EXPO MiniPurge D758-ES Manual Download | Manualshive

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Summary of Contents for MiniPurge D758-ES

Page 1: ...w 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...

Page 2: ...S Regulator 9 Relief Valve Unit 9 PA Terminal Box 10 Section 6 Installation of the System 10 Relief Valve Unit 10 Air Supply Quality 10 Pipe Work 11 Multiple Enclosures 11 Provision and Installation o...

Page 3: ...Ex rules Directive 2014 34 EU or UKCA Regulations as applicable For further details refer to the applicable certificates 5 X LC ss ES OV PA PC Size 5 MiniPurge Purge flow rate 6000 NI min Approval Cer...

Page 4: ...5 mm 1 ID tube inlet sized appropriately for flow rate Reference points signals 1 8 NPT female minimum 6 mm pipe to be used Visual Indicators Alarm Red Pressurized Green System Purging 4 LEDs that fla...

Page 5: ...10 mbarg Tolerance 0 10 Note there must be a 2 5 mbarg difference between the intermediate and CLAPS sensor calibration point For example Minimum pressure 5 mbarg intermediate pressure 6 5 mbarg CLAP...

Page 6: ...in air supply pressure during the purge process Operation of the System Once the system is installed correctly turn on the air supply Refer to Commissioning section The purge system commences the purg...

Page 7: ...ay be used in IECEx and ATEX Zone 1 and or Zone 2 Categories 2 and 3 respectively MiniPurge systems may be used for hazards of any gas group Apparatus associated with the MiniPurge system such as intr...

Page 8: ...educed but remains high enough to compensate for the leakage of air from the enclosure whilst maintaining the minimum over pressure state In the event of pressure failure within the pressurized enclos...

Page 9: ...o reset and the Alarm Pressurized indicator turns Red The sensor is factory calibrated and set to operate in falling pressure at or above the minimum specified pressure Purge Flow Sensor The Purge Flo...

Page 10: ...e sent to the purge complete valve Alarm Only Circuit AO If the pressure in the pressurized enclosure is too low the system will normally cut off electrical power to it In certain circumstances where...

Page 11: ...nimum required flow rate The Purge Flow Restrictor must be readjusted during commissioning CLAPS Sensor This sensor monitors the pressure within the pressurized enclosure and sends a control signal to...

Page 12: ...points where air enters and exits the pressurized enclosure should normally be at opposite ends of the enclosure The RLV unit must be mounted vertically and there should be a minimum clearance of 300...

Page 13: ...ppropriate to the environment into which the system is installed No valve may be fitted in any signal pipe connecting the Control Unit to the pressurized enclosure This pipe work must be fitted in acc...

Page 14: ...must be replaced after any short circuit that occurs within the main circuit the switch is a piece of encapsulated equipment and as such it is not possible to check the state of the contacts Technical...

Page 15: ...ll disable all of the pressure sensors Using a 4 mm nylon tube connect a manometer to the bulkhead fitting from which the minimum pressure sensing pipe was removed Open the Purge Flow Restrictor Valve...

Page 16: ...operation of Minimum Pressure Sensor check readings on manometer as system will automatically re purge when it reaches minimum pressure 21 While the system re purges return the CLAPS Regulator to the...

Page 17: ...us is suitable for use in the hazardous location There are no unauthorised modifications The air supply is uncontaminated The interlocks and alarms function correctly Approval labels are legible and u...

Page 18: ...thread sealant If the thread has seized up remove to a safe area and heat slightly to soften prior to making any adjustment This prevents potential damage to the brass of the nozzle Disconnect pipe w...

Page 19: ...s been designed for ease of fault finding and many of the components fitted are plug in or chassis mounted Check components by substitution only after establishing that such action is necessary Before...

Page 20: ...uring purge Check air supply pressure at the inlet to the control unit Ensure that the supply pipe bore is suitable for the flow rate Pressurized Enclosure Excessive leakage from the pressurized enclo...

Page 21: ...06 Purge flow sensor factory set to 6 4 mbarg S0030 016 Minimum Pressure sensor must be factory set to the value as stated on the Customer Test and Inspection Sheet HSI 0160 000 Intermediate pressure...

Page 22: ...ystem Status Indication TP 518 058 WD 2 Component Certificate Number Purge System EU Declaration of Conformity SC004 UKCA Declaration of Conformity SC004 UK ATEX Certificate SIRA 01ATEX1295X IECEx Cer...

Page 23: ...2 67 1 66 67 8 77 1 6 67 1 66 67 5 1 352 7 21 7KH FRQWHQWV RI WKLV GUDZLQJ GRFXPHQW DUH RS ULJKW SR 7HFKQRORJLHV LPLWHG 7KH DUH WR EH WUHDWHG DV FRQILGHQWLDO DQG DUH UHWXUQDEOH XSRQ UHTXHVW 7KH DUH Q...

Page 24: ...85 7 0 5 752 31 80 7 32 5 6833 336 1 725 50 35 6685 1 725 6 67 0 385 1 0 1 385 28 1 725 7 50 1 5 7 50 1 6 203 17 3 7 50 1 2 67 1 66 67 28 9 6 1 3527 725 5 1 352 7 21 7KH FRQWHQWV RI WKLV GUDZLQJ GRFXP...

Page 25: ...to be treated as confidential and are returnable upon request They are not to be copied or communicated in part or in whole without written consent from Expo Technologies Limited neither are they to b...

Page 26: ...6mm I D 1 8 NPT TEST POINT NORMALLY PLUGGED 1 8 NPT PRIMARY ENCLOSURE PRESSURE 1 4 6mm I D B C D E F 8 5 7 6 4 3 1 2 3RD ANGLE PROJECTION The contents of this drawing document are Copyright Expo Techn...

Page 27: ...e they to be used in any way against our interests DIMENSIONS IN mm DENOTES IMPERIAL WEIGHT Kg TITLE DO NOT SCALE IF IN DOUBT ASK FINISH MATERIAL A3 SCALE DRAWING STATUS A TOLERANCES UNLESS OTHERWISE...

Page 28: ...55 C 250V 4A AC 15 SYSTEM PURGING CONTACTS GREY BLACK BROWN 1 2 3 4 B C D E F 8 5 7 6 4 3 1 2 3RD ANGLE PROJECTION The contents of this drawing document are Copyright Expo Technologies Limited They ar...

Page 29: ...IF IN DOUBT ASK FINISH MATERIAL A3 SCALE DRAWING STATUS A TOLERANCES UNLESS OTHERWISE STATED FLATNESS TO BE LESS THAN 0 4 OVER ANY 100mm LENGTH ANGLE STD 1 MOD REVISION DRAWN CHECKED APPROVED DATE DR...

Page 30: ...76 72 68 7 0 02817 1 7 6 5 1 352 7 21 7KH FRQWHQWV RI WKLV GUDZLQJ GRFXPHQW DUH RS ULJKW SR 7HFKQRORJLHV LPLWHG 7KH DUH WR EH WUHDWHG DV FRQILGHQWLDO DQG DUH UHWXUQDEOH XSRQ UHTXHVW 7KH DUH QRW WR EH...

Page 31: ...ORZ 2 ODFN 3XUJH IORZ WRR ORZ 3XUJH ORZ 6HQVRU WXUQV RQ HV 1R 3XUJH 2XWOHW IORZ DERYH WKH PLQLPXP 5HOLHI 9DOYH RSHQV 3XUJH IORZ VWDUWV 3UHVVXUL HG VLJQDO WR UHPRWH DODUP VZLWFK 35 6685 1 725 UHHQ 3UHV...

Page 32: ...QRORJLHV LPLWHG 7KH DUH WR EH WUHDWHG DV FRQILGHQWLDO DQG DUH UHWXUQDEOH XSRQ UHTXHVW 7KH DUH QRW WR EH FRSLHG RU FRPPXQLFDWHG LQ SDUW RU LQ ZKROH ZLWKRXW ZULWWHQ FRQVHQW IURP SR 7HFKQRORJLHV LPLWHG Q...

Page 33: ...o further guidance for the selection of cable and cable glands or conductors in conduit When the MIU e application requires the hazardous area marking code Ex eb IIC T4 Gb Tamb 20 C to 60 C the user s...

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Page 36: ...19ATEX0542X...

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Page 39: ...chnologies UK Expo Technologies Ltd Unit 2 The Summit Hanworth Road Sunbury On Thames TW16 5DB UK T 44 20 8398 8011 F 44 20 8398 8014 E sales expoworldwide com Expo Technologies China Qingdao Expo M E...

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