EXPO MiniPurge D660-ET Manual
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EXPO MiniPurge D660-ET Manual

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®
D660-ET MiniPurge
Manual
ML601
Important Note:
It is essential for safety that the installer and user of the Expo system follow these
instructions.
Please refer to the standard for principles and definition.
These instructions apply only to the pressurizing system. it is the responsibility of the
manufacturer of the pressurized enclosure to provide instructions for the enclosure.
Expo Technologies reserves the right to replace any component, with one of the equivalent functionality.
ML601 | v2
21-June-2021

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Summary of Contents for EXPO MiniPurge D660-ET

  • Page 1 Manual ML601 Important Note: It is essential for safety that the installer and user of the Expo system follow these instructions. Please refer to the standard for principles and definition. These instructions apply only to the pressurizing system. it is the responsibility of the manufacturer of the pressurized enclosure to provide instructions for the enclosure.

  • Page 2: Table Of Contents

    Section 1: System Specification ....................1 ® MiniPurge Control Unit Data ..........................2 Relief Valve Unit and Purge Outlet Valve with integral spark arrestor..........3 Section 2: Quick User Guide ......................4 Installation ..................................4 Operation of the System ............................4 Section 3: Application Suitability ....................5 Section 4: Description and Principle of Operation ..............
  • Page 3 Section 10: Recommended Spares List ................... 19 Section 11: Glossary ........................19 Section 12: Drawings and Diagrams ..................19 Section 13: Certifications......................20 ML601 | v2...

  • Page 4: Section 1: System Specification

    The RTDs are to be treated as 'simple apparatus' intrinsically safe components - see EXPO 20MDOC1403X as attached. Users may decide to connect RTD monitoring circuits as 2-, 3- or 4-wire circuits as preferred. The temperature monitoring circuits themselves are provided by others.

  • Page 5: Minipurge ® Control Unit Data

    Minimum: 20 mbarg. Maximum: 35 mbarg. Default Setting: 25 mbarg. Tolerance: -0, +10%. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 6: Relief Valve Unit And Purge Outlet Valve With Integral Spark Arrestor

    4 kg (8.8 lbs) Note: Special settings are available on request, see Test and Inspection Sheet. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 7: Section 2: Quick User Guide

    Yellow On completion of an uninterrupted purge cycle of the required length, the system will indicate purge complete. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 8: Section 3: Application Suitability

    ® The following materials are used in the construction of MiniPurge systems. If substances that will adversely affect any of these materials are present in the surrounding environment, please consult Expo Technologies for further guidance. Materials of Construction Stainless Steel...

  • Page 9: Section 4: Description And Principle Of Operation

    Normal Operation Fault Condition - loss of pressure outside of CLAPS regulation ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 10: Section 5: Main Components

    The Electronic Timer contains an intrinsically safe battery pack that needs regular replacement. See Commissioning section. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 11: Purge Complete Valve

    The cable from the switch is terminated in the /PA terminal box. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...

  • Page 12: System Purging Switch (Optional)

    ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 13: Pa Terminal Box

    ® The MiniPurge is designed for use under normal industrial conditions of ambient temperature, humidity and vibration. Please consult Expo before installing this equipment in conditions that may cause stresses beyond ® normal industrial conditions.The MiniPurge system must be installed by a competent person in accordance with relevant standards, such as IEC / EN 60079-14, and any local codes of practice.

  • Page 14: Pipe Work

    There are volt free (dry) contacts available within the terminal box for remote usage. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 15: Power Supplies And Their Isolation

    Power to apparatus that is already suitable for use in hazardous locations need not be isolated by the ® MiniPurge system. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 16: Section 7: Commissioning

    Indicator turns green. This will activate the Purge Flow regulator and Purge Outlet Valve. The pressure will fluctuate as the Purge Outlet Valve opens/closes. This is normal. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...

  • Page 17: Normal Operation

    After this, the purge and pressurization sequence is automatic. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 18: Section 8: Maintenance Of The System

    To adjust the lift off pressure of the Relief Valve: • Attach test equipment as described in the Commissioning Section. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 19: Re-Calibration Of The Pressure Sensors

    • Turn clockwise to reduce the pressure setting and anti-clockwise to increase. • Replace sensor, screwing clockwise. • Reconnect all pipe work. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...

  • Page 20: Section 9: Fault Finding

    General Information If you are having problems that cannot be corrected using one of the methods described, please call Expo or your supplier for further assistance. If the system is less than 12 months old, parts under warranty should be returned to Expo for investigation.

  • Page 21: Relief Valve Opens (Continuously Or Intermittently)

    The intrinsically safe battery pack • Replace as necessary. is discharged ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...
  • Page 22 LOW TEMP SIZE 3 MOTORPURGE CIRCUIT AGM-PA00-159 LOW TEMP MOTORPURGE TERMINAL LAYOUT AGE-WC00-248 ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com...
  • Page 23 RTD Sensors Manufacturers Declaration EXPO 20MDOC1403X *Certificates attached to manual. ML601 | v2 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011 T: +1 (440) 247 5314 T: +86 532 8906 9858 E: sales@expoworldwide.com E:sales.na@expoworldwide.com...
  • Page 24 ± © l a i ± ± t i r ± ± • • • • • •...
  • Page 25 ± © l a i ± ± t i r ± ± " 2 " 8 " 8 " 2 " 8 " 8 " 8...
  • Page 26 ± © l a i ± ± t i r ± ± &...
  • Page 28 IF IN DOUBT ASK [ ] DENOTES IMPERIAL to be copied or communicated in part or in whole without written consent from Expo Technologies Limited, neither are they to be used in any way against our interests. FLATNESS TO BE LESS THAN X.XX ±0.1...
  • Page 29 IF IN DOUBT ASK [ ] DENOTES IMPERIAL to be copied or communicated in part or in whole without written consent from Expo Technologies Limited, neither are they to be used in any way against our interests. FLATNESS TO BE LESS THAN X.XX ±0.1...
  • Page 30 IF IN DOUBT ASK [ ] DENOTES IMPERIAL to be copied or communicated in part or in whole without written consent from Expo Technologies Limited, neither are they to be used in any way against our interests. FLATNESS TO BE LESS THAN X.XX ±0.1...
  • Page 31 IF IN DOUBT ASK [ ] DENOTES IMPERIAL to be copied or communicated in part or in whole without written consent from Expo Technologies Limited, neither are they to be used in any way against our interests. FLATNESS TO BE LESS THAN X.XX ±0.1...
  • Page 36 This Certificate does not replace the original EAC Document In accordance with SERCONS INTERNATIONAL Russian Certification Authority in Europe the company: Expo Technologies Limited, United Kingdom, Unit 2, The Summit Hanworth Road, Sunbury on Thames Sur-rey , TW16 5DB fulfills the necessary requirements to be certified according to EAC regulations.
  • Page 64 This declaration is issued for the electrical apparatus: In the Expo application, these sensors are expected to be connected to intrinsically-safe circuits. To that end, the sensors have been assessed by Expo Technologies as meeting the requirements of ‘simple apparatus’ as defined under IEC 60079-11:2011 Section 5.7.
  • Page 68 Expo Technologies USA Expo Technologies UK Expo Technologies China Expo Technologies Inc. Expo Technologies Ltd. Qingdao Expo M. & E. Technologies Co. Ltd 9140 Ravenna Road Unit #3 Unit 2 The Summit, Hanworth Road 617 Shillin Er Road Twinsburg, Sunbury-On-Thames,...

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