Vents VKM 100 E User manual

VKM 100 E
VKM 100
VKM 125 E
VKM 125
VKM 150 E
VKM 150
VKM 200 E
VKM 200
VKMS 200
VKM 250 E
VKM 250
VKM 305 E
VKM 305
VKMS 305
VKM 355 Q
VKM 400
VKM 450
Centrifugal inline fans
USER’S MANUAL

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CONTENTS
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 VKM 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.
Safety requirements..................................................................................................................................................................... 2
Purpose................................................................................................................................................................................................ 4
Delivery set........................................................................................................................................................................................ 4
Designation key.............................................................................................................................................................................. 4
Technical data.................................................................................................................................................................................. 5
Design and operating principle ........................................................................................................................................... 6
Installation and set-up................................................................................................................................................................ 6
Connection to power mains .................................................................................................................................................. 7
Technical maintenance.............................................................................................................................................................. 8
Possible malfunctions and troubleshooting ................................................................................................................ 8
Storage and transportation regulations.......................................................................................................................... 8
Manufacturer’s warranty........................................................................................................................................................... 9
Certificate of acceptance.......................................................................................................................................................... 10
Seller information.......................................................................................................................................................................... 10
Installation certificate.................................................................................................................................................................. 10
Warranty card................................................................................................................................................................................... 10
SAFETY REQUIREMENTS
• Please read the user’s manual carefully prior to installing and operating the unit.
• All user’s manual requirements as well as the provisions of all the applicable local and national
construction, electrical, and technical norms and standards must be observed when installing
and operating the unit.
• The warnings contained in the user’s manual must be considered most seriously since they
contain vital personal safety information.
• Failure to follow the rules and safety precautions noted in this user’s manual may result in an
injury or unit damage.
• After a careful reading of the manual, keep it for the entire service life of the unit.
• While transferring the unit control, the user’s manual must be turned over to the receiving
operator.
UNIT INSTALLATION AND OPERATION SAFETY PRECAUTIONS
• Disconnect the unit from power mains prior to any installation operations.
• Unpack the unit with care.
• The unit must be grounded!
• While installing the unit, follow the safety regulations specific to the use of electric tools.
• Do not change the power cable length at your own discretion.
• Do not bend the power cable.
• Avoid damaging the power cable.

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• Do not put any foreign objects on the power cable.
• Do not lay the power cable of the unit in close proximity to heating equipment.
• Do not use damaged equipment or cables when connecting the unit to power mains.
• Do not operate the unit outside the temperature range stated in the user’s manual.
• Do not operate the unit in aggressive or explosive environments.
• Do not touch the unit controls with wet hands.
• Do not carry out the installation and maintenance operations with wet hands.
• Do not wash the unit with water.
• Protect the electric parts of the unit against ingress of water.
• Do not allow children to operate the unit.
• The unit is allowed to be used by children aged from 8 years oldand above and persons with
reduced physical, sensory, or mental capabilities or no experience and knowledge provided
that they have been given supervision or instruction regarding safe use of the unit and
understand the risks involved.
• Disconnect the unit from power mains prior to any technical maintenance.
• Do not store any explosive or highly flammable substances in close proximity to the unit.
• When the unit generates unusual sounds, odour, or emits smoke, disconnect it from power
supply and contact the Seller.
• Do not open the unit during operation.
• Do not direct the air flow produced by the unit towards open flame or ignition sources.
• Do not block the air duct when the unit is switched on.
• In case of continuous operation of the unit, periodically check the security of mounting.
• Do not sit on the unit and avoid placing foreign objects on it.
• Use the unit only for its intended purpose.
THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE.
DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE.

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PURPOSE
The VENTS VKM centrifugal fans are designed for ventilation of domestic, public and manufacturing premises heated during winter.
The transported air temperature must be within the limits stated in the «Technical data» section.
The fan is designed for horizontal or vertical mounting in an air duct and is used both for supply and exhaust ventilation.
Transported air must not contain any flammable or explosive mixtures, evaporation of chemicals, sticky substances, fibrous materials,
coarse dust, soot and oil particles or environments favourable for the formation of hazardous substances (toxic substances, dust,
pathogenic germs).
THE UNIT SHOULD NOT BE OPERATED BY CHILDREN OR PERSONS WITH REDUCED
PHYSICAL, MENTAL, OR SENSORY CAPACITIES, OR THOSE WITHOUT THE APPROPRIATE
TRAINING.
THE UNIT MUST BE INSTALLED AND CONNECTED ONLY BY PROPERLY QUALIFIED
PERSONNEL AFTER THE APPROPRIATE BRIEFING.
THE CHOICE OF UNIT INSTALLATION LOCATION MUST PREVENT UNAUTHORISED
ACCESS BY UNATTENDED CHILDREN.
THE UNIT MUST NOT BE OPERATED IN KITCHEN PREMISES.
NAME NUMBER
Fan 1 pc.
Outer mounting bracket for VKM fans (for 100-305 dia) 2 pcs.
User's manual 1 pc.
Packing box 1 pc.
DESIGNATION KEY
DELIVERY SET
VKM 100 Q(AntiRADON)
Casing options
_ – standard casing
(AntiRADON) – for extracting radon-containing air
Additional options
Q– equipped with a low-watt motor
E– equipped with an energy-saving motor
Exhaust spigot diameter
Fan series
VKM – centrifugal inline fan
VKMS – centrifugal duct fan with a high-powered motor

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TECHNICAL DATA
Permitted deviation of mains voltage: ±10 % of the rated voltage.
The fan must be grounded.
Ingress protection rating against access to hazardous parts and water ingress is IPX4.
Motor protection rating - IP44 (for VKM 355 Q/400/450 – IP54)
The unit design is constantly being improved, thus some models, their wiring diagrams and terminal symbols may be slightly different
from those described in this manual.
OVERALL AND CONNECTING DIMENSIONS
VKM 100 - 315 VKM 355 - 450
Model Dimensions [mm] Duct dia
D D1 BB1 LL1 L2 L3
VKM 100 E 3 15/16 8 - - 7 11/16
13/16 13/16 10 5/16 4
VKM 100 3 15/16 10 11 3/410 3/16 8 1/16
13/16 1 1 3/16 4
VKM 125 E 4 15/16 8 - - 7 11/16
13/16 13/16 10 5/16 5
VKM 125 4 15/16 10 11 3/410 3/16 8 1/16
13/16 1 1 3/16 5
VKM 150 E 5 7/811 15/16 13 3/412 3/16 8 11/16 1 1 1 3/16 6
VKM 150 5 7/811 15/16 13 3/412 3/16 8 11/16 1 1 1 3/16 6
VKM 200 E 7 7/813 9/16 15 3/813 3/49 7/81 1 1/81 9/16 8
VKM 200 7 7/813 9/16 15 3/813 3/49 7/81 1 1/81 9/16 8
VKMS 200 7 7/813 9/16 15 3/813 3/49 7/81 1 1/81 9/16 8
VKM 250 E 9 13/16 13 9/16 15 3/813 3/49 3/16 1 1 1/41 9/16 10
VKM 250 9 13/16 13 9/16 15 3/813 3/49 3/16 1 1 1/41 9/16 10
VKM 305 E 12 15 7/817 3/416 5/16 10 1/4
15/16 1 3/16 1 9/16 12
VKM 305 12 15 7/817 3/416 5/16 10 1/4
15/16 1 3/16 1 9/16 12
VKMS 305 12 15 7/817 3/416 5/16 10 1/4
15/16 1 3/16 1 9/16 12
VKM 355 Q 13 57/64 18 7/64 20 35/64 20 35/64 19 59/64 23 5/82 23/64 2 2/414
VKM 400 15 43/64 22 7/16 26 7/64 24 61/64 22 7/16 2 23/64 2 23/64 2 2/416
VKM 450 17 41/64 23 15/16 27 9/16 26 3/825 23/64 2 23/64 2 23/64 3 5/32 18

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DESIGN AND OPERATING PRINCIPLE
INSTALLATION AND SETUP
READ THE USER'S MANUAL BEFORE INSTALLING THE UNIT.
The fan consists of the casing 1, the electric motor attached to the inner fixing bracket 4, the cover 2 that is fixed to the casing with
screws 3 (the casing spigot diameter and the cover diameter are equal to the connected air duct diameter), the terminal box 5 that
incorporates a terminal block and a capacitor and enables connection of the fan to single-phase power mains.
Fig. 1
6 – outer fixing bracket
7 – screws
8 – bolt
The fans are designed for vertical or horizontal mounting. Air motion in the system must be in compliance with the direction of the arrow
on the fan casing. Install a hood on outlet (discharge) spigot side in case of the vertical fan installation. Provide a straight air duct section
at least 1 m long on the intake spigot side in case of horizontal fan installation with maximum allowable humidity.
m
Mounting sequence:
• Remove the bolt from the casing 1 and install the fixing brackets in such a way so that the holes on the fixing brackets are aligned
with the heads of the screws 3.
• Fix the fixing brackets on the casing with bolts.
• Drill the holes in the mounting surface to match the fitment holes of the fixing brackets.
• Fix the fan with the screws.
• Connect the air ducts of the respective size to the fan and fix them with clamps.
1 23
4
5
6
7
8

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CONNECTION TO POWER MAINS
ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED
AND WILL VOID THE WARRANTY.
DISCONNECT THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT.
CONNECTION OF THE UNIT TO POWER MAINS IS ALLOWED BY A QUALIFIED
ELECTRICIAN WITH A WORK PERMIT FOR THE ELECTRIC UNITS UP TO 1000 V AFTER
CAREFUL READING OF THE PRESENT USER’S MANUAL.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE
MANUFACTURER’S LABEL.
The fan is designed for 120 V / 60 Hz (for the VKM 100...305 fans ) or 230 V / 60 Hz (for the VKM 355 Q, VKM 400, VKM 450 fans )single-phase
alternating current mains.
The fan shall be connected to power supply by means of insulated, durable and thermal-resistant cords (cables, wires) through the
external circuit breaker with a thermal-magnetic trip built into the stationary wiring to disconnect all the power mains phases. The rated
current must be not below the rated current consumption (refer to the «Technical data» section). The QF external switch location must
ensure free access for quick shutdown of the fan.
The recommended rated current of the circuit breaker:
• 2 A for the VKM 355 Q fans
• 3.15 A for the VKM 400, VKM 450 fans
• 1 A for all other fans
The recommended wire cross section is minimum AWG 19.
The actual conductor cross-section selection must be based on its type, maximum permissible heating, insulation, length and installation
method (in the air, pipes or inside walls). Connect the cables to the terminal block incorporated inside the terminal box located on the
fan casing in compliance with the fan wiring diagram and the terminal designation. The terminal designations are shown on the sticker
inside the fan casing.
The wiring diagram:
~ 230 V
60 Hz
~ 230 V
60 Hz
~ 120 V
60 Hz
For the VKM 400, VKM 450 fans For the VKM 355 Q For the other fans
The TW1, TW2 terminals are the electrical leads of the normally closed contact of the motor overheating protection.
The QF circuit breaker is not included in the delivery and must be installed by the user.

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TECHNICAL MAINTENANCE
DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE
ANY MAINTENANCE OPERATIONS!
The technical maintenance includes periodic cleaning of the surfaces from accumulated dust and dirt. Use a soft dry brush or a vacuum
cleaner to remove dust.
The impeller blades require thorough cleaning once in 6 months.
To do this, unscrew the self-tapping screws 3 and remove the cover 2 (Fig. 1).
Clean the impeller blades with a soft cloth wetted in mild water detergent solution. Avoid liquid dripping on the motor.
POSSIBLE MALFUNCTIONS AND TROUBLESHOOTING
PROBLEM POSSIBLE REASONS TROUBLESHOOTING
When switching on the unit the
fan does not start.
No power supply. Check the electrical connections and the power switch status.
Motor jamming. Turn off the fan. Troubleshoot the impeller jamming. Restart the
fan.
Circuit breaker tripping during the
fan start.
The automatic circuit breaker is
triggered by an abnormally high current
consumption due to a short circuit.
Disconnect the fan from power mains and contact the Seller.
Do not turn on the fan again!
Low air flow.
Clogging of air ducts or other ventilation
system elements. Impeller clogging.
Damaged air ducts. Air damper closure.
Clean the air ducts and other ventilation system elements as
well as the impeller. Check the air ducts for damage. Make sure
the air dampers and louvre shutters are open.
STORAGE AND TRANSPORTATION REGULATIONS
• Store the unit in the manufacturer’s original packaging box in a dry closed ventilated premise with temperature range
from +41 ˚F up to +104 ˚F 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
Production meets standard operating requirements in the USA and Canada.
Vents US warrants to the original purchaser of the unit that it will be free from defects in materials or workmanship for a period of
24 months from the date of original purchase. The Vents US warrants to the original purchaser of the unit that the integrated control unit
will be free from defects in materials and workmanship for a period of 24 months from the date of original purchase.
THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During the stated warranty period, Vents US will, at its option, repair or replace, without charge, any product or part which is found to be
defective under normal use and service. This warranty does not cover (a) normal maintenance and normal service or (b) any products
or parts which have been subject to misuse, negligence, accident, improper maintenance or repair (other than by Vents US), faulty
installation or installation contrary to recommended installation instructions. Labor to remove and replace products is not covered. The
duration of any implied warranty is limited to the time period specified for the express warranty. Some states do not allow limitations on
how long an implied warranty lasts, so the above limitation may not apply to you.
VENTS US OBLIGATION TO REPAIR OR REPLACE, AT VENTS US OPTION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE
REMEDY UNDER THIS WARRANTY. VENTS US SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL
DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE.
Some states do not allow the exclusion or limitations of incidental or consequential damages, so the above limitation or exclusion may
not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. This
warranty supersedes all prior warranties. If proof of sales date is absent, warranty period is calculated from the production date. The unit
can be exchanged at the following address:
Vents-US
400 Murray Road, Cincinnati, OH 45217, USA
Tel: [phone], Fax: [phone]
E-mail: [e-mail]
www.vents-us.com
Please follow guidelines in this manual for product problem-free operation.
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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CERTIFICATE OF ACCEPTANCE
Unit Type Centrifugal inline fan
Model VKM_______________
Serial Number
Manufacture Date
Quality Inspector’s
Stamp
SELLER INFORMATION
Seller
Seller’s Stamp
Address
Phone Number
E-mail
Purchase Date
This is to certify acceptance of the complete unit delivery with the user’s manual. The warranty terms are
acknowledged and accepted.
Customer’s Signature
INSTALLATION CERTIFICATE
The VKM_______________ unit is installed pursuant to the requirements stated in the present user's
manual.
Installation Stamp
Company name
Address
Phone Number
Installation
Technician’s Full Name
Installation Date: Signature:
The unit has been installed in accordance with the provisions of all the applicable local and national construction,
electrical and technical codes and standards. The unit operates normally as intended by the manufacturer.
Signature:
WARRANTY CARD
Unit Type Centrifugal inline fan
Seller’s Stamp
Model VKM_______________
Serial Number
Manufacture Date
Purchase Date
Warranty Period
Seller

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