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EXPO MiniPurge D826-ET Manual

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®
D826-ET MiniPurge
Manual
ML 533
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.
ML533 | v5
19-July-2021

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Summary of Contents for EXPO MiniPurge D826-ET

  • Page 1 Manual ML 533 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 3: 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 ................6 Section 5:Main Components ........................8 Air Supply Filter / Regulator ...............................8 Logic Air Supply Regulator ..............................8...

  • Page 4: Section 1: System Specification

    Class I Div 1 Groups B C & D Type X Pressurization -20ºC to +55ºC ML533 | v5 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 5: Minipurge ® Control Unit Data

    Default Setting 99 minutes. Weight: 58 kg (127.9 lb). ML533 | v5 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 6: Relief Valve Unit And Purge Outlet Valve With Integral Spark Arrestor

    Rectangular cut-out and fixing holes as per drawing. Weight: 7 kg (15.4 lb). ML533 | v5 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. ML533 | v5 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

    Secondary Pressure Sensor to allow the Control Unit to sense a low pressure fault in the Motor Terminal Box. See Section 6, Multiple Enclosure. ML533 | v5 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...
  • Page 10 Normal Operation Fault Condition - loss of pressure outside of CLAPS regulation ML533 | v5 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: Section 5: Main Components

    The Electronic Timer contains an intrinsically safe battery pack that needs regular replacement. See Commissioning section. ML533 | v5 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 12: Purge Complete Valve

    “Purge Complete” signal; it remains in the closed position until the next purge cycle is initiated. ML533 | v5 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...

  • Page 13: Claps Sensor

    Cable entry methods (for example conduit or cable glands) must be certified to Class I Div 1 standards. The main requirement is that NEMA 4X or better ingress protection must be provided by use of seals or washers. ML533 | v5 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...

  • Page 14: Section 6: Installation Of The System

    ® 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 15: Pipe Work

    (dry) contacts within the pressurized enclosure. This is commonly achieved using the Power Interlock Switch. ML533 | v5 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...

  • Page 16: Section 7: Commissioning

    • The flashing yellow indicator confirms the correct flow rate. • The differential pressure should be greater than 6.4 mbarg. ML533 | v5 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 17: Normal Operation

    After this, the purge and pressurization sequence is automatic. ML533 | v5 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. ML533 | v5 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. ML533 | v5 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 ML533 | v5 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: Section 10: Recommended Spares List

    D826 Hook Up, P and I Diagram) CONNECTION DIAGRAM FOR AMU-ABS4-001 SD8355 ML533 | v5 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 SA body) Compensation Valve” (LCV) which is adjusted so that the flow is enough to compensate for any leakage from the PE. ¤ ¤ Expo Technologies Limited Page 1 of 7 ML384 Issue 03 – 09.01.13...

  • Page 24: Section 13:Fm Ml384 Manual

    No valve may be fitting shall be fitted externally. In addition, for "Y" and fitted in any tube connecting the Expo system to the PE. "Z" Pressurization systems, a suitable indicator shall be provided.
  • Page 25 Pressure Sensor settings, are used (please ask Expo if in doubt). flow rates and purge time. Note: No valves may be fitted between the Expo system 1.5.2 Other marking, for the PE, required by the and the alarm switch.
  • Page 26 LCV slowly observing the manometer or gauge (see as follows: item 2.1.3 above). The PE pressure will start to fall as the 2.3.1 Open the supply shutoff valve. ¤ ¤ Expo Technologies Limited Page 4 of 7 ML384 Issue 03 – 09.01.13...
  • Page 27 PE as 2.3.10 “Y” and “Z” purge systems do not control the shown on the PE or Expo system nameplate. enclosure power. It is the responsibility of the user to Never turn on the power without purging first unless...
  • Page 28 Is there debris stuck on the face of the Relief Valve dealt with below. If a cure cannot be effected by following disk, perhaps held there because of the magnetic the procedure shown below please call Expo (24 hour material? answering) or your supplier for further assistance.
  • Page 29 Purge Flow Sensor needs re-calibrating it can either be point to the Purge Flow Sensor is not air-tight e.g. fitting returned to Expo for this service or it can be done by nuts not tightened or tube damaged. Check and repair as the user as follows: necessary.

  • Page 30: Appendix A: Certifications

    Breather Drain UL Listing EBNV.E10444* *Certificates are attached to the manual. ML533 | v5 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 31 [ ] DENOTES IMPERIAL IF IN DOUBT ASK 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 32 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 33 [ ] DENOTES IMPERIAL IF IN DOUBT ASK 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 34 The contents of this drawing / document are Copyright © Expo Technologies Limited. They are to be treated as confidential and are returnable upon request. They are not IF IN DOUBT ASK 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. TERMINAL...
  • Page 39 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 42: Certificate Of Compliance

    FM Approvals a = Model size 1, 2, 3, 4, 5 or 6. 1151 Boston Providence Turnpike b = Enclosure type cs, ss, bp, pm or nm. P.O. Box 9102 Norwood, MA 02062 USA c = Option code AA, AC, AO, AS, CT, DS, DT, ET, IS, FM, MO, MT, NO, OA, OB, OC, OS, OV, T: 781 762 4300 F: 781-762-9375 www.fmapprovals.com PC, PN, PO, SS, TW, and/or **.
  • Page 43 Outlet Orifice. hazardous (classified) locations to be used to reduce the internal area of a connected enclosure to a Class II, Division 2, Group F and G hazardous (classified) location in accordance with Expo 11. aZDPbc. Mini-Z-Purge Type DP Control System.
  • Page 44 This certifies that the equipment described has been found to comply with the following Approval Standards and other documents: FM Class 3600 2011 FM Class 3610 2010 FM Class 3615 2006 FM Class 3620 2014 ANSI/NFPA 496 2013 Original Project ID: Approval Granted: 1X8A4.AE Subsequent Revision Reports / Date Approval Amended...
  • Page 45 FM Approvals b = Enclosure type cs, ss, bp, pm or nm. 1151 Boston Providence Turnpike c = Option code AA, AC, AO, AS, CT, DS, DT, ET, IS, FM, MO, MT, NO, OA, OB, OC, OS, OV, P.O. Box 9102 Norwood, MA 02062 USA PC, PN, PO, SS, TW, and/or **.
  • Page 46 (classified) locations to be used to reduce the internal area of a connected enclosure to arrangements. a Class II, Division 2, Group F and G hazardous (classified) location in accordance with Expo Note: All CFHP Systems must include an RLV Series Relief Valve matched to the specific Technologies Installation, Operation and Maintenance Manual ML386 DP.
  • Page 47 This certifies that the equipment described has been found to comply with the following Approval Standards and other documents: ANSI/NFPA 496 2013 CSA C22.2 No 25 1966 CSA C22.2 No 30 1986 CSA C22.2 No. 157 1992 Original Project ID: 1X8A4.AE Canadian Project ID: 3052954 Approval Granted:...
  • Page 48 = sub module conditions of use specified in the schedule to this certificate. 1 = Timer Module powered by Expo Battery Pack 2 = IS Power Supply This certificate relates to the design, examination and testing of the products specified herein. The FM...
  • Page 49 SCHEDULE Canadian Certificate Of Conformity No: FM16CA0176X 2. The Electronic Timer shall be installed within an enclosure which provides protection against impact. 3. The Enclosure shall be metallic providing a minimum IP20. 4. For light alloy enclosures, materials shall not contain, by mass, more than 7.5% in total of magnesium, titanium and zirconium.
  • Page 50 = sub module Approvals surveillance audit program has further determined that the manufacturing processes and quality 1 = Timer Module powered by Expo Battery Pack control procedures in place are satisfactory to manufacture the product as examined, tested and Approved.
  • Page 51 SCHEDULE US Certificate Of Conformity No: FM16US0373X 2. The Electronic Timer shall be installed within an enclosure which provides protection against impact. 3. The Enclosure shall be metallic providing a minimum IP20. 4. For light alloy enclosures, materials shall not contain, by mass, more than 7.5% in total of magnesium, titanium and zirconium.
  • Page 52 FTQH7.E302348 - Enclosures for Use in Zone Classified FTRV.E302348 - Enclosures for Use in Hazardous Locations Hazardous Locations Certified for Canada Enclosures for Use in Hazardous Locations Enclosures for Use in Zone Classified Hazardous Locations Certified for See General Information for Enclosures for Use in Hazardous Locations Canada FEAM SRL E302348...

  • Page 59: Eu Declaration Of Conformity

    MiniPurge Systems are manufactured under Production Quality Assurance Notification 99ATEXM043, issued by CSA Group (Netherlands) B.V. (EU Notified Body No. 2813). Technical documentation and assessments are in the Expo Technologies confidential technical file SC004. For and on behalf of Expo Technologies Ltd...
  • Page 60 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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