Meech A70025EX Скачать руководство пользователя страница 1 | Manualshive

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EX Cabinet Cooler

Operating

Manual

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Содержание A70025EX

Страница 1: ...1 EX Cabinet Cooler Operating Manual ...

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Страница 3: ...tion please refer to our Head Office or visit www meech com Meech Static Eliminators Ltd Contents Section Page 1 Introduction 5 2 Safety and Inspection 6 3 Maintenance 7 4 Compressed Air Supply 9 5 Compressed Air Line Sizes 10 6 Installation 14 7 Operation 17 8 Solenoid Valve and Thermostat Cabinet Cooler System Only 20 9 Approvals 22 10 Troubleshooting 23 ...

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Страница 5: ...ing and prevents ingress of contamination such as dust or moisture The EX Cabinet Cooler Unit excluding Solenoid Valve and Thermostat is intrinsically safe and requires virtually no maintenance They have no moving parts making them ideal for harsh environments Ex Cabinet Coolers can be used with electrical thermostats or solenoids but they need to be positioned outside the hazardous area ...

Страница 6: ...disconnect a hose from an air line the air should be cut off and the remaining air bled from the line Keep air hoses off the floor where they become tripping hazards and are subject to damage by vehicles doors and dropped tools If possible suspend air hoses from overhead Please be aware of the following safety guidelines specific to the Cabinet Cooler Cabinet Coolers create both hot and cold air s...

Страница 7: ...p lower than 10 C 3 Maintenance The Meech Cabinet Cooler has no moving parts Clean compressed air moving through the Cabinet Cooler will not cause wear on any of the components Occasionally dirt water or oil may enter the cooler from the compressed air supply This could hinder the performance If this happens simply take the unit apart clean the parts with soapy water allow drying time and then rea...

Страница 8: ...RIAL DESCRIPTION PART NUMBER QTY ITEM Brass Brass Sleeve D50380 1 1 Stainless Steel Bulk Head Fitting Insert D50381 1 2 Stainless Steel Bulkhead Fitting D50032 1 3 Steel Silencer Spring D50088 1 4 Nitrile O Ring 17 x 3 D50075 1 5 Zytel 101 Generator Multiple See Page 2 1 6 Nitrile O Ring 3 8 x 1 4 D50076 1 7 Nitrile O Ring 38 x 1 6 D50074 3 8 Stainless Steel Small Hot End Valve D50083 1 9 Nitrile ...

Страница 9: ...e installed outside the hazardous area Failure to use a filter may cause clogging and freezing of the compressed air line and the components within the Cabinet Cooler When the temperature of the compressed air within the Cabinet Cooler reaches 0 C the water vapour in the air will start to freeze This could potentially cause a problem with ice clogging the orifices of the Cabinet Cooler In this ins...

Страница 10: ...here is any doubt that a pipe size may create a pressure drop use the next largest size Remember that an oversize pipe compensates for possible scale build up and provides for future expansion of the overall air system Steps to calculating overall piping size for your compressed air system 1 Determine your air compressor s maximum CFM 2 Draw a piping schematic and show all pipe fittings valves etc...

Страница 11: ...nd use this number to determine the PIPE SIZE you need Specific Cabinet Cooler Pipe Size To obtain maximum performance from the Cabinet Cooler accurate measures of air pressure and air volume must be obtained Line pressure of 70 80 psi 5 5 5 Bar can be present without a sufficient volume cfm of air To ensure that both pressure and volume are present to efficiently operate the Cabinet Cooler a line...

Страница 12: ...1 2 1 1 2 2 2 2 2 225 1 1 2 1 1 2 1 1 2 1 1 2 2 2 2 2 250 2 2 2 2 2 2 2 2 275 2 2 2 2 2 2 2 1 2 2 1 2 300 2 2 2 2 2 2 2 1 2 2 1 2 350 2 2 2 2 2 1 2 2 1 2 2 1 2 2 1 2 400 2 2 2 2 2 1 2 2 1 2 2 1 2 2 1 2 450 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 3 3 500 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 3 3 550 2 1 2 2 1 2 2 1 2 2 1 2 3 3 3 3 600 2 1 2 2 1 2 2 1 2 2 1 2 3 3 3 3 750 2 1 2 2 1 2 2 1 2 3 3 3 3 4 1000 3...

Страница 13: ...Solenoid Valve and Thermostat must be installed outside the hazardous area The drawing below shows the recommended way to fit Meech EX Cabinet Cooler To fit the Cabinet Cooler follow the steps below A Drill Hole Drill 1 02 26 mm hole in the position you would like to fit the Cabinet Cooler Please be aware that 200mm of the Cabinet Cooler will extend from the outside of the enclosure so allow clear...

Страница 14: ...ttom of the Cabinet Cooler C Fit desired generator As standard the Cabinet Cooler is supplied with a red Refrig 15cfm 293W 1000 Btu hr generator To change the generator simply unscrew the bulk head fitting and replace the generator with another colour Please remember to re fit the o ring and screw bulk head fitting until tight Four generators are provided with the Meech Cabinet Cooler Information ...

Страница 15: ...water vapour in the compressed air being blown over components If the air is clean and dry the cold air ducting can be directed to particularly hot areas of the enclosure Alternatively you can drill holes in the cold air ducting and allow air to be distributed to several areas If you choose this method you will need to plug the end of the cold air ducting and ensure the holes drilled into the tube...

Страница 16: ...he achievable temperatures The chart below shows achievable temperatures with different generators fitted Please note these are approximate temperatures and should only be used as a guide The Cabinet Cooler will perform differently when used in other environments Inlet air pressure Product Code Generator Colour Consumption in CFM l min 60 PSI 4 1 Bar 80 PSI 5 5 Bar CFM at test 2 5 turns of needle ...

Страница 17: ...apacity of 703W 2 400 Btu hr A single Meech Cabinet Cooler is capable of cooling up to 703 Watts 2 400 Btu hr Optimising the cooling capacity is still a vitally important factor choosing the correct generator will not only reduce running costs but also extend the life of the compressor To choose the most efficient generator you must calculate the total heat load in Watts Btu hr to which the enclos...

Страница 18: ... circulating within the cabinet panel and reduces the chance of condensation Fans can be installed into the enclosure which will help to circulate air 9 Approvals The Meech Cabinet Cooler is IP56 Nema 4 12 Meech In W tel 44 1993 706 e mail sales meech Cabinet Cooler Ex dims 85 x 25mm Cool Gray 1 Temp Class T4 135o C T amb 10o C to 55o C Model Cabinet Cooler Ex 1180 Ex h IIC T4 Gb II 2G Baseefa16AT...

Страница 19: ...sor size for fitting Cabinet Cooler Air Temperature Problems with air temperature can be caused by 1 Incorrect generator fitted Check and replace generator see section 7 2 Ambient compressed air temperature too high Check compressed air temperature and use cooler if necessary 3 Loose missing parts Check all Cabinet Cooler parts are screwed in tightly and there are no missing parts 4 Water vapour i...

Страница 20: ...ton OH 44203 USA Tel 1 330 564 2000 1 800 232 4210 Fax 1 330 564 2005 email info meech com Meech Static Eliminators Shanghai Co Ltd 7G 7F LP Tower 25 Xiangfeng Road 201103 Shanghai China Tel 86 400 820 0102 Fax 86 21 6405 7736 email china meech com Meech Elektrostatik SA Kaiserbaracke 166 B 4780 St Vith Belgium Tel 32 8086 2983 Fax 32 8086 2821 email mesa meech com Meech Shavotech Shavo House Surv...

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