OPERATING INSTRUCTIONS
Contents
1. The vent openings in the left and back side must remain unobstructed Minimum wall spacing on all sides is 80 mm The minimum spacing from the top of the bath to the next ceiling rack etc is 750 mm page 7 EXCELLENT 3 1 Initial start up When the bath is started up for the first time it should be supervised continuously until steady conditions have been reached 3 2 Installation waterbaths Mains connection Filling Draining EXCELLENT The mains connection cable must be placed away from any hot surface et max water level an j min water level d drain valve In order to garant the high quality of the stainless steel it is recommended by the steel producer to fill the waterbath with deionised water IMPORTANT The water level in the bath must be between the two markings at the right side of the tub Waterbaths can be fitted with a level control system see section 9 The tank can be drained through the drain valve The thermostating fluid must be cooled to room temperature before draining Drain the fluid either directly into an appropriate container or connect an appropriate hose to the drain valve NOTE Polluted fluids may not be drained directly into the public wastewater system If the thermostating fluid is polluted please make sure that it will be properly filtered or dumped according to the applicable regulations Operation with non flammable thermostating liquids onl2. maintenance 22 Mat Ref 1 4301 6 material quality 6 monitor relay 20 monitor temperature selection 15 monitor unit 19 N nominal temperature 5 23 P parameter settings 11 polluted fluids 8 9 programme sequence monitoring 18 programming example 17 Protection Class 1 19 Protection Class 2 20 Protection Class 3 1 20 Pt100 temperature sensor 6 R rust deposits 22 page 26 S SAFE 17 safety notes 4 setpoint dependent waiting time 13 setpoint dependent operation 23 setpoint temperature 23 setpoint temperature selection 12 Setup menu 15 SP 13 18 standard equipment 7 supply failure 23 switching on the bath 11 T TB 19 technical data 5 temperature diviation 16 temperature fluctuation 6 temperature limiter TB 19 temperature limiter TWB 20 temperature measurement 6 temperature monitor 15 19 temperature monitor selection 17 temperature monitor TWW 20 temperature setpoint 23 temperature setpoint selection 12 thermostating liquid 6 21 thermostating liquid oilbaths 9 thermostating liquid waterbaths 8 transport 4 TWB 20 TWW 20 U uniform temperature distribution 10 W water circulation 10 working temperature range 5 Memmert GmbH Co KG Postfach 1720 D 91107 Schwabach Tel 49 0 9122 925 0 Fax 49 0 9122 145 85 E Mail sales memmert com www memmert com 24 04 2009 Water Oilbath EXCELLENT englisch ba 0333 MTT TTT THATCH TAHT TH TH MMH MMT HTT
3. If the boiling mode CEL has been activated circulating pump operation is not possible Setting Rotate the push turn control until the amp symbol flashes With the SET key depressed the circulating pump can then be switched on and off EXCELLENT page 14 4 3 6 Temperature monitor l Adjustment range An up to 10 C above nominal temperature setpoint temperature Setting and indication accuracy I EArC gt t gt 100 C 1C see also sections 4 3 8 2 and 7 Rotate the push turn control until the monitor temperature display flashes The monitor temperature can then be adjusted with the SET key depressed as described in section 4 3 While the SET key is depressed the top display shows for information the previously selected setpoint temperature It is important to ensure that the monitor temperature is always set sufficiently high above the maximum working temperature 4 3 7 Level monitor When the liquid level has fallen so far that the upper of the two Pt100 temperature sensors is above the bath liquid the different temperatures inside and outside the bath liquid cause the symbol to flash the sounder operates and the heating is switched off for safety reasons On topping up the liquid ensure that the liquid level is between the two level marks on the right inside the bath see also Sections 3 2 and 3 3 The bath is again ready for operation after switching it off and on or afte
4. Phone 00 49 9122 925 143 or 00 49 9122 925 126 E mail service memmert com In case of queries always specify model and serial number on the rating label by MEMMERT GmbH Co KG page 25 EXCELLENT 17 Index A address 25 alarm symbol 19 20 ambient conditions 5 ambient temperature 23 autodiagnostic system 6 B bath construction 10 boiling mode 5 boiling mode activate 12 brief technical description 6 C CAL 16 calibration difference 16 calibration of the temperature 16 calibration temperature 16 CE conformity of declaration 24 check list for fault rectification 23 chemical compatibility 6 circulating pump 14 cleaning 22 controls 10 cooling system 22 cover flat 21 cover gable 21 22 customer service 25 D deionised water 8 delayed switch on 12 DIFF 16 DIN 12880 19 20 disposal 25 draining oilbaths 9 draining waterbaths 8 drain hose 21 22 drain valve 8 9 E electrical equipment 6 electromagnetic compatibility 6 evaporation loss 21 F fault rectification 23 filling oilbaths 9 filling waterbaths 8 flash point of the oil 9 EXCELLENT G glossary 23 H heating 10 hinge bolts 22 hold time of the setpoint temperature 13 indication 10 initial start up 8 installation 7 installation oilbaths 9 installation waterbaths 8 L level control system 8 21 level monitor 15 liquid level oilbaths 9 liquid level waterbaths 8 low level protection 19 M
5. 90 C zu delay 6h u hold 4h Heating is switched off EXCELLENT During the delayed switch on the symbol flashes and the display alternates between residual time and actual temperature SP activated After the end of the delayed switch on the symbol goes dark and the bath heats up to the selected setpoint temperature The display alternates between actual temperature and SP until the setpoint temperature is reached Heating is indicated by the symbol SP_is_de activated or after the setpoint temperature has been reached During the hold time the symbol flashes and the display alternates between the residual time and the actual temperature After the hold time has elapsed the symbol goes dark the heating is switched off and the display alternates between the actual temperature and End page 18 7 Temperature monitor and protection devices The monitor temperature is measured with a separate Pt100 temperature sensor inside the chamber The monitor unit provides protection for the bath load as well as protection for bath and its surroundings The bath is provided with duplicate overtemperature protection mechanical electronic according to DIN 12880 7 1 Mechanical temperature monitor temperature limiter All water and oilbaths are fitted with a mechanical temperature limiter TB Protection Class 1 to DIN 12880 If the electronic monitor system should fail during operation and the fi
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7. can be compensated through a slightly open water supply dripping and can be monitored through the observation window The level control system cannot be retrofitted Warning bath hot when operating page 21 EXCELLENT 10 Cooling system special equipment If the waterbath is fitted with a cooling device for quicker cooling of the bath liquid the water supply has to be connected by a hose f ex to a cold water supply line The discharge has to be lead into a drain a supply u _ Use temperature resistant material for the tubing Please note that the outflowing water may be hot The discharge must be connected with tubing to an appropriate container or sink Make sure that the tubing cannot be clogged or bended and that it continually runs downhill 11 Cleaning and maintenance By regular cleaning of the easy to clean the tank residues are avoided which at continuous influence can impair the outfit and function of the water oilbath Please use only detergents and antiliming agents appropriate for stainless steel for the cleaning of the tank and the housing stainless steel detergents usual in the trade Water baths only After cleaning and after draining the water the stainless steel tank must be rinsed thoroughly with clear water and dried carefully It is important to ensure that no rusting objects come into contact with the stainless steel bath tank or the stainless st
8. close to the heated ribs bath Insulation heating elements The heating positioned on three sides around the tank ensures a natural water circulation of the liquid inside thus securing an optimal uniform temperature distribution 4 1 Controls and indications time symbol temperature display delay symbol delayed switch on heater symbol hold symbol hold time alarm symbol level symbol pump symbol push turn SET key control monitor temperature indication EXCELLENT page 10 4 2 Switching on The bath is switched on by pressing the push turn control and can be operated in connection with the SET key Bath switched off The push turn control is pushed in and protected against damage 4 3 Setting the parameters A parameter can be selected by rotating the push turn control all other parameters are then dimmed The selected parameter flashes brightly and can now be altered with the push turn control while holding down the SET key protection against unintentional alteration If the push turn control is rotated quickly the setpoint is altered in large steps with slow operation it is altered in single steps After the SET key has been released the newly set value is stored Further rotation of the push turn control selects the next parameter Rotation of the push turn control selects the following parameters in the order indicated to be altered as described abov
9. 2 Selection of temperature monitor waterbaths only ssssessssssrirrsrsrirrsrerrrrnrrerrrrnrerrn 17 5 Programming example of a Programme seguend siccicscsivcscsssvecnsssndedavndsivsrencndndasvandnainindedededddescandeveds 17 6 Monitoring the programme sequence uessssssseessnnssennnnennnneennnnnennnnnneennnrennnnnennnnnennnrrrnnn nenn 18 7 Temperature monitor and protection devices nennen 19 7 1 Mechanical temperature monitor temperature limiter enenenenneenenenenn 19 7 2 Electronic temperature MONITO ee ee beat 19 7 2 1 Adjustable temperature monitor TWW Protection Class 3 1 to DIN 12880 20 7 2 2 Adjustable temperature limiter TWB Protection Class 2 to DIN 12880 20 7 3 Monitor RN aan iin 20 SWse ofthe Cover Special equipment ana 21 9 evel Comma special eguipMmENt een 21 10 Cooling system special equipment ern anni een 22 11 Cleaning and mMaintenaN E nun 22 12 Check list for fault rectification en een este 23 13 Action on supply failure u a en kan 23 TE orca cens vente saps seatensene nest rants noes AERD EEE AD Ea aA E EREEREER EE 23 15 CE Conformity of Declaration a es Dane Se 24 16 Addr ss and CUSTOMEr service ans ee E ee 25 2 S EEE EA EE EINEN EI NINE EEE NEE E EEE ER E EET 26 page 3 EXCELLENT 1 General notes and safety notes You have purchased a technically fully proven product which has been produced in Germany with the use of h
10. ENT page 20 8 Use of the cover special equipment Gable cover The gable cover may be ordered as already mounted special equipment should always be closed in order to prevent evaporation of thermostating liquid and to obtain optimal temperature distribution The gable shape of the cover makes sure that condensed water will not drop down into the loads Flat cover For positioning of test flasks on top of the bath a flat cover special equipment may be used The size of the holes in this cover can be adapted to the flasks with ring inserts The rings may therefore only be inserted or taken off if the bath is cooled down Note that during operation the flat cover and the gable cover heat u to the temperature of the thermofluid 9 Level control special equipment 2 different filling levels can be maintained constant if the unit is fitted with a level control system When using water as thermostating liquid connect the feed pipe with tubing to the mains water supply The drain must be connected with tubing to an appropriate container or sink Make sure that the tubing cannot be clogged or bended and that it continually runs downhill Please note that the outflowing water may be hot Supply and drain are indentified by arrows Use temperature XN NS observation resistant material for the tubing gt window If the second overflow is not required it must be closed with a gt E upy sealing cap The evaporation loss
11. Experts in Thermostatics JPE AIN N A Waterbath Oilbath WNE 7 45 ONE 7 45 WPE 45 1 General notes and safety een 4 TEE e E aan 4 2 TECN aA Iae EEA A 5 PAVESE OUSLY E E EE sbctsduantdvenliveesnt teawiexants 6 2 2 Electrical egumen Eees EE E E E a 6 2 3 Note on EMC electromagnetic compatible ee are 6 2 4 Brief technical description 444444snnnennenennnnnnennnnnnnnennnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnn ne 6 2 5 SIANG ER EAU PEN ihn 7 sa 21 Ch 01 EEE EEE EINER A A L E A een ee eerie een eer 7 mel Sta Up ns ne in a a ns 8 3 2 Installaton WaterbathS misnikisninnisna hinni niai iai ni ainia i 8 3 3 Installation OMS INS irr E E ET 9 4 Bath construction and OPEN ei a an reisen 10 4 1 Controls and indications un aan ann 10 AA INRENA Ole ee ee ae era ee ee 11 2 3 Setting DE PIE ER esse er ae ea a re isch 11 4 3 1 Temperature SeUPO Ul en E E E enGiekoy 12 432 Delayed SWIN ON een rennen 12 4 3 3 Hold time of the setpoint temperature ussssnnsnssnnennnnnnennnnnnnnennnnnnnnnnnnnnenennnnnne 13 4 3 4 Setpoint dependent WaILING TINIE euere 13 4 3 5 Circulating pump WPE 45 OMY arena ee 14 4 3 6 Temperature monitor sssnnnnnnnnnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnnnnnnnnennnannn nn nnnnnrannnn 15 1337 kevell DE een denen nennen nederlands nee 15 2 3 8 SS WIDMEN ee 15 A Sell Celli 0 lt tiO i a ahna A aaia KAI A T RE AR KA AE RAAE KE AT RANAN 16 4 3 8
12. N 12880 and in oilbaths by an adjustable temperature limiter TWB On waterbaths the temperature monitor can be selected in the setup menu see section 4 3 8 or 4 3 8 2 For details of temperature monitor and protection class see rating label page 19 EXCELLENT 7 2 1 Adjustable temperature monitor TWW Protection Class 3 1 to DIN 12880 If the manually set monitor temperatur is exceeded the TWW takes over the control of the temperature and starts to control at the monitor temperature The A symbol flashes as warning 7 2 2 Adjustable temperature limiter TWB Protection Class 2 to DIN 12880 If the manually set monitor temperature is exceeded the TWB switches off the heating permanently and can only be reset by pressing the SET key The A symbol flashes as warning 7 3 Monitor relay In addition the bath is equipped with an electronic monitor relay If a fault occurs during operation or if the selected setpoint temperature is exceeded by 10 C then the monitor relay continues control of the heating at this temperature in emergency operation The A symbol flashes as warning Fault rectification after the monitor relay may been activated Check the controller for error messages see section 12 and where appropriate contact customer service Example With a setpoint temperature of 80 C if a fault occurs in the power unit faulty triac the bath continues to operate in emergency operation at approx 90 C EXCELL
13. e Temperature setpoint Delayed switch on Hold time of the setpoint temperature Setpoint dependent waiting time Circulating pump WPE 45 only Temperature monitor OUT oe eS S page 11 EXCELLENT 4 3 1 Temperature setpoint Adjustment range ae waterbaths 10 C to 95 C or ca 100 C with activation of the boiling mode oilbaths 10 C to 200 C Setting and indication accuracy water oilbaths 51 C The bath starts to heat up immediately to the set temperature Rotate the push turn control until the C symbol flashes The setpoint temperature can then be selected with the SET key depressed as described in Section 4 3 After releasing the SET key the display briefly flashes the setpoint The display then changes to the actual temperature and the controller starts to control to the selected setpoint temperature During heating the symbol flashes in proportion to the actual heater power Waterbaths only In order to reach water temperatures above 95 C boiling point waterbaths are provided with the boiling mode If this is selected the heating is switched on permanently Activating the boiling mode by rotating the push turn control beyond the maximum value until the display shows IT The setting boiling mode is not stored permanently After the bath is switched off and on again the controller shows again the previously selected setpoint 4 3 2 Delayed switch on Adjustmen
14. ed digital timer for the hold time starts no earlier than the temperature in the bath has reached the setpoint to least 0 5 C at 95 C nominal temperature resp 2 C at 200 C nominal temperature page 23 EXCELLENT 15 CE Conformity of Declaration memmert EC Declaration of Conformity Manufacturer s name and address MEMMERT GmbH Co KG u ere Rittersbacher Stra e 38 D 91126 Schwabach Product Waterbath Oilbath Type WNE ONE WPE 45 Sizes 7 10 14 22 29 45 Nominal voltage AC 230 V 50 60 Hz alternative AC 115 V 50 60 Hz The designated product is in conformity with the European EMC Directive 2004 108 EEC including amendments Council Directive of 03 May 1989 on the approximation of the laws of the Member States relating to electromagnetic compatibility Full compliance with the standards listed below proves the conformity of the designated product with the essential protection requirements of the above mentioned EC Directive DIN EN 61326 2004 05 EN 61326 1997 EN 61326 A1 1998 EN 61326 A2 2001 EN 61326 A2 2003 The designated product is in conformity with the European Low Voltage Directive 2006 95 EEC including amendments Council Directive on the approximation of the laws of the Member States relating to Electrical equipment for use within certain voltage limits Full compliance with the standards listed below proves the conformity of the designated product with the essential protection req
15. eel housing Rust sediments lead to contamination If rust stains caused by contamination occur on the tank surface the affected areas must be cleaned and polished immediately On units with gable cover we recommend that the hinge bolts are oiled from time to time if the bath is used frequently EXCELLENT page 22 12 Check list for fault rectification Main switch ON Main fuse 15A or instrument fuse T80MA 250V on circuit board no indication on the display 55167 x has blown Controller faulty Electrical supply interrupted symbol not alight Ambient temperature too high Temperature in bath above the selected setpoint temperaturer A symbol alight Temperature protection TB has operated A symbol flashes Temperature protection TWW TWB has operated Ua relay has operated F ao e eao T Communication to power unit imemupted In case of a malfunction contact an authorized service station for Memmert equipment or please inform the Memmert service department see section 16 In case of queries always specify model and serial number on the rating label 13 Action on supply failure After a failure of the supply operation continues with the previously set parameters 14 Glossary i nominal temperature the maximum adjustable setpoint temperature of the bath ambient temperature the continuous temperature of the room in which the bath is set up setpoint temperature dependent on operation the integrat
16. er matchinig and an autodiagnostic system for rapid fault finding Recessing push turn control for simple operation of bath Visual alarm indication Mechanical temperature limiter TB Class 1 Monitor relay to switch off heating in case of fault Boiling mode for temperatures above 95 C Setpoint dependent waiting time Digital overtemperature monitor on waterbaths choice between TWB Class 2 or TWW Class 3 1 on oilbaths TWB Class 2 Additional digital display of monitoring temperature Two separate stainless steel Pt100 temperature sensors Mat Ref 1 4571 Class A in 4 wire circuit for control and monitoring Built in sounder as alarm on overlimit as audible signal at programme end and to acknowledge input key click Warning at low liquid level Convenient calibration directly on the controller at one freely selected temperature Manually switched circulating pump also pump switch off at programme end WPE 45 only Special equipment to be ordered separately as accessory flat cover with concentric ring sets gable cover to drain condensate cooling device various racks for test tubes bottles etc 3 Installation space for air circula air circula min tion min 80mm 80mm e ee a space for l l Ir Il al I l The unit must be placed on a horizontal non flammable surface which cannot tilt
17. gramming example of a programme sequence 1 Setpoint temperature setting Rotate the push turn control until the C symbol flashes With the SET key depressed use the push turn control to set the temperature setpoint to f ex 300 2 Delayed switch on setting Rotate the push turn control until the f delay and the symbol flashes With the SET key depressed use the push turn control to set the time f ex 6 50 3 Hold time setting Rotate the push turn control until the hold and the symbol flashes With the SET key depressed use the push turn control to set the time f ex 4 80 4 Setpoint dependent waiting time setting Rotate the push turn control until SF flashes With the SET key depressed use the push turn control to set Gf 5 Switch on the circulating pump WPE 45 only Rotate the push turn control until the amp symbol flashes With the SET key depressed use the push turn control to set In 6 Monitor temperature setting Rotate the push turn control until the monitor temperature display flashes With the SET key depressed use the push turn control to set the monitor temperature to f ex 95 C page 17 EXCELLENT 6 Monitoring the programme sequence 7 v 1 H I delay 6h EEE hold 4h Bath does not heat up delay 6h hold 4h Bath heats up to setpoint temperature Of delay 6h hold 4h Bath holds setpoint temperature
18. igh grade materials and the application of the latest manufacturing techniques it has been factory tested for many hours In addition we guarantee the supply of spare parts over 10 years Observation of the Operating Instructions is necessary for faultless operation and for any possible claims under warranty If these nstructions are disregarded all claims under warranty guarantee and indemnification are excluded This mark on the product means Note Operating Instructions Warning bath hot when operating The right to technical modifications is reserved Dimensional details are not binding 1 1 Transport Always use gloves If the units W O 22 to 45 have to be carried at least 2 persons are required Place the bath accurately horizontal and not on an inflammable support EXCELLENT page 4 2 Technical data Model 7 tote 22 20 a5 Volume ter tte 22 29 as 140 468 578 7 18 i 356 356 43 51 238 238 238 337 337 u 14 52 52 Ambient conditions Ambient temperature 5 C 40 C rh max 80 no condensation Overvoltage Category Il Contamination degree 2 Setting temperature range 10 C to 95 C on waterbaths with activation of the boiling mode to 100 C see section 4 3 1 20 C to 200 C on oilbaths Housing width E mm 9 9 140 468 356 6 Housing height with flat cover F mm 238 EA 3 on oe 14 14 9 se 57 s
19. ime can then be selected with the SET key depressed as described in Section 4 3 After the SET key has been released the bath briefly flashes the hold time setting If no hold time has been programmed the hold time is activated immediately and the display alternates between the actual temperature and the running time of the hold time As with switch on delay the residual time is shown with a negative sign and runs down If no hold time is required it can be de activated by the setting GFF 4 3 4 Setpoint dependent waiting time W 90 C hold 6h M g The bath switches off the heating after the selected Setting hold time has elapsed The hold time begins only OM or OFF when the setpoint temperature has been reached Rotate the push turn control until 57 flashes With the SET key depressed the setpoint dependent waiting time can be activated or de activated page 13 EXCELLENT 4 3 5 Circulating pump WPE 45 only apertures to circulating pump pipe circulating pump NO E waterbath WPE 45 view from above Operation of a circulating pump can improve the temperature distribution inside the waterbath The pump draws water from the centre of the bath and distributes it through the pipes in the front and back of the bath The continuous water circulation avoids larger temperature differences At a water temperature of e g 90 C the temperature difference in the entire bath is less than 0 36 C Note
20. ompatibility This product is intended to operate on a supply network with a system impedance Z at the transfer point building connection of 0 292 Ohm max The user has to ensure that the product is only operated on an electrical supply network which meets these requirements If necessary details of the system impedance can be obtained from the local electricity supply authority Note Any work which involves opening up the bath must only be carried out by a properly qualified electrician 2 4 Brief technical description MEMMERT water and oilbaths are electrically heated and electronically controlled The temperature of the thermostating liquid is continuously controlled by a microprocessor controller with pulse package control Electronic microprocessor PID controller with continuous power matching and autodiagnostic system with fault indicator see section 12 integral timer for digital programme time selection The temperature is measured using a Pt100 temperature sensor 4 wire circuit The accuracy is as follows O y O WNE ONE Temperature fluctuation The components of temperature control are controlled by integrated malfunction recognition The heaters are installed outside therefore no problems through dirt or limeresidue EXCELLENT page 6 2 5 Standard equipment Electronic fuzzy supported PID process controller with delayed programme start and programmable hold time The controller has permanent pow
21. r pressing the SET key 4 3 8 Setup menu The setup menu provides additionally for a single point calibration and the choice of temperature monitor To get to the setup menu the SET key has to be depressed while the bath is switched on After switching on the display shows the version of the controller software page 15 EXCELLENT 4 3 8 1 Calibration Customer calibration of the bath on the controller using a self selected calibration temperature A positive or negative calibration difference against it can be set General calibration instructions 1 Set the required calibration temperature and set the calibration difference to 0 0 C see below set calibration temperature and set calibration difference 2 Measure the deviation from the selected calibration temperature under steady conditions using a reference instrument 3 Set the calibration difference If the measured reference temperature is lower than the indicated value the calibration difference has to be set with a negative sign 4 Carry out a check measurement using the reference meter Example Temperature difference between controller display e g 10 0 C and bath liquid e g 69 0 C has to be corrected 1 Set calibration temperature to 10 0 C and set calibration difference to 565 C 2 Using a calibrated reference instrument the measured temperature is 69 0 C at a setpoint temperature of 10 0 C 3 Set calibration diffe
22. rence to 1 0 C 4 After the bath has settled down the reference instrument should read 70 0 C corrected temperature measurement Adjustment range calibration temperature factory temperature waterbaths 10 C to 95 C measurement oilbaths 20 C to 200 C calibration difference 1 C PE Adjustment range calibration difference calibration o 5 temperature water oilbaths 5 0 C to 5 0 C 70 C 0 50 100 C Set calibration temperature Rotate the push turn control until CAL flashes The calibration temperature can then be set with the SET key depressed as described in section 4 3 Set calibration difference Rotate the push turn control until d FF flashes The calibration difference can then be set with the SET key depressed as described in section 4 3 Note Setting the calibration difference to d 5 C restores the factory calibration EXCELLENT page 16 4 3 8 2 Selection of temperature monitor waterbaths only a Class 2 o Class 3 1 Setting monitor temperature monitor temperature 7 1 setpoint temperature N setpoint temperature cori EE t Rotate the push turn control until SAFE flashes With the SET key depressed it is possibile to select the temperature monitor as adjustable temperature limiter TWB Protection Class 2 to DIN 12880 or as adjustable temperature monitor TWW Protection Class 3 1 see also sections 4 3 6 and 7 5 Pro
23. s se 436 s16 s16 se 2 BEE 337347 Ca 76 32 78 Working temperature range From 5 C above ambient temperature on water and oilbaths or 15 C above ambient temperature on waterbaths with circulating pump to nominal temperature maximum temperature see rating plate page 5 EXCELLENT 2 1 Material quality Memmert is using stainless steel Mat Ref 1 4301 for the external casing as well as for the interior an outstanding material because of its high stability optimum hygienic features and corrosion resistance against many not all chemical combinations Attention e g at chlorine combinations The load has to be tested for its chemical compatibility with the materials mentioned above A material compatibility table covering all these materials can be requested from MEMMERT WARNING Always pull out the supply plug before opening the bath cover 2 2 Electrical equipment Operating voltage see rating label 50 60 Hz WPE 45 50Hz Protection Class 1 i e operating isolation with ground connection to EN 61 010 Protection IP20 to DIN EN 60 529 Interference suppression to EN55011 Class B Bath protected by a fuse 250V 15A fast blow Controller protected by a 80 mA fuse 200 mA on 115 V When connecting a MEMMERT bath to the electrical supply you have to observe any local regulations which apply e g in Germany DIN VDE 0100 with FI protection circuit 2 3 Note on EMC electromagnetic c
24. t range a min bis 999 hrs Setting accuracy lt 100 hrs min delay 12h pm 100 hrs I hr The bath starts to heat up to the previously Indication accuracy selected temperature only after the time of lt 10 hrs I min the switch on delay has elapsed gt 10 hrs ihr Rotate the push turn control until the f delay and the symbol flashes The duration of the delayed switch on can then be set with the SET key depressed as described in Section 4 3 After the SET key has been released the bath briefly flashes the setting of the switch on delay The switch on delay is then activated and the display alternates between the actual temperature and the running time of the switch on delay The time is shown with a negative sign and runs down In this way it is possible to determine at any time how much longer the bath waits until it begins to heat up If no delayed switch on is required it can be de activated by the setting OFF EXCELLENT page 12 4 3 3 Hold time of the setpoint temperature A Adjustment range 90 C min bis 499 hrs N Setting accuracy z lt 100 hrs min hold 6h mm t gt 100 hrs ihr The bath switches off the heating after Indication accuracy the end of the selected hold time In this lt 10 hrs 1min case the hold time includes the heating gt 10 hrs 1hr up time Rotate the push turn control until the hold and the symbol flashes The duration of the hold t
25. uirements of the above mentioned EC Directive DIN EN 61 010 1 VDE 0411 part 1 2002 08 EN 61 010 1 2001 DIN EN 61 010 2 010 VDE 0411 part 2 010 2004 06 EN 61 010 2 010 2003 Schwabach 03 07 08 Legally binding signature of the issuer This declaration certifies compliance with the above mentioned directives but does not include a property assurance The safety note given in the product documentation which are part of the supply must be observed EXCELLENT page 24 Standard units are safety approved and bear the test marks 6pPOBONns y ns G Sicherheit O a Prnuguxa This product is subject to the Directive 2002 96 EC by the European Parliament and the EU Council of Ministers which concerns Waste Electrical and Electronic Equipment WEEE This product has been put on the market after 13 August 2005 in countries which have already incorporated this Directive into National Law It should not be disposed off as part of domestic refuse For disposal please contact your dealer or the manufacturer Products which are infected infectious or contaminated with health endangering substances are excluded from return Please note also all further regulations in this context lt 5 6 m lt 16 Address and customer service MEMMERT GmbH Co KG PO Box 17 20 91107 Schwabach Germany Phone 00 49 9122 925 0 Fax 00 49 9122 14585 E mail sales memmert com Internet www memmert com Customer service
26. xed factory set maximum temperature is exceeded by approx 30 C the temperature limiter switches off the heating permanently as a final protective measure The A symbol lights up continuously as fault indication In addition to its function as overtemperature protection the TB also operates as low level protection i e the heating is switched off permanently if the liquid drops below a certain level Fault rectification after the TB cut out has been activated 1 Switch off the bath and allow it to cool down 2 Rectify the fault e g top up the liquid replace temperature probe and where appropriate contact customer service 3 The bath is again ready for operation only after it has cooled down and after the fault has been rectified 7 2 Electronic temperature monitor Monitor temperature Using the push turn control select the Adjustment range up to 10 C max monitor temperature above nominal temperature for With the SET key depressed use the push turn nominal temperature see rating control to set the monitor temperature label Note The monitor temperature must always be set sufficiently high above the maximum working temperature The manually selected monitor temperature of the electronic overtemperature protection is monitored in the case of waterbaths either by an adjustable temperature monitor TWW Protection Class 3 1 to DIN 12880 or by an adjustable temperature limiter TWB Protection Class 2 to DI
27. y page 8 3 3 Installation oilbaths Mains connection Filling Draining The mains connection cable must be placed away from any hot surface max water level me o min water level i drain valve IMPORTANT The liquid level in the bath must be between the two markings at the right side of the tub The spacing between top edge of oilbath and liquid level must be at least 30 mm as the oil expands strongly on heating The tank can be drained through the drain valve The thermostating fluid must be cooled to room temperature before draining Drain the fluid either directly into an appropriate container or connect an appropriate hose to the drain valve NOTE Polluted fluids and oils may not be drained into the ublic wastewater system Please make sure that the oil will be roperlydumped according to the applicable regulations For safety reasons the flash point of the oil must be at 300 C or higher The manufacturer of the oil may also have special regulations for oil changing intervals due to pollution oraging of the oil which have to be observed In case of fire never extinguish with water Use a suitable damping down medium e g fire blanket An overheated bath must never be refilled or topped up Warning bath hot when operating page 9 EXCELLENT 4 Bath construction and operation relatively largest heat loss since minimum heat loss since furthest away from the heated ribs very
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