Munters EM52 Manual For Use And Maintenance Download Page 33

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BOTTOM PANEL

POP UP RIvET D4.8×07

BOTTOM PANEL 549x1,457x1 GALv.

RUBBER GROMMET

PLASTIC SAFETY PROTECTION FOR CENTRAL PULLEY

PLASTIC SAFETY PROTECTION FOR BELT

SAFETY MESH

METAL CLIP FOR MESHES

PLAIN WASHER D6x24 UNI 659 + SEAL

SELF TAPPING SCREW 6.3x19 DIN 7049

PLASTIC CLIP FOR MESHES

PLATE FOR MOTOR SAFETY PROTECTION

METAL SAFETY PROTECTION FOR MOTOR

MOTOR PULLEY PITCH DIAMETER AND HOLE

2HP - 3-PHASE

50HZ

60HZ

95/24

80/24

Spare part list

Chapter9

Summary of Contents for EM52

Page 1: ...Manual for use and maintenance EM52 Air extraction circulation fan EM52 CE Declaration of conformity Ag MIT UmGB 2134 08 13 rev 1 0 ...

Page 2: ... 42 EC paragraph A Annex II and to ErP Directive 2009 125 CE Commission Regulation 327 2011 This document is destined for the user of the apparatus it may not be reproduced in whole or in part committed to computer memory as a file or delivered to third parties without the prior authorisation of the assembler of the system Munters Italy S p A reserves the right to effect modifications to the appar...

Page 3: ...ING 12 3 1 Delivery check 12 3 2 Packaging and transport of assembled fans 12 3 3 Structure 12 4 Operating Conditions 13 4 1 Intended conditions of use 13 4 2 Non permitted conditions of use 13 5 INSTALLATION 16 5 1 Choice of site and checking installation requirements 16 5 2 Installing Series EM fans 17 5 3 Connection to the electrical system 18 5 4 Tests and checks before startup 20 6 COMMISSION...

Page 4: ...8 1 Introduction 26 8 2 Cleaning 26 8 3 Belt tensioning check up only EM models 26 8 4 Replacement of propeller 27 8 5 Replacement of central pulley 28 8 6 Replacement of shutter bearing assembly 28 8 7 Fan bearing lubrication 28 8 8 Replacement of shutter opening device centrifugal system 29 9 SPARE PART LIST 30 10 WARRANTY 34 Index ...

Page 5: ...ntrol temperature and humidity in greenhouses or rearing sheds Model EM52 Year of manufacture 2013 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 ISO 13857 2008 CEI E...

Page 6: ...is intended as a reference for installation commissioning and day to day operation of the Euroemme fans 1 3 Notes Date of release 2013 Munters cannot guarantee to inform users about the changes or to distribute new manuals to them All rights reserved No part of this manual may be reproduced in any manner whatsoever without the expressed written permission of Munters The contents of this manual are...

Page 7: ...terests of safeguarding their health and safety to provide adequate means of protection to require compliance by individual operators with the company rules and provisions regarding safety and the use of the collective and individual protective measures at their disposal to ensure that normal and special maintenance operations or in any event operations necessary for machine safety are regularly c...

Page 8: ...their duties and or technical knowledge Warning Safety devices must not be removed or rendered ineffective the fan must not be started with guards removed any adjustment or maintenance operation must be performed with the electrical isolating device activated and locked in position with a padlock any operation is prohibited which may cause arcing or sparks or other situations which could start a f...

Page 9: ...ioning 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 fig 2 Safety aspects Chapter2 ...

Page 10: ...ure to observe ergonomic principles caused by excessive strain i e generic mechanical hazard during the moving and installing stages of the machine Electrical hazards System area 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...

Page 11: ...ction 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 protective equipment must be used Warning The fan must ...

Page 12: ... make sure fan shutter is positioned outwards forklift before loading make sure the forks are opened as much as possible to avoid bending of the fan bottom panel and damaging the shutter crane fix two bolts in the M8 bushes situated on the sides of the fan housing and hook the lifting cable over the bolts 3 3 Structure The fans consist of the following components fan housing in galvanised steel wi...

Page 13: ...f used according to the conditions intended by the manufacturer and stated in this user and maintenance manual 4 2 Non permitted conditions of use Total or partial failure to observe the instructions given in this manual could cause damage to the fan and or people The following uses are to be considered not permitted and improper use in the event of faults and or tampering with the installed safet...

Page 14: ...can also prolong the usable life of the machine and or secondarily can improve its efficiency reliability productivity and ease of maintenance and inspection Unauthorized modifications or tampering No operation is permitted which is aimed at making modifications to the fan and the safety devices fitted to it similarly it is not possible to alter its operational and performance characteristics Use ...

Page 15: ...to the fan which do not come into the categories of normal and special maintenance or which alter its operational and performance characteristics invalidate the machine s compliance with the requirements of the applicable directives as attested by the manufacturer with the EC declaration of conformity it is up to the person responsible for the modification to resubmit the machine to the assessment...

Page 16: ...e mains electricity supply Irrespective of the place of installation suitable indelible warning signs are attached to the fan warning of danger and giving instructions to remain at a safe distance not to place hands inside the shutter and not to run in proximity of the fan The warning signs are yellow self adhesive and indelible They are fitted to the front and rear of the fan and marked with the ...

Page 17: ...t supplied with the fan with a 60 mm L shaped profile at least 5 mm thick with suitably sized clamps When the outer frame is properly built in i e perfectly level and upright insert the fan screwing four M8 bolts type 8 8 not supplied with the fan into the threaded inserts provided on the sides of the bodywork two per side The fans must be installed to carry out extraction of the air present in th...

Page 18: ...ends on the configuration of the electrical system supplying the fan it is the installer s responsibility to make this assessment in accordance with the instructions in standard IEC 60364 Red emergency stop button mushroom type provided with mechanical locking and release by turning in compliance with UNI EN ISO 13850 Operating the button must bring about the electromechanical isolation of the pow...

Page 19: ...he conductor providing external protection are correctly connected check that the connections in the control and power circuits are properly tight check that the intensity of the short circuit expected at the connection terminals is compatible with the breaking power of the protection switch upstream of the electrical panel check that the protection devices fuses magnetothermic switches are correc...

Page 20: ...e machine s supply line taking into account whether the distribution system is TT or TN it is advisable to consult an electrical systems designer in order to ensure compliance with the requirements of standard IEC 64 8 or the equivalent provisions in the country where the machine is being installed 5 4 Tests and checks before startup Before startup it is extremely important to carry out a very car...

Page 21: ...e equipotential earthing wiring safeguard check that the guards inside the electrical panel 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 Tension the belt after three days of operation improper tension will lead to premature wea...

Page 22: ...heir effectiveness 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 t...

Page 23: ... instantaneous interruption of the power supply to the electric motor which makes the rotor turn uncontrolled shutdown category 0 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 cycl...

Page 24: ...al specifications Technical specifications Number of blades 6 Number of shutter blades 10 Propeller diameter mm inch 1 334 52 Weight of fully equipped fan kg 90 Airflow at 0 Pa m3 h cfm 43 000 25 300 Airflow at 50 Pa m3 h cfm 33 900 19 900 Airflow at 80 Pa m3 h cfm 27 600 16 200 Airflow at 100 Pa m3 h cfm 19 200 11 300 A B F G H C D E ...

Page 25: ...e C F 50 122 Nominal propeller speed rpm 414 IEC protective class of electric motor IP55 Electric motor winding insulation grade F 7 3 Motor specifications Code Nominal Power W Hp Phases Speed Frequency Hz Voltage V Current A Rpm a 1 500 2 0 3 single 50 230 400 6 1 3 5 1 400 b 1 500 2 0 3 single 60 230 400 5 5 3 2 1 680 ...

Page 26: ...ion 8 2 Cleaning Inspect the fan at regular intervals and keep it clean It is advised to perform periodic cleaning of safety mesh guards Dust on the safety mesh guards causes extra power consumption severe dust on the motor can cause overheating and subsequent motor failure 8 3 Belt tensioning check up Check V belt tension at regular intervals the correct tension is obtained when maximum deflectio...

Page 27: ...tem fig 14 2 Loosen motor to propeller V belt from pulleys throat 3 unscrew the fixing nut Maintenance Chapter8 Do not operate the fan with the safety protections removed safety meshes can be removed only with specific tools by qualified technicians when the fan reaches a complete standstill The fixing sytems of the safety protections are not interchangeable with other devices Therefore if for mai...

Page 28: ... from central pulley unscrewing the 4 hub fixing screws 7 assemble the new propeller following the reverse procedure 8 5 Replacement of central pulley To replace the central pulley follow the same procedure of the propeller replacement see section 8 4 8 6 Replacement of shutter bearing assembly fig 17 1 open shutter by hand and take away the pin which connects central shutter blade to centrifugal ...

Page 29: ...in their position 7 fit the cover side plates back see n 1 8 7 Fan bearing lubrication Bearings are properly sized with double sealed protection 2RS and lubricated for life therefore they do not require any additional lubrication 8 8 Replacement of shutter opening device centrifugal system fig 19 1 open shutter by hand and take away the pin which connects central shutter blade to centrifugal syste...

Page 30: ...id etc the user before installing the fan at the installation site must verify that the environmental conditions are compatible with the intended use of the materials that compose the fan Warning There are a number of steps that can greatly reduce or eliminate the white rust formation on the tightly packed components keep the components dry unpack the components to permit air circulation between t...

Page 31: ...19 21 20 22 23 13 24 25 27 28 10 6 9 38 37 36 35 29 30 32 33 34 31 4 40 42 46 47 17 18 1 43 2 5 49 50 3 16 39 26 48 12 11 7 8 15 14 41 44 52 51 45 EM52 fig 15 31 32 Munters AB 2013 Spare part list 9 ...

Page 32: ...hutter bearing assembly 10 19 pyramidal safety mesh 1 20 pvc tie rod 2 21 left side shutter bearing assembly with spring 1 22 shutter blade 9 23 central shutter blade 1 24 knurled axle 1 25 hexagon socket head cap screw m8x55 uni 5931 6 26 Plain washer d8 4x17 uni 659 2 27 complete centrifugal system single speed 1 28 Propeller stainless steel galvanized 6 29 central Hub 1 30 plain washer d6 4x12 ...

Page 33: ... 1 45 plastic safety protection for belt 2 46 Safety mesh 2 47 Metal clip for meshes 2 48 plain washer d6x24 uni 659 seal 1 49 Self Tapping screw 6 3x19 DIN 7049 29 50 plastic clip for meshes 16 51 plate for motor safety protection 1 52 metal safety protection for motor 1 Motor pulley pitch diameter and hole 2hp 3 Phase 50hz 60hz 95 24 80 24 Spare part list Chapter9 ...

Page 34: ...overy of the defect and within 12 months of the delivery of the defective product Munters has thirty days from the date of receipt in which to take action and has the right to examine the product at the customer s premises or at its own plant carriage cost to be borne by the customer Munters at its sole discretion has the option of replacing or repairing free of charge products which it considers ...

Page 35: ...ols and consumables required for fitting and installation lubricants necessary for commissioning and maintenance It is mandatory to purchase and use only original spare parts or those recommended by the manufacturer Dismantling and assembly must be performed by qualified technicians and according to the manufacturer s instructions The use of non original spare parts or incorrect assembly exonerate...

Page 36: ...9 0183 52 11 Japan Munters K K Phone 81 3 5970 0021 Korea Munters Korea Co Ltd Phone 82 2 761 8701 Mexico Munters Mexico Phone 52 818 262 54 00 Russia Munters AB Phone 7 812 448 5740 Singapore Munters Pte Ltd Phone 65 744 6828 South Africa and Sub Sahara Countries Munters Pty Ltd Phone 27 11 997 2000 Spain Munters Spain S A Phone 34 91 640 09 02 Sweden Munters AB Phone 46 8 626 63 00 Thailand Munt...

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