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Manual for use and maintenance 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

+ CE Declaration of conformity

 

 

 

EC52 

Air extraction fan 

 
 
 
 
 
 
 

Ag/MIT/ UmGB-2574-05/18 Rev 1.2

 

 

EC52 

Summary of Contents for EC52

Page 1: ...Manual for use and maintenance CE Declaration of conformity EC52 Air extraction fan Ag MIT UmGB 2574 05 18 Rev 1 2 EC52 ...

Page 2: ...to effect modifications to the apparatus in accordance with technical and legal developments and to make alterations to specifications quantities etc for production or other reasons subsequent to publication Warranty For Warranty information please refers to General terms and condition of sale available on https www munters com globalassets terms and policies condizioni_generali_vendita pdf Condit...

Page 3: ...4 4 OPERATING CONDITIONS 15 4 1 Intended conditions of use 15 4 2 Non permitted conditions of use 15 5 INSTALLATION 18 5 1 Choice of site and checking installation requirements 18 5 2 Assembly of the cone 19 5 3 Placement of fans 21 5 4 Connection to the electrical system 23 5 5 Tests and checks before startup 28 6 COMMISSIONING 30 6 1 Control devices 30 6 2 Instructions for starting up 30 7 TECHN...

Page 4: ... for moving air to control temperature and humidity in greenhouses or rearing sheds Model EC52 Year of manufacture 2018 CONFORMS WITH THE ESSENTIAL SAFETY REQUIREMENTS STATED BY APPARATUS DIRECTIVE 2006 42 EC AND PERFORMANCE REQUIREMENTS COMPLY WITH THE ERP DIRECTIVE 2009 125 CE with particular reference to the following provisions UNI EN 953 2009 UNI EN ISO 12100 2010 UNI EN ISO 12499 2009 UNI EN...

Page 5: ...r 1 2 Introduction Congratulations on your excellent choice of purchasing a Munters EC52 fan In order to realize the full benefit from this product it is important that it is installed commissioned and operated correctly Before installation or using the fan this manual should be studied carefully It is also recommended that it is kept safely for future reference The manual is intended as a referen...

Page 6: ...40 no 1 546 30 377 62 1 438 1 EC52 1 0hp 3ph 50Hz OS 35 7 A static 41 7 40 no 1 142 28 982 50 7 383 1 EC52 1 0hp 1ph 50Hz OS 32 3 A static 38 4 40 no 1 070 24 705 50 4 364 1 Fans tested are configured according to COMMISSION REGULATION EU No 327 2011 of 30th March 2011 ANNEX II 1 5 Efficiency values according to Commission Regulation EU 327 2011 refers to exhaust fans only 1 5 Attached technical d...

Page 7: ...ion from the employer relating to risks to health and safety at work connected with the use of the machine first aid procedures fire precautions and evacuation of workplaces devices provided for the safety of operators and residual risks generated by the machine In particular the employer has the following duties when assigning tasks to operators to take into account their capabilities in the inte...

Page 8: ...ser must ensure that the environmental and electricity supply conditions in which the fan operates are always within the limits specified in this user manual do not for any reason modify parts of the fan in order to fit additional devices 2 3 Safety devices In the process of designing and building the fan the manufacturer adopted the necessary technical solutions to ensure compliance with fundamen...

Page 9: ...ions and positioning in accordance with the instructions in the standard UNI EN 13857 Removable only by means of special tool fig 1 Outlet side of fan Guard of fixed type made of metal mesh Dimensions and positioning in accordance with the instructions in the standard UNI EN 13857 Removable only by means of special tool ...

Page 10: ...n stage with an electrical panel on which must be installed an actuator for the emergency stop function which when operated brings dangerous movements to a halt by isolation of the power supply the button must be mushroom shaped and coloured red provided with mechanical restraint and released by turning ...

Page 11: ...a Description Plates provisions PPE Panels covers and electrical apparatus The safety signs must be fixed in an extremely visible position on the door of the electrical panel and on covers containing electrical apparatus to highlight the risks to which an operator could be exposed in the event of opening the electrical panel danger resulting from the presence of live parts the level of voltage pre...

Page 12: ...ply with current national law in terms of protection against daily personal exposure of operators to noise by providing the use of personal protective equipment earmuffs earplugs etc if necessary depending on the overall level of sound pressure in the installation area and the daily personal exposure of the employees In areas where the overall sound level reaches excessive values personal protecti...

Page 13: ...ng and transport of assembled fans The fan has a self supporting structure in galvanised steel and it is usually delivered without packaging Upon request fans can be delivered packed in cardboard boxes fig 6 Once unpacked check the opening of the shutter manually by rotating the central shutter blade Verify that during transportation the plastic shutter bearings did not fall off from their operati...

Page 14: ...ure a steel cable or rope of adequate size is being used when the fan is lifted by crane Fan weights are shown in the technical specification table see section 7 2 3 3 Structure The fans consist of the following components fan housing in Munters Protect coated steel without welding spots fan shutter in Munters Protect coated steel which pivots on UV protected plastic bushes and pins propeller with...

Page 15: ...to consideration fig 9 The fan has been designed and built to operate in safety for the user if used according to the conditions intended by the manufacturer and stated in this user and maintenance manual NOTE For further information please refer to the technical documentation attached to this manual 4 2 Non permitted conditions of use Total or partial failure to observe the instructions given in ...

Page 16: ... maintain the safety and operational characteristics of the original device preferring replacement with an identical component Insufficient maintenance A correct normal maintenance is one that maintains the original integrity or restores the fan s efficiency while at the same time limiting normal deterioration resulting from use Special maintenance work can also prolong the usable life of the mach...

Page 17: ... in a classified area according to directive 1999 92 EC WARNING The metal sheets used for constructing the fan housing and shutter blades have a surface coating made of an alloy of Zinc Aluminum and Magnesium classified as Zm120 equivalent to 9 μm of coating thickness on each side of the panels which corresponds to a corrosion resistance in salty mist of 1800 hours Whenever it is intended to use t...

Page 18: ...vironmental conditions for operating the equipment are as follows Ambient temperature during operation Ambient humidity during operation 15 C 40 C 90 For operation of fan installation a manoeuvring area must be made available that is suitable for the fan dimensions and the chosen lifting equipment electrical points must be provided in the installation area for fan connection to the mains electrici...

Page 19: ...assembled to minimise space usage during transportation To move the cone to its working position it is necessary to follow the steps indicated below fig 11 1 Take two sectors of the cone one for each type fig 12 2 Align the four fingers of one of the two cone sectors to the respective slot of the other ...

Page 20: ...with the fingers facing downwards assuring to aligne the hole for fixing the screw 5 Repeat from step 2 using the remaining two sectors steering the fingers on the same side 6 Close the cone steering the fingers internally fig 15 7 Bolt the four junction points on the wide area of the cone ...

Page 21: ...g 18 11 Mount the four brackets leaving the M6 screw s head towards the inside of the cone 5 3 Placement of fans WARNING There must be no obstacle neither in front or behind the fans The outgoing airflow must be kept free at least of a length of 3 times fan diameter and the ingoing airflow must be kept free at least in a radius of 1 5 m distance in front of the fan ...

Page 22: ...rom the floor below it If the fan is to be installed at a lower height it should be equipped with special safety meshes which are available as an optional extra Failure to install the safety mesh releases the manufacturer from all liability and shall be considered an improper use of the machine Metal structure fig 19 Wall structure fig 20 ...

Page 23: ... Connection to the electrical system The fan is supplied without a command and control circuit but with all the internal electrical connections already made At the fitting stage the installer must set up a control panel in compliance with the requirements of standard IEC EN 60439 1 and arrange the wiring of the fan in accordance with the instructions in standards IEC EN 60204 1 and IEC 60364 The e...

Page 24: ...ry 0 1 according to IEC EN 60204 1 fig 25 Start stop selector switch with characteristics compatible with the nominal current of the motor or main panel for managing the equipment with control devices which act on the electrical supply to the fan WARNING Do not supply power to the fan during installation stage Installer must issue a declaration of correct installation in accordance with applicable...

Page 25: ...h laws and regulations fig 27 fig 28 1 Overload protection switch 2 Circuit breaker 3 Fan motor NOTE Failure to operate the fan with an overload protection device will render the motor guarantee null and void Such motor overload protection devices can be ordered from Munters and be supplied with the fans NOTE The connection cable must be completely extracted from the fan housing in order to avoid ...

Page 26: ...ble length D m 1 hp 0 75 kW 3 3 3 1 1 50 60 50 60 50 60 50 60 230 400 200 230 230 single single single single single 3 5 2 0 3 9 3 3 5 2 5 6 90 150 80 60 50 150 260 139 100 90 240 400 200 160 140 1 5 hp 1 1 kW 3 3 1 1 50 60 50 60 50 60 230 400 230 220 single single single single 4 7 4 2 2 8 2 4 7 3 6 6 60 100 40 40 110 180 70 80 160 270 100 100 2 hp 1 5 kW 3 3 3 3 50 60 50 60 50 60 60 200 230 400 ...

Page 27: ...the power of the fan and the length of the line itself they must make an effective earth connection they must have isolating devices and automatic protection against overload and short circuits Before activating the electrical supply to the machine by turning the isolator switch to position On a series of checks must be made check that the voltage and frequency of the power source correspond to th...

Page 28: ...conductor WARNING When connecting all the metal masses to the earth system check that there are no insulating elements between the various conductive masses metal parts The system must not be put into operation unless the equipotentiality of the masses and the connection to the earth system have previously been checked Protection against contact voltages The choice of device to protect the electri...

Page 29: ...are correctly positioned and fixed check that the safety devices are receiving power and are active and check their effectiveness After this series of checks has been carried out the fan is ready for its first startup WARNING Some models of our fans allow to adjust the number of revolutions through inverter also called VFD In case of adjustment made by VFD the installer has to pay particular atten...

Page 30: ...fectiveness by activating them check the presence of the electricity supply To start the fan go through the following procedure turn the isolator switch to position On press the fan starter button Normal stopping In the event of necessity the fan can be stopped by operating the relative control device stop which shall be installed on the electrical panel Activating this control must cause the fan ...

Page 31: ... according to IEC EN 60204 1 Resetting after stopping 1 Resetting after normal stopping After normal stopping the operating cycle must be reset by following the procedure described in section 6 1 2 Resetting after emergency stop After an emergency stop the operating cycle must be reset by following the procedure described below reset the actuator by which the emergency stop command was given by tu...

Page 32: ...tions Technical specifications Models 1 0 hp 1 5 hp 2 0 hp Number of blades 4 Propeller diameter mm inch 1 335 52 Weight of fully equipped fan kg 108 112 112 Airflow at 0 Pa m3 h cfm 42 200 24 900 47 570 27 971 49 500 29 100 Airflow at 25 Pa m3 h cfm 35 100 20 700 41 792 24 574 44 700 26 300 Airflow at 50 Pa m3 h cfm 26 200 15 400 33 074 19 448 36 400 21 400 ...

Page 33: ...4 8 20 4 32 7 19 2 Max operating temperature C F 40 104 Max operating pressure Pa 50 Nominal propeller speed rpm 386 438 462 IEC protective class of electric motor IP55 Electric motor winding insulation grade F Excludes safety kit for installation below 2 7m above the floor ...

Page 34: ...periodic lubrication as moving parts are either manufactured from self lubricating materials or are sealed with lifetime lubrication 8 2 Routine Maintenance Program Following the maintenance program prepared by our experts is the best way to ensure the smooth operation of Munters fans to improve their performance and to give a longer lifespan ROUTINE MAINTENANCE 1 MONTH 2 MONTHS 2 YEARS 4 YEARS 5 ...

Page 35: ...out 10 mm when pushed in by thumb WARNING Tighten fan belt after the fan has been running for 3 days Without adjusting the tension transmission components can wear out early fig 32 To reset the correct tension 1 open the safety mesh guards 2 unscrew motor slide fixing screws without 3 removing them 4 tighten the V belt by pushing the motor sideways 5 tighten the fixing screws adequately 6 fix the ...

Page 36: ...36 Munters AB 2018 9 SPARE PART LIST DETAIL A ...

Page 37: ...37 Munters AB 2018 ...

Page 38: ...38 Munters AB 2018 DETAIL A ...

Page 39: ...39 Munters AB 2018 DETAIL B DETAIL C DETAIL D ALIGNEMENT OF SHUTTER BLADE ...

Page 40: ...40 Munters AB 2018 POSITIONING OF FRONT FLANGE ALIGNEMENT OF WATERPROOF DISTANCE PIECE FOR REAR FLANGE ...

Page 41: ...170 1 7 Ø8X32 WASHER 2277100 3 8 HEX SCREW M8X16 2280200 2 9 MOTOR SEE TAB 1 10 HOOK FOR SPRING 2449150 2 11 RUBBER FOR CABLE 2239600 1 12 PLASTIC TIE ROD 2282052 2 13 CENTRAL PLASTIC BEARING RIGHT 2524501 1 14 PLASTIC BEARING RIGHT 2524101 9 15 SHUTTER BLADE 2439020 9 16 PLASTIC BEARING LEFT 2524301 9 17 METAL CLIP FOR MESH 2448600 10 18 Ø6 3 19 SELF TAPPING SCREW 2278800 18 19 PYRAMIDAL SAFETY M...

Page 42: ...9 M6 HEX NUT THICK 2273400 30 30 Ø6 SPRING WASHER 2277700 12 31 CONE BRACKETS 2447050 4 32 HEXAGON SCREW M8X20 2280410 2 33 Ø8 EXTERNAL TOOTHED WASHER 2275100 5 34 HEX SCREW M8X30 2281000 4 35 PLAIN WASHER D8X24 2276800 3 36 FRONT FLANGE W BUSHES 2252579 1 37 PROPELLER Zm120 2514497 K 1 38 M8 HEX NUT 2273700 6 39 HEX NUT M6 WITH FLANGE 2282310 4 40 HUB WITH AXLE 2520330 1 41 M6 30 HEX SCREW 227960...

Page 43: ...73600 1 51 BEARING 16005 2RS 2244520 1 52 REAR FLANGE WITH BUSHES 2252579 1 53 CENTRIFUGAL SYSTEM 2511050 1 54 PLAIN WASHER D8 4X17 2275700 2 55 SPRING WASHER D8 2277400 3 56 HEXAGON SOCKET HEAD CAP SCREW M8X35 2278400 2 57 PLASTIC FORK 2265655 1 58 BRASS PIN 2249650 1 59 HEX NUT M6X5 2270700 2 60 HEXAGONAL AXLE 2252587 1 61 Ø6 4 12 5 POP UP RIVET S S 2272200 4 62 REINFORCING PLATE 2447140 1 63 PL...

Page 44: ... MOTOR PULLEY PITCH DIAMETER HOLE V BELT 3 PHASE ONE SPEED 1 PHASE ONE SPEED 50 Hz 60 Hz 50 Hz 60 Hz 1 hp 90 19 A75 75 19 A74 90 19 A75 75 19 A74 1 5 hp 100 24 A75 80 24 A74 100 24 A75 80 24 A74 2 hp 106 24 A75 90 24 A75 ...

Page 45: ...ters cn Denmark Phone 45 98 623 311 aghort munters dk Germany 49 0 25 58 93 92 0 India Phone 91 20 6681 8900 info munters in Indonesia Phone 66 2 642 2670 info munters co th Israel Phone 972 3 920 6200 info munters co il Italy Phone 39 0183 5211 info munters it Japan Phone 81 3 5970 0021 mkk munters jp Korea Phone 82 2 7618 701 munters munters co kr Mexico Phone 52 818 2625 400 dhinfo munters com ...

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