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EXPO MiniPurge D760-ES, Manual, Page: 24 / 52

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EXPO MiniPurge D760-ES Manual Download Page 24

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21

ML548_ES | v3

Expo Technologies UK

T: +44 (0) 20 8398 8011

E: [email protected]

Expo Technologies US

T: +1 (440) 247 5314

E:[email protected]

Expo Technologies China

T: +86 532 8906 9858

E: [email protected]

Section 13: Certifications

Download the certificates at www.expoworldwide.com or refer to ML497.

*Certificates attached to manual.

Component

Certificate Number

Purge System

ATEX Certificate

SIRA 01ATEX1295X

IECEx Certificate

IECEx SIR07.0027X

Ex e Terminal Box

ATEX Certificate

BASEEFA 06ATEX0117X *

IECEx Certificate

IECEx BAS06.0028X *

Electronic Timer

ATEX Certificate

FM 10 ATEX0003X 

IECEx Certificate

IECEx FME 10.0001X

Electronic Switches

Ex d limit switch

IECEx EPS 14.0092X

Ex d limit switch

EPS 14 ATEX 1766 X 

Heater

ATEX Certificate

KEMA 01ATEX2124 X *

IECEx Certificate

IECEx DEK 11.0017 *

Thermostat

ATEX Certificate

LCIE 99 ATEX 6017 X *

IECEx Certificate

IECEx LCI 07.0003X *

EPPS

ATEX Certificate

DEMKO 17ATEX1795X

IECEx Certificate

IECEx UL 17.0016X

RTD Sensors

Manufacturers Declaration

EXPO 20MDOC1403X

Summary of Contents for MiniPurge D760-ES

Page 1: ...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: ...Purge Valve 9 Purge Flow Regulator 10 CLAPS Sensor 10 CLAPS Regulator 10 Relief Valve Unit 10 PA Terminal Box 10 Thermostat and Heater 10 Section 6 Installation of the System 11 Relief Valve Unit 11 A...

Page 3: ...ML548_ES v3 ii Section 11 Glossary 20 Section 12 Drawings and Diagrams 20 Section 13 Certifications 21...

Page 4: ...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 If the log...

Page 5: ...t to 2 5 barg 36 psi Process Connections Purge supply and outlet to pressurized enclosure 1 NPT female Minimum supply line 25 mm 1 ID tube inlet sized appropriately for flow rate Reference points sign...

Page 6: ...barg 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 CLAPS sen...

Page 7: ...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 8: ...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 9: ...enclosure before pressurization Purging is the process of removal contaminated air and replacement with air or inert gas known to be free from flammable gas The duration of this purge process is norma...

Page 10: ...d 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 Flow Sensor monitors flow through t...

Page 11: ...This valve receives a signal from the purge timer that indicates the completion of the purge cycle and verifies that the pressurization signal is still present If both conditions are satisfied a signa...

Page 12: ...h is operated by the purge flow signal that allows a remote electrical system status indicator to signal that the system is purging sometimes referred to as purge in progress The cable from the switch...

Page 13: ...it When the system changes to leakage compensation mode the Purge Outlet Valve is closed and the enclosure sealed The Relief Valve Unit has an in built relief valve This is sized to ensure that if the...

Page 14: ...s might affect the calibration of the device In particular the exterior of the spark arrestor should not be painted or blocked in any way Air Supply Quality The MiniPurge system should be connected to...

Page 15: ...bove the minimum the Minimum Pressure Sensor re turns a positive pressurized signal causing the alarm indicator on the control unit to change from red to green When the pressure falls below the minimu...

Page 16: ...and all screws in the terminals are secure In all cases the application and isolation of power must be controlled by the MiniPurge system using the power interlock signal No switches are permitted bet...

Page 17: ...Pag 7 Check that the pressure gauge on main air supply reads 4 2 barg 61 psi 420 kPag 8 Check that the Pressure Relief Valve is correctly set by isolating the High Pressure Sensor and Purge Outlet Val...

Page 18: ...r until intermediate sensor causes contacts to open 18 Check reading on manometer matches calibration label on pressure sensor 19 Continue to reduce the CLAPS Regulator to test the minimum pressure se...

Page 19: ...s 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 un...

Page 20: ...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 21: ...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 22: ...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 23: ...y set to the value as stated on the Customer Test and Inspection Sheet S0015 018 Pressure gauge Air Supply Pressure 0 10 barg S0015 135 Miniature gauge Logic Pressure 0 4 barg AGE GE00 168 Electronic...

Page 24: ...01ATEX1295X IECEx Certificate IECEx SIR07 0027X Ex e Terminal Box ATEX Certificate BASEEFA 06ATEX0117X IECEx Certificate IECEx BAS06 0028X Electronic Timer ATEX Certificate FM 10 ATEX0003X IECEx Cert...

Page 25: ...QILGHQWLDO 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 QHLWKHU DUH WKH WR EH XVHG LQ DQ ZD DJDLQVW...

Page 26: ...17 7 21 6 2 1 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 FRSLHG RU F...

Page 27: ...5 752 31 80 7 32 5 6833 336 6 67 0 5 8 725 6 67 0 5 8 725 8 2 6833 5 8 725 2 6833 5 8 725 8 385 2 5 8 725 385 2 5 8 725 8 G 7 5 233 5 3 3 7 1 5 2 5 57 6 1625 0 17 5 57 6 1625 G 7 50267 7 5 1 352 7 21...

Page 28: ...1 2 76 5 9 1 7 7 1 72 72548 2 1P OEI LQ 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...

Page 29: ...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 STATED FLATNESS TO BE LESS THAN 0 4 OVER...

Page 30: ...RECOMMENDED MINIMUM SIZE FOR PURGE AIR DISTRIBUTION PIPEWORK ELECTRICAL SIGNAL VIA EEx e JUNCTION BOX B C D E F 8 5 7 6 4 3 1 2 3RD ANGLE PROJECTION The contents of this drawing document are Copyrigh...

Page 31: ...d IIC T6 OPTIONAL AC 15 4A 250V Ex d IIC T6 COMPLETE CONTACTS ALARM CONTACTS LOW PRESSURE HIGH PRESSURE INTERMEDIATE LOW PRESSURE SYSTEM PURGING PURGE PURGE INLET PRESSURE ENCLOSURE MOTOR ENCLOSURE PR...

Page 32: ...PPLY SUPPLY PT100 RTD SENSOR PT100 RTD SENSOR TYPICAL TYPICAL 4 WIRE BARRIER CONNECTION 4 WIRE BARRIER CONNECTION 1 SH SH B C D E F 8 5 7 6 4 3 1 2 3RD ANGLE PROJECTION The contents of this drawing do...

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Page 49: ...poworldwide com Expo Technologies Ltd Registered in England No2854600 www expoworldwide com Expo Technologies purge pressurization systems may incorporate temperature sensors based on platinum resista...

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Page 52: ...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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