Ръководство на потребителя - User Manual
Contents
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9. MAINTENANCE Rea
10. 4 16 SAFETY INSTRUCTIONS Certain particularly important pieces of information in this Manual may be preceded by one of the following symbols WARNING This symbol indicates risks that can cause personal injury WARNING This symbol indicates possible risks of personal injury due to Electrified components IMPORTANT This symbol indicates particularly
11. INTRODUCTION This manual contains instructions and warnings and constitutes the documentation that must be supplied and kept together with the product otherwise the product would be lacking in one of its fundamental safety requisites The manual must be kept with care and made available to all persons involved in operating the equipment The warnings are intended to ensure the safety o
12. 7 Star connections 7 Y 400 V 7 Fig 7 Star connection single speed motor 12 16 Ele
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14. 2 5 5 Fig 5 1 5 11 16 In
15. 10 16 Fig 4 TRANSPORTS AND INSTALLATION Lifting and handling the fan may create hazards for any persons in the vicinity It is therefore important to follow the indications given by Tangra AV and to use suitable equipment All installation and assembly work must be carried out only by specialized technicians Transport and lifting Therefore all operations involving the lifting and handling of the fan must be carried out with the utmost caution avoiding any knocks that could compromise the functionality or damage the fan components Use only the specific lifting points on the fan and ensure that the fan s weight is distributed evenly The user is responsible for the
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18. 2 0 7 16 Specific risks involved fan maintenance e During maintenance and cleaning of the fan rotor be particular careful of the rotor This can lead to parts of the body becoming trapped and seriously injured betwee
19. 6 16 Other risks related to fans The following is a list of specific hazards related to the fan s mechanical characteristics A person may receive injuries as a result of 1 Becoming caught up between a moving part and a stationary part for example between a fan turbine and the fan housing or any other stationary fan component 2 Suction of a part of the body into the fan and subsequent contact with the shaft or turbine 3 Contact with a moving part such as the turbine 4 An object becoming sucked into the intake of the fan and expelled at high speed from the outlet of the fan 5 Contact with surfaces of the fan at dangerous temperatures for example temperatures below 20 C or above 50 C 6 Hazards caused by the overspeed of a fan component which can lead to the breakage of parts of the machine 7 The aspiration of air at tempera
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21. 13 16 When starting for first time the following preliminary checks are necessary Check that all bolts are correctly tightened rotor supports foundation bolts Check that all rotating parts can turn freely Check that there are not foreign objects inside the fan Check that the fan turns in the correct direction power the motor for a brief moment to see if it turns in correct direction indicated by the arrow on the fan housing If necessary invert the direction of rotation see Electrical connections Checks to be carried out with the fan running e Check that the power absorption does not exceed the value indicated on the motor identification plate if it does stop the fan immediately and contact the manufacturer e The fan must run without excessive vibration and noise e Check with the fan at rest and at an outside air temperature of 20 C that the bearings do not exceed the maximum operating temperature maximum bearing temperature 70 C During the first few hours of operation it is normal for the bearings to reach slightly higher temperatures as long as they later stabilise at a lower value In the event of overheating of the bearings contact the Tangra AV technical assistance department After 3 4 o
22. 5 16 Never reason whatsoever disable remove modify or render inoperative in any other way any of the safety protective or control devices of any single component or of the fan itself Never place hands arms or any other part of the body near any moving part Never extend any part of the body past the limits of the safety barriers Do not use any means that will increase normal accessibility to the fan components Never use the fan in atmospheres where there is a risk of explosion Unauthorized operators must not attempt to rectify any malfunction of the fan and or modify the functional characteristics or and installation type After any unprogrammed maintenance operation that required the removal of shields barriers or any other protective device before restarting the fan ensure that all these components have been refitted and are fully functional All protective and safety devices must be kept in perfect working order at all times All indicative and warning plates fixed to the fan must also be kept in perfect condition at all times and must never be removed or moved from their original position When troubleshooting for the cause of any malfunction of the fan ensure that all precautions described in this manual have been taken to prevent personal injury and or damage to property
23. Head Office TANGRA AV Ltd 174 Evropa Blvd Sofia 1331 BG Tel 359 2 9250599 359 2 9250610 359 887 737375 Fax 359 2 9250557 e mail Office office tangra bg Marketing manager via tangra bg Technical information and offers tio tangra bg Technical design project tangra bg Office 39 P Yavorov Str Varna 9000 BG Tel 359 52 636221 Fax 359 52 611767 e mail varna tangra bg Office 65A K Velichkov Str Bourgas 8000 BG Tel Fax 359 56 834301 e mail bourgas tangra bg Company s offices Distributors Blagoevgrad Kurdzhali
24. 8 Checklist 1 1 2 absorbers 4 3 4 4 Manual 1 15 16 TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT 174 1331 02 9250599 02 9250610 0887 737375 02 9250557 office tangra bg via tangra bg tio tangra bg project tangra bg 39 9000 052 636221 052 611767 e mail varna tangra bg 65 8000 056 834301 e mail bourgas tangra bg
25. 10 11 12 13 13 13 13 14 14 15 2 16 Contents INTRODUCTION iiiaae 3 TECHNICAL 3 SAFETY INSTRUCTIONS 4 Installation Risks involved in incorrect handling or use Other tisks to 6 Specific risks involved in transporting and installation 6 Specific risks involved in fan maintenance 7 GENERAL 7 7 Overall fixing Dimensions Fan Diagram Fan Identification TRANSPORTS AND INSTALLATION 22222222222 10 Transpo
26. 90 Outlet 0 270 Outlet 1 2 Outlet Fig 1 Fig 2 Connections 160 242 146 156 183 2 eo an ooo a Anua Designation in Fig 3 Type size 200 4 250 130 400 N a 3 225 4 145 45 250 4 165 49 N w N 5 N w N 924 315 4 205 355 4 220 200 2 130 8 16 User Manual gt N w N w gt D b d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT DIAGRAM 1200 1 7 77 0 1100 79 3 1000 900 800 81 4 700 600 500 70 1 400 84 6 Static Pre
27. 54 40050 0530 30 40 60 9 16 4000 5000 6000 7000 Flow 3 8000 Fig 3 Noise power level frequency bands Lw dB Lw Lw A K dB Factor of correction of noise power level on frequency bands K 250 1000 2000 4000 8000 and series of single inlet direct drive centrifugal fans Turbines type A with forward blades are used The shape of the blades makes them suitable for conveying clean air containing dust not exceeding 10 mg m The turbine wheels are statically and dynamically balanced The fan casing and steps are produced from galvanized metal sheet and polyester electrostatic coating Vibration absorbers and inlet adapter as standard There are two draining holes at position 0 90 with plastic stopper e Protection class IP 54 Din 40050 e Class F insulation VDE 0530 e Ambient temperatures from 30 C to 40 C e Maximum working temperature 60 C Fans not appropriate for transportation explosion risk
28. 8 Delta connections Fig 8 A 230 V 8 L1 L2 L3 Fig 8 Delta connection single speed motor is highly recommended appropriate overload protection to be installed User Manual b d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT Connections to pipes Connections between the fan and pipes mu
29. 4 5 20 50 6 7 no
30. 6 VENTILATION AIR CONDITIONING EQUIPMENT 3ACMYKBAHE Single Inlet Centrifugal Fans b d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT 3 _ 3 4 4 5 6 6 7 CBEDEHNA icini a 7 7 8
31. Remember to tighten every screw bolt and nut of every component subject to adjustment or maintenance Before starting the fan ensure that all safety devices have been correctly installed and are in perfect working order If the above is not the case do not start the fan and inform the head of safety or department manager immediately The operator must be equipped with Personal protection Equipments in accordance with current legislation The use of bulky clothing and accessories ties loose sleeves etc is prohibited User Manual b d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT 1 2 3
32. selection of equipment ropes belts and chains best suited for both load and functionality DANGER It is absolutely forbidden to e Carry out any maintenance work without first ensuring that the fan rotor is effectively stationary Start any maintenance work on the fan including lubrication without first disconnecting the fan from the main power supply Clean the fan while it is running Open any shield or inspection hatch while the fan is running User Manual b d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT
33. substances and corrosive gas User Manual d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT Fan identification The identification plate is the only means of identifying the fan that is recognized by the manufacturer This plate must be kept in good condition over time and no modifications may be made to it The picture below shows the plate fitted to the fan VENTILATION AIR CONDITIONING EQUIPMENT www tangra bg office tangra bg Centrifugal Fan x 50 Hz kW Outlet 4
34. aused by dust accumulating on the blades during operation the fan is used to pump even slightly dusty air air containing abrasive powders or for the pneumatic transport material the cleanliness and wear of the fan rotor must be checked regularly Dirt deposits on the rotor or wear of parts of the rotor can cause undesirable vibrations during fan operation f part of the rotor is excessively worn it is imperative that the rotor be replaced for this you must contact Tangra ABs technical assistance service 14 16 VENTILATION AIR CONDITIONING EQUIPMENT Check List 1 2 6 7 3 4 5 6 7
35. could cause injury It must be robustly built enough to stand the vibrations and stress caused by the machine and by environmental devices that will not become loosened by vibrations and that cannot be removed without the use of tools It is in any case the person installing the fan who is responsible for ensuring that adequate measures have been taken to prevent accidental contact with the fan s moving parts User Manual d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT Risks involved incorrect handling use
36. ctrical connections The fan s power supply line must have a sufficiently high power rating Connection to the main power grid must only be carried out by qualified personnel Also the client is responsible for the entire electrical system up to motor terminal board We remind you of the importance of installing a safe connection to earth for the fan The earth connection system must comply with legislation in effect in the country of installation and must be periodically checked by qualified personnel Make the connection to earth before any other connection Check that the connection layout is suited to the mains power voltage Usually standard electric motors can run in both directions indifferently To invert the direction of rotation of 3 phase motor simply swap over any two power cables directly on the terminal board To invert the direction of rotation of 1 phase motor simply change the connection of starting coil on the terminal board The client must also install an electrical disconnecting device near the fan so that maintenance personnel can have direct control over the power supply to the fan All work performed on the electrical system must only be carried out with the fan at rest and electrically disconnected from the mains Before installing starting up ensure that the information on the identification plate on the motor is compatible with the main power supply
37. d this section carefully before starting any maintenance work on the fan these indications will ensure safer working conditions for the personnel involved and more reliable results of the maintenance work carried out Safety procedures adopted during fan maintenance must take into account the following e Maintenance must only be carried out by qualified and expert personnel authorized by the factory technical management department in accordance with safety directives and regulations and using only suitable tools equipments and materials for the job e While performing maintenance work all personnel involved must wear appropriate clothing such as tight fitting work overalls and accident prevention shoes Loose fitting clothes or clothes with hanging parts must be avoided at all costs e During maintenance cordon off the fan and place signs around the fan indicating FAN UNDERGOING MAINTENANCE During any maintenance procedure e The fan must be disconnected and insulated from the electric power supply e The head of maintenance must set up a team made up of persons capable working in a coordinated fashion and ensuring the utmost safety of those surrounding them All persons involved in maintenance must be in constant visual contact among themselves to be able to warn each other of any hazards present Checking and cleaning parts in contact with the fluid The fan rotor should be cleaned regularly to prevent vibration c
38. f persons exposed to the risks inherent in the operation and handling of this equipment The instructions in this manual describe how to use the fan correctly as intended by the manufacturer IMPORTANT The safety measures adopted for using the fan must also be tailored to suit the specific applications for which the fan will be used The safety measures taken differ depending on the type of fan installation as specified in the Installation chapter Therefore the information in this manual is indispensable for the appropriate and hazard free use of the fan TECHNICAL DATA 3 Maca Designation 3 size Rotation frequency Nominal power Weight ai i 88 e Cersa o 26 M single phase three phases 3 16 d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT
39. he ratio expressed as a percentage between the amount of energy that the fan confers to the fluid and the energy supplied to the fan rotor by the motor This value depends on the fan rotor configuration and is dimensionless Power absorption this is the power required supplied by the motor for the fan to work It is expressed in kW Nominal motor power this is the nominal power that the motor is able to supply This value must always be greater than the power absorption value for the fan and is expressed in kW Sound pressure level this is the energy transmitted into the outer ear which generates vibrations in the eardrum in other words this is the noise level of the fan and is measured on the decibel A scale this scale evaluates the effects of sound on the human ear in relation to its frequency Fan orientation APM and APT fans can be built in 3 different orientations of outlet and are manufactured in 2 speed directions CW or CCW The rotation can be done by unscrewing the bolts connecting the legs and the housing and rotating the housing to the desired position Afterwards the bolts have to be fastened again The orientation of a fan is expressed as seen from the inlet side Standard fan outlet position is 0 User Manual d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT DeceH Right CW TEN lt 2 7 270 4 2 Outlet
40. important information of general interest Installation There are four possibli UNI 10615 specifications Type A open intake and outlet Type B open intake and outlet connected to a pipe Type C intake connected to a pipe and open outlet Type D intake and outlet connected to a pipe in compliance wi Clearly Tangra AV cannot be aware of which of these four installation types will be used by the user Therefore the installer or end client themselves must analyze the risks involved for the chosen installation type used in the specific application Depending on the applications that the client intends to use the fan for and on the type of installation chosen the following safety shields must be fitted A installation fixed shields at the intake and outlet e Type B installation shield fitted only at the outlet C installation shield fitted only at the intake e Type D installation no shield at either the intake or outlet The user or the installer of the fan must ensure that adequate shielding is fitted to the pipe system at the points where it connects to the working pipes as follows Type A installation no shield necessary Type B installation shield fitted to the outlet pipe Type C installation shield fitted to the intake pipe Type D installation D shields fitted to the intake and outlet pipes The shielding must be constructed to impede access to the parts of the fan that
41. n the rotor itself and fixed parts of the fan housing Even when the fan is disconnected from the power supply the rotating parts can still turn due to any air movement through the fan This air flow may be natural or may be caused by the current induced by another fan installed elsewhere in the connected tubing system This can also lead to parts of the body becoming trapped and seriously injured between the rotor itself and fixed parts of the fan housing e A fan maintenance program must be drawn up and followed to prevent the mechanical failure or breakage due to wear or insufficient maintenance GENERAL INFORMATION The basic dimensions that determine a fan s characteristics are as follows Volumetric flow rate this is the volume of fluid passing through the fan a certain length of time per second 12 5 per minute m min or per hour m h Static pressure this is the force exerted by the fan blade to overcome the resistance that the fluid encounters as it flows through a circuit measure in mm WC or Pascal Pa Dynamic pressure this is the force that the fluid has due to the kinetic energy conferred to it by the rotating fan rotor as it exits the fan outlet measured in mm WC or Pa Total pressure this is the algebraic sum of the static pressure and the dynamic pressure measured in mm WC or Pa RPM this is the speed of the fan rotor in revolutions minute e Efficiency this is t
42. perating hours with the fan at rest and disconnected from the power supply check again that all bolts are correctly tightened the bearing temperature User Manual d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT
43. rt and lifting Installation Minimum distances between components 11 12 Connections to pios eie eonenna 13 CHECKS MADE BEFORE AND AFTER STARTING 13 Preliminar ohECkS osaa e Anr 13 Checks to be carried out with the fan running 13 MAINTENANCE niiina aieiai 14 Checking and cleaning parts in contact with the 14 ieina aR 15 User Manual b d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT
44. ssure 300 82 1 6 200 7394 67 100 715 3 1 2 o 0 1000 2000 3000 3 Lw dB Lw Lw dB 10 mg m 0 90
45. st be made ensuring that all components are correctly aligned and that there are no obstructions in the tubing caused by gaskets or flexible parts The weight of the tubing must not be supported by the fan and care must be taken not to deform any part of the fan during tightening of the connections to the pipes We do NOT recommend installations with an open air intake CHECKS TO BE MADE BEFORE AND AFTER STARTING Preliminary checks
46. stallation The fan does not require the preparation of a special machine bed for its installation A well leveled concrete surface that can support the weight of the fan is sufficient support must perfectly level to prevent torsion effects misalignment of the supports if necessary install metal shims between the machine base and the concrete surface to ensure a perfect fit Use the factory fitted anchoring points and take care not to deform the fan structure while tightening bolts All connecting tubing must be supported separately and must be axially aligned with the fan s intake and outlet nozzles to prevent any deformation occurring while tightening the bolts Minimum distances between components If the available space permits in installations where the intake is connected to a pipe we recommend fitting a straight length of pipe with a length approximately 2 5 times the diameter of the fan rotor to guarantee correct air flow into the intake 6 6 With installations with an open air intake we recommend leaving a distance equal to approximately 1 5 times the diameter of the fan rotor between the fain intake and the nearest wall or machine User Manual b d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT
47. tures above the specified operating range which can lead to the deformation and breakage of the housing Specific risks involved in transporting and installation e Before installation the user must prepare a perfectly level surface onto which the fan will be mounted If this surface is not perfectly level this can cause abnormal vibrations in the fan This can over time lead to the deformation and or breakage of fan components with the subsequent expulsion at speed of broken parts these expelled parts can cause even fatal injuries to any persons exposed e Before installation the user must also prepare adequate connections to earth for the fan case or for the fan structure to prevent the build up of electrostatic charges All installed protective devices must remain fixed to the fan together with their respective fixings screws bolts etc The removal of one or more fixing may compromise the functionality and tightness of the safety shield its standard form the fan is not intended for use in potentially explosive environment e The installation location of the fan must be kept clean at all times e The minimum installation distances specified in the manual must always be respected to ensure correct functionality without any further hazards The incorrect positioning of a component can compromise the functionality of the fan User Manual b d TANGRA VENTILATION AND AIR CONDITIONING EQUIPMENT
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