeskroen
Tel. [phone] | Fax [phone]
[e-mail] |www.veneco-ventilation.be

User's manual Medium Comfort
3
INDEX
1. Safety requirements, p4
2. Introduction,p6
3. Use, p6
4. Delivery set, p6
5. Designation key, p6
6. Main technical data, p7
7. Design and operating logic, p8
8. Mounting and set-up, p9
9. Connection to power mains, p13
10. Unit control, p14
11. Maintenance, p14
12. Troubleshooting, p15

User's manual Medium Comfort
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1. SAFETY REQUIREMENTS
- Read and understand the users'manual before operating and mounting the air handling unit with heat recovery, hereinafter
referred as the unit.
- While mounting and operating the unit consider the requirements of the present user's manual as well as requirements of all
applicable local and national building and electrical codes and standards.
- Read carefully the warnings contained in the manual to make yourself aware of the safety rules!
- Non-compliance with the rules and warnings stated in the user's manual may result in a personal injury or the unit damage.
- Read the user's manual carefully and keep it as long as you use the product.
- In case of transferring operation of the unit to another person provide the user manual..
Symbol designation used in the manual:
MOUNTING SAFTEY PRECAUTIONS
Disconnect the unit from
power supply before mounting
and repair operations.
The unit must be grounded!
Do not operate the unit
beyond the specied
temperature range.
Do not use damaged electric
equipment and conductors for
electric connections.
Follow all applicable electrical
safety rules while operating and
mounting the unit.
Unpack the unit carefully.
Unauthorized power cable
length modication is not
allowed
Keep heating and other
devices away from the unit
power cable.
WARNING !
DO NOT !

User's manual Medium Comfort
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OPERATING SAFETY PRECAUTIONS
Do not touch the speed
controller or the control panel
with wet hands!
No maintenance is allowed
with wet hands.
Do not rinse the unit under
water. Protect the unit electric
parts from water ingress.
Use the unit for the purpose
intended only. Do not connect
clothes dryers or similar
equipment to the unit or the
ventilation system!
Do not put any containers
with water, for example, vases
on the unit.
Do not sit on the unit and do
not put any objects on it.
Do not damage the power
cable while operating the unit.
Do not put any objects on the
power cable.
Keep explosive and
inammable products away
from the unit
Do not open the operating
unit.
In case of unusual sounds, smell
or smoke disconnect the unit
from power supply and contact
the service centre..
Check the mounting reliability
periodically during the unit
operation.
Do not block the air duct when
the unit is on.
Do not let air ow from the
unit be directed to the open
ame devices or candles.

User's manual Medium Comfort
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2. INTRODUCTION
This user's manual combines technical description, operation and service manual, technical data sheet and installation guidelines
for the air handling unit with heat recovery medium comfort, hereinafter the unit.
3. USE
The unit is designed to save thermal energy by means of heat recovery and is one of the energy saving components used in buildings
and premises.The unit is a component part and is not designed for stand-alone operation.
The unit is designed to arrange permanent controllable air exchange by means of mechanical ventilation in houses, ofces, hotels,
cafes, conference halls and other residential and public premises as well as extract air heat recovery for warming up of fresh supply
air.
The unit is designed for wall surface mounting.
The unit is rated for continuous operation.
Transported medium must not contain any ammable or explosive mixtures, evaporation of chemicals, coarse dust, soot and oil or
fat particles, sticky substances, brous materials, pathogens or any other harmful substances.
4. DELIVERY SET
- Medium Comfort unit - 1 piece
- Fastening set - 1 piece
- User's manual - 1 piece
- Master plate - 1 piece
- Sensor speed switch - 1 piece
5. DESIGNATION KEY
Air capacity (m/h)
Unit name
Medium Comfort
4.0002.060M

User's manual Medium Comfort
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The unit is designed for indoor application with the ambient temperature ranging from +1°C (+34 °F) up to +40 °C (+104 °F) and
relative humidity up to 80%.
The transported air temperature must be from -20 °C (-4 °F) up to +50°C (+122° F).
The unit is classied as a class I electric appliance.
Ingress Protection (IP) rating from solid objects and liquids:
IP 44 for the unit motors;
IP 22 for the assembled unit integrated into air ductworks.
The unit design is regularly improved, so some models may slightly differ from those ones described in this manual.
Speed 123
Voltage , 50-60 Hz 1 ~ 100-240
Power (W) 4,2 9,6 15,4
Total unit current (A) 0,02 0,04 0,07
Air capacity (m³/h) 30 (17,7) 45 (26,5) 60 (35,3)
RPM (min) 1165 1720 2685
Noise level, 3m (dBA) 22 (0,38) 25 (0,42) 29 (1,0)
Max. transported air
temperature from -20° tot +50
IP IP 22
Casing material painted steel
Insulation PE foam
Filter extract x
supply x
Connected air duct diameter dia.125
Weight 10,3
Heat recovery efciency 79% 74% 70%
Heat exchanger type Counterow
Heat exchanger material Aluminium
6. TECHNICAL DATA

User's manual Medium Comfort
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7. DESIGNS AND OPERATING LOGIC
• The unit casing is made of painted steel, internally lled
with a heat- and sound-insulating material.
• The plate heat exchanger and two fans are located inside
the unit.
• The front panel is installed on the rotating sleeves to
enable access for the unit servicing.
• The casing bottom is equipped with a protecting service
panel to enable service access to the automation unit.
• The supply lter is installed between the fan and the heat
exchanger and provides fresh ltered air supply to the
unit.
• The extract lter is installed in the upper part of the
front panel.
• The temperature sensor downstream of the heat
exchanger in the exhaust air duct provides the heat
exchanger freezing protection. If the exhaust air
temperature drops down below +3 ºC (+37,4 ºF) the
heat exchanger freezing danger is registered. In this case
the supply fan is turned off and the unit operates in
exhaust mode only. After the heat exchanger is warmed
up and the freezing danger is no longer imminent the unit
reverts to the standard operation mode.
Unit operation logic
Supply fan
Supply lter
Heat exchanger
Extract lter
Front panel
Control unit
Exhaust fan
Supply air
Extract air
Intake air
Exhaust air
Warm stale extract air from the room ows through the
air ducts to the unit, is puried in the extract lter, then it
is moved to the heat exchanger and exhausted outside by
the exhaust fan. Clean cold air from outside is moved by
supply fans to the unit where it is puried through the supply
lter.Then clean air ows through the heat exchanger and is
supplied to the room.
Heat energy contained in the warm extract air is transferred
to the fresh intake inside of the heat exchanger. Heat recovery
minimizes heat energy losses and operating heating costs.

User's manual Medium Comfort
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The unit mounting is carried out with the master plate from the delivery set and two air ducts of required length or any of the mounting
kits, 4.0002.0001.
The mounting set 4.0002.0001 is specially designed for mounting of the unit in a ready-built premise. It includes two plastic air ducts,
500 mm long, a master plate for marking holes and an outer ventilation hood that prevents ingress of foreign objects inside the unit. If
the building’s wall thickness is above 500 mm prepare two extra Ø 125 mm air ducts of required length.
PAPER MASTER PLATE FOR HOLE MARKING (MM) (INCHES)
UNIT MOUNTING
The unit is mounted as follows:
1. Fix the master plate from the delivery set on the wall
with a sealing tape on required level.
8. MOUNTING AND SET-UP
drill 2 holes in the wall, 60mm
deep, with a ø 8mm tool.
2 holes for the round ø125mm duct. Fill the
gaps between the wall and the air duct with a
mounting foam.
Hole: dia. 125mm
Drill: 132mm

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2. Use a master plate to mark two Ø 130 mm holes for the air ducts and two Ø 8 mm holes for the dowels.
3. Remove the master plate and drill through holes for the air ducts and the 60 mm deep holes for the dowels. Drill the holes
for the air ducts sloped down by 2-3°.Then insert the dowels (included into delivery set) into respective holes.
4. Re-install the master plate with a sealing tape back. Fix the
master plate from the mounting kit on outer wall side to
align the air ducts with respect to each other. Fix the master
plate from the mounting kit somewhat lower to ensure the
minimum required slope 3°. Before mounting the master plate
press the perforated holes to remove the master plate
fragments and prepare holes for the air ducts.
5. Insert the air ducts inside the holes in the master plate
designed for the air ducts and seal those with a mounting foam
through the holes in the master plate. Install the air ducts
sloped down by 2-3° to ensure the condensate drainage from
the unit.
6.After the mounting foam gets hard (see the solidication time
in the product specication) remove the master plate and
cut the protruding parts of the air ducts to be ush with the
inner wall. On outer wall side, the air ducts must protrude for
10 mm to prevent condensate dropping on the wall.
2 gaten
2 holes
slope 3°
slope 3°

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7. Unit installation sequence:
- Open the front panel and remove the heat exchanger.
- Connect the unit spigots to the plastic air ducts.
- Fix the unit to the wall with the screws 5,0x50 from the delivery set by inserting those to the Ø8 mm holes.
- Install the heat exchanger and close the front panel.
- Install the outer ventilation hood NB Medium Comfort on outer side of the building to prevent ingress of large foreign objects
into the air ducts.
Attention! The round plastic air ducts and the outer ventilation hood are not included into the delivery set and are available on
separate order.You may use other ventilation grilles and hoods of the matching size.

User's manual Medium Comfort
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Wall
Fasteners
Unit
Round air duct
sloped down by 2-3°
Outer ventilation hood
Round air duct
sloped down by 2-3°
SENSOR SPEED SWITCH MOUNTING
Mounting sequence of the sensor speed switch:
Unfasten gently the switch front panel latches.
Remove the front panel.
Route the cable in the wall to the speed switch installation site.
Attach the back panel to the wall through the fastening openings.
Connect the control cable to the speed switch following the wiring diagram, page 13.
Install the front panel on the latches.
MAKE SURE THAT THE SWITCH IS NOT DAMAGED. DO NOT OPERATE A
DAMAGED SWITCH! DO NOT INSTALL THE SWITCH ON AN UNEVEN SURFACE!
DO NOT APPLY EXCESSIVE FORCES WHILE TIGHTENING THE SCREWS TO
AVOID THE SPEED SWITCH CASING DEFORMATION.

User's manual Medium Comfort
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The unit is rated for connection to single-phase ac 1~100-240V/ 50-60 Hz power mains.The unit wiring diagram is shown below.
UNIT WIRING DIAGRAM
9. CONNECTION TO POWER MAINS
DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY ELECTRIC
INSTALLATION OPERATIONS. CONNECT THE UNIT TO A CORRECT INSTALLED
SOCKET WITH A GROUNDED TERMINAL.
ANY INTERNAL CONNECTION MODIFICATIONS ARE NOT ALLOWED AND
RESULT IN WARRANTY LOSS.
yellow-green
brown
yellow
green
white
supply exhaust
High
Middle
Low
Input voltage110 - 240V
Outpunt current: 1A

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10. UNIT CONTROL
• Touch the button with a respective speed indication to activate the required unit speed.
— 1 speed
— 2 speed
— 3 speed
• For speed changeover, touch a button with a respective speed indication.
The respective current speed button glows blue.
• To turn the unit off touch a respective current speed button again.
The sensor switch panel is not lighted when the unit is off.
• The speed switch generates a sound signal each time the sensor panel is touched.
Speed switch control
11. MAINTENANCE
The recommended unit maintenance periodicity is 3-4 times per year.
Maintenance of the unit means regular cleaning of the unit surfaces and its components of dust and cleaning or replacement of the
unit lters.
To remove dust use a soft brush, cloth or a vacuum cleaner. Do not use water, abrasive detergents, solvents, sharp objects.The impeller
blades must be cleaned once in year.
Clogged lters increase air resistance and impair the unit air capacity. Clean the lters with a vacuum cleaner or ush with running water.
The lters must be cleaned at least 3-4 times per year.
To maintain the high heat recovery efciency, regular heat exchanger cleaning is required. Remove the heat exchanger prior to the
cleaning operation. Clean the lters with a vacuum cleaner or ush with running water.
DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE ANY
MAINTENANCE OPERATION WITH THE UNIT.
Casing
Supply lter
Heat exchanger
Extract lter
Front panel

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11. FAULT HANDLING
FAULTS AND FAULT HANDLING
Problem Possible reasons Fault handling
The fan does not start up during the
unit start-up No power supply - Make sure of correct power supply, otherwise troubleshoot
The motor is jammed, the impeller are
clogged
- Turn the unit off.Troubleshoot the
motor jam.
- Clean the blades
- Restart the unit
Automatic switch tripping Overcurrent resulted from short circuit
in the electric circuit
- Turn the unit off
- Contact the service centre
Low supply air temperature
The extract lter is clogged - Clean or replace the extract lter
The heat exchanger is frozen - Check the heat exchanger for icing.
- Turn the unit off and let ice melt
Low air ow
Low set fan speed - Set higher speed
The lters, the fan or the heat exchanger
is (are) soiled
- Clean or replace the lters
- Clean the fan and the heat exchanger
High noise, vibration
The impeller is soiled - Clean the impeller's
Loose screw connection - Tighten the screws
Not anti-vibration connectors are
installed
- Install the anti-vibration mounts (not
included into the delivery set).
ELEK TRENDS PRODUCTIONS NV GUARANTEE
All ELEK TRENDS devices are developed and manufactured according to the highest possible quality demands.
If however there happens to be a failure with an ELEK TRENDS product than the conditions of the guarantee are described
below The ELEK TRENDS guarantee is only valid in case of manufacturing or assembling errors
The guarantee commences on the day of purchase or invoice date of the product with a recognized dealer and ends
after the guarantee period as described below.The ELEK TRENDS guarantee is valid when the unit is used according to the user manual and when
the unit is used according to the purpose for what it was build.The original purchase order needs to be shown (invoice, ticket or receipt) with the
day
of purchase, the name of the ELEK TRENDS dealer and the model and serial number of the unit.
The ELEK TRENDS guarantee expires when:
- When one of the above mentioned documents have been changed, crossed out, deleted or been made unreadable.
- The model (type) or the production serial number on the unit has been changed, crossed through, erased or been made
unreadable
- Reparations or changes are done by a non authorised person or dealer
- A failure is the result of external (found outside of the unit)causes i.e. lightning, water pollution, fire, wrong use or negligence
- A failure caused by connected external devices, accessories or installation materials other then prescribed by ELEK TRENDS
- Damage caused by animals
- A failure due to normal wear and tear of the replaceable parts used as consumables (i.e. carbon brushes, filters,)
ELEK TRENDS always has the choice to replace or repair the unit
This guarantee excludes any other damage, indirect or commercial or consequential damage and is strictly limited to what is
explicitly mentioned in these conditions
Guarantee period and specific conditions:
- Guarantee of 1 year on labour and parts
- Installation, installation costs and travel expenses are not under guarantee
- Guarantee on installation materials and accessories is 1 year

ETP nv | Blauwfazantjesstraat 4 | B - 7700 Moeskroen
Tel. [phone] | Fax [phone] |
[e-mail]1 www.veneco-ventilation.be