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TECNOPLAST ITALY Srl  Pag.5 

DESIGN USE  

 

The centrifugal fans series VL are designed and manufactured to extract air from any kind of 
industrial environment. 
Their use is necessary where an exhausting system is required, particularly when corrosive 
or aggressive substances are present, because the construction materials of the components 
in contact with the fluids are PP (polypropylene), a material that is resistant to a wide range 
of chemicals or compounds. 

 

The maximum operative temperature 

cannot

 be over 

70º C

 for. 

It is not recommended to use this kind of fans with solvents or with higher temperatures. 
Ask  however  to  TECNOPLAST  Italy  in  case  of  variations  of  the  operative  conditions  than 
discussed during offer and order to check the effective reliability of the equipment 
After  installation,  the  device  working  is  automatic,  thanks  to  remote  connection  with 
switches and doesn’t need intervention, with the exception for ordinary and extraordinary 
maintenance operations explained later in the manual. (page 12) 

 

The electric installation must 

obligatorily

 include the standard protection for the motor. 

It  is  recommended  to  use  protection  grills  or  nets  on  the  suction  points,  to  avoid  the 
entrance of external bodies as rags or other objects that can cause damage the fan when in 
contact with the moving impeller. 
The installation of the fans with solutions and fittings parts different to what indicated, raise 
the manufacturer from any responsibility about their inefficiency in case of damaging events 
as  meteorological  (rainstorms,  hail,  wind,  etc…)  and  should  be  verified  and  evaluated  by 
expert installers. 
 
The  fan  is  not  suitable  for  the  transport  of  solids  in the  air  flow. This  operating  mode  will 
lead to the destruction of the fan. 
 
The ducts on the intake and delivery sides must always be open. A closed duct will lead to a 
rise in temperature which could cause the destruction of the fan. 
 
The minimum air speed through the fan is 5 meters per second. 
 
DUE  TO  THE  SPCIFICAL  USE  OF  THE  DEVICES  PUT  ON  THE  MARKET,  ANY  DIFFERENT  USE 
THAN  DISCUSSED  DURING  OFFER  AND  ORDER  PHASES  –  IF  NOT  AUTHORIZED  OR 
SUGGESTED EXPRESSIVELY BY THE MANUFACTURER – IS CONSIDERED UNPROPER AND RAISE 
THE COMPANY TECNOPLAST Italy Srl

 

BY ANY OBLIGATION OF ASSISTANCE, OTHER THAN THE 

RESPONSIBILITY FOR THE CONNECTED RISKS. 
 
 

TECHNICAL DESCRIPTION 

 

1.

 

BASE FRAME in painted carbon steel with epoxy lining and belt stretcher 

2.

 

BOLTS for motor fixing on base frame, in stainless steel 

3.

 

ELECTRIC MOTOR three-phase series UNEL-MEC protection IP55, squirrel cage rotor, 
external cooling, class F, voltage V230/400 and frequency 50/60Hz, simple o double 
polarity. 

4.

 

NUTS for motor fixing on Casing Support Plate, stainless steel 

5.

 

CASING SUPPORT Plate, PP 

6.

 

Casing GASKET 

7.

 

IMPELLER centrifugal, backward blades, dynamically balanced, PP 

8.

 

FASTENER SCREW impeller on motor shaft 

9.

 

Ogive GASKET, in EPDM 

Summary of Contents for VL Series

Page 1: ...TECNOPLAST ITALY Srl Pag 1 CENTRIFUGAL FANS VL SERIES OPERATING MANUAL TECNOPLAST ITALY SRL VIA L MANARA 13 20814 LIMBIATE MB ITALY Tel 02 9961894 Fax 02 9961921 www tecnoplastonline it ...

Page 2: ...SHOOTING 8 NO SUCTION 8 INSUFFICIENT SUCTION 8 LOUDNESS 8 MOTOR HALT 8 STRUCTURES AND ACCESS 9 HANDLING AND LIFTING 9 MAINTENANCE 9 INFORMATION ON RESIDUE DANGERS AND EMERGENCY SITUATIONS 10 Stability 10 Risks due to surfaces angles and edges 10 Risks due to assembling errors 10 Fire risks 10 Fall risk 10 ASSEMBLING AND DISASSEMBLING 10 SPARE PARTS AND ORDER PROCEDURE 11 DEMOLITION 11 ...

Page 3: ...t any level owner responsible employed must manage of the machine produced and put on the market operation as handling installation set up use overseeing maintenance breakup etc The manual is intended to indicate the use of the machine foresee in project the technical characteristics supply instructions for transportation movement installation assembling tuning and use direct the maintenance sched...

Page 4: ...ts in the manufacturer s works Any further claims or the replacement of expandable items or of items subject to normal wear and tear are excluded We guarantee the availability of spare parts identical in construction to the original over a period of 1 year effective from the date of delivery Tecnoplast Italy Srl only guarantees the stability of materials under the condition that technological data...

Page 5: ...ation of the fans with solutions and fittings parts different to what indicated raise the manufacturer from any responsibility about their inefficiency in case of damaging events as meteorological rainstorms hail wind etc and should be verified and evaluated by expert installers The fan is not suitable for the transport of solids in the air flow This operating mode will lead to the destruction of ...

Page 6: ...tor and a differential switch to protect the operators in case of ground dispersion Near the fan will be installed a switch to be used during maintenance period Turning on the fan briefly check the rotation sense comparing it with the arrow on the fan In case of wrong rotation invert two phases When any work is done on the fan the electric drive is to be isolated from the electrical supply and it ...

Page 7: ... a leak proof and elastic manner all rotating parts are protected against unintentional contact the electrical connections are installed and their function tested a lockable main control switch is available to which the fan is connected the EMERGENCY STOP equipment is functionally tested the safety inspector has made sure that safety equipment exists the operating personnel is familiar with the op...

Page 8: ... impeller Invert two phases in the motor panel Piping breakage Repair the pipe damage call TECNOPLAST Italy Srl LOUDNESS CAUSE SOLUTION Impeller unbalanced Call TECNOPLAST Italy Srl Motor bearings used up Call TECNOPLAST Italy Srl or substitute the bearings MOTOR HALT CAUSE SOLUTION Electric motor short circuit Call TECNOPLAST Italy Srl Motor bearings blocked Call TECNOPLAST Italy Srl or substitut...

Page 9: ...es MAINTENANCE Centrifugal fans series VL are designed and realized to last in time in full efficiency without repetitive maintenance operations The construction materials guarantee the maximum resistance also in continuos working conditions and long exposition to atmosphere agents or unhealthy environments However it is recommended to check periodically with frequency due to environmental conditi...

Page 10: ...ual is thought to ease and make safer the assembling and start up operations It is recommended to read it carefully because malfunctioning breaks accidents can derive by their underestimation In case of doubt read again the interested parts or consult directly the TECNOPLAST Italy Srl technical personnel Fire risks The equipment is designed and produced to avoid any fire risk or overheating caused...

Page 11: ...verse order SPARE PARTS AND ORDER PROCEDURE The spare parts are listed in the fan exploded view To order them is necessary name the fan s serial number and year of supply over to the list of the needed components with their identification number Through the use of inappropriate materials the fan and or parts of it can be damaged or become non operable Please always use original spare parts and con...

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