Vents VKV User manual

USER’S MANUAL
VKV
VKH
Centrifugal roof fan

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VKV/VKH
www.ventilation-system.com
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 VKV/VKH 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
Mounting and set-up.................................................................................................................................................................. 8
Connection to power mains .................................................................................................................................................. 10
Commissioning............................................................................................................................................................................... 14
Technical maintenance.............................................................................................................................................................. 15
Storage and transportation regulations.......................................................................................................................... 18
Manufacturer’s warranty........................................................................................................................................................... 19
Certificate of acceptance.......................................................................................................................................................... 23
Seller information.......................................................................................................................................................................... 23
Installation certificate.................................................................................................................................................................. 23
Warranty card................................................................................................................................................................................... 23
SAFETY REQUIREMENTS
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.
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.
Transported air must not contain any dust or other solid impurities, 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.

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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.
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.
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent, or
similarly qualified persons in order to avoid a safety hazard.
Ensure that the unit is switched off from the supply mains before removing the guard.
WARNING: If there are any unusual oscillating movements, immediately stop using the unit and
contact the manufacturer, its service agent or suitably qualified persons.
The replacement of parts of the safety suspension system device shall be performed by the
manufacturer, its service agent or suitably qualified persons.
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.
The manufacturer, designer, installer and operator are responsible for the correct operation and
functioning of the unit.
THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS
SERVICE LIFE.
DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE
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.
Children shall not play with the appliance.

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VKV/VKH
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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.
NAME NUMBER
Fan 1 pc.
User’s manual 1 pc.
Packing box 1 pc.
The VKV/VKH roof fans in metal casing are designed for ventilation systems in industrial premises as well as pools, apartment buildings,
offices, hospitals, restaurants and other premises heated during the winter season.
The fan is mounted on the exhaust shaft of the air duct and is used only for exhaust ventilation.
Designation example: VKV z X X 310 S1
Centrifugal roof fan
VKV — with vertical air discharge
VKH — with horizontal air discharge
Casing material
z — galvanized steel
_ — polymer-coated steel
A — aluminium
Number of motor poles
2, 4, 6
E — single-phase
D — three-phase
Turbine standard size [mm]
Options
S1 — built-in external switch
PURPOSE
DELIVERY SET
DESIGNATION KEY

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The unit is rated as a Class I electrical appliance.
VKHVKV
TECHNICAL DATA
D*
H
L
A
d
B
C
M
H
H1
C
B
d
M
D*
A
∅D* – flange connection dimensions.

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VKV/VKH
www.ventilation-system.com
Model
Overall and connecting dimensions [mm] Weight
[kg]
H [mm] A [mm] B [mm] C [mm] D [mm] d [mm]
(4 holes)
M [mm]
(6 places) L [mm]
VKV 2E 190 170 417 355 245 213 9 M6 480 7
VKV 2E 220 190 417 355 245 213 9 M6 480 7
VKV 2E 225 215 417 355 245 210 9 M6 480 7
VKV 4E 225 215 417 355 245 210 9 M6 480 7
VKV 2E 250 240 481 425 330 285 11 M6 540 9
VKV 4E 250 240 481 425 330 285 11 M6 540 9
VKV 4E 280 276 547 425 330 291 11 M6 600 13
VKV 2E 310 276 547 425 330 285 11 M6 600 13
VKV 4E 310 300 613 477 330 285 11 M6 670 20
VKV 4D 310 300 613 477 750 285 11 M6 670 19
VKV 4E 355 330 738 598 450 438 11 M8 790 26
VKV 4D 355 330 738 598 450 438 11 M8 790 26
VKV 4E 400 375 738 598 450 438 11 M8 790 33
VKV 6E 400 375 738 598 450 438 11 M8 790 31
VKV 4D 400 375 738 598 450 438 11 M8 790 33
VKV 4E 450 430 738 668 535 438 11 M8 790 41
VKV 6E 450 430 738 668 535 438 11 M8 790 41
VKV 4D 450 425 738 668 535 438 11 M8 790 41
VKV 6E 500 460 859 668 535 445 11 M8 910 52
VKV 4D 500 460 859 668 535 430 11 M8 910 52
VKV 6D 500 460 859 668 535 445 11 M8 910 52
VKV 6E 560 485 859 833 750 605 11 M8 910 63
VKV 4D 560 485 859 833 750 605 11 M8 910 63
VKV 6D 560 485 859 833 750 605 11 M8 910 63
VKV 6D 630 485 951 939 750 600 20 M8 1000 81
VKV 6D 710 485 992 980 840 674 20 M8 1040 114
Model
Overall and connecting dimensions [mm] Weight
[kg]
H [mm] H1 [mm] A [mm] B [mm] C [mm] D [mm] d [mm]
(4 holes)
M [mm]
(6 places)
VKH 2E 190 189 195 351 350 245 213 11 M6 8
VKH 2E 220 180 186 337 338 245 213 11 M6 8
VKH 2E 225 210 217 351 350 245 210 11 M6 9
VKH 4E 225 233 240 351 350 245 210 11 M6 9
VKH 2E 250 237 244 451 450 330 285 11 M6 12.7
VKH 4E 250 237 244 451 450 330 285 11 M6 12.1
VKH 4E 280 265 272 451 450 330 291 11 M6 13.5
VKH 2E 310 251 258 451 450 330 291 11 M6 13.2
VKH 4E 310 287 294 451 450 330 285 11 M6 14.2
VKH 4D 310 287 294 451 450 330 285 11 M6 14.2
VKH 4E 355 322 361 625 620 450 438 11 M8 28.3
VKH 4D 355 347 386 625 620 450 438 11 M8 30.3
VKH 4E 400 376 415 625 620 450 438 11 M8 35
VKH 6E 400 376 415 625 620 450 438 11 M8 32.7
VKH 4D 400 376 415 625 620 450 438 11 M8 35
VKH 4E 450 420 459 710 700 535 438 11 M8 46.6
VKH 6E 450 420 459 710 700 535 438 11 M8 45.6
VKH 4D 450 420 459 710 700 535 438 11 M8 45.5
VKH 6E 500 461 501 710 700 535 445 11 M8 52.8
VKH 4D 500 490 530 710 700 535 430 11 M8 46.6
VKH 6D 500 461 501 710 700 535 445 11 M8 52.7
VKH 6E 560 489 528 900 895 750 605 11 M8 76.4
VKH 4D 560 489 528 900 895 750 605 11 M8 81.4
VKH 6D 560 489 528 900 895 750 605 11 M8 76.4
VKH 6D 630 520 560 1000 990 750 600 20 M8 96.3
VKH 6D 710 570 619 1060 1050 840 674 20 M8 134

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VKV/VKH
2E 190
VKV/VKH
2E 220
VKV/VKH
2E 225
VKV/VKH
4E 225
VKV/VKH
2E 250
VKV/VKH
4E 250
Voltage [V] 1~ 230 1~ 230 1~ 230 1~ 230 1~ 230 1~ 230
Frequency [Hz] 50 60 50 60 50 60 50 50 60 50
Power [W] 69 89 108 118 123 169 49 184 232 48
Current [A] 0.30 0.40 0.49 0.54 0.54 0.70 0.22 0.81 0.90 0.23
Max. air flow [m³/h] 610 654 880 883 915 1010 738 1450 1320 820
RPM [min-1]2680 2980 2580 2840 2790 2820 1400 2480 2320 1440
Sound pressure level at 3 m distance [dBA] 48 49 50 51 51 52 45 54 53 46
Transported air temperature [°C] -25...+50
SEC class* C - C - C - C - - -
Ingress protection rating IPX4
VKV/VKH
4E 280
VKV/VKH
2E 310
VKV/VKH
4E 310
VKV/VKH
4D 310
VKV/VKH
4E 355
VKV/VKH
4D 355
Voltage [V] 1~ 230 1~ 230 1~ 230 3~ 400 1~ 230 3~ 400
Frequency [Hz] 50 60 50 50 60 50 60 50 60 50 60
Power [W] 125 155 324 141 195 155 202 219 304 264 330
Current [A] 0.61 0.99 1.42 0.64 0.87 0.29 0.32 0.96 1.33 0.58 0.64
Max. air flow [m³/h] 1490 1520 2150 2265 2425 2300 2442 2480 2976 3290 3540
RPM [min-1]1446 1710 2620 1420 1740 1410 1550 1420 1580 1430 1650
Sound pressure level at 3 m distance [dBA] 46 46 58 47 49 47 48 51 52 52 53
Transported air temperature [°C] -25...+50 -30...+60
Ingress protection rating IPX4
VKV/VKH
4E 400
VKV/VKH
6E 400
VKV/VKH
4D 400
VKV/VKH
4E 450
VKV/VKH
6E 450
VKV/VKH
4D 450
VKV/VKH
4D 500
Voltage [V] 1~ 230 1~ 230 3~400 1~ 230 1~ 230 3~400 3~400
Frequency [Hz] 50 50 60 50 50 50 50 50
Power [W] 457 184 249 420 749 268 755 1527
Current [A] 2.00 0.89 1.10 0.99 3.35 1.25 1.50 2.64
Max. air flow [m³/h] 3950 2740 3289 3950 6180 4380 5920 8435
RPM [min-1]1440 945 1071 1440 1400 940 1440 1460
Sound pressure level at 3 m distance [dBA] 55 47 49 55 58 50 57 62
Transported air temperature [°C] -30...+60 -30...+50
Ingress protection rating IPX4
VKV/VKH
6E 500
VKV/VKH
6D 500
VKV/VKH
4D 560
VKV/VKH
6E 560
VKV/VKH
6D 560
VKV/VKH
6D 630
VKV/VKH
6D 710
Voltage [V] 1~230 3~400 3~400 1~230 3~400 3~400 3~400
Frequency [Hz] 50 60 50 60 50 50 50 50 50
Power [W] 407 673 440 599 1970 613 696 1110 2583
Current [A] 1.81 3.05 1.23 1.32 3.36 2.70 1.44 2.42 4.87
Max. air flow [m³/h] 5680 6532 6000 6122 13560 9560 9630 12640 17010
RPM [min-1] 970 1120 978 1125 1400 930 970 957 945
Sound pressure level at 3 m distance [dBA] 52 54 52 54 66 58 58 64 67
Transported air temperature [°C] -25...+60 -25...+50 -25...+70
Ingress protection rating IPX4

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VKV/VKH
www.ventilation-system.com
WHILE INSTALLING THE UNIT ENSURE CONVENIENT ACCESS FOR SUBSEQUENT
MAINTENANCE AND REPAIR.
BEFORE MOUNTING MAKE SURE THE CASING DOES NOT CONTAIN ANY FOREIGN
OBJECTS E.G. FOIL, PAPER.
MOUNTING AND SETUP
• Fans are designed for horizontal mounting on a flat roof directly above an air duct or a ventilation shaft.
• In order to avoid ingress of water and snow into the ventilation duct, it is possible to install a fan on the mounting frame.
• The fan is connected to the ventilation duct by means of a counter flange, which is attached directly to the fan base.
• The fan base has holes for fixing bolts that attach the fan to a stationary even surface or to a mounting frame.
• In the VKV 2E 200, VKV 2E 225, VKV 4E 225, VKV 4E 310, VKV 4D 310, VKV/VKH 6E 500, VKV/VKH 4D 500, VKV/VKH 6D 500, VKV/VKH 6D
630, VKV/VKH 6D 710 models the counter flange is attached together with the fan inlet ring.
• A mounting frame, a counter flange and mounting bolts are not included in the delivery set and must be purchased separately.
VKV
VKH
OPERATION OF FANS WITHOUT A CONNECTED AIR DUCT SYSTEM IS IMPROPER

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1 – roof fan; 2 – GKV flexible insert; 3 – KKV backdraft damper; 4 – FKV counter flange; 5 – RKV or RKVI mounting frame; 6 – air duct.
INSTALLATION CHART
INSTALLATION EXAMPLES
Roof fan base
Insulation
Roof design
FKV counter flange
KKV backdraft damper
GKV flexible insert
Air duct
3
5
4
6
2
4
5
6
3
2
5
4
6
1 1

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VKV/VKH
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• The unit is rated for connection to power mains with the parameters specified in the "Technical data”section, according to the wiring
diagram.
• The connection must be made using insulated conductors (cables, wires). The actual wire cross section selection must be based
on the maximum load current, maximum conductor temperature depending on the wire type, insulation, length and installation
method.
• The unit should be connected to the fixed wiring system in compliance with current regulations.
Connection to power mains should be made inside the terminal box located on the fan casing, according to the wiring diagram and
terminal designation. The terminal designations are shown on the label inside the terminal box. Fan electrical data is shown on the
label on the fan casing.
Depending on modication, the fan motors can have no built-in thermal protection. This should be taken into account when
choosing a motor starter or a contactor.
ACCESS TO THE TERMINAL BLOCK VKV
ACCESS TO THE TERMINAL BLOCK VKH
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.
CONNECTION TO POWER MAINS
ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED
AND WILL VOID THE WARRANTY.