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SP2 SmartPurge
Manual
ML662
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.
ML662 | v1
29 April 2024
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Table of Contents
Related Manuals for EXPO SmartPurge SP2
Summary of Contents for EXPO SmartPurge SP2
- Page 1 Manual ML662 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.
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Page 2: Table Of Contents
Section 1: System Specification ....................1 1.1: SmartPurge Control Unit ..........................1 1.2: SmartPurge Control Unit Data ........................1 1.3: Electrical Ratings ..............................2 Section 2: Application Suitability ....................3 Section 3: Description and Principle of Operation ..............3 Section 4: Main Components ...................... 4 4.1: SmartPurge Controller ............................4 4.2: Air Supply Unit ..............................4 4.3: Purge Outlet Unit ...............................5... -
Page 3: Section 1: System Specification
Ex eb ib mb [ib Gb] [pxb Gb] IIC T4 Gb Ex tb [pxb Db] IIIC T135ºC Db -20°C to +60°C ML662 | v1 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: Electrical Ratings
0.009 Override 7, 8 5.88 negligible 0.009 ML662 | v1 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 E: qingdao@expoworldwide.com... -
Page 5: Section 2: 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 SmartPurge systems. If substances that will adversely affect any of these materials are present in the surrounding environment, please consult Expo Technologies ltd for further guidance. -
Page 6: Section 4: Main Components
SP2-Fx Model This system is designed primarily for use when the purge gas is supplied by a fan (not supplied for Expo). Via a customised calibrated orifice plate, the SP2-Fx measures the differential pressure from the high and low pressure points across the orifice plate to detect the suitable purge flow of the enclosure. -
Page 7: Purge Outlet Unit
4.4: Accessories Cable Gland Kit – SP2-GK An Expo recommended set of cable glands for field wiring. M16 Gland for cable of outer diameter 4 – 8.4 mm and M20 Gland for cable of outer diameter 7.2 – 11.7 mm Override Switch –... -
Page 8: Hazardous Area Safety
2. Position in the orifice plate in over the purge air entry in the back of the SmartPurge Controller. Secure in place using the 2 screws supplied. Refer to Figure 1 for guidance. ML662 | v1 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011... - Page 9 10-600 (0.35-21.2)* 1-4 (14.5-58) *Based on flow test with 6mm ID pipe and 4Bar supply. ML662 | v1 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...
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Page 10: Smartpurge Controller Mounting
Record the selections made and mark the flow range selected on the label with an indelible marker. Only standard Expo outlet orifices should be used. Consult EXPO if a custom orifice/flow rate is required. 5.7: SmartPurge Controller Mounting •... -
Page 11: Purge Air Inlet And Outlet
• Pipe work to and from the air supply unit must be sized to provide adequate airflow with the minimum pressure drop. ML662 | v1 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011... - Page 12 4. Connect a pipe into the enclosure from the Enclosure Pressure connector on the side of the controller. Note: 1/8” fittings are used on the side of the controller. Use appropriately sized pipe. ML662 | v1 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...
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Page 13: Section 6: Commissioning
Note: When turning ON, the system will first show the serial number. Check this corresponds with the system documentation and label. Contact Expo Technologies if there are any differences. 3. Slowly open the Air Supply Unit adjustment valve to allow the enclosure pressure to build up above the set minimum pressure, the display will change to Purge Flow Low. -
Page 14: Section 7: System Flow Rates
Note: When turning ON, the system will first show the serial number. Check this corresponds with the system documentation and label. Contact Expo Technologies if there are any differences. 3. Once the enclosure has been pressurised and flow rate reached, the SmartPurge will enter purge mode. -
Page 15: Sp2-Cf-2 Supply Pressure Vs Flow Rates
*2m and 0.5m – connection length between CF kit and Enclosure 7.3: SP2-CF-2 Enclosure Pressure vs Flow Rates ML662 | v1 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: Configuration / Parameters
To revert back to the previous menu press the button. ML662 | v1 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 ML662 | v1 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 E: qingdao@expoworldwide.com...
- Page 18 Successful entry of the password will change the system language. C: Settings Display ML662 | v1 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 • The Maintenance Password is fixed by Expo, and is not available to general users, as this password controls access to the pressure sensor and flow rate calibration system.
- Page 20 Down button on the keypad. A message will be displayed to ask for confirmation that the power is to be turned off. ML662 | v1 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...
- Page 21 Purge Start signal has not been received or there is insufficient Purge Flow being measured in the purge air exit valve. ML662 | v1 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...
- Page 22 . Early escape is only possible provided all the parameters remain consistent with correct operation. Note: Not all of the parameters listed below will be relevant to the purging method selected. ML662 | v1 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...
- Page 23 Where an I/P supply valve is used the Enclosure Target Pressure is maintained by Pressure the valve after purge complete. ML662 | v1 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 24 • The purge time has a minimum value of 1 minute. The user can amend the purge time to a larger value than the one calculated by the system. ML662 | v1 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011...
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Page 25: Operational Strategies
8.2: Operational Strategies ML662 | v1 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 E: qingdao@expoworldwide.com... -
Page 26: Section 9: Maintenance Of The System
The condition of the connections and cable glands should be checked by suitably qualified personnel. This may be required more frequently depending on environment. ML662 | v1 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011... -
Page 27: Re-Zeroing Of The Flow And Pressure Sensors
Press 4 times to return to main menu 9.3: Repairs If the SmartPurge needs repairs, these should be carried out by an Expo Service Person. ML662 | v1 Page Expo Technologies UK Expo Technologies US Expo Technologies China T: +44 (0) 20 8398 8011... -
Page 28: Section 10: Fault Finding
Restart the system. PIC failure” If all checks have been carried out and the system still does not perform as expected, contact your local distributor or Expo Technologies. ML662 | v1 Page Expo Technologies UK Expo Technologies US... -
Page 29: Section 11: Recommended Spare
SmartPurge 2 Intrinsically Safety Control Drawing Canada SD8113 1 of 1 ML662 | v1 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 30: Section 13: Certification
IECEx IECEx_DEK_11.0038X IS SOV (SP2-DV) ATEX DEKRA 11ATEX0091X ML662 | v1 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 64 System SP2’ Designed and manufactured by Expo Technologies Ltd Summer Road, Thames Ditton, Surrey, KT7 0RH, UK The above system has been assessed and is considered capable for use in a SIL2 high demand safety function. The assessment was based on the assumptions and data provided ESC Ltd Report No.
- Page 72 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...
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