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TECNOPLAST ITALY Srl  Pag.8 

TROUBLESHOOTING 

 

NO SUCTION 

 

CAUSE 

SOLUTION 

 

 

Fan turned-off 

Check the connection and turn-on the fan 

Inlet obstructed 

Remove the obstacle 

Outlet obstructed 

Remove the obstacle 

Electrical 

protection 

or 

thermal-switch 

intervention 

Verify  the  electrical  connection  and  re-arm 
the protection 

 

INSUFFICIENT SUCTION 

 

CAUSE 

SOLUTION 

 

 

Inlet partially obstructed 

Remove the obstacle 

Outlet partially obstructed 

Remove the obstacle 

Wrong rotation of the 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  substitute  the 
bearings 

Wrong thermal-switch setup 

Call  an  electrical  technician  to  reset  the 
thermal-switch setup 

Differential switch turns of 

Verify  the  electrical  connection  and  re-arm 
the protection 

No current on service socket 

Verify the fuses and substitute if damaged 

 

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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