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ATEX-Servomotors

with Ex protection

Installation and operating instructions

GRUNDFOS 

INSTRUCTIONS

Summary of Contents for ATEX 384-511

Page 1: ...ATEX Servomotors with Ex protection Installation and operating instructions GRUNDFOS INSTRUCTIONS ...

Page 2: ...TEX DMH single head pumps only 1 General information 2 1 1 Service documentation 2 1 2 Declaration according to ATEX GUIDELINES 4TH EDITION September 2012 concerning the assembling of pump and servomotor 2 2 Applications 2 3 Safety 3 3 1 Identification of safety instructions in this manual 3 3 2 Qualification and training of personnel 3 3 3 Risks when safety instructions are not observed 3 3 4 Saf...

Page 3: ...tructions in this manual applicable national health and safety regulations and any internal working operating and safety instructions specified by the operations manager must be observed 3 5 Safety instructions for the operations manager user Hazardous hot or cold parts on the servomotor must be protected to prevent accidental contact Damage caused by electrical energy must be prevented for more d...

Page 4: ... Dimensional sketches 4 4 1 Servomotor range 384 511 to 513 Fig 1 Servomotor range 384 511 to 513 Measurements in mm Servomotor For pump type Pump type key control variant Servomotor kit Spare servomotor Control variant Supply voltage 384 511 DMH 251 253 DMH 280 281 AT1 96725812 98711372 Potentiometer 115 230 V 50 60 Hz AT6 96624757 98711374 Current signal 115 230 V 50 60 Hz 384 512 DMH 254 255 DM...

Page 5: ... servomotor must be mounted by qualified personnel Warning Tools meeting the requirements of EN 1127 1 Appendix A must be used for all operations on pumps in potentially explosive atmospheres There is a general ban on the use of any type of steel tool in Zone 1 if there is a risk of explosion due to materials in Explosion Group IIB and hydrogen sulphide ethylene oxide or carbon monoxide Caution Th...

Page 6: ...e console to place it tightly at the lantern 8 Screw the servomotor 9 to the lantern and holding plate with the screws 6 9 Tighten the grub screw 3d 10 Match up the 0 position of the scale ring 7 with the marking pin on the lantern and tighten the grub screw 8 11 Tighten the screws 12 at the pump to fasten the pump to the console Connecting and commissioning the servomotor Establish the electrical...

Page 7: ... the factory The internal wiring must never be modified Warning The terminals at the limit switches are live when the switch closes Warning The following must be taken into account for explosion protection servomotors and pumps Danger of explosion Only use high strength cable glands appropriate for the cable size Attach suitable caps to unused openings Caution Switch cams and limit switches are se...

Page 8: ... of faults of the servomotor or in the system it may be necessary to adjust the stroke length manually see the servomotor manufacturer s instructions When the fault has been corrected switch the system back to automatic operation 8 2 1 Manual operation 1 Separate the servomotor from the power supply 2 Loosen the grub screw 3d in the coupling see fig 4 3 Turn the coupling by hand until the desired ...

Page 9: ...nts of EN 1127 1 Appendix A must be used for all operations on pumps in potentially explosive atmospheres There is a general ban on the use of any type of steel tool in Zone 1 if there is a risk of explosion due to materials in Explosion Group IIB and hydrogen sulphide ethylene oxide or carbon monoxide Warning Switch off the entire system before making any repairs Switch off the power supply befor...

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Page 11: ...K 1 2 3 Shin Miyakoda Kita ku Hamamatsu 431 2103 Japan Phone 81 53 428 4760 Telefax 81 53 428 5005 Korea GRUNDFOS Pumps Korea Ltd 6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60 LV 1035 Rīga Tālr 371 714 9640 7 149 641 Fakss 371 914 9646 Lithuania GRUND...

Page 12: ...06927 The name Grundfos the Grundfos logo and be think innovate are registered trademarks owned by Grundfos Holding A S or Grundfos A S Denmark All rights reserved worldwide Copyright Grundfos Holding A S www grundfos com ...

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