Table of Contents
Advertisement
Quick Links
®
D818/ES MiniPurge
Manual
ML 511
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.
ML511_ES | v5
05 December 2024
Advertisement
Table of Contents
Related Manuals for EXPO MiniPurge D818/ES
Summary of Contents for EXPO MiniPurge D818/ES
- Page 1 Manual ML 511 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 ..............6 Section 5: Main Components ..................... -
Page 3: Section 1: System Specification
Pressurization Method LC = Leakage Compensation For limitations and conditions of use refer to the applicable certificates. ML511_ES | 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 4: Minipurge ® Control Unit Data
Purge Time: User selectable, in 1 minute intervals, up to 99 minutes (tolerance -0, +3 seconds). ML511_ES | 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: Relief Valve Unit And Purge Outlet Valve With Integral Spark Arrestor
4 kg (8.8 lb). Note: Special settings are available on request, see Test and Inspection Sheet. ML511_ES | 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 6: Section 2: Quick User Guide
Black Check stopwatch timing to verify that the actual purge time is equal to or greater than the required purge time. ML511_ES | v5 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011... -
Page 7: Section 3: Application Suitability
Where a risk of asphyxiation exists, a warning label must be fitted to the pressurized enclosure. 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. -
Page 8: Section 4: Description And Principle Of Operation
Normal Operation Fault Condition - loss of pressure outside of CLAPS regulation ML511_ES | 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 9: Section 5: Main Components
The EPPS is a flameproof/explosion proof and dust-tight module, which uses a limited amount of air from the logic system to generate sufficient intrinsically safe power to drive the Electronic Timer. When the Electronic ML511_ES | v5 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011... -
Page 10: Purge Complete Valve
The cable from the switch is terminated in the /PA terminal box. ML511_ES | v5 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011... -
Page 11: System Purging Switch (Optional)
(and must match the certification scheme for the motor). The main requirement is that IP66 (or better) ingress protection must be provided by use of seals or washers. ML511_ES | v5 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011... -
Page 12: 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 13: Pipe Work
The safe use of this switch is the responsibility of the user, all electrical installations must conform to local codes of practice. ML511_ES | v5 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011... -
Page 14: Section 7: Commissioning
• very slowly close Purge Flow Restrictor Valve until the purging indicator stops flashing yellow. • Take a reading from pressure gauge. 13.To set the purge flow rate: ML511_ES | 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 15: Normal Operation
After this, the purge and pressurization sequence is automatic. ML511_ES | 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 16: Section 8: Maintenance Of The System
• The adjustment is sensitive, and it is recommended that a turn (maximum) adjustments are applied between tests. ML511_ES | 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: Re-Calibration Of The Pressure Sensors
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 18: Fault Location
Flow sensor setting incorrect. • Check the pressure is correct on the flow sensor. ML511_ES | 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: System Begins Purging But Cycles Fail To Complete
Intrinsically Safe Leakage Compensation Power and Alarm Relief Valve Unit ML511_ES | 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 20: Section 12: Drawings And Diagrams
DEMKO 17ATEX1795X IECEx Certificate IECEx UL17.0016X *Certificates are attached to the manual. ML511_ES | 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 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 35 T : +44 20 8398 8011 E : euar@expopharma.ie E : sales@expoworldwide.com Expo Technologies Inc. Expo Technologies China Expo Technologies Inc. Qingdao Expo M&E Technologies Co. Ltd 9140 Ravenna Road Unit #3 617 Shilin Er Lu Twinsburg, Jimo District, Qingdao, OH 44087, USA...
Need help?
Do you have a question about the MiniPurge D818/ES and is the answer not in the manual?
Questions and answers