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RU-200,RU-500

FC-200 and FC-500

Refrigerated units

USER’S MANUAL

Issue 11.

Date of issue:

3rd May 2005

Techne is a trademark

© Techne, 2003

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Summary of Contents for BAT5124

Page 1: ...RU 200 RU 500 FC 200 and FC 500 Refrigerated units USER S MANUAL Issue 11 Date of issue 3rd May 2005 Techne is a trademark Techne 2003 ...

Page 2: ......

Page 3: ... INTRODUCTION 8 Dip Coolers 8 Flow Coolers 9 Operator Safety 9 Specification 10 Siting Considerations 11 Setting up the unit 11 Carrying a Dip Cooler 14 Cleaning your unit 14 Packing 14 OPERATION 15 Precautionary Measures 15 Operating your unit 15 Daily Mainenance 16 Fault Finding 16 Service 17 ADDITIONALINFORMATION 18 General Advice 18 General Fault finding 18 Accessories 18 ...

Page 4: ...P A G E 2 D I P A N D F L O W C O O L E R S U S E R S M A N U A L ...

Page 5: ...P A G E 3 D I P A N D F L O W C O O L E R S U S E R S M A N U A L NOTES ...

Page 6: ...anings I mains switch On O mains switch Off After use When you have finished heating samples remember that partsoftheunit thetubes blocksandassociatedaccessories may be very hot Take the precautions listed earlier Guarantee The unit is guaranteed against any defect in material or workmanshipfortheperiodspecifiedontheenclosedguarantee card This period is from the date of purchase and within this pe...

Page 7: ... sur un plan de travail ou surface plane ou le cas échéant dans une hotte d aspiration en s assurant que les trous d aération situés sous l appareil ne sont pas obstrués 5 Les symboles situés sur ou à côté de l interrupteur de l appareil ont la signification suivante O arrêt l marche Après utilisation Lorsque vous avez fini de chauffer les échantillons n oubliez pas que certaines parties de l appa...

Page 8: ...ene Arbeitsfläche bzw fallserforderlich untereinenLaborabzug BeachtenSie daßdieEntlüftungsrippenanderGeräteunterseiteimmer frei zugänglich sind 5 Die Symbole auf oder neben dem EIN AUS Schalter an der Geräterückseite bedeuten I An O Aus Nach dem Gebrauch Vergessen Sie nicht daß Teile des Gerätes die Gefäße die Blöcke und andere Zubehörteile nach dem Erhitzen von Proben noch sehr heiß sein können B...

Page 9: ...entradas de aire en la parte inferior no queden obstruidas 5 Lossímbolosqueseencuentranenocercadelinterruptor de alimentación tienen los siguientes significados I Interruptor principal encendido O Interruptor principal apagado Después de su uso Cuando haya finalizado el calentamiento de muestras recuerdequelaspiezasdelequipo talescomotubos bloques y demás accesorios pueden estar muy calientes Tome...

Page 10: ... this could be a Techne Thermoregulator TE 10 series or TU 20 series or it could be a Techne Circulator the C 85A or C 85D Each unit fridge or controller has its particular application which should be considered when setting up a temperature controlled system Dip Coolers The RU 200 and RU 500 are designed to work with Techne laboratory baths and thermoregulators without reducing the working area o...

Page 11: ...id on the rear of the unit These pipes are 16mm diameter The flow coolers need a minimum flow rate of 10 litres min at 20o C to prevent freezing in the heat exchanger OUTLET INLET Operator Safety All users of Techne equipment must have available the relevant literature needed to ensure their safety It is important that only suitably trained personnel operate this equipment in accordance with the i...

Page 12: ...P COOLERS RU 200 RU 500 Minimum temperature 20 o C 35 o C Cooling capacity at 20o C 145 W 240 W 0o C 145 W 240 W 10 o C 110 W 230 W Nominal dimensions and weights Overall Length 420 mm 430 mm Width 235 mm 370 mm Height 300 mm 325 mm Coil Length 85 mm 85 mm Diameter 75 mm 75 mm Hose length to coil 1250 mm 1250 mm Net Weight 19 kg 39 kg FLOW COOLERS FC 200 FC 500 Minimum temperature 20 o C 35 o C Co...

Page 13: ...ance MINIMUM MINIMUM 150 mm 6 150 mm 6 Setting up the unit 1 Check the voltage marked on the unit s rating plate against that of the mains supply Connect the mains cable to a suitable plug as in the following table Note that the unit must be earthed to ensure proper electrical safety Connections 230V 110 120V Live brown black Neutral blue white Earth yellow and green green If a fused plug is used ...

Page 14: ...ich will cover the full range of working temperatures The units are designed to work up to 40o C with occasional peaks to 100o C see Precautionary Measures in the Operation section However with the coil removed and a TU 20D or a TU 20C in the bath the baths themselves are quite capable of going to 250o C 3 Hoses should be as short as possible and secured with clips 4 The whole system should be ins...

Page 15: ... hose may be used if the hose is soft such as silicone rubber Ensure the flow is in through the INLET pipe and out through the OUTLET as cooling power will be lost if the flow is reversed OUTLET INLET If the system is of a small bore or the viscosity of the liquid prevents the flow being maintained a by pass should be incorporated in the system Flow Cooler C 85 Circulator By pass External circuit ...

Page 16: ...er to give the support stability The coil is then clipped into the support for ease of carrying RU 500 RU 200 Cleaning your unit Before cleaning your unit disconnect from the power supply and allow to cool to ambient temperature You can clean the case of the refrigerated unit with a cloth dipped in water or ethanol methanol or formaldehyde can also be used No part of the case or cover should be im...

Page 17: ...r with liquids above 40o C 4 Although the practice is not recommended fridge units may occasionally be subjected to temperatures up to 100o C This is provided that they are only being used thus intermittently for example for cooling down to temperatures below 40o C 5 IN NO CIRCUMSTANCES MAY A REFRIGERATED UNIT BE SUBJECTED TO BATH LIQUID TEMPERATURES ABOVE 100o C 6 For continuous use above 40o C e...

Page 18: ... the liquid is not being circulated over the coil or through the heat exchanger properly First check that the pump unit is not blocked either by foreign matter or by balls from a ball blanket or in any other way Also check that the pipe system if you are using the fridge unit for an external system is not kinked or restricted in any way 4 If the liquid or the circulation is not the cause of the po...

Page 19: ...e gas charge for each of the units Unit Refrigerant Charge RU 200 R134a 95 gm RU 500 R404a 250 gm FC 200 R134a 95 gm FC 500 R404a 240 gm There have been several improvements in design which have varied the charge To increase the cool down rate increase the charge slightly to reach a lower temperature reduce the charge slightly Adjust the charge during testing Early units were charged with R12 or R...

Page 20: ...y details of the fault observed and remember to return the unit in its original packing Techne accept no responsibility for damage to units which are not properly packed for shipping if in doubt contact your supplier General fault finding Fuses If the power light on the power switch is lit the fuse may have blown Make sure there is no external cause such as a faulty plug or lead Fuses should only ...

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