Vents Style Series User manual

AXIAL FAN
User’s manual
www.ventilation-system.com
EN Vents 100 Style

2
EN
CONTENTS
Delivery set ............................................................................................................................................................................................................................................ 7
Brief description ................................................................................................................................................................................................................................. 7
Operation guidelines ....................................................................................................................................................................................................................... 7
Designation key................................................................................................................................................................................................................................... 8
Mounting................................................................................................................................................................................................................................................. 8
Fan setup ................................................................................................................................................................................................................................................. 9
Maintanance.......................................................................................................................................................................................................................................... 10
Storage and transportation regulations............................................................................................................................................................................... 10
Manufacturer’s warranty................................................................................................................................................................................................................ 11
This user’s manual is a main operating document intended for technical, maintenance, and operating staff.
The manual contains information about purpose, technical details, operating principle, design, and installation of the
Vents 100 Style unit and all its modifications.
Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should
be able to work in accordance with workplace safety rules as well as construction norms and standards applicable in the
territory of the country.

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READ THE USER’S MANUAL CAREFULLY BEFORE PROCEEDING WITH INSTALLATION WORKS.
COMPLIANCE WITH THE MANUAL REQUIREMENTS ENSURES RELIABLE OPERATION AND LONG
SERVICE LIFE OF THE UNIT. KEEP THE USER’S MANUAL AVAILABLE AS LONG AS YOU USE THE UNIT.
YOU MAY NEED TO REREAD THE INFORMATION ON THE PRODUCT SERVICING.
This unit is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision
or instruction concerning use of the unit by a person responsible for
their safety.
Children should be supervised to ensure that they do not play with
the unit.
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.
Cleaning and user maintenance shall not be made by children
without supervision.

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Precautions must be taken to avoid the back-flow of gases into the
room from the open flue of gas or other fuel-burning appliances.
Connection to the mains must be made through a disconnecting
device, which is integrated into the fixed wiring system in accordance
with the wiring rules for design of electrical units, and has a contact
separation in all poles that allows for full disconnection under
overvoltage category III conditions.
Children shall not play with the appliance.
Ensure that the unit is switched off from the supply mains before
removing the guard.
All operations described in this manual must be performed by
qualified personnel only, properly trained and qualified to install,
make electrical connections and maintain ventilation units.
Do not attempt to install the product, connect it to the mains, or
perform maintenance yourself.
This is unsafe and impossible without special knowledge.
Disconnect the power supply prior to any operations with the unit.
All user’s manual requirements as well as the provisions of all the

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applicable local and national construction, electrical, and technical
norms and standards must be observed when installing and
operating the unit.
Disconnect the unit from the power supply prior to any connection,
servicing, maintenance, and repair operations.
Only qualied electricians with a work permit for electrical
units up to 1000 V are allowed for installation. The present user’s
manual should be carefully read before beginning works.
Check the unit for any visible damage of the impeller, the casing, and
the grille before starting installation. The casing internals must be free
of any foreign objects that can damage the impeller blades.
While mounting the unit, avoid compression of the casing!
Deformation of the casing may result in motor jam and excessive
noise.
Misuse of the unit and any unauthorised modifications are not
allowed.
Do not expose the unit to adverse atmospheric agents (rain, sun, etc.).
Transported air must not contain any dust or other solid impurities,

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THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE.
DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE.
sticky substances, or fibrous materials.
Do not use the unit in a hazardous or explosive environment
containing spirits, gasoline, insecticides, etc.
Do not close or block the intake or extract vents in order to ensure the
efficient air flow.
Do not sit on the unit and do not put objects on it.
The information in this user’s manual was correct at the time of the
document’s preparation.
The Company reserves the right to modify the technical
characteristics, design, or configuration of its products at any time in
order to incorporate the latest technological developments.
Never touch the unit with wet or damp hands.
Never touch the unit when barefoot.
BEFORE INSTALLING ADDITIONAL EXTERNAL DEVICES, READ THE
RELEVANT USER MANUALS.

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DELIVERY SET
Fan - 1 pc.
Screws with dowels - 4 pcs.
Plastic screwdriver - 1 pc. (only for the models with a timer)
User’s manual - 1 pc.
Packing box - 1 pc.
BRIEF DESCRIPTION
The product described herein is an axial fan for exhaust ventilation of small to medium-sized premises heated during winter.
The fan is designed for connection to 100 mm air ducts. The fan is equipped with an automatic front panel that opens when
the fan is running and closes when the fan is not running, which prevents backflow of air when the fan is off.
OPERATION GUIDELINES
The fan is rated for connection to AC single-phase. The power mains parameter are stated on the packing box and/or on the
sticker on the fan casing.
Air motion direction in the system must match the pointer on the fan casing.
Hazardous parts access and water ingress protection rating is IP44.
The fan is rated for operation at the ambient temperature ranging from +1 °C up to +40 °C.
The unit is rated as a Class II electrical appliance.

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MOUNTING
The fan is designed for wall mounting and connection to a ventilation shaft or a round air duct of a matching diameter
(Fig. 2).
Mounting steps:
Step 1. Cut off power supply and make sure that the power is disconnected (Fig. 3).
Step 2. Route the power cable to the vent (Fig. 4).
Step 3. Disconnect the front panel from the fan. Then remove the cover that covers the terminal block (Fig. 5).
Step 4. Mark and bore the fastening holes and install the fan (Fig. 6-8).
Step 5. Connect the fan to power supply in compliance with the wiring diagram (Fig. 12-16).
Step 6. Install the cover that closes the terminal block (Fig. 9) and the front panel on the fan casing (Fig. 10).
Step 7. Provide power supply to the fan (Fig. 11).
Designation of the terminals on the wiring diagrams:
L: live
N: neutral
S: external switch
QF: circuit breaker
DESIGNATION KEY
100 Style Duo T
Extra options:
_: basic modification (turning on and off )
T: turn-on delay timer, turn-off delay timer and interval timer
TH: humidity sensor, turn-on and turn-off delay timer
Motor type:
_: single-speed
Duo: two-speed motor
Exhaust spigot diameter [mm]
The fan only starts when the front panel is installed.
The fan does not start until one minute after power is applied.

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DO NOT USE A METAL SCREWDRIVER, KNIFE, ETC. FOR ADJUSTMENT
OPERATIONS NOT TO DAMAGE THE CIRCUIT BOARD
FAN SETUP
: to adjust the humidity set point turn the control knob Hclockwise to increase and counter-clockwise to decrease the
humidity sensor set point, adjustable from 60% up to 90%.
: turning of the interval timer on and its adjustment is performed with the potentiometer Ti. To turn the interval timer
off, set the potentiometer Tiinto the leftmost position. Rotation of the potentiometer for 1/3 clockwise sets the interval timer
operation for 6 hours, rotation of the potentiometer for 2/3 clockwise sets the interval timer operation for 12 hours, rotation
of the potentiometer clockwise in the rightmost position sets the interval timer operation for 24 hours.
: to adjust the fan turn-off delay time, turn the control knob To clockwise to increase and counter-clockwise to
decrease the turn-off delay time respectively, adjustable from 2 up to 30 minutes.
Attention! If the switch opens within 60 seconds after its closing, the fan operating status does not change.
Attention! After closing of the switch S the front
panel opens within 1 minute. After opening of the
switch S (for basic model) or after countdown of
the turn-o delay time (for T and TH models) the
front panel closes within 1 minute.
The fan delivery set includes a specially designed
plastic screwdriver for fan settings adjustments.
Use it for setting the on-delay time, off-delay time and
humidity setpoint.
H
60% 90%
To
2 min 30 min
Ti
O 24 hour
for TH
for Т
for Т/TH

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MAINTANANCE
The fan maintenance periodicity is at least once per 6 months.
Maintenance steps:
• Cut off power supply to the fan and make that the power is disconnected (Fig. 17).
• Take off the front panel and clean the fan with a soft dry cloth or a brush (Fig. 18).
• Rinse the front panel with running water (Fig. 19).
• Wipe the fan surfaces dry.
• Cover the fan with the front panel.
• Provide power supply (Fig. 20).
WARNING! Avoid water dripping on the electric components.
WARNING! Avoid water dripping on the electric components.
STORAGE AND TRANSPORTATION REGULATIONS
• Store the unit in the manufacturer’s original packaging box in a dry closed ventilated premise with temperature range
from +5 °C to +40 °C and relative humidity up to 70 %.
• Storage environment must not contain aggressive vapors and chemical mixtures provoking corrosion, insulation, and
sealing deformation.
• Use suitable hoist machinery for handling and storage operations to prevent possible damage to the unit.
• Follow the handling requirements applicable for the particular type of cargo.
• The unit can be carried in the original packaging by any mode of transport provided proper protection against precipitation
and mechanical damage. The unit must be transported only in the working position.
• Avoid sharp blows, scratches, or rough handling during loading and unloading.
• Prior to the initial power-up after transportation at low temperatures, allow the unit to warm up at operating temperature
for at least 3-4 hours.

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MANUFACTURER’S WARRANTY
The product is in compliance with EU norms and standards on low voltage guidelines and electromagnetic compatibility.
We hereby declare that the product complies with the provisions of Electromagnetic Compatibility (EMC) Directive 2014/30/
EU of the European Parliament and of the Council, Low Voltage Directive (LVD) 2014/35/EU of the European Parliament and
of the Council and CE-marking Council Directive 93/68/EEC. This certificate is issued following test carried out on samples
of the product referred to above.
The manufacturer hereby warrants normal operation of the unit for 60 months after the retail sale date provided the user's
observance of the transportation, storage, installation, and operation regulations. Should any malfunctions occur in the
course of the unit operation through the Manufacturer's fault during the guaranteed period of operation, the user is entitled
to get all the faults eliminated by the manufacturer by means of warranty repair at the factory free of charge. The warranty
repair includes work specific to elimination of faults in the unit operation to ensure its intended use by the user within the
guaranteed period of operation. The faults are eliminated by means of replacement or repair of the unit components or a
specific part of such unit component.
The warranty repair does not include:
• routine technical maintenance
• unit installation/dismantling
• unit setup
To benefit from warranty repair, the user must provide the unit, the user's manual with the purchase date stamp, and the
payment paperwork certifying the purchase. The unit model must comply with the one stated in the user’s manual. Contact
the Seller for warranty service.
The manufacturer’s warranty does not apply to the following cases:
• User’s failure to submit the unit with the entire delivery package as stated in the user’s manual including submission
with missing component parts previously dismounted by the user.
• Mismatch of the unit model and the brand name with the information stated on the unit packaging and in the user's
manual.
• User’s failure to ensure timely technical maintenance of the unit.
• External damage to the unit casing (excluding external modifications as required for installation) and internal
components caused by the user.

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• Redesign or engineering changes to the unit.
• Replacement and use of any assemblies, parts and components not approved by the manufacturer.
• Unit misuse.
• Violation of the unit installation regulations by the user.
• Violation of the unit control regulations by the user.
• Unit connection to power mains with a voltage different from the one stated in the user's manual.
• Unit breakdown due to voltage surges in power mains.
• Discretionary repair of the unit by the user.
• Unit repair by any persons without the manufacturer’s authorization.
• Expiration of the unit warranty period.
• Violation of the unit transportation regulations by the user.
• Violation of the unit storage regulations by the user.
• Wrongful actions against the unit committed by third parties.
• Unit breakdown due to circumstances of insuperable force (fire, flood, earthquake, war, hostilities of any kind,
blockades).
• Missing seals if provided by the user’s manual.
• Failure to submit the user’s manual with the unit purchase date stamp.
• Missing payment paperwork certifying the unit purchase.
FOLLOWING THE REGULATIONS STIPULATED HEREIN WILL ENSURE A LONG AND TROUBLE-FREE
OPERATION OF THE UNIT.
USER’S WARRANTY CLAIMS SHALL BE SUBJECT TO REVIEW ONLY UPON PRESENTATION OF THE
UNIT, THE PAYMENT DOCUMENT AND THE USER’S MANUAL WITH THE PURCHASE DATE STAMP.

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175 14077
67
221 188
50
123
55
ø99
39
1.
2.

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QF
L N
3. 4. 5.
6. 7. 8.
9. 10. 11.

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12.
13.
Vents 100 Style
Vents 100 Style T
2
QF
3
L
N
S
2
QF
3
L
N
S
1
2
S
QF
3
L
N
1
2
S
QF
3
L
N
S switch is OFF
Fan does not run
Fan runs
No
Yes
Switch S is OFF during
countdown of the turn-on
delay timer
Activation of the turn-on
delay timer for 60 seconds
Activation of the interval
timer (6/12/24 hours)
Activation of the turn-off
delay timer (2…30 minutes)
Activation of the turn-off
delay timer (2…30 minutes)
S switch is ON
Fan runs

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14.
Vents 100 Style Duo T
1
2
S
QF
3
L
N
1
2
S
QF
3
L
N
Fan runs with
low speed
Fan runs with
high speed
Activation of the turn-on delay
timer for 60 seconds
No
Yes
Off 6/12/24 hours
S switch is OFF S switch is OFF
Switch S is OFF during
countdown of the turn-on
delay timer
Interval
timer
Fan does not run
Activation of the turn-off
delay timer (2…30 minutes)
Fan runs with
high speed
No
Yes
Switch S is OFF during
countdown of the turn-on
delay timer
Activation of the turn-on
delay timer for 60 seconds
Activation of the interval
timer (6/12/24 hours)
Activation of the turn-off
delay timer (2…30 minutes)
Activation of the turn-off
delay timer (2…30 minutes)
S switch is ON S switch is ON
Fan runs with
low speed

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15.
Vents 100 Style TH
No
1
2
S
QF
3
L
N
1
2
S
QF
3
L
N
Fan does not run
Fan runs
Fan runs
Humidity is above
set point
Activation of the turn-off
delay timer (2…30 minutes)
S switch is ON
Activation of the turn-on
delay timer for 60 seconds
Switch S is OFF during
countdown of the turn-on
delay timer
S switch is OFF
Humidity is above
set point
No
No
Yes
Yes
Yes
Humidity is below
set point

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16.
Vents 100 Style Duo TH
No
1
2
S
QF
3
L
N
1
2
S
QF
3
L
N
Fan does not run
Fan runs with
high speed
Fan runs with
low speed
Humidity is above
set point
Activation of the turn-off
delay timer (2…30 minutes)
S switch is ON
Activation of the turn-on
delay timer for 60 seconds
Switch S is OFF during
countdown of the turn-on
delay timer
S switch is OFF
Humidity is above
set point
No
No
Yes
Yes
Yes
Humidity is below
set point

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QF
L N
17. 18.
19. 20.

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