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Caution: Operators must read the manual 

and carefully follow the instructions reported 

in it. The Manufacturer shall not be liable 

for injury caused to people and/or daamge 

caused to propery or undergone by the prod-

uct in the event of failure to comply with the 

conditions below.

Cod.

Type

Mod. 

“TRANSLATION OF THE ORIGINAL INSTRUCTIONS” 

M00004AG - ENGLISH

ATEX SUPPLEMENT 

to the User and Maintenance Manual

Centrifugal fan

CH - K - SMX - Z - H

Belt transmission

Coupled with 

a transmission 

joint

Coupled di-

rectly

Summary of Contents for CH Series

Page 1: ...o people and or daamge caused to propery or undergone by the prod uct in the event of failure to comply with the conditions below Cod Type Mod TRANSLATION OF THE ORIGINAL INSTRUCTIONS M00004AG ENGLISH ATEX SUPPLEMENT to the User and Maintenance Manual Centrifugal fan CH K SMX Z H Belt transmission Coupled with a transmission joint Coupled di rectly ...

Page 2: ...ation and not disclose it The manual was written in ITALIAN and is available online via the following QR code Release A 0 1 2016 Cod Type Mod TRANSLATION OF THE ORIGINAL INSTRUCTIONS M00004AG ENGLISH ATEX SUPPLEMENT to the User and Maintenance Manual Centrifugal fan CH K SMX Z H Caution Operators must read the manual and carefully follow the instructions reported in it The Manufacturer shall not b...

Page 3: ...itions 10 Characteristics of the treated fluid 10 Product Identification 11 ATEX products code reading key 11 EC Declaration of Conformity 12 accident prevention 13 General information about safety 13 RESIDUAL RISKS 13 Using frequency converters inverters 13 Gas leaks from the ducting 13 Parts of the duct or the system are not earthed 13 Fans with open intake 13 installation 14 PRECAUTIONS TO BE T...

Page 4: ...tialisation of the flow 17 First start up 17 maintenance 18 Inspections 18 Vibration control 18 Bearing temperature control 18 Measurement of impeller rotary speed 19 Measurement of earth resistance 19 Visual inspection 19 ATEX maintenance requirements 20 Scheduled maintenance 20 Annexes 21 OBLIGATIONS AND LIABILITY 21 Disclaimer 21 Support and Requests for spare parts 21 Predictive maintenance 21...

Page 5: ...isks characteristics of the fluid 10 ducting 13 electromagnetic interference 13 environmental conditions 10 open intake 13 S speed of rotation checks 17 support and requests for spare parts 21 T temperature checks 15 18 hot surfaces 13 V vibrations checks 17 18 W work performed 22 23 24 Z ZONE INTERNAL or EXTERNAL zone 9 11 13 RISK zone 8 13 ...

Page 6: ...th the instructions in this manual in addition to that already required in the user and standard basic maintenance manual concern ing your model If different instructions are provided for the same activity in the two manuals that indicated in this manual is to be given priority The Manufacturer assumes no responsibility for damage and malfunctions due to non compliance with the requirements of thi...

Page 7: ... user and standard maintenance manual and Attachment Ex In the case of different instructions in the two manuals that indicated in this manual is to be given priority Non authorised use Personnel operating in potentially explosive environments for installation commissioning maintenance and decom missioning purposes must be aware of the risks and pre cautions to be taken Such personnel must operate...

Page 8: ...fluid G Gas D Dust The general label indicates the name of the series and the size of the fan the bidding documents bear the complete description of the supply attachment Ex that accompanies the supply indicates the basic operating and use character istics of the fan ATEX reference standards In addition to the specific reference standards for each type of fan indicated on the relevant manual ATEX ...

Page 9: ...protec tion so that the anti explosion safety is guaranteed Category 1 in the case of rare or unusual malfunctions NOT SUPPLIED Category 2 in conditions of foreseeable malfunction high protection Category 3 in normal operating conditions normal protection Correspondence table of Risk areas and Fan categories Features Risk of area Meaning Requested type of fan Category Fan corresponding 0 Presence ...

Page 10: ...TERNAL category is as follows For fans that are not fully ducted consider the same CATEGORY of the fan For fully ducted fans but in closed or poorly ventilated environments consider the same CATEGORY of the fan For fully ducted fans in environments that are not closed or closed but poorly ventilated one different CATEGORY between INTERNAL or EXTERNAL of the fan can be considered ...

Page 11: ...refully monitor for any such situations and if necessary increase the frequency of the checks on the fan Environmental pollution Pollutants in the environment can affect the explosive condition thereby increasing the risk Therefore if environmental polluting fac tors or fan fluid is present they should be analysed and adequately monitored by the user Characteristics of the treated fluid Fluids wit...

Page 12: ...ion by means of a check of the ignition source c protection for constructional safety Gas unit IIA gas in group IIA can be treated IIB gas in group IIA and IIB can be treated IIC gas in groups IIA IIB and IIC Not available can be treated Maximum surface temperature The exact value for Dust or the temperature Class for the GAS is indicated as shown in the following table T1 T2 T3 T4 T5 T6 450 C 300...

Page 13: ...ilatori possono essere utilizzati in ambienti ove sia possibile la presenza di atmosfere esplosive in accordo alla classificazione riportata nella EN 1127 1 La marcatura ATEX ZONA INTERNA è indicata nella targhetta del ventilatore campo Zona interna Inner Zone La marcatura ATEX ZONA ESTERNA è indicata nella targhetta del ventilatore campo Zona esterna Outer Zone Anno di costruzione Indicato in tar...

Page 14: ...netic interference and where necessary use special devices to reduce the interference Gas leaks from the ducting CAUTION Any ducting to which the fans are connected must guarantee adequate sealing with respect to possible gas passages from the inside to the outside of the duct and vice versa unless it was preliminarily provided and declared that the fan operates without ducting and with the same r...

Page 15: ...isk arising from operating in a potentially explosive atmosphere and must have previously read and understood the contents of this manual and must operate in accordance with current regulations concerning potentially explosive atmospheres Preliminary checks and inspections Some checks and inspections must be carried out even after installation and operation as well as the restart of the fan Refer ...

Page 16: ...In the case of fans equipped with an inspection door you can inspect the inside of the fan For fans not equipped with an inspection door for the internal inspection remove the ducts and if necessary the transmission motor unit Check by rotating the impeller manually and very slowly for there to be no interference between the impeller and the nozzle Perform the Check the distance between the impell...

Page 17: ...he nozzle contact side with the impeller Depending on diameter D distance S or the required air gap should be For diameter D up to 200 mm S 2 mm For diameter D from 200 to 2000 mm S 1 of D e g D 480 mm S 4 8 mm For diameter D greater than 2000 mm S 20 mm Insert key K supplied or a similar shim S on the entire circumference of the impeller making sure to double check the shortest distance between t...

Page 18: ...as to avoid the risk of generating sparks which can create the risk of explosion Indicatively do not perform individual opening or closing adjustments in less than 1 second First start up After the first start up you must Measure the vibrations Measure the temperature of the bearings Measure the speed of rotation of the impeller or of the transmission shaft N B Refer to the INSPECTIONS chapter in ...

Page 19: ...rring to the standard basic manual relevant to your fan model The following checks are to be carried out 3000 hours 1 hour Measurement of vibrations with mobile instrument 24 hours continuous 0 Continuous measurement of vibrations with installed probe Caution fan operation with high vibration values may cause a failure on the bearings and can cause damage to property or injury to people Caution Th...

Page 20: ...nt brief pulse when the motor is started stopped for the deviation from the nominal number of revs In the case of use with an inverter the number of revs of the impeller or the shaft must be verified in relation to the number of revs of the motor each time it is used 24 hours continuous 0 Measurement of the rotary speed with in stalled probe Measurement of earth resistance The measurement of the e...

Page 21: ...ement of the bearing temperature with installed probe 18 24 hours continuous 0 Continuous measurement of vibrations with installed probe 18 24 hours continuous 0 Measurement of the rotary speed with installed probe 19 1 000 hours 1000 hours 30 mins Visual inspection with the fan stationary and running 19 3 000 hours 3000 hours 1 hour Measurement of vibrations with mobile instrument 18 3000 hours 3...

Page 22: ... Serial number and year of manufacture Description of the part Desired amount For electrical material specify the voltage Volt and frequency Hz Predictive maintenance Predictive maintenance is a kind of preventive maintenance that can be carried out by the Manufacturer upon request It consists in calculating and checking the residual time or efficiency of the components based on the data detected ...

Page 23: ...22 Table Work performed Item Pos Type of job and or Notes Date Operator signa ture Annexes ...

Page 24: ...23 Table Work performed Item Pos Type of job and or Notes Date Operator signa ture Annexes ...

Page 25: ...24 Table Work performed Item Pos Type of job and or Notes Date Operator signa ture Annexes ...

Page 26: ...rs Italy Via della Taccona 77 20900 Monza MB Italy Tel 39 039 73941 Fax 39 039 737125 info industriecbi it www cbifans com CBI Service Italy Viale delle industrie 22 20040 Cambiago MB Italy Tel 39 039 95 30 84 00 Fax 39 039 95 30 83 91 info cbi service com ...

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