Size 1 Cabinet Cooler Manual
Contents
1. g Cabinet Cooler Vortex Size 1 Handbook ML374 CONTENTS 1 General Instructions 2 Specification 3 Certification Data 4 Application Suitability 5 Installation 6 Commissioning 7T Maintenance 8 Operational Testing 9 Fault Finding 10 Drawings and Documents ML374 V11 16 06 15 Page 1 of 6 1 GENERAL INSTRUCTIONS When a Cabinet Cooler is required all potential sources of heat generation should be taken into account Example When an enclosure is in direct sunlight installing a sun shade and possibly thermal insulation would reduce the solar heating considerably If a Cabinet Cooler is required the following must be considered Principle of Operation The Cabinet Cooler Vortex type works by using a compressed air supply and spinning the air into a chamber at very high RPM This splits the air into a hot and cold fraction The hot fraction of air is exhausted outside the enclosure The cold fraction is vented into the enclosure and ultimately has to be vented out of the enclosure 2 SPECIFICATION Power Supply 110 Vac 230 Vac 50 60Hz as per model ordered 24 Vdc AVC 0000 001 110 Vac Version AVC 0000 003 24 Vdc Version Air Supply 60 100 psi 4 7 barg 25scfm 708Nl min at 100psi 7barg Maximum of 40 C 104 F For version with Tamb 20 C to 40 C Maximum of 55 C 131 F For version with Tamb 20 C to 55 C Cooling Capacity 300 W at 100psi 7 barg Temperature Control Electronic 2 C 3 6 F Maximum2. WALSAS 39YNd VIA ANANA GION31OS Q31T10u LIN OO ZH09 0S 28A OEZ YO OTT dd JAIVA GION3T1IOS 8 S OST YOSNAS dq3univuddwWwail TIVM3ufnsOTloN3 dQ3LSI ML ONOI UT Sad IA Z NI TZ i31OH HLO5N31 YWOOLANVY Hd3AOUUFEONVHISS3138O0L1SS3NI1V14J siseio u1nojsue 8e Ken Augu posnoq q Koy oie OFT OV1d 0302 NOILOArOud Je qleu palwiy seGojouyoey odxg uojiuesuoo uon MINOY M g oum ULLOJIed u pereoiunu uoo o peidoo eq Alou 3e Kay 1s5onbojuodn 31V9 LON OG pe olLoaro zo 3aov1dO30 L sSaoNvu31lO1 3195NV PLE lqeuim i ie puvjenuopjuoo se parean qo je Aay parui s i6olouuoo l odxggiruDiiKdoo ojejueunoop Du meip SIJO suauoo ou ww NISNOISN3MWIG SOF 30V1d O30 ON Gals o3ds N n XM JOA72 83100 X3L80A C e pars seva avo 98 oo i NM es aomn emus peur sejBojouuoe 1 odx3 wene ra een Qa3ziunssaud ViuVv ddvs udHSVM ANV LAN GNV19 AYNSOTOINA GAZI YNSSAUd AHL dO 35V4 AYLNA AHL NO Y41009 L13NIS8VO AHL OL 1N32V GV qaHOv l lv 38 LSNW 138Vl SIHL CTO OMAZ VIN 138V1 HLIM G3llddfs VERTICAL 9T TT v 6TT TIVM 3uflsO 12N3 91 6 8 LIZ IVO ILUdJA 38 SAY MIV Viuv LSAW GaLV u3dO ALIAVu9 SNOQGYVZVH dlv G109 Y Od HATIVA AVM 3NO SALON Nid Y AadWVL ILNV 38 l XALYOA gt c Uu gt r m YddTddNW LSQnVHX3 YIV LOH LNIOd 13S 3SV3WONI OL 3S1 M32 012 9NILI3S aun 1v u3d Wa 8 S L v6 340 NO G31 IRANO LcTl2dl AOS VUO9O9T 3SN4 4 QNV AlddNS GION31OS
3. Air Outlet 130 C 266 F Temperature Weight 1 5kg 4lbs Hazardous Area T Class T4 or T3 at 55 C 131 F or at 40 C 104 F ambient as ordered When housed inside IP54 NEMA 4 enclosure or better 3 CERTIFICATION DATA Cabinet Vortex Coolers are certified under Declaration of Conformity EXPO 12ATEX1212X against EN13463 1 2009 Non electrical basic methods and requirements Vortex Coolers are suitable for use in Hazardous Areas where Equipment Group II Category 2G is required when installed within a pressurized enclosure and the following instructions are adhered to WARNING The device adjuster screw located beneath the air silencer muffler has been pinned to limit the maximum exit air temperature Any un authorised adjustment of the slotted valve will automatically invalidate the use of this product in a hazardous area After assembly of the Cabinet Cooler on to an Ex p X Y or Z enclosure this Cooler muffler must be replaced onto the exhaust of the Vortex Tube which is located in the Hazardous Area in such manner that can only be removed by the use of a tool It is responsibility of the user to ensure that the Cabinet Vortex Cooler is sufficiently earthed to the enclosure ensuring that any static charge created is discharged safety to the enclosure ML374 V11 16 06 15 Page 2 of 6 4 APPLICATION SUITABILITY e As the Cabinet Cooler displaces air care should be given on installations where movement of dust may be an issue Zone 21
4. LNdLNO u3MOd 4c T 168 Tal 8 1 3ATVA WALSAS 39YNd VIA GION31OS GATTOYLNOD PAvC Add ANIVA GION3T1IOS 8 S OST YOSNAS d3univuddwail TIVM3ufnsOTloN3 dQ3LSI ML ONOI UT Sad IA Z NI TZ i31OH HLO5N31 YWOOLANVY Hd3AOUUFEONVHISS3138O0L1SS3NI1V14J sise1eju1noisue Be Kem Augu p sn q oa Kou ose OFT OV1d 0302 NOILOArOud 10 oU palwi7 seiBojouuoo1 odx3 uogiuosuoo uoi mi nouy n oou m uror ed u poreoiunu uoo jo peidoo oq qiou cit four 15onboruodn 31V9S LON OG SLES aro z0r3ovidoad S30NVH3101 3159NV pig e qeuimo oe puejenuopyuoo se pereen oq or oie ou parui seibojou yos odxg GI UHI doo oieiuounoop Bu meip SIJO sua uoo 8Y L uu NISNOIS N3MI G SO 3OV1dO3a3 QON qaldOadS N h Declaration of Conformity Expo Technologies Document Number EXPO 12ATEX1212X 1 This declaration is issued for the electrical apparatus Cabinet Vortex Coolers Models AVC 0000 Manufacturer Expo Technologies Ltd Surrey KT7 ORH UK This electrical apparatus and any acceptable variation thereto is specified in the Annex to this certificate and the documents therein referred to This declaration and schedule confirms compliance of each unit with the following standards EN 13463 1 2009 Non electrical basic methods and requirements This apparatus fulfils all the requirements for Group II Category 2 equipment in accordance with European Directive 94 9 EC The design is documented in Expo Technologies Technical Construct
5. Tamb 55 C TP 518 090 WD Size 1 Cabinet Vortex Cooler ML374 Size 2 Cabinet Vortex Cooler ML471 Size 1 Ex nA Cabinet Vortex Cooler ML463 15 Certificate History Issue Date Comment 0 10 September 2012 Initial release of certificate 1 21 November 2012 Introduction of the following variations Extra models included Ex nA models T3 Temperature Class permitted Page 3 of 3 Summer Road Thames Ditton Surrey KT7 ORH UK T 44 0 20 8398 8011 F 44 0 20 8398 8014 E info expoworldwide com Expo Technologies Ltd Registered in England No2854600 www expoworldwide com CE Wih Declaration of European Conformity Directives Expo Technologies Ltd Hanworth Road Sunbury on Thames TW16 5DB UK This document confirms that Cabinet Coolers manufactured by Expo Technologies Ltd conform as described to the following European Directives and standards 89 336 EEC Electromagnetic Compatibility Directive 73 23 EEC Low Voltage Directive 97 23 EC Pressure Equipment Directive PO Tafa Signed Date 02 01 2013 Managing Director Confidential Assessment file reference SC007 S Files QA CERTS C OF C Cabinet Cooler CE SC007 V2 doc Expo Technologies Ltd Tel 44 0 20 8398 8011 Unit 2 The Summit Fax 44 0 20 8398 8014 Hanworth Road E mail sales expoworldwide com Sunbury on Thames TW16 5DB Expo Technologies Inc Tel 1 888 NFPA 496 9140 Ravenna Road Unit 3 Tel 1 440 247 5314 Tw
6. amp 22 or Class Il e The following materials are used in the construction of Cabinet Cooler 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 e Stainless Steel e Polyamide e Mild carbon Steel e Epoxy Resin e Brass e ABS e Copper e PVC e This equipment 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 e The Cabinet Cooler is not silent in operation 5 INSTALLATION General Notes When installing a Cabinet Cooler into a Pressurized Enclosure the following issues should be considered e For use in Zone 1 Category 2 applications the user shall ensure that the maximum regulator pressure even under fault condition does not exceed 7 barg e A second Relief Valve unit may be required to exhaust the cold fraction entering the Pressurized Enclosure This second Relief Valve unit will need to be set at a higher lift off pressure than the Relief Valve unit supplied with the MiniPurge Control Unit This is to ensure that the operation of the MiniPurge is not interfered with e The second Relief Valve unit must also be capable of exhausting the full flow rate of the cold fraction This is typically between 20 80 of the air suppl
7. asionally dirty or very wet air causes ice build up within the enclosure leading to intermittent operation and water within the enclosure If the system does not work at all check the fuse has not blown Ensure the temperature setting has not been tampered with Ensure the air exhausts are not blocked 10 DRAWINGS AND DOCUMENTS TITLE Drawing Number Cabinet Cooler Assembly AV C 0000 001 Cabinet Cooler Assembly AV C 0000 003 ATEX Declaration of Conformity EXPO 12ATEX1212X ML374 V11 16 06 15 Page 6 of 6 100 0000 2AV HSINIJ DEO A 843SSV 93100 X3180A Eur suse trae nueve ae df ono WOQGON G31NI Nn ew GOW arish peur serBojouuoo 1 odx3 sane 3 eta SLY Od dS8 v TI SAO ML E yw TTE O31138 1833 enivre onmo gay neo ma wa sa aw esssav a3ziunssaud ViuVv ddvs udHSVM ANV LAN GNV19 91 11 v 611 AYNSOTOINA A3ZIYNSSJ Yd JHL dO 35V4 AuLN3 AHL NO ud1000 L13NIS8VO AHL OL 1N32V GV qaHOv l lv 38 LSNW 138Vl SIHL CTO OMAZ VIN 138V1 HLIM G3llddfs VERTICAL TIVM 3uflsO 12N3 91 6 8 LIZ TWOILYAA 38 SAY MIV Vawv LSAW da LY u3dO ALIAVu9 SNOQGYVZVH div G109 Y Od AATIVA AVM 3NO SALON Nid Y AadWVL ILNV 38 nl XALYOA gt g c Uu gt m YddTddNW LSQnVHX3 YIV LOH LNIOd 13S 3SV3UONI OL 3SIA3D2 0120 ONILLAS JYNLVYAdWAL 8 S L v6T udllOulNOO 440 NO G31 Lc TOdAl AOS VWO9T ASN 4 QNV AlddNS z T 68 GI ON310S LNdLNO u3MOd Tal 8 1
8. ealing with the Heat produced by the Vortex Cooler specifically the silencer muffler after testing 2 CORE CABLE 1M LONG TEMPERATURE e Ensure that all wires are connected and s terminated properly e T 24M dc 110Vac 240Vac FFV SOLENOID VALVE L 182 e Use hot water to heat the temperature sensor It may be easier to temporally remove the Ap IH temperature sensor if convenient from the ES m OUTPUT SOLENOID s enclosure wall The vortex cooler will start to run Eo on o F V when the temperature sensor exceeds 55 C N xem SETTING CLOCKWISE TO INCREASE SET POINT e After around one minute if a temperature differential of more than typically 10 C can be measured at the Cold outlet the vortex cooler can be considered working e Finally remove the temperature sensor from the hot water and once given sufficient time to cool the vortex cooler flow will stop Replace the temperature sensor back to its original position e lf the vortex cooler fails to start consult Expo Technologies or your local representative 1 e Hot exhaust outside enclosure I Cold outlet inside enclosure Temperature sensor ML374 V11 16 06 15 Page 5 of 6 9 FAULT FINDING The most common fault is a lack of air supply due to either low air supply pressure or poor flow rate Poor flow is because of too small pipe work long pipe lengths or small fittings Occ
9. ed from the Hot air Muffler and out of the enclosure Relief Valve e The Solenoid Valve will close once the set temperature has been reached 7 MAINTENANCE The Cabinet Cooler has no moving parts Clean compressed air moving through the tube will not cause wear on the parts and will provide the same service for an indefinite period of time Occasionally dirt water or oil may enter the tube from the compressed air supply and hinder the performance When this happens simply take the unit apart clean the parts and reassemble tightly replacing the cold end cap to properly seat the generator The Solenoid Valve is also maintenance free and should be replaced if a fault does occur ML374 V11 16 06 15 Page 4 of 6 8 OPERATIONAL TESTING This section describes the functionality test to ensure correct mechanical operation wiring and electrical continuity Warning Do not open enclosure when an explosive atmosphere is present Only carry out this test in a safe environment Equipment Required As a minimum requirement the following will be required Vortex Cooler 110Vac 250Vac or 24Vdc Power Supply dependent on model 7 bar Air supply Hot source e g hot water temperature above 55 C Calibrated thermometer digital Procedure Only complete the following procedure if trained and suitably skilled in the safe use and testing of 0 250V electrical equipment and pneumatic equipment rated up to 10barg Ensure precautions are taken when d
10. insburg Fax 1 330 487 0611 OH 44087 E mail sales na expoworldwide com USA www expoworldwide com
11. ion File number SC30 and Intertek Reference G100975170 The apparatus marking Il 2G T4 or T3 Tamb 20 C to 40 C or Il 2G T4 or T3 Tamb 20 C to 55 C For and on behalf of Expo Technologies Ltd Thames Ditton 21 November 2012 Z Sarah Wickson Certification Engineer Page 1 of 3 Summer Road Thames Ditton Surrey KT7 0RH UK T 44 0 20 8398 8011 F 44 0 20 8398 8014 E info expoworldwide com Expo Technologies Ltd Registered in England No2854600 www expoworldwide com Annex to Declaration of Conformity EXPO 12ATEX1212X 1 10 11 12 Description The Expo Technologies Cabinet Vortex Cooler provides cooling for enclosures using compressed air Cooling may be required either to remove heat generated by the contents of the enclosure or to compensate for high ambient temperatures There are two types of Cabinet Vortex Coolers Models AVC 0000 001 AVC 0000 002 amp AVC 0000 003 have been designed for use in Zone 1 and Zone 2 Categories 2 and 3 Group IIC applications in Enclosures protected by Pressurization types px py or pz Models AVC 0000 006 AVC 0000 007 amp AVC 0000 012 have been designed for use in Zone 2 Category 3 applications and has been assessed as Ex nA mc IIC refer to EXPO O9ATEX1122X The Cabinet Vortex Cooler is provided with a solenoid valve and a temperature sensor Specification Air supply 4 7 barg Supply voltage 110 230 Vac or 24 Vdc Cooling capaci
12. land No2854600 www expoworldwide com Annex to Declaration of Conformity EXPO 12ATEX1212X 1 13 Hazards identified Continuation The hazard presented by potential electrical sparks that could escape into the potentially explosive atmosphere through the Vortex tube is prevented by a tortuous path of minimum two 45 degree bends Additionally the silencer muffler may have double brass mesh which prevents the discharge of metal chips abrasive grits dusts and other contaminates Due to the movement of air through the Cabinet Vortex Cooler static electricity could be produced and ignite the potentially explosive atmosphere A special condition of safe use for this certificate states the user shall ensure the Cabinet Vortex Cooler is sufficiently earthed to the enclosure ensuring that any static charge created is discharged safety to the enclosure 14 Documentation Description Document number Issue Date AVC 0000 001 General arrangement AVC 0000 001 6 14 12 11 AVC 0000 002 General arrangement AVC 0000 002 2 13 1 09 AVC 0000 003 General arrangement AVC 0000 003 2 14 12 11 AVC 0000 006 General arrangement AVC 0000 006 3 12 10 12 AVC 0000 007 General arrangement AVC 0000 007 2 12 05 09 AVC 0000 012 General arrangement AVC 0000 012 1 9 10 12 Test Procedures amp User Manuals Number Test Procedure Cabinet Cooler Tamb 40 C TP 518 031 WD Test Procedure Cabinet Cooler
13. rial from the air supply allowing virtually maintenance free operation The use of an oil filter with an effective filtration of 0 01 micron will remove the oil droplets for an even cleaner air supply Keep in mind that the current line or hose might contain water dirt or oil and should be blown out before installation Also pipe thread sealant or tape must be carefully applied to avoid clogging product orifices When the temperature of the air inside the Cabinet drops to 0 C 32 F the water vapour in the air will start to freeze If this poses a problem with ice clogging the orifices of the generator inside the tube an air dryer must be used to lower the dew point to keep out the water vapour An air dryer rated at 19 C 2 F will produce a dew point low enough to eliminate the water vapour freezing in the orifices of the generator e The installation of the electrical connections shall be inspected for correct installation before the unit is put into service e The Cabinet Cooler has the temperature setting factory set to 20 C 68 F e f the customer wishes to change this then the adjustment resistor is shown on the drawing provided This does not have an indexed scale e The Cabinet Cooler can now be operated Once a purge cycle has been completed the Cabinet Cooler will become active As soon as the sensor detects the set temperature has been exceeded the Solenoid Valve will open and the Cabinet Cooler will operate e Air will be vent
14. ty 400W or 1500W 7 barg Ambient temperature range 20 C to 40 C or 20 C to 55 C as marked on the equipment Special conditions of safe use The device adjuster screw located beneath the air silencer muffler has been pinned to limit the maximum exit air temperature Any alteration will invalidate this certificate The maximum supply air temperature shall not exceed 40 C or 55 C depending on the model The Cabinet Vortex Cooler must be installed to conform to the instructions in the user manual Measures shall be taken to limit the enclosure pressure to safe levels Once the Cabinet Vortex Cooler is installed the silencer muffler shall be fixed onto the unit so that it can only be removed by the use of a tool It is responsibility of the user to ensure that the Cabinet Vortex Cooler is appropriately earthed to the enclosure For use in Zone 1 Category 2 applications the user shall ensure that the maximum regulator pressure even under fault condition does not exceed 7 barg 13 Hazards identified The hazard presented by hot gases released into the potentially explosive atmosphere and hot metallic surfaces on the Cabinet Vortex Cooler are prevented by limiting the unit for use in a specific T Class as marked on the label of each unit Page 2 of 3 Summer Road Thames Ditton Surrey KT7 ORH UK T 44 0 20 8398 8011 F 44 0 20 8398 8014 E info expoworldwide com Expo Technologies Ltd Registered in Eng
15. w insert the vortex tube through the gland and tighten the gland up to hold the Cabinet Cooler in place ML374 V11 16 06 15 Page 3 of 6 e Now replace the hot air exhaust muffler and place supplied label adjacent to the muffler on the outside of the enclosure e The temperature sensor can now be positioned within the enclosure This could be on a specific device or in the top of the enclosure where the temperature will normally be at it s greatest e The wiring and pneumatic pipe work can now be fitted 6 COMMISSIONING Always ensure that there is adequate exhaust and pressure relief provided for the enclosure If this is not provided the enclosure will become over pressurized and may operate outside of its Test Pressure specification and possibly become a hazard in itself General Notes Compressed air supply The air supply temperature should not exceed 40 C 104 F or 55 C 131 F depending on the model Solar shading or thermal insulation of air supply pipe work may be required Air supplies are plagued with condensed water vapour and droplets in the air lines This condensation leads to rust and dirt in the air lines Also some compressors will allow oil or oil vapour to enter the air line It is important that the electrical equipment within the Pressurized Enclosure is not contaminated Small orifices within the Cabinet Cooler may become clogged with rust dirt and water droplets A 5 micron filter will separate 99 of foreign mate
16. y dependant on setting at time of commissioning e The MiniPurge must control the operation of the Cabinet Cooler by way of the purge complete signal The MiniPurge must go through a purge cycle before the Cabinet Cooler receives either a supply of compressed air or electrical power This will prevent the MiniPurge considering the cold fraction as the purge flow which would be incorrect The solenoid valve will obtain its power once the purge time has elapsed e Cabinet Cooler assemblies supplied by Expo have a solenoid valve to control the compressed air supply In addition a thermostatic control is included and a one way air valve fitted to the cold fraction e The one way air valve is to prevent the enclosure losing pressure when the Cabinet Cooler is not in operation e f a customer is to install a Cabinet Cooler themselves into an Expo Pressurized Enclosure that has already been certified by Expo then Expo requires Documents drawings circuits etc recording this addition so that we can issue an amendment to the overall certificate This may incur additional costs e Toinstall the Cabinet Cooler refer to the general assembly drawing for overall dimensions e Drill a hole on the top face of the enclosure the one way valve must be vertical It is possible to mount the Vortex tube in the side wall although this is not the preferred option e Unscrew the hot air exhaust muffler and remove the gland e Fix gland into the drilled hole e No
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