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USER’S MANUAL
KSK
Centrifugal fan in sound insulated casing
KSK
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 KSK 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.
The information in this user’s manual is 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.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means in any information search system or translated into any language in any form without the prior written permission of the Company.
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.
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• Do not change the power cable length at your own discretion. Do not bend the power cable. Avoid damaging the power cable. Do not put any foreign objects on the power cable.
• Do not use damaged equipment or cables when connecting the unit to power mains.
• Do not touch the unit controls with wet hands. Do not carry out the installation and maintenance operations with wet hands.
• Do not allow children to operate the unit.
• Do not store any explosive or highly flammable substances in close proximity to the unit.
• Do not open the unit during operation.
• Do not block the air duct when the unit is switched on.
• Do not sit on the unit and avoid placing foreign objects on it.
• Do not lay the power cable of the unit in close proximity to heating equipment.
• 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 wash the unit with water. Protect the electric parts of the unit against ingress of water.
• Disconnect the unit from power mains prior to any technical maintenance.
• When the unit generates unusual sounds, odour, or emits smoke, disconnect it from power supply and contact the Seller.
• Do not direct the air flow produced by the unit towards open flame or ignition sources.
• In case of continuous operation of the unit, periodically check the security of mounting.
• 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 MUNICIPAL WASTE.
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KSK
PURPOSE
The centrifugal fan in a sound insulated casing is designed for supply and exhaust ventilation of domestic, public and industrial premises with high requirements to the noise level and with limited space for mounting.
The unit is rated for continuous operation.
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 UNAUTHORIZED
ACCESS BY UNATTENDED CHILDREN.
The unit is a component part and is not designed for stand-alone operation.
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).
DELIVERY SET
NAME
Fan
User’s manual
Packing box
DESIGNATION KEY
NUMBER
1 pc.
1 pc.
1 pc.
Designation example: KSK 160 4 E
Fan name
KSK – centrifugal fan in sound insulated casing
Outlet duct diameter [mm]
Pole number
Power mains specifications:
E – single phase
D – three-phase
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TECHNICAL DATA
The fan is intended for exhaust ventilation of premises with the temperatures from -20 °C up to +120 °C.
The unit is rated as a Class I electrical appliance.
• Hazardous parts access and water ingress protection rating is IP54.
• The motor insulation is class F.
The unit design is constantly being improved, thus some models may be slightly different from those described in this manual.
Overall and connecting dimensions
Model
Ø D В В1 Н Н1
Dimensions [mm]
L L1 L2 L3 L4 L5 L6 L7
KSK 150 4E 150 410 330 540 365 525 500 470 475 205 203 233 33
KSK 150 4D 150 410 330 540 365 525 500 470 475 205 203 233 33
KSK 160 4E
KSK 160 4D
160
160
410
410
330
330
540
540
365
365
525
525
500
500
470
470
475
475
205
205
203
203
233
233
33
33
KSK 200 4E 200 485 365 600 425
KSK 200 4D 200 485 365 600 425
625
625
600
600
570
570
515
515
235
235
236.5 276.5
236.5 276.5
33
33
KSK 250 4E 250 575 435 665 505 700 675 645 620 285 282.5 330.5
33
KSK 250 4D 250 575 435 665 505 700 675 645 620 285 282.5 330.5
33
KSK 315 4E 315 690 550 708 600 715 700 650 612 327 329 390 59
KSK 315 4D 315 690 550 708 600 715 700 650 612 327 329 390 59
KSK 315 2E 315 690 550 708 600 715 700 650 672 327 329 390 59
KSK 315 2D 315 690 550 708 600 715 700 650 672 327 329 390 59
KSK 355 4E
KSK 355 4D
355
355
740
740
600
600
764
764
655
655
727
727
700
700
650
650
637
637
352
352
361.5
361.5
421
421
59
59
KSK 355 2E
KSK 355 2D
KSK 400 4Е
KSK 400 4D
KSK 400 6Е
KSK 400 6D
KSK 450 4D
KSK 450 4D
KSK 450 6D
KSK 450 6D
355
355
400
400
400
400
450
450
450
450
740
740
906
906
906
906
996
996
996
996
600
600
700
700
700
700
750
750
750
750
764
764
900
900
900
900
980
980
980
980
655
655
790
790
790
790
870
870
870
870
727
727
908
908
908
908
925
925
925
925
700
700
900
900
900
900
900
900
900
900
650
650
850
850
850
850
850
850
850
850
737
737
747
747
687
687
782
782
739
739
352
352
402
402
402
402
437
437
437
437
361.5
361.5
435
435
435
435
485
485
485
485
421
421
505
505
505
505
560
560
560
560
59
59
59
59
59
59
59
59
59
59
Weigh
[kg]
53.0
52.0
61.0
60.0
60.0
59.0
68.0
65.0
25.0
25.0
40.0
40.0
17.0
17.0
17.0
17.0
109
109
105
105
92
92
87
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KSK
Main technical parameters
Voltage [V/Hz]
Power [W]
Current [A]
Max. air flow [m3/h]
RPM [min¯¹]
Sound pressure level at a distance of 3 m [dBA]
Transported air temperature [°C]
Ingress protection rating
KSK 150 4E
KSK 160 4E
230/50
180
1.7
700
1450
41
KSK 1504D
KSK 1604D
400/50
180
0.6
730
1455
41
KSK 200 4E KSK 200 4D KSK 250 4E KSK 250 4D
230/50
550
3
1600
1475
400/50
750
2
1650
1465
230/50
1500
11
3400
1500
400/50
1500
3.4
3500
1470
45 45 51 51
-20 ... +120
IP54
Voltage [V/Hz]
Power [W]
Current [A]
Max. air flow [m3/h]
RPM [min¯¹]
Sound pressure level at a distance of 3 m
[dBA]
Transported air temperature [°C]
Ingress protection rating
KSK 315 4D KSK 315 4E KSK 315 2D KSK 315 2E
400/50 400/60 230/50 230/60 400/50 400/60 230/50 230/60
184
0.70
206
0.70
304
1.84
383
1.72
1225
2.80
2011
3.40
1531
7.35
2816
11.92
2040
1488
2355
1776
1970
1475
2310
1750
4710
3025
5290
3328
4695
3125
5345
3384
46 48 46 54 53 55 47 52
-20 ... +120
IP54
Voltage [V/Hz]
Power [W]
Current [A]
Max. air flow [m3/h]
RPM [min¯¹]
Sound pressure level at a distance of 3 m
[dBA]
Transported air temperature [°C]
Ingress protection rating
KSK 355 4D KSK 355 4E
400/50 400/60 230/50 230/60
405
0.87
3155
580
1.25
3270
393
2.11
3545
525
2.34
3860
1379 1578 1517 1705
49 50 50 52
-20 ... +120
IP54
KSK 355 2D
400/50
3145
6.12
6185
2652
54
KSK 355 2D
230/50
2621
12.66
6570
2890
54
Voltage [V/Hz]
Power [W]
Current [A]
Max. air flow [m3/h]
RPM [min¯¹]
Sound pressure level at a distance of 3 m
[dBA]
Transported air temperature [°C]
Ingress protection rating
KSK 400 4E
230/50
1048
5,00
5392
1440
54
KSK 400 4D
400/50
785
2,25
5098
1470
53
-20 ... +120
IP54
KSK 400 6E
230/50
362
1,71
2915
930
48
KSK 400 6D
400/50
357
0,92
2966
948
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Voltage [V/Hz]
Power [W]
Current [A]
Max. air flow [m3/h]
RPM [min¯¹]
Sound pressure level at a distance of 3 m
[dBA]
Transported air temperature [°C]
Ingress protection rating
KSK 450 4E
230/50
1570
7,25
8138
1470
57
KSK 450 4D
400/50
1350
2,81
7840
1450
56
-20 ... +120
IP54
KSK 450 6E
230/50
594
2,85
5299
970
50
KSK 450 6D
400/50
454
1,33
4991
920
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DESIGN AND OPERATING PRINCIPLE
The fan casing is made of galvanized steel soundproof on the inside with 50 mm thick mineral wool.
The pivot design of the fold out motor-impeller unit ensures easy access to the fan internals for quick and efficient cleaning.
The inlet and outlet spigot diameters match standard duct sizes.
The spigots have rubber seals.
The fan is mounted on RN-KSK load-bearing frames with integral vibration dampers and mounting brackets KM-
KSK (purchased separately).
The fan benefits from a steel high-performance centrifugal impeller.
The impeller is mounted on the electric motor shaft and is jointly balanced statically and dynamically.
The high-performance single-phase or three-phase electric motor with a squirrel-cage rotor is completely maintenance-free.
The power is adjusted by means of transformer control units.
The fan is connected to power mains via the terminal box mounted on the electric motor.
Provide an additional electric cable length to ensure unobstructed opening of the fold out motor-impeller unit.
Spigot Casing
Impeller
Load-bearing frame Vibration damper
Electric motor
Terminal box www.ventilation-system.com
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KSK
INSTALLATION AND SET-UP
READ THE USER'S MANUAL BEFORE INSTALLING THE UNIT
WHILE INSTALLING THE UNIT ENSURE CONVENIENT ACCESS FOR SUBSEQUENT
MAINTENANCE AND REPAIR.
THE UNIT MUST BE MOUNTED ON A PLANE SURFACE.
MOUNTING OF THE UNIT TO AN UNEVEN SURFACE CAN LEAD TO THE UNIT CASING
DISTORTION AND OPERATION DISTURBANCE.
• Disconnect the unit from power supply prior to any connection, servicing and repair operations.
• Prior to installing the fan make sure the casing has no visible damages and check the integrity of power supply wires. The fan casing must not contain any foreign objects which can damage the impeller blades. Make sure the impeller rotates freely without touching the flange and the casing. The fan shall be installed in the air duct with the same diameter.
• Mount the fan in such a way that the arrow on the fan casing matches the air flow direction in the system.
• Install flexible connectors on both sides of the fan (purchased separately).
• Ensure a direct air duct section of at least one air duct diameter long on the inlet side and at least three air duct diameters long on the outlet side.
• The fan is not a ready to use unit and requires connection to the air ducts.
• Install the fan securely while ensuring free access for maintenance operations.
• When mounting the fan outdoors, protect it against weather impact and water ingress, for example, by mounting a hood over the fan.
• Take steps to prevent back flow of gases from devices using gas and open flames.
Mounting sequence:
1. Install the fan on the load-bearing frame (for models delivered unassembled).
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2. Make the markings (distances are shown in the table) and drill holes in the wall for the duct and for mounting the brackets.
ØD
The hole for the air duct Ø D, the gaps between the wall and the duct must be filled with mounting foam
B2
4 holes for fixing the mounting brackets
B1
3. Install the mounting brackets (purchased separately).
Model
KSK 150...
KSK 160...
KSK 200...
KSK 250...
KSK 315...
KSK 355...
KSK 400...
KSK 450...
H2
Distances for marking [mm]
B1 B2 H3
170 330 193 276
170
220
270
300
330
365
435
550
193
216.5
260.5
320
276
309.5
355.5
448
300
350
350
600
700
750
350.5
410
445
481
555
605
4. Mount the fan on the mounting brackets.
5. Connect the nipple or flexible anti-vibration connector 6. Install the air duct (purchased separately).
(purchased separately) to the fan spigot.
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KSK
CONNECTION TO POWER MAINS
DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY OPERATIONS.
THE UNIT MUST BE CONNECTED TO POWER MAINS BY A QUALIFIED ELECTRICIAN.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE SHOWN
ON THE RATING PLATE.
• The unit is rated for connection to to 1~230 V/50 (60) Hz or 3~400 V/50 Hz power mains.
• The unit must be connected to power mains using insulated electric 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 external power input must be equipped with an automatic circuit breaker built into the stationary wiring to open the electric circuit in case of overload or short-circuit. The circuit breaker installation place must provide quick access for emergency shutdown of the unit.
The trip current of the automatic circuit breaker QF must exceed the maximum current consumption of the unit (refer to the technical data table). The recommended trip current of the circuit breaker is the next current in the standard trip current row following the maximum current of the connected unit. The automatic circuit breaker is not included in the delivery set.
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The recommended circuit breaker nominal current and conductor cross section
Model
KSK 150 4E
KSK 150 4D
KSK 160 4E
KSK 160 4D
KSK 200 4E
KSK 200 4D
KSK 250 4E
KSK 250 4D
KSK 315 4E
KSK 315 4D
KSK 315 2E
KSK 315 2D
KSK 355 4E
KSK 355 4D
KSK 355 2E
KSK 355 2D
KSK 400 4E
KSK 400 4D
KSK 400 6Е
KSK 400 6D
KSK 450 4Е
KSK 450 4D
KSK 450 6Е
KSK 450 6D
Rated current of the circuit breaker [A]
2
1
2
1
8
3.15
12.5
4
3
1
16
5
4
2
16
8
8
3,15
2
3,15
10
4
4
2
Recommended cable, n x S, where n is the number of wires, and S is the cross section in mm 2
2х1.5
3х1.5
2х1.5
3х1.5
2х1.5
3х1.5
2х1.5
3х1.5
2x1.5
3x1.5
2x2.5
3x1.5
2x1.5
3x1.5
2x2.5
3x1.5
2x1,5
3x1,5
2x1,5
3x1,5
2x1,5
3x1,5
2x1,5
3x1,5 www.ventilation-system.com
The fan connections shall be made in the terminal box mounted on the fan casing as shown in the wiring diagram.
The wiring diagram sticker is located inside the motor terminal box.
CAUTION!
Make sure that the fan impeller wheel rotates in the direction of the arrow applied to the fan casing.
Air flow direction
Impeller rotation direction
Access to the terminal box
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KSK
TECHNICAL MAINTENANCE
DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE
ANY MAINTENANCE OPERATIONS!
Check the following conditions during the unit maintenance:
• Cut off power supply to the fan.
• Clean the fan casing from outside with a soft cloth dampened with water.
• Open the fold out motor-impeller unit.
• Wash the impeller blades carefully with a soft cloth or a brush dampened with water and mild detergent solution. Remove dust from soundproof surface using a vacuum cleaner.
• Check screw connections as well as rivet and welded joints.
• Check tightness of ground screw clamps and electric connections.
• Check wire terminal connections.
Avoid penetration of water onto the electric parts and the motor.
Wipe the unit surfaces dry after cleaning.
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PROBLEM
The fan does not start.
Low air flow.
Noise, vibration.
TROUBLESHOOTING
POSSIBLE REASONS
No power supply.
The ventilation system is soiled or damaged.
The fan impeller is soiled.
The screw connection is loose.
TROUBLESHOOTING
Make sure that the unit is properly connected to the power mains and make any corrections, if necessary.
Make sure the air ducts are clean and intact. Clean them if necessary.
Clean the impellers.
Tighten the fastening screws.
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 vapours 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 room temperature for at least 3-4 hours.
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KSK
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 Council Directive 2014/30/EU, Low Voltage Directive 2014/35/
EU and CE-marking 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 24 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.
• 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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Unit Type
Model
Serial Number
Manufacture Date
Quality Inspector’s
Stamp
CERTIFICATE OF ACCEPTANCE
Centrifugal fan in sound insulated casing
KSK
SELLER INFORMATION
Seller
Address
Phone Number
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
Seller’s Stamp
INSTALLATION CERTIFICATE
The KSK unit has been connected to power mains pursuant to the requirements stated in the present user’s manual.
Seller
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:
Installation Company Stamp
WARRANTY CARD
Unit Type
Model
Serial Number
Manufacture Date
Purchase Date
Warranty Period
Seller
Centrifugal fan in sound insulated casing
KSK
Seller’s Stamp www.ventilation-system.com
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V72EN-06
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