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Operating Instructions - Lauda

1. Overtemperature switch off point First adjust setpoint Ts at a lower adjusted below setpoint Ts value then set requested overtemperature switch off point Display Wrong input Setpoint adjusted below low Adjust low temperature switch off Ts lt Tu temperature switch off point point Tu at a lower value Tu Low temperature switch off point First adjust setpoint at an higher adjusted above setpoint temperature then set requested Ts low temperature switch off point Tu G Therm Service Fehler Fehlpe1 doc 04 12 98 page 1 of 4 Notes for trouble shooting for LAUDA Thermostats with P electronics Malfunction 1 Faut Reason Remedy O Setpoint Ts is not Operating error Setpoint is determined by the Switch off analogue input adjustable but will analogue input see right side of disappear display L2 A Sound signal appears Another function blocks the Leave the function or press ESC keybord e g programme runs RS 232 R appears on the right HS 232 active Parameter etc Ge of display L2 Stop access and press the button Local Display Wrong input Actual value is lt Tu resp Set low temperature switch off Tu Cursor flashes setpoint adjusted too close to point Tu at a lower value acoustic signal switches low temperature switch off point compressor off after 1 Tu bath temperature Ti falls min below Tu Display Wrong input Tried to enter values being out Choose the right va
2. J key SHIFT LED OFF L2 shows L2 Ts 20 00 C Til The setpoint TS can be input within the unit temperature range but not higher than the LOCAL current overtemperature switch off point When the input is too high pressing i does not enter the value but instead the message L2 TS gt gt To appears Input TS with number keys incl negative sign SHIFT OFF e g for 25 03 C input 220 0 3 ai Or for 1 93 C input 0 0 1 9 3 After the last digit the cursor returns to the first digit again so that corrections can easily be made Heating up The unit is equipped with an automatic limitation of the heater surface temperature being always in function If the probe for safety temperature control coupled to the heater surface monitors a temperature of more than 9K above bath temperature the heater is switched off it is switched on again at a temperature of about 7K above They display accordingly shows l This function prevents the heat carrier liguid from high film temperatures during heating up at higher viscosities When refilling outgas or heat up the heat carrier liguid according to Item 6 1 YATE0012 22 07 08 27 LAUDA High temperature Thermostat USH 400 USH 400 6 5 2 8 5 3 9 3 1 9 3 2 Warning indication for motor chamber temperature If TA appears in line L1 see Item 5 2 1 the unit indicates that the temperature of the pump motor chamber is above approx 55 C At the same time an audible alar
3. Example 0 6 0 0 0 Ka Ti or T2 can be calibrated in the same way In order to avoid dangerous conditions the correction is limited to 5 K In case of larger corrections the display shows L1 CORRECTION VALUE L2 TOO LARGE and the entered value is not accepted ESC You can leave the calibration level with e 5 9 Control parameters 5 5 1 Indication and input of the control parameters PARCI Pressing the key several times in the SHIFT mode green LED in shift key alight shows the outflow temperature limitation the correction limitation and the control parameters Xp Tn and Tv on the display in L2 YATE0012 1 06 12 02 32 LAUDA High temperature Thermostat USH 400 USH 400 6 5 5 2 5 5 3 Example L2 Tio 120 C Ti L2 Td _30 C Ti L2 Xp 0 5 C Ti L2 Tn _ 12 0 s Ti L2 Tv _ 20s Ti In order to use control parameters other than those found by auto adaptation see Item 5 3 1 the values can be entered in the appropriate display after switching off the O SHIFT function pressing e LED OFF Example for Xp if the required value is 1 0 C For values above 200 0 C or 200 0 sec the message L2 OUT OF RANGE appears Recommendations for the control parameters In most cases satisfactory control results are obtained with the following control parameters USH 400 USH 400 6 Xp 2 C 3 C Tn 25S 25S Tv oS oS Bath temperature limitation The limitation of the bath temperature is an additional
4. L1 RK20K 0 K12K 1 L2 Type O PAR d Release the keys and L J and go through the menu with the key until the required type appears Input the code number and enter with The type designations are shown abbreviated e g C 6 C instead of C 6 CP There is no provision for a fuse for the complete unit since the necessary 16A fuse corresponds to the mains fuse usually provided at the location The control circuit of the unit has a separate fuse a fuse 5 x 20 F4A is located in the control unit This is accessible after removing the cover When the fuse has blown the green lamp in the mains switch does not light up Cleaning The unit can be cleaned using a cloth moistened with water with the addition of a few drops of domestic detergent No water must find its way into the control unit The user is responsible for any necessary decontamination if dangerous materials have been spilled on or inside the unit This applies in particular if the unit is removed for a different use for repair storage etc The method of cleaning or decontamination is determined by the expertise of the user If the user has any doubts on whether this may damage the unit he has to contact the manufacturer YATE0012 1 06 12 02 59 LAUDA High temperature Thermostat USH 400 USH 400 6 7 4 Spares ordering When ordering spares please specify the equipment type and number on the label This avoids queries and prevents the supply of wrong goods LAUDA Se
5. L1 SET Umax L2 YES 1 When the voltage or current corresponding to the upper range limit is applied to the input confirm this by input of 1 a The display shows L2 XXXXXXXXXXX The calibration takes approx 60 sec The display then returns to the standard display The calibration is completed owitch on the external setpoint from an analogue input as in Item 5 9 2 5 10 Analogue outputs Two analogue output channels are available at the socket Temp Signal 52 S see Item 5 8 They can be set to carry the temperature values Ti bath temperature T1 temperature at ext Pt 100 T1 T2 temperature at ext Pt 100 T2 TS setpoint YATE0012 06 12 02 44 LAUDA High temperature Thermostat USH 400 USH 400 6 5 10 1 Temperature signal channel 1 Channel 1 can be configured at socket 52 S on pin 2 as a voltage output or on pin 5 as a current output Press the key in SHIFT mode The display shows L1 ANALOG INP OUTP L2 INP 0 OUTP 1 Select the processing of the outputs by pressing 1 al The display shows L1 Analog output L2 Chan 1 1 Chan 2 2 Select channel 1 by pressing 1 Fe The display shows L1 Analog output l2 U 01 1 YATE0012 1 06 12 02 45 LAUDA High temperature Thermostat USH 400 USH 400 6 Select the current output with 1 sl The display shows L1 CURRENT OUTPUT L2 0 20 0 4 20 1 Select the required current range 0 20 mA or 4 20 mA by pressing 0 or 1 Pe The current range select
6. USH 400 6 Now you can input a tolerance range value from 0 1 to 9 9 C l e if the control variable bath temperature or external temperature T1 or T2 deviates from the set temperature of the segment by more than the tolerance range value while the programme is running then the programme sequence will be stopped until the control variable is within the tolerance range again At the same time a T appears on the right in L2 The input of 0 0 switches off the tolerance range function 38 YATE0012 1 06 12 02 LAUDA High temperature Thermostat USH 400 USH 400 6 5 7 2 Example of a programme Segment Nr C 100 50 0 1 2 3 h 5 6 7 8 9 10 11 12 t h Segment No Input Press ENTER Tstart 03000 1x 1 C 07000 1x h 02 1x min 00 1x 2 C 07000 1x h 01 1x min 30 1x 3 C 09000 1x h 02 1x min 00 1x 4 C 08000 1x h 02 1x min 00 1x 5 C 01000 1x h 02 1x min 30 2X Cycles 1 99 1x Tolerance range C 0 0 0 1 9 9 1x YATE0012 1 06 12 02 39 LAUDA High temperature Thermostat USH 400 USH 400 6 5 7 3 9 1 4 5 7 5 Programme test After the input of the programme it is advisable to check that the programme buffer contains the correct data This is done with the key in the SHIFT mode Pressing the key repeatedly produces the same sequence as during the input of the programme Changing the programme data Select the data line to be changed as in programme test SHIFT OFF This resets th
7. 091 ECF 023 FF16A EES 003 EEH 026 EML 006 EST 032 EZK 056 Blatt 5 ab Serienr Y 10 R 406 PL UL 382 1C UL 383 1A UL 384 1B UL 385 1 EAO 091 ECF 023 ECF 023 ECA 007 ECF 028 2x S281 B16 EEA 003 ERL 014 ESP 009 EST 032 EYY 027 EZK 056 Ger teliste Schaltplan R 403 PL List of parts Circuit diagram Liste de pi ces sch ma de connexions 230V 400V 3 N PE 50Hz X 23 X 24 X 25 X 26 X 28 X 29 X 50 X 51 X 52 X 53 X 54 X 58 X 59 Steckleiste 8pol Magnetventil EZK 057 Plug strip terminal Solenoid valve R glette fiches m les Vanne solenoide Buchsenieiste 8pol PT100 IST SI EQG 025 Socket terminal strip R glette douille Buchsenleiste 3pol Niveausensor EQG 024 Socket terminal strip 3pol Level sensor R glette douille 3pol D tecteur de niveau Buchsenleiste 3pol KTY 81 EQG 024 Socket terminal strip 3pol KTY 81 R glette douille 3pol KTY 81 Buchsenleiste 2pol Steuerung SSR EQG 024 Socket terminal strip 2pol Control SSR R glette douille 2pol Commande SSR Buchsenleiste 3pol Niveauanzeige nee Socket terminal strip 3pol Level indication R glette douilie 3pol Indication niveau Buchsenleiste 2pol I euchtdiode EOF 067 Socket terminal strip 2pol Luminous diode R glette douille 2pol Diode lumineuse Netzanschlu EQD 030 Mains connection Branchement sec
8. EE 18 3 3 6 leegen El DO Fa pz Cc 19 3 3 1 Controlled Cooler MV Elram dde ele eme tee 19 3 4 Operating and functional elements of the R 403 PL R 406 PL 19 3 4 1 e 19 4 UNPACKING ASSEMBLY AND SETTING UP nie nse ner ene see sense ese e seen nun nun nun En 20 EL DA a 20 412 USH400 USH II ao 20 4 2 1 Be 400 ENSE ugs ec sh 20 4 2 2 USA ADO RER KW Healing zerstreut 20 4 3 ConnecHon of xterrial E E aime at a ms sue nent ete et san EE e gea Sue 21 4 4 Cold oil blanket and extra functions dunnnnannnnn ana ne nen o none nen seen en one e eee eee re ERE ERE Ee Ee PER RSS SE Ee nnne nn nnn nnns 21 5 STARING UP dep met 22 5 1 Connection to SUP Vigani es ad vet EEE Eee 22 5 2 Basic lee e E 22 5 2 1 DSP e tl ais aaa 22 0 2 2 Basic Action ondnpul and Outb lb ses en ed nis n iste dl se 24 5 2 3 Automatic filling and level indication iii 24 0 2 4 Overtemperature switch off point sise 25 5 2 5 Low temperature switch off point sise 27 5 2 6 SEelDDlAL INPUT u p 27 5 2 7 HISALUNG UD EE 27 5 2 8 Warning indication for motor chamber temperature VV 28 5 9 Parameter level PAR Sn een 28 YATE0012 1 06 12 02 3 LAUDA High temperature Thermostat USH 400 USH 400 6 5 3 1 AIO AC DIO AAA O R O Ue ade R mE eai fuut O VK RO O do ae ei dia 28 0 3 2 CTO UIE I ALO eek a een 28 5 9 9 DISpIAVT SOIUIU OM L
9. EEUU I IN 59 7 4 Spares orde MO eR ERE 60 8 ACCESSORIES na na een vie td re 61 YATE0012 1 06 12 02 5 n LAUDA High temperature Thermostat USH 400 USH 400 6 1 Technical data to DIN 12876 1 1 Thermostat Ambient temperature range C Operating temperature range C Working temperature range C with MVH C with MVH and extra chiller C Temperature probe Temperature accuracy C ext volume 1 L Heating rating max KW Heater surface loading lem Safety functions Simplex pump Flow at zero head pump output l min discharge pressure max bar Liquid volume 1 Expansion volume 1 with extra expansion vessel Liquid volume 1 Expansion volume 1 Heat transfer fluid 80 350 C Base area dia x height mm thermostat only Weight without R 403 PL R 406 PL kg Units are conform to EU Guideline 89 336 EWG EMC and 73 23 EWG low voltage and carry the CE mark Supply Cat No Thermostat control and operating element Cat No thermostat only see 2 3 YATE0012 06 12 02 USH 400 USH 400 6 5 50 0 400 80 250 400 20 400 O 400 Pt100 Class A to DIN IEC 751 0 02 0 1 0 02 0 2 3 0 5 6 approx 3 approx 6 2nd resistance thermometer and level detector 22 0 8 1 9 0 9 2 1 2 2 Ultra 350 Do not use water 180 x 540 17 Protection class 1 to VDE 0106 230 V 50 Hz 230 400 V 230 V 60 Hz 3 N P
10. EQS 022 Use shielded connecting cables Connect the shielding to the plug case Cover the unused connectors with protective caps One probe can be selected for the actual value for external control The unit then operates with cascade control to this actual value i e the unit controls the temperature at the external measurement point to the selected setpoint by suitably altering the bath temperature Thus the influence of disturbance changes of load or through flow etc can be reduced considerably or eliminated totally 5 6 1 Start of external control Connect platinum resistance thermometers to both of the Pt 100 inputs 10 S T1 and T2 It is sensible but not essential to use T1 if only one input is in use O The external control using the measuring point T1 is switched on with the key in the SHIFT mode pressing the key again switches to T2 as control variable O Pressing the L key once more SHIFT ON switches back to the bath control internal Ti In L2 the position before the final one shows the parameter used as control variable YATE0012 1 06 12 02 35 LAUDA High temperature Thermostat USH 400 USH 400 6 L2 Ts 120 35 Ti T1 T2 This setting remains stored in case of a fault or after the power is switched off If T1 is selected but no probe has been connected the message L1 Ext Pt 100 not L2 connected appears The unit then switches the control variable to T2 automatically If T2 is also not conn
11. Metal hoses with special insulation 3 layer insulation Temperature range 0 350 C Metal hose MC 50 S 50 cm long Metal hose MC 100 S 100 cm long Metal hose MC 150 S 150 cm long Metal hose MC 200 S 200 cm long Cat No LZM 046 Cat No LZM 047 Cat No LZM 048 Cat No LZM 049 nf e Highly flexible thermally insulated stainless steel V2A metal hoses with M 16 x 1 mm connecting thread Int diameter 10 mm These hoses offer optimum security YATE0012 1 06 12 02 58 LAUDA High temperature Thermostat USH 400 USH 400 6 7 7 1 7 2 7 3 Maintenance Safety notes in case of repairs Always pull out the mains plug for all repair and cleaning operations Repairs on the control unit with the cover removed must be carried out by a qualified electrician only Repairs and re initialisation LAUDA thermostats are largely free from maintenance Dirty thermostatic liquid should be removed through the drain cock and replaced If the unit should become faulty it may be advisable to return only the faulty module where appropriate When replacing the control unit check whether the new control unit has been programmed for the correct basic unit type If the correct type does not appear after having switched on the mains switch proceed as follows PAR O Mains switch off press the keys ser and 4 J simultaneously and at the same time switch on the supply Wait until the following display appears
12. Na pa aaa 29 5 3 4 Contact input fault T4 N alarm in er nan da ee 29 5 3 5 BAU EA AA E A er eee 30 5 3 6 Mentlanquade gr sr dad unr oa a u ba on 30 5 3 7 Calibrating the analogue output channels 0 nn0nnnannaannnnnnennnnnnnnnnnnnnnnnnrrnnrrerrnnrrnnrrnnrrerrsnrrsnrnene 31 5 4 Calibration of the temperature measurement circuits ee se rene sere nene enes eren nn 31 5 5 Control parameter iii Re COD oo inak esu CI o BSE SAU PEU ga n Co oo EV EE dudo Neue 32 5 5 1 Indication and input of the control parameters 32 5 5 2 Recommendations for the control parameters 33 5 5 3 Bain temperature IMILAUON sd duces Deseo dis zaberou ka 33 5 5 4 Gorrec llom Mita ON sr E RS t a er h 34 5 6 External measurement inputs and external controller e enen nenen 35 5 6 1 Start OL external CONTO coe 35 5 6 2 A o y Er RN u oa 36 5 7 Op ration With Programmer sonata een 36 5 7 1 Programme Mpui ae na 37 5 7 2 Example Ola Programme aaa 39 5 7 3 Programme TesL nn ie esto ee 40 5 7 4 Changing the programme data nennen nnne an nenne nenne sane rasan kre eee eres 40 5 7 5 Programme start interruption and abort nennen anne anne nenn nennen 40 5 8 Connection for analogue signal socket 52 Sa uaaaaannana nenen no ase eee e non sere ren n ese rere nes see eee nese e eren nese ses ee nnn nnns 41 9 9 Analogie IMP
13. cannot be selected Safety functions The built in overtemperature limiter can be set over the complete operating temperature range The bath temperature is measured by a separate Pt 100 resistance sensor TSi and processed by a separate analogue digital converter The measured value is compared with the measured value of the bath temperature probe Ti continuously If the measurements differ by more than 18 K the thermostat switches off as in the case of a low level or overtemperature fault The function of the microprocessor is monitored by an integrated watchdog circuit and an additional counter which operates similarly to a normal watchdog circuit but is also capable of switching off the unit in case of a strobe failure When the set overtemperature switch off point TO is exceeded the unit switches off permanently on all poles According to Class 2 a float switch with magnetic coupling part of the level detector for level indication acts as a low level cut out and also switches off the unit pump and heater permanently on all poles In both fault conditions the display indicates the corresponding message and additionally an audible signal draws attention to the fault The switch off function of the safety circuit remains stored even during a break in the supply or after having switched off the supply ir Reset is possible by pressing the reset key O J but only after having eliminated the troubles The pump motor is fitt
14. control variable to the source Ti probe in the bath control according to the bath temperature SEG XXX XX XX XX using this progcamme segment command a segment can YATE0012 1 06 12 02 be written to the programmer buffer It indicates the target temperature and the segment time hours 2 digits max and minutes 59 max The segment start is formed by the current setpoint i e before the transfer of a programme segment it is useful to transfer a setpoint as a segment start suitable for the subsequent segment using OUT XXX XX 52 LAUDA High temperature Thermostat USH 400 USH 400 6 SEG XX XXX XX XX OUT TBX X OUT CYXX START STOP 5 13 4 IN 1 single segment with segment number used when whole temperature programmes are to be loaded from the computer to the thermostat Thus in contrast to the command SEG several segments may be transmitted The programme starts with the latest setpoint therefore please check before START whether the setpoint suitable for the first segment is available in the unit the tolerance range value is V2of the value of the total range i e 0 5 is 0 5 K range 0 1 9 9 K 0 0 switches off the tolerance range function number of the programme cycles range 1 99 0 switches off the function i e the programme is repeated until it is stopped manually starts the segment contained in the programme buffer stops the programme segment run With START the programme segment start
15. for thermostating closed external systems The design permits the operation at outflow temperatures up to 400 C when using suitable liquids Connecting a heat exchanger to cool the liquid enables the abstraction of energy and temperatures down to 20 C can be reached YATE0012 1 06 12 02 16 LAUDA High temperature Thermostat USH 400 USH 400 6 3 2 Construction The unit consists of a thermostating tank 21 fitted with the functional elements such as heater 22 pump 19 and temperature probes 10 20 The pump shaft 15 is inserted into this tank from the top through a sleeve without guide The gap between the shaft and sleeve also serves as a connection between the thermostating tank and the expansion vessel 7 for the liquid interchange The thermal break between the thermostating tank and the expansion vessel is provided by thermal insulation an air gap and a cooling chamber 17 through which the floor of the expansion vessel may be cooled with compressed air nitrogen oil or water if required The liquid level in the expansion vessel is sensed by a float 16 with a digital transmitter and indicated on the R 403 PL R 406 PL control unit The pump motor 13 and the electrical termination chambers 14 are arranged above the expansion vessel All parts in contact with the liquid are made from rust free stainless steel or from a material well suited to the used heat transfer fluid Most of the electrical and electronic
16. in order to get a smooth heating of the material or the vessel Such a limit value can be selected by the variable Td If the value Td is exceeded the heating or cooling output is set to O If this function is activated the time for heating up or cooling down may be extended To enter the difference value Td proceed as described in Item 5 5 1 and switch the display to input and indication Example L2 Td _ 30 C Change the value by entering the figures with a resolution of 1 C LOCAL Enter the new value by pressing ENTER It is possible to select values within the temperature range from 5 C to 150 C If this range has not been respected the display shows YATE0012 1 06 12 02 34 LAUDA High temperature Thermostat USH 400 USH 400 6 L2 OUT OF RANGE and there is an acoustic signal This function can be switched off by entering L2 Td 000 C The fixed correction limit at 25 C as described in Item 5 6 2 is set out of function as soon as the above mentioned function has been entered 5 6 External measurement inputs and external controller The units have two Pt 100 temperature measurement inputs whose measurements can be indicated T1 T2 You can connect an external Pt 100 T1 T2 at the rear connectors 10 S in 4 wire circuit Pin connections sockets 10 S Pt 100 pin 1 current path 2 U voltage path D 3 U voltage path Pt 100 4 current path DIN IEC 751 Plug 4 pin Lemosa for Pt 100 connection Cat No
17. low leave the PAR level with and make a new selection Calibration of channel 2 is similar Connect the measuring instrument to pin 1 voltage signal only Calibration of the temperature measurement circuits With the calibration function the indications of the three temperature measuring points bath temperature Ti external Pt 100 probe T1 and external Pt 100 probe T2 can be set to a known accurate value he resulting correction is processed additively over the entire temperature range Check first that a sufficiently accurate reference is available otherwise it is better to use the factory calibration which gets lost by overwriting CAL Pressing the key L in the SHIFT mode green LED in shift key alight produces the display YATE0012 1 06 12 02 T 31 LAUDA High temperature Thermostat USH 400 USH 400 6 L1 CALIBRATE L2 Ti O T1721 T2 2 LOCAL The channel to be calibrated is selected with 0 1 or 2 K l When selecting an unused channel e g Pt 100 on T2 not connected to T2 the display shows L1 Ext Pt 100 not L2 connected For calibration a sufficiently accurate reference temperature measurement should be possible and the measurement point temperature should be constant The display shows L1 T1 61 04 C L2 Toe C The value shown in L1 is the measured value obtained without any correction using probe and electronics without calibration Now enter the real value for measurement point T1 e g 60 00 C
18. or off at the time to be selected subsequently in Item 5 14 3 Input either 1 or 0 as appropriate A display to input date and time appears Input here the switching point for the timing function as described in Item 5 14 1 and LOCAL enter it with d The display returns to the standard display 5 14 3 Activating the timing function By pressing the key in SHIFT mode the display shows the selection menu as described in Item 5 14 1 Activate the timing function with ACTIV 1 by the input of Jl Again the display shows L1 Clock L2 ON 1 OFF 0 YATE0012 1 06 12 02 56 LAUDA High temperature Thermostat USH 400 USH 400 6 6 1 LOCAL Normally 1 is input here to activate the timing function The timing clock symbol now appears in line L1 before the last position If the previous selection was that the thermostat should switch on automatically the thermostat now switches off and starts up at the selected time When the unit has been switched off through the timing function the display shows L2 CLOCK STOP The activated timing function can always be switched off with off 0 i e with O ESC In addition the timing function can be cancelled at any time with Bath liquids and hose connections Bath liquids Water must not be used For use with the high temperature thermostat USH 400 we recommend to use our organic heat carrier liquid Ultra Therm 330 SCB Cat No LZB 007 This liquid can be used for operatin
19. see ltem 5 3 5 Values from the computer can be transferred directly to the thermostat i e transmitted e g OUT SEG and START commands or data can be transmitted from the thermostat to the computer on request with an IN command An OUT SEG or START command if transmitted correctly is always acknowledged by the thermostat with the message OK followed by LF and CR This message like any other response has to be requested by the computer Any output command OUT SEG START STOP switches the thermostat to remote operation This can be recognized by an R setpoint source RS 232 on the right in L2 I pise L1 isp L2 Then all the keys are locked except for the functions SHIFT UE and SHIFT Y If no output command follows from the connected computer the keyboard can be activated until the next output command by pressing the keys SHIFT The data requests by the thermostat IN commands only lock the programme keys PRODR INPUT SHIFT J and SHIFT ka All the other key functions are in operation In the following text the symbol will be taken to mean blank no character RS 232 interface and controller are operated by a single processor for optimum control it is therefore advisable to have pauses of at least 100 msec between the interface commands 5 13 3 Output commands OUT XXX XX Setpoint transfer with up to 3 places before the decimal point and up to 3 places behind This includes the negative sign Transf
20. temperature is as follows Note set baud rate to 4800 see Item 5 3 5 10 OPEN COM1 4800 N 8 2 AS 1 20 CLS 30 LOCATE 8 5 PRINT SPC 20 40 LOCATE 8 5 50 INPUT Channel No NO 60 PRINT 1 IN_ NO 70 INPUT 1 A 80 LOCATE 12 5 PRINT SPC 50 90 LOCATE 12 5 PRINT Response of the thermostat A 100 TI TIMER 1 110 IF TI gt TIMER THEN 110 120 GOTO 30 130 END The isolation of the status data may be as follows LEFT A 1 overtemperature fault MID A 2 1 low level fault MID A 3 1 programme segment running MID A 4 1 control by Ti T1 or T2 MID A 5 1 analogue input on off MID A 6 1 external Pt 100 T1 connected RIGHT A 1 external Pt 100 T2 connected YATE0012 1 06 12 02 54 LAUDA High temperature Thermostat USH 400 USH 400 6 5 13 5 5 14 5 14 1 Error messages on the computer The following error messages can be reported from the thermostat to the computer during operation ERR 2 invalid inputs e g overflow of the input buffer ERR 3 invalid command ERR 5 invalid command when switching the control variable for the controller e g external controller OUT RT2 Other command than OUT RTI OUT_RT1 OUT RT2 ERR 6 temperature value cannot be set ERR 7 syntax error in channel number ERR 8 channel does not exist Timing clock function The unit is equipped with a clock indicating day month year weekday hours and minutes and provides thes
21. the SHIFT mode the display shows L1 ANALOGUE INP OUTP L2 INP 0 OUTP 21 Pressing O PA selects configuration and scaling of a setpoint input The display shows L1 ANALOG INP OFF 0 L2 ON 1CONF 2 LOCAL Input 1 switches in a previously configured input as setpoint and L2 shows an A at the right end indicating that the setpoint is determined by the analogue input This condition remains stored in case of a fault or after the power is switched off LOCAL Input 0 e switches the setpoint back to setpoint source l internal i e key input Scaling takes place interactively by applying the voltage and current values corresponding to the appropriate temperature range limits to the corresponding input For pin connections for voltage or current input on socket 52 S see Item 5 8 This method compensates for various scaling errors e g also those of the sources connected Pressing 2 configures and scales the setpoint input The display shows L1 ANALOG INPUT L2 U 0 1 1 Select a voltage range with 0 Voltages in the range 0 10 5 V can be handled A current range is selected with 1 Currents in the range 0 22 mA can be handled The display shows L1 ANALOG INPUT YATE0012 1 06 12 02 42 LAUDA High temperature Thermostat USH 400 USH 400 6 L2 min2 C Input the lowest temperature of the range which corresponds to the lowest voltage or current value of the range to be scaled Example range 0 120 C shou
22. the menu language can be selected Enter the corresponding code numbers 0 1 or 2 with Fa on SHIFT OFF YATE0012 1 06 12 02 30 LAUDA High temperature Thermostat USH 400 USH 400 6 9 3 7 5 4 Calibrating the analogue output channels The 90 values of the analogue voltage outputs channels 1 and 2 or the analogue current output of channel 1 can be calibrated separately for channel 1 voltage or current and channel 2 voltage The factory calibration on channels 1 and 2 for 0 10 V 100 400 C is performed at 9 V 350 C In special cases e g to correct scaling deviations of instruments connected to the output or if channel 1 is to be a current output the output can be calibrated by the user At the PAR level display select L1 Analogue outp Cal L2 Chan 121 Chan2 2 Input SHIFT OFF 1 M or 2 for channel 2 Depending on the selected configuration of the analogue outputs see Item 5 8 the socket 52 S carries a voltage signal of approx 95 or 9 5 V or pin 5 the corresponding current signal of approx 19 mA in case of current configuration for channel 1 Using a precision multimeter or e g a temperature recorder set the output signal to 9 V i or 18 mA or the corresponding temperature by repeated operation of the key SHIFT ON The output signal decreases by one level each time a key is pressed ESC Pressing leaves the menu and the most recent value setting is entered ESC If the value was selected too
23. through a magnetic probe with Hall sensors An additional expansion vessel of approx 1 volume can be attached through the connecting sleeve 25 if necessary In addition there is an olive 10 mm ext diameter at the top end of the expansion vessel as an inert gas connection 6 and a connection piece with olive 13 mm ext diameter as overflow 1 The back of the unit carries a heavy strap 2 with two threaded holes M 10 for mounting the unit on a laboratory wall Motor chamber The motor chamber 14 takes the control cable connections the level sensor electronics as well as the pump motor with fan separated from the rest by the air guide it draws air from below the noise cover and blows it out in a downward direction above the expansion vessel By removing the housing all functional elements are accessible The connection terminals for the control cable can easily be reached e g for connecting a longer cable Warning only to be done by a qualified electrician Controlled cooler MVH For automatic cooling the thermostat USH 400 can be equipped with a controlled cooler MVH The MVH is supplied with the heat carrier liquid by one pair of the pump connections Then the unit can be operated with water cooling within the total operating temperature range The control electronics for both solenoid valves oil water is installed in the controller R 403 PL R 406 PL as standard equipment Operating and functional elements of t
24. 00 C6 Heizung De REN V S NEE l eod ee 4 5 AI e NN u ala 5 C1 3 64 H B F1 Punae Anschlu re lan us3 Dusq o vasunsapuyg UI UI Y JON 33 1 JG UO 3005121 JA PUN amp unet i19J 1I9 29A JP Yiigerllryosuisns 91122940 CUnz 3nwN UD UTO JSDGU gt USC TAJM PENO ua VU 2110 sun Jin UD OUDO BUDUUDI DZ seat JD 9 Ger teliste Schaltplan List of parts Circuit diagram Liste de pi ces sch ma de connexions 230V 400V 3 N PE 50Hz A7 B 1 B 2 C 1 C6 E 1 E2 F1 X51 X 52 X 53 X 56 Leiterplatte Schwimmer Printed circuit board Float Circuit imprim Flotteur Pt 100 F hler Sicherheitskreis Pt 100 Probe Safety circuit Pt 100 Sonde Circuit securit Pt 100 F hler Istwert Pt 100 Probe actual value Pt 100 Sonde valeur r elle Motorkondensator Motor condenser Condensateur moteur Entst rkondensator Interference capacitor Condensateur d antiparasitage Heizk rper Heater Corps de chauffe Heizk rper Heater Corps de chauffe Klixon Intern Klixon Klixon Steckereinsatz 10pol Anbaugeh use Plug 10 channels extra housing Connecteur 10 p les boitier suppl mentaire Steckleiste SUB D 15 pol Geh use Plug strip SUB D 15 channels housing R glette fiches m les 15 p les boitier Reihenklemme Line up terminal Barrette bornes Steckleiste 16pol Schwimmer Plug strip terminal Float R glette fiche
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26. 2 49 LAUDA High temperature Thermostat USH 400 USH 400 6 5 13 5 13 1 Digital serial interface RS 232 C Plug connection and characteristics 9 pin sub D socket 53 S Use shielded connecting cables Connect the shielding to the plug case Cover the unused connectors with protective caps Cables used computer end 25 pin OK O NNO Computer Thermostat 9 pin 9 pin RxD 2 2 T x D transmitted data TxD 3 3 R x D received data SG 5 5 signal ground DSR 6 6 DTR data terminal ready RTS T T CTS clear to send CTS 8 8 RTS request to send Using this interface it is possible to transfer the following data from or to a computer with a suitable interface 1 2 YATE0012 1 06 12 02 Transfer of the setpoint from the computer to the thermostat Read out of the bath temperature Ti the external temperature T1 the external temperature T2 and the setpoint of the unit Transfer of the low temperature and overtemperature switch off point Read out of the set overtemperature and low temperature switch off point Read out of the fault signal Transfer of the ramp segments and their processing Status signal Read out of the control parameter and transfer External controller status and start 50 LAUDA High temperature Thermostat USH 400 USH 400 6 5 13 2 General principles The interface operates with two stop bits no parity bit and with 8 data bits The transfer rate can be set to 4800 baud or 9600 baud
27. 21 22 23 24 25 26 27 28 29 30 Overflow M 16 x 1 dia 13 mm Fixing strap with two threads M 10 Connections for cooling chamber M 14 x 1 5 Pump connection Outflow 1 M 16 x 1 Pump connection Return 1 M 16 x 1 Inert gas connection 10 mm dia Expansion vessel Insulation Pump connection Outflow M 16 x 1 Temperature probe Safety circuit Insulation Handle Pump motor Motor chamber Pump shaft Float for level detector Cooling chamber Seal Pump Temperature probe Measurement Thermostating tank Heater USH 400 3 kW USH 400 6 5 6 kW Drain cock Control cable with special plug Connection Extra expansion vessel M 16 x 1 Pump connection Return 2 M 16 x 1 Filler opening M 16 x 1 Connection Vent valve M 16 x 1 expansion vessel Vent valve Connection Vent valve thermostating tank YATE0012 1 06 12 02 9 LAUDA High temperature Thermostat USH 400 USH 400 6 Niveauanzeige Level indication Indication niveau 5 2 3 Parameterebene Parameter menue Menu des parametres Programmgeber 53 Programmer Programmateur Signalleuchte St rung j T 3 0 0 i 0 0 j C H le qd u Ts 300 00N C Ti I e Extern Regelung bertemperatur Extern control Overtemperature 2 CS Ls Jit hi EE F 1 NNI Sefpoint Valeur de consigne oder BJ ose Entrees sorties analogique N J ENTER i 5 9 5 10 Temperaturkalibrierung Temperature Calibration Calibrage temperature Schaltuhr 5 4 Timer Hor
28. E 50 Hz 3 2 kW 5 8 kW LTH 109 LTH 211 LTH 209 TTH 109 1 TTH 211 1 6 LAUDA High temperature Thermostat USH 400 USH 400 6 1 2 Control and operating element R 403 PL R 406 PL Ambient temperature C Temperature controller Control range C Temperature setting resolution Temperature measurement outflow External temperature measurement Display Temperatue control Heating actuator R 403 PL R 406 PL Automatic filling Control circuit for controlled cooling MVH Safety devices Overtemperature measurement Level indication Extra functions Interface connectors according to NAMUR recommendation Digital interface see Item 2 3 Bench area W x D x H mm Weight kg Supply 230 V 50 60 Hz Cat No YATE0012 06 12 02 5 40 30 405 membrane keypad with 16 keys setpoint input with 0 01 C resolution built in digital thermometer with 0 01 C resolution Accuracy and stability of measurement electronics without probe better than 0 05 11 0 05 K Temp probe Pt 100 according to DIN IEC 751 can be calibrated additively at each measurement point 2 separate temperature measurement circuits for ext Pt 100 to DIN IEC 751 in 4 wire circuit accuracy and stability of measurement better than 0 05 10 05K can be calibrated additively at each measurement point One probe produces the measurement for external control back lit LCD matrix display two lines with 16 signs each 10
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30. Operating Instructions LAUDA High temperature Thermostat USH 400 with R 403 PL USH 400 6 with R 406 PL Valid from series LTH 109 08 0002 LTH 211 08 0006 from software version 2 21 08 2008 replaces release Z 01 01 01 YATEOO12 LAUDA DR R WOBSER GMBH amp CO KG P O Box 1251 97912 Lauda Konigshofen Germany Phone 49 0 9343 503 0 Fax 49 0 9343 503 222 E mail info lauda de Internet http www lauda de LAUDA High temperature Thermostat USH 400 USH 400 6 1 TECHNICAL DATA TO DIN 12870 2 22 22 cuta Vosa Qu n ni se Nc 6 Ek Terre P 6 1 2 Control and operating element R 403 PL R 406 PL ne eee skene seen ee ne esse ee mn mese 7 2 SAFETY DEVICES AND WARNING NOTES anon nan ena nene nece enne nennen sense ee sen sene see sere se ese res 15 2 1 Operating Safety dia DTE 15 2 2 Why can a thermostat be dangerous uuuuuusnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnnnnnnn 15 E NR e e e Cl Le 15 24 NV C Un Une ja o ho m id 16 3 GENERAL CONSTRUCTION AND TECHNICAL DESCRIPTION nen nene sens sense res 16 3 1 ADPICALUON Ee Ent 16 NI e 17 3 3 Operating and functional elements thermostat nenen nese eren nes eee rrene e see ee nn esse anon 17 3 3 1 Tnermoslaling taa ee en 17 3 3 2 E Maa a a SEE HC EE 17 9 99 m RN PEE MD RM 18 394 hemperalure PODE cu aste e acids Up cies cn M nad DS M DIM LL D IE Li Les 18 3 9 5 EXPANSION
31. ULS pete err c Et 42 9 19 Analogie OULDUNS 2 28 A A 44 5 10 1 Temperature signal channel 1 ii ee 45 5 10 2 Temperature signal cnannel 2 uii en nent uu bus 47 9 11 Safety le e 47 5 12 Checking the Safely 1unchHoNS ca 48 9 12 11 Eoo is peine een 48 5 12 2 Adjustable overtemperature limiter 00nn0ann0nnnannennnannnnnnennsnrrrnnrnrrnnerrrrsnrrrrronrrnnernrrnnrrrrronrererrnne 48 9 13 Digital serial interface RS EE 50 5 13 1 Plug connection and characteristics 4 50 192 General ele e se oen ied uie eet a psc d dina I oa 51 KT Output COMMANG S sits 2a RS inteso Vies leisen 51 5 13 4 Requesting data from the thermostat 53 5 13 5 Error messages on the computer ie 55 5 14 Timing clock TUNCLION eisen en 55 0 14 1 Setting and indication of date and time 55 5 142 MINO COCK UNCION eese ER esse ht 56 5 14 3 Activating the timing function aannnannannnannnnnnennnnnnsnnnnnnnrrnsnrrsnrnnrrenrnrrrsnrrnrrnnrrsnrnnrrnnrrerrrsnrnerrnne 56 6 BATH LIQUIDS AND HOSE CONNECTIONS sere se esse nese se esse esen see sene se ese rene ese ees 57 YATEO012 06 12 02 ad LAUDA High temperature Thermostat USH 400 USH 400 6 6 1 zr o Vo Sui 57 0 2 HOSBECORNBENONS eet 58 Z MAINTENANCE Soma 59 TA Safety notesin case Ol TOPAIES ai is dani sh ed seo usa d 59 7 2 hepals andTe nalSatoT s gaz qe d zj vje S m cones E te nn en ai rs een hand ee 59 ES AGJERIMI in p t de ELM MU IM UE M
32. ange selected within the working temperature range e g 50 80 C minimum load 4 kOhm or 0 6 V 200 400 C 10 mV K 0C 22V or 0 10 V 100 400 C or 0 10 V 0 100 C voltage output temperature signal channel 1 other data as pin 1 ground for all signals setpoint voltage input scaling can be selected as pin 1 Ri 12 kOhm approx pin 4 pin 3 current output temperature signal channel 1 signal selection as pin 1 Can be configured for 0 20 mA or 4 20 mA Scaling can be 0 20 4 20 mA 100 400 C or 0 20 4 20 mA 0 100 C or 0 20 4 20 mA a temperature range selected within the working temperature range e g 50 80 C maximum burden 330 Ohm Connect only either pin 2 or pin 5 setpoint current input configuration and scaling as pin 5 Burden 320 Ohm approx Maximum voltage 15 V Cat No EQS 057 Use shielded connecting cables Connect the shielding to the plug case The mass for all signals pin 3 must not be connected with ground If a connection to the ground cannot be avoided use a potential free signal bridge in between Cover the unused connectors with protective caps YATE0012 1 06 12 02 44 LAUDA High temperature Thermostat USH 400 USH 400 6 5 9 Analogue inputs A setpoint in the form of an analogue current or voltage signal can be provided by connection to the socket Temp Signal 52 S see Item 5 8 By pressing the key in
33. appears on the display If the liquid level keeps on dropping the heater and the pump are switched off see Item 2 2 The display means that there is the risk of overflow in the expansion vessel and the heater is switched off 5 2 4 Overtemperature switch off point losP 11 Press the t key to indicate the current overtemperature switch off point TO O Important The green LED in the key must not be alight If necessary bring the O keypad to the basic mode by pressing the key LED OFF If TU is indicated press O again to indicate TO YATE0012 06 12 02 25 LAUDA High temperature Thermostat USH 400 USH 400 6 L2 To 95 00 Ti TO overtemperature switch off point TO can be selected within the unit temperature range 5 K ESC Return to the standard display without change with ES A new value is input with the number keys SHIFT OFF e g 98 70 C requires O 9 8 7 0 m After the last digit the cursor returns to the first digit again so that any corrections can easily be made LOCAL Pressing ENTER always enters the value on the display LOCAL Pressing the key Enter you are asked L2 To new Y N 1 0 0 ANALOG Here the changed value must be confirmed with input or if no modification is ir requested the initial value can be unscrambled again with input J As default value 0 is preset This interrogation was introduced in order to reach an additional protection from unintentional adjusti
34. d external measuring point external consuming device or controller not stable not sufficient thermal contact to ext Pt 100 Unit does not cool down Controller output limitation at Adjust higher value at PAR level PAR level too small e g 100 96 Compressor defective Replace refrigeration unit by refrigeration engineer Leakage in refrigeration Clear leakage fill in refrigerant system by refrigeration engineer Compressor does notrun Compressor without tension Eliminate line interruption Triggering defective Replace PCB MP Mains Unit does not cool down Compressor does not run Pressure switch has actuated Unscrew grid clean condenser blow through compressed air improve ventilation Solenoid valves do not Triggering defective Replace PCB MP Mains work correctly Compressor switches ON Condensation pressure too Fan defective Replace fan motor and OFF in regular Fan speed only RK Check speed or speed controller periods temperature constancy very bad Condenser dirty Dust Unscrew grid from the back side blow compressed air or nitrogen through condenser gt Ventilation disturbed Enlarge distance to nearby units or walls EMEN LA temperature too Ds Air room Insufficient cooling in the geess Bath liquid contaminated by iac NN bath liquid to suit bath lower temperature range condensate temperature Cools down to approx 0 C Bath liquid not suitable water Use water g
35. e data of the indicated segment Then the data can be input as usual LOCAL Enter the new data with each Programme start interruption and abort It is useful to bring the operating temperature of the thermostat to the programme start temperature Tstart before starting the programme or to automatize it by the tolerance range function Start the programme sequence with ka in the SHIFT mode The programme sequence can then be followed by the indication of the setpoint TS L1 shows the segment number on the right and L2 shows as setpoint source P for programme on the right The keys 1 to 9 are blocked while the programme is running The programme sequence can be stopped with SHIFT 2 and then be re started with PROGR ON OFF J During the interruption of the programme the display shows a W wait on the right in L2 ESC ON OFF The programme can be aborted with and then SHIFT ka within two seconds Afterwards the programme can only be started with segment 1 YATE0012 1 06 12 02 40 LAUDA High temperature Thermostat USH 400 USH 400 6 5 8 Connection for analogue signal socket 52 S 6 pin flange socket according to NAMUR recommendation NE 28 Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Connector plug 6 pin voltage output temperature signal channel 2 setpoint TS bath temperature Ti external Pt 100 T1 or T2 can be selected Scaling can be as follows 0 10 V corresponding to a temperature r
36. e for the timing function The clock is backed for approx 10 years by a built in battery so that the clock continues to operate even when the unit is not connected to the electrical supply Setting and indication of date and time This function is only required when changing from summer to winter time and vice versa or when the unit is being operated in other time zones Date and time are set at the factory when the unit is started up for the first time By pressing the key in the SHIFT mode the display shows L1 Clock 0 Activ 1 L2 SET 2 FUNCT 3 LOCAL ESC By the input of 0 m date and time are indicated returns to the standard display The input of 2 be SET allows date and time to be altered The display shows L1 DA MO YE H MI L2 Day month year weekday hours and minutes are now input in sequence YATE0012 1 06 12 02 55 LAUDA High temperature Thermostat USH 400 USH 400 6 Weekday code Monday Tuesday Wednesday Thursday Friday Saturday Sunday NOOR WD gt The hours are input from O to 24 factory set to Central European Time Example L2 19 01 94 3 16 05 Terminate the input with 5 14 2 Timing clock function By pressing the key in the SHIFT mode the display shows the menu as described in Item 5 14 1 Select the timing function FUNCT 3 with 3 ES The display shows L1 Thermostat ON 1 L2 OROFF 0 Here it can be selected whether the thermostat should automatically switch on
37. ected the thermostat switches to Ti When changing the setpoint for more than 10 C it may be possible to achieve an improved control result by restarting the external control from the control variable Ti with SHIFT U4 Ju After power OFF the unit operates with control from the bath Ti for safety reasons external control must be re selected after power ON as explained above 5 6 2 Notes When operating with external control it is essential to ensure that the probe for the control variable is in good thermal contact with the liguid otherwise a poor control result must be expected or the control may be completely ineffective Proceeding from the control parameters used for bath control the control may have to be adapted either by auto adaptation see Item 5 3 1 or by the input of the control parameters Important Set the overtemperature switch off point TO see Item 5 2 4 sufficiently high Since the bath temperature may under certain circumstances become much higher than the setpoint 5 7 Operation with programmer Temperature programmes with up to 99 segments can be stored and processed A segment consists of a target temperature which is to be reached at the end of the segment and the time duration of the segment The time 00 00 for temperature differences is possible In connection with the tolerance range monitoring the programme continues not until the target temperature is reached It is useful to prepare a time tempera
38. ed with a temperature monitor which switches off if the motor winding overheats The heater is also switched off simultaneously After the motor winding has cooled down the pump starts up automatically YATE0012 22 07 08 uu LAUDA High temperature Thermostat USH 400 USH 400 6 5 12 5 12 1 5 12 2 Connection volt free contact Combined fault 12 N Alarm out 3 pin flange connector conforms to NAMUR recommendation NE 28 n o make common 1 2 3 n c break 1 2 are linked when unit operation is OK Coupling socket 3 pin Cat No EQD 047 Use shielded connecting cables Connect the shielding to the plug case Cover the unused connectors with protective caps Checking the safety functions Low level cut out For correct operation of the low level cut out it is necessary that the float switch operates correctly If the low level cut out is working according to 5 2 3 the check has been done during starting up A check of a filled unit is only possible by checking the display during the draining process of the heat transfer fluid If the liquid level within the expansion tank falls below the indication H pump and heater are switched off on all poles The display shows the message L4 LEVEL L2 TOO LOW and there is a warning beep itr To restart fill up the bath and press the reset key H J twice with approx 1 sec interval Adjustable overtemperature limiter To check it the switch off point To has to be set b
39. eep is switched off Automatic filling and level indication Proceed with starting up as described in Item 5 1 but without heat carrier liquid filling The error message appears L1 Level L2 TOO LOW und there is a beep YATE0012 1 06 12 02 A 24 LAUDA High temperature Thermostat USH 400 USH 400 6 Press the key one time On the display appears L1 Filling v Fill in heat carrier liquid by means of the filler funnel The arrow in the level indication disappears and the liquid level is indicated by the H symbol The height of the cross bar gives an information about the actual level within the expansion vessel the vertical bars indicate the expansion range After having reached position 3 from the bottom the pump is switched on during operation Filling the heater is always switched off The external system is filled the liquid level drops until the pump is switched off again and the symbol is shown on the display arrow down fill in liquid Fill in as much liquid to reach a liquid level indication as low as possible at this level the maximum volume for expansion is at your disposal and the pump is running Make sure that the circuit is deaerated by running the unit for some minutes Unscrew filling funnel and close filling connection by blind cap ESC Leave operation mode Filling by pressing The unit now works at normal operation A beep can be heard in short intervals if the symbol Fill in liquid
40. elow the current bath temperature Note that an input of TO below the setpoint TS produces the message L2 TS gt gt TO and the previous value for TO is retained Before carrying out this test the setpoint Ts must normally first be lowered by a few degrees The overtemperature switch off point can then be set e g 1K below the current bath temperature YATE0012 1 06 12 02 48 LAUDA High temperature Thermostat USH 400 USH 400 6 Example Ti 60 C TS 60 C TO 65 C oise 12 To check the operation of the overtemperature limiter press e SHIFT OFF Input TS Boisp 11 20 C press Y the display shows L1 Ti 60 00 C C L2 TO 65 00 C Ti I lossP 11 If Tu is shown in L2 press UR again Now input 0 5 8 0 0 CH The switch off point of the overtemperature limiter is now 2 K below the bath temperature Ti The display shows the message L1 TEMPERATURE L2 TOO HIGH with a beep Heating and pump are switched off on all poles To restart the unit press the reset key LOJ The display shows the standard display losP 11 Now press UR and set TO to a value above the bath temperature e g 70 C LOCAL itr Input O 7 0 0 0 m Then press the LOJ key once more The unit returns to normal operation Caution In case of any malfunction in Items 5 12 1 and 5 12 2 the unit must immediately be taken out of use and checked by an engineer Otherwise its safety is no longer ensured YATE0012 1 06 12 0
41. er can take various forms e g for 5 00 C 005 00 05 05 0 005 5 00 A BASIC programme for the IBM PC which can be used to transfer any values between the set upper and lower limits see Item 5 2 4 and which displays the response O K or a possible error message may be as follows YATE0012 1 06 12 02 51 LAUDA High temperature Thermostat USH 400 USH 400 6 Note set baud rate to 4800 see Item 5 3 5 130 OPEN COM1 4800 N 8 2 AS 1 CLS LOCATE 8 5 PRINT SPC 70 LOCATE 8 5 INPUT Enter your command without OUT VALUES PRINT 1 OUT_ VALUE INPUT 1 A LOCATE 12 5 PRINT SPC 50 LOCATE 12 5 PRINT Response of the thermostat AS TI TIMER 1 IF TI gt TIMER THEN 110 GOTO 30 END The following values can be transmitted similarly to the thermostat OUT LXXX XX OUT HXXX XX OUT XPXXX XX OUT TNXXX XX OUT TVXXX XX OUT RTI OUT RT2 OUT RTi switching point for low temperature usually set to the lower range limit of the thermostat overtemperature switch off point For safety reasons it is essential that after the transfer this value is read back with the command IN 9 and checked setting the control parameter Xp for the controller setting the control parameter Tn setting the control parameter Tv switches the control variable to the source external Pt 100 T1 external control switches the control variable to the source external Pt 100 T2 external control switches the
42. g temperatures from 30 to 330 C viscosity at 20 C 47 mm2 s flash point gt 240 C boiling point 385 C Data sheet according to EU Guidelines is available on request Fresh heat carrier liquid should be carefully heated up also when the thermostat is re filled Operate the completely installed equipment initially for several hours at 100 C Then raise to the required operating temperature in steps of about 50 C holding each time for about 30 minutes All suitable organic liquids must not come into contact with non ferrous metals and oxygen when hot otherwise their life is greatly reduced The USH 400 therefore has in the expansion tank a quantity of cold oil whose temperature during continuous operation is between 30 C and a maximum of 100 C If higher temperatures should be reached after a longer period despite observing the instructions of Item 4 4 this is certainly caused by faulty conditions of the complete system or of the bath liquid YATE0012 1 06 12 02 q 57 LAUDA High temperature Thermostat USH 400 USH 400 6 6 2 Hose connections For safety reasons it is recommended to use only flexible metal hoses over the entire operating temperature range Metal hoses single layer insulation Temperature range 0 400 C Metal hose MC 50 50 cm long Cat No LZM 040 Metal hose MC 100 100 cm long Cat No LZM 041 Metal hose MC 150 150 cm long Cat No LZM 042 Metal hose MC 200 200 cm long Cat No LZM 043
43. he R 403 PL R 406 PL The entire electronics and the corresponding operating elements for temperature indication and setting as well as safety functions are housed in a separate unit the controller R 403 PL R 406 PL The connection to the thermostat is done by two special cables 24 24a In case of repair it is essential to use only the original cables and the original connectors in order to ensure electrical safety The thermostat USH 400 can only be operated with the controller R 403 PL The type USH 400 6 has to be operated with the controller R 406 PL A different combination is not serviceable but also does not cause any dangers The separation of the thermostat and the controller permits remote operation of the unit e g the thermostat can be placed inside a fume cupboard and the control unit outside Control The units employ a Pt 100 resistance thermometer for measuring the bath temperature Ti The bath temperature all other temperature values and message signals as well as inputs are indicated as 2 x 16 characters 10 mm high on a liquid crystal display LCD with background illumination Input of the setpoint TS and all other parameters is done by using a membrane keypad with 16 keys and operator guidance by the LCD display field All inputs are stored even when the thermostat is switched off or if the supply fails YATE0012 1 06 12 02 5 19 LAUDA High temperature Thermostat USH 400 USH 400 6 Digitisation of the Pt 100 re
44. ion is omitted if the voltage range 0 10 V has been selected in the previous menu The display shows the scalings available for selection L1 CONFIGURABLE 1 L2 analog output _ By pressing the key SHIFT ON the preset scalings are displayed consecutively The selection is made by the input of the appropriate code SHIFT OFF Configurable means that the temperature range required to correspond to the voltage range 0 10 V current range 0 20 mA or 4 20 mA can be determined by setting the range start Tmin and the range end Tmax The display shows L1 CONFIGURABLE 1 L2 Tmin _ C Example range 20 220 C Input 0 2 0 0 0 The display shows L2 Tmax _ C Input 2 2 0 0 0 K l The following fixed scalings are available 200 400 C 0 6 V 10 mV K 0 C 2 V Code 2 100 400 C 0 10 V or 0 20 mA or 4 20 mA Code 3 0 100 C 0 10 V or 0 20 mA or 4 20 mA Code 4 YATE0012 1 06 12 02 46 LAUDA High temperature Thermostat USH 400 USH 400 6 5 10 2 5 11 The display then shows L2 TiT4T2 TsO 3 LOCAL E g to set the bath temperature on channel 1 input O m Similarly for the temperature signal of the external Pt 100 T1 input 1 a etc The display then returns to the standard display Temperature signal channel 2 Channel 2 is purely a voltage output at socket 52 S on pin 1 The selection is made as described for channel 1 in Item 5 10 1 except that current ranges
45. ld correspond to 0 10 V approx Input O 0 0 0 0 ud The display shows L1 ANALOG INPUT L2 Tmax _ C Input the upper limit of the temperature range PURA If current input is selected the programme asks whether 0 20 mA or 4 20 mA is required The display shows L1 CURRENT INPUT L2 0 20 0 4 20 f LOCAL LOCAL Select 0 m or 1 m This menu item is omitted when voltage input has been selected The display shows L1 INPUT CAL L2 YES 1 NO 0 Here a decision is made whether an automatic calibration procedure is started or whether the voltage or current values from the last calibration procedure are retained with input O m The display returns to the standard display With a new calibration the voltage or current source e g setpoint unit programmer has to be connected up The range limits have to be adjustable The unit may switch to fault if the input signal is not connected If this is the case it is necessary to connect the input signal first ir Then press the reset key LOJ and calibrate in the same way as described above YATE0012 1 06 12 02 43 LAUDA High temperature Thermostat USH 400 USH 400 6 Select the recalibration with 1 bel The display shows L1 SET Umin lo YES 1 When the voltage or current corresponding to the lower range limit is applied to the input confirm this by input of 1 bel The display shows L2 XXXXXXXXXXX The calibration takes approx 20 sec Then the display shows
46. loge Entsperren F llen pu Reset Filling Control parameters Parametres de reglage 5 5 5 2 1 Soll wert Regulation externe e Surtemperature 5 6 5 2 4 TEST E A lepur Display selection Regelparameter Selection d affichage Analoge Ein Ausg nge Analogue inputs outputs 5 14 Rearmement Remplissage 5 2 4 5 11 Neutral Kontakt Sammelst rung Kontakteingang St rung Neutral contact Overall fault Input contact Fault Contact neutre Perturbation general Entree Perturbation Analoge Ein Ausg nge Analogue inputs outputs Pt 100 T2 Enfrees sorties analogique Netzsicherung Main fuse Fusible secteur Pt 100 TI Anschluss f MVH K hlwasserventil SCH Connection socket for MVH Cooling RS 232 C water valve Douille de branchement pour MVH vanne de refroidissement a LILILILIL ED Einbausteckdose Socket Prise Anschluss f MVH Olventil Connection socket for MVH oil valve Douille de branchement pour MVH vanne d huile Anschluss f r Thermostat USH 400 Connection socket for thermostat USH 400 Douille de branchement pour thermostat USH 400 Netzeingang Mains input Entree secteur YATE0012 1 06 12 02 1 1 LAUDA High temperature Thermostat USH 400 USH 400 6 Niveauanzeige ea St rung Level indication Pilot Lamp Fault RECON niveau Lampe temoin Perturbation Programmgeber Programmer Parameterebene Programmateur Parameter menue 5 7 SE des paramefres Extern Regelu
47. lues taking into Out of range of admissible ranges Ts To Tu consideration their limitations being out of operating temp check bath liquid or configuration after having switched on the unit when a button is pressed Programme input out of Enter admissible values operating temperature range of the unit 199 9 Tu or To is not Input values are outside of Reinitialize type of unit adjustable temperature limits of the type of see operating instructions Out of range unit or initialization does not fit Maintenance may also return to the type of unit Default values Display Motor chamber temperature Surrounding temperature of the TA gt 55 C part of the thermostat may be too only for USH 400 6 high see operating instructions 5 2 8 Display Level too low Fill in bath liquid see operating l instructions 5 2 3 only for USH 400 6 RUL and RUK Display Level in the vessel is close to Either reduce the amount of T overflow thermal liquid or install an other only for USH 400 6 heater switches off vessel RUL and RUK Attention HOT Display Admissible working temperature Bath liquid is accepted no other Upper limitation of oil gt range of bath liquid exceeds steps necessary unit limitations limitation of unit operating temperature range of valid cancelled beginning with the unit software version 1 06 Setpoint cannot be Check setpoint selection see Switch setpoint selection to selected by mean
48. lycol mixture only G Therm Service Fehler Fehlpe1 doc 04 12 98 page 4 of 4 BESTATIGUNG CONFIRMATION CONFIRMATION LAUDA An To A LAUDA Dr R Wobser LAUDA Service Center Fax 49 0 9343 503 222 Von From De Firma Company Entreprise StraBe Street Rue Ort City Ville Tel Fax Betreiber Responsible person Personne responsable Hiermit best tigen wir daB nachfolgend aufgef hrtes LAUDA Gerat Daten vom Typenschild We herewith confirm that the following LAUDA equipment see label Par la pr sente nous confirmons que l appareil LAUDA voir plaque signal tique Typ Type Type Serien Nr Serial no No de s rie mit folgendem Medium betrieben wurde was used with the below mentioned media a t utilis avec le liquide suivant Dar ber hinaus bestatigen wir daB das oben aufgef hrte Gerat sorgfaltig gereinigt wurde die Anschl sse verschlossen sind und sich weder giftige aggressive radioaktive noch andere gefahrliche Medien in dem Ger t befinden Additionally we confirm that the above mentioned equipment has been cleaned that all connectors are closed and that there are no poisonous aggressive radioactive or other dangerous media inside the equipment D autre part nous confirmons que l appareil mentionn ci dessus a t nettoy correctement que les tubulures sont ferm es et qu il n y a aucun produit toxique agressif radioactif ou autre produit nocif o
49. m signal can be heard If the temperature continues to rise and reaches temperatures above 65 C the heater is switched off If the temperature drops below approx 58 C the heater is switched on again The temperature of the motor chamber depends on the ambient temperature operating temperature of the heat carrier pump load and the cooling of the expansion vessel Parameter level PAR PAR Pressing the amp 5 key several times in the SHIFT mode green LED in SHIFT key alight leads successively to the input functions described below Auto adaptation Here it is possible to start controller auto adaptation by input of 1 SHIFT OFF and LOCAL pressing the Ra Key There should be the largest possible difference between the bath temperature and the setpoint to be entered subsequently i e the time to reach the setpoint must be longer than 5 min and preferably 10 min In addition auto adaptation is obviously possible only during a heating or cooling phase which is actively influenced by the energy sources available Example Intended operating temperature approx 200 C 1 Set setpoint to 200 C 2 Within 1 minute start auto adaptation at the PAR level e g at a bath temperature corresponding to the ambient temperature On reaching the setpoint the auto adaptation switches off automatically and the result of PARCI auto adaptation can be indicated at the control parameter level see Item 5 4 Output limitation Normally the
50. maximum heating or cooling output is available For special applications it is possible to set a limit for both heating and cooling output At the PAR level display select L1 Output L2 in per cent 100 96 i Using the display can be switched from e g 100 i e heating output limitation to cooling output limitation with a negative sign YATE0012 1 06 12 02 E 28 LAUDA High temperature Thermostat USH 400 USH 400 6 By the input of e g 0 0 5 8 SHIFT OFF a heating output limitation of 58 can be set With e g 0 9 3 n a cooling output limitation of 93 is entered The action can be recognised by the symbols and flashing even with large control deviations Only values between 10 and 100 or 10 and 100 can be entered otherwise the display shows the message L1 Output L2 OUT OF RANGE 5 3 3 Display resolution L1 At the PAR level display select L1 Display 0 001 1 L2 resolution 0 01 0 Enter 1 SHIFT OFF Switches all displays in L1 to 0 001 K resolution The temperatures are then displayed with approx 2 digit resolution Input 0 switches all the displays in L1 to 0 01 K resolution Normally a resolution of 0 01 K is used 5 3 4 Contact input fault 14 N alarm in By the Contact input fault 14 N alarm in the safety switch off of the unit USH 400 can be activated from an external signal Connections contact input Fault 14 N alarm in 3 pin flange socket accord to NAMUR recommendatio
51. mm character heigth modified PID controller with automatic structure selection Control parameters through auto adaption or manual input With external control a cascade controller operates on the measurement of one of the two external circuits T1 or T2 Triac zero crossing with full wave PWM Limitation of the heater surface temperature to approx 12 K above the outflow temperature output max 3 kW 14 A output max 5 6 kW 14 A heating OFF pump is activated by level detector Triac control of the control valve for the oil circuit and the cooling water solenoid valve 230 V 50 60 Hz max 0 2 A In the working temperature range adjustable overtemperature protection and adjustable low level cut off Pump and heater are switched off on all poles Pt 100 in the thermostat in 10 steps Warning indication and switch off of the heating for motor chamber temperature floating contact changeover overall fault input fault analogue signals 2 x Pt 100 Ext RS 232 C R 403 PL R 406 PL 190 x 200 x 180 310 x 200 x 195 4 5 5 230 400 V 3 N PE 50 Hz 3 2 kW 5 8 kW Protection class 1 to VDE 0106 LRK 020 LRK 221 LAUDA High temperature Thermostat USH 400 USH 400 6 rj u i Uh NK NA GAGA AE TL SST T CT el Ze 2 2 YATE0012 06 12 02 8 LAUDA High temperature Thermostat USH 400 USH 400 6 CON Oo Ga FP C N gt 11 12 13 14 15 16 17 18 19 20
52. mperature Thermostat USH 400 USH 400 6 3 3 3 3 3 4 3 3 9 Pump characteristics bar ROIG INS 0 10 20 L min measured with water Heater Two tubular heaters 22 are located in the lower part of the thermostating tank in order to achieve the lowest possible loading of the heater surface The heaters are arranged so as to achieve a directed uniform circulation around them The type USH 400 has a heating output of 3 kW The type USH 400 6 provides 5 6 kW heating output with almost twice the loading of the heater surface Temperature probe A temperature probe 20 is immersed in the thermostating tank for measurement and control and so is another probe 10 for the separate safety circuit which is also used to sense the temperature of the heater surface Expansion vessel The expansion vessel 7 is linked to the thermostating tank through the annular gap around the pump shaft 15 The bottom of the expansion vessel is arranged as a cooling chamber 17 a coolant can be passed through it by the connections 3 M 14 x 15 A minimum liquid level in the expansion vessel assures that the liquid in the thermostating tank is always blanketed by cold oil to prevent contact between the hot liquid and atmospheric oxygen YATE0012 1 06 12 02 18 LAUDA High temperature Thermostat USH 400 USH 400 6 3 3 6 3 3 7 3 4 3 4 1 The liguid level in the expansion vessel is monitored by a float 16 and digitised
53. n NE 28 1 n o close 2 common 3 not used Connector plug 3 pin Cat No EQS 048 Use shielded connecting cables Connect shielding to plug case Cover the unused connectors with protective caps Contact load approx 5 V 2 mA No voltage must be connected YATE0012 1 06 12 02 29 LAUDA High temperature Thermostat USH 400 USH 400 6 When using the contact input FAULT 14 N pins 1 and 2 of the socket have to be connected together when there is no fault If this input is not being used a blanking plug with a link must be plugged in The function of the contact input fault can be switched off at the PAR level on the display L1 Alarm Inp con 14 N L2 on 1 off 2 0 by the input of 0 SHIFT OFF A shorting plug is then not required If the alarm input has been activated in error by the input of 1 the unit can be restarted by the following inputs y Press the LOJ key Select Alarm Inp con 14 N at the PAR level Input 0 with ENTER ir Press 2 J again If a fault message has been produced by opening the external signal circuit reset by Wr pressing the LOJ key twice after rectifying the fault 5 3 5 Baud rate RS 232 On the display at the PAR level L1 Ser Int RS 232 L2 Baud Rate 9600 it is possible to switch with between 9600 and 4800 With ENTER SHIFT OFF the indicated baud rate is entered 5 3 6 Menu language On the display at the PAR level L1 Lang Germ 0 L2 Engl 1 French 2
54. ng Extern control u Ubertemperatur Regulation externe Overtemperature 5 6 Surtemperature 5 2 4 Regelparameter Control parameters I de reglage Displayumschaltung Display selection Selection d affichage 2 JJ ES 5 2 1 Analoge Ein Ausg nge F E E Analogue inputs oufputs s Sollwert Entrees sorfies analogique setpoint d 5 9 5 10 SE de consigne Schaltuhr Temperaturkalibrierung Timer Temperature Calibration Horloge E rage temperature Entsperren F llen Reser ring Rearmement Remplissage 5 2 4 5 11 Neutral Kontakt Sammelst rung Neutral contact Overall fault Contact neutre Perturbation general Kontakteingang St rung Input contact Fault Entree Perturbation Analoge Ein Ausgdnge Analogue inputs outputs Pt 100 T2 Entrees sorties analogique Pt 100 T1 Anschlu f MVH K hlwasser ventil Connection socket for MVH RS 232 C Cooling water valve Douille de branchement pour MVH vanne de refroidissement Anschlu f MVH Dlventil Connection socket for MVH oil valve Douille de branchement pour MVH vanne d huile Anschlufi f r Thermostat USH 400 6 Connection socket for thermostat USH 400 6 Douille de branchement Einbausteckdose pour thermostat USH 400 6 Socket Prise YATE0012 1 06 12 02 13 LAUDA High temperature Thermostat USH 400 USH 400 6 2 2 1 2 2 2 3 Safety devices and warning notes Operating safety The units are fitted with an adjus
55. ng of the over temperature switch off point It is obviously essential to select a value above the current bath temperature Ti and the current setpoint TS otherwise the equipment is switched off by the safety circuit with Li TEMPERATURE L2 TOO HIGH or the message L2 Ts gt gt TO and the value is not accepted With activated outflow temperature limit Tio To must always be 5 C higher than Tio Otherwise announcement Tio gt gt to 5 C If the unit has been switched off in the fault status an audible signal reports the stored fault when switching on ir Wr Press the reset key UJ Depending on the previous sequence press L8 J again If necessary check whether the overtemperature switch off point TO is above the current bath temperature and whether the bath is filled sufficiently YATE0012 1 06 12 02 26 LAUDA High temperature Thermostat USH 400 USH 400 6 5 2 5 5 2 6 5 2 7 Low temperature switch off point losP 11 Press VIE SHIFT OFF to indicate the current low temperature switch off point TU If losP L1 TO is indicated press the did key again to bring TU on display L2 TU _ 10 00 C TU low temperature switch off point TU can be set up to 10 K below the working temperature range of the unit If the bath temperature falls below TU TU appears on the display in L2 so that a new value can be input if necessary TU can be used as setpoint limitation Setpoint input oise 12 Press the U
56. ng to EMC directive EN 61326 1 industrial areas only Check that all not required connections except overflow 1 and inert gas 6 are blanked off with blind caps USH 400 3 kW heating A mains supply with earthed contact PE fused at 16 A is required for units protection class 1 Plug in mains plug Operate mains switch Green lamp in the mains switch lights up USH 400 6 5 6 kW heating It is necessary to have a 230 400 V 3 N PE three phase current connection fused with 16 A Plug in mains plug Operate main switch red yellow and mains switch green The green indicating lamp lights up Basic functions Display The display shows consecutively Fa LAUDA P Thermostat Type R 403 P Type V2 XX Date Software version L1 Ti 20 00C other values depending on L2 Ts 10 00 C L Til bath temperature and setpoint Notice only valid for EU countries YATE0012 1 06 12 02 22 LAUDA High temperature Thermostat USH 400 USH 400 6 Top line L1 Ti Hort or TA i Bottom line L2 TS Ti YATE0012 1 06 12 02 Standard display bath temperature i internal level indication in expansion vessel output in cooling range output in heating range Warning indication for motor chamber temperature cooling indication proportional to cooling actuation control heating indication proportional to heating actuation control Setpoint temperature S Setpoint control variable is Ti bath
57. ns Unit does not heat Triac Replace triac though heating is indicated Interruption Eliminate BL MEN ARA PCB MP Mains i Farmer higher values at PAR level PAR level too small e g 100 Pump does not run Temperature safety cut out Motor blocked Turn propeller of motor if in pump has actuated Pump stops necessary replace it clean pump Viscosity of bath liquid too high Use other bath liquid wait until motor has cooled down Bath temperature rises Controller Replace PCB MP Mains or PCB clearly above adjusted CPU setpoint Ts Heating indication ON Heating indication OFF MEE LEN bd MEE triac Temperature rises slowly NENNEN not sufficient La NN emission of pump Kee cooling water supply or above adjusted setpoint other kind of cooling Heating indication OFF Display shows wrong Temperature probe Replace double Pt 100 or external temperature Ti T1 T2 Pt 100 T1 T2 Display is dark Temperature cut out in Overload caused by short Replace PCBs or control unit transformer has actuated circuit G Therm Service Fehler Fehlpe1 doc 04 12 98 page 3 of 4 Notes for trouble shooting for LAUDA Thermostats with P electronics Malfunction Fault Reason Remedy Unit does not work at Wrong control parameters Enter new values or start adjusted setpoint adjusted autoadaption Temperature control by Thermal contact of bath liquid Improve circulation through means of external an
58. operating temperature cooling with compressed air nitrogen or water should be provided It is important that the water flow already starts at a liquid outlet temperature below 200 C otherwise rapid temperature changes may cause problems In general it is possible to avoid water cooling when working with compressed air or nitrogen Recommended flow rates Compressed air nitrogen approx 200 L min Water approx 1 L min Note The max pressure in the cooling chamber is 3 bar Screw filler funnel on filler tube 27 If necessary connect inert gas to olive 6 in order to blanket the heat carrier liquid in the expansion vessel With larger expansion volume connect tubing from collecting vessel 1 to overflow It is preferable to employ an optional extra expansion vessel Cat No UD 260 which is mounted on the connection 25 Note Do not shut the expansion vessel tightly With frequent changes of external systems positioned at a high level it is advisable to use the automatic vent valve Cat No UD 253 available as accessory This speeds up and simplifies the purging of the system Connect the vent valve 29 at the connections 30 and 28 YATE0012 1 06 12 02 21 LAUDA High temperature Thermostat USH 400 USH 400 6 5 5 1 5 2 5 2 1 Starting up Connection to supply Compare the details on the label of the thermostat as well as the controller with the mains voltage and frequency Model accordi
59. perature and low level protection Important notes The user is only protected against those hazards which are caused by exceeding the temperature and by low liquid level Further hazards may arise from the type of product being thermostated e g a shift above or below certain temperature levels or a fracture of the container and a reaction with the thermostatic liquid etc It is impossible to cover all possible causes and they remain largely within the decision and responsibility of the user Values for temperature variation and indication accuracy apply under normal conditions according to DIN 58966 In special cases high frequency electromagnetic fields may lead to less favourable values There is no loss of safety YATE0012 1 06 12 02 u 15 LAUDA High temperature Thermostat USH 400 USH 400 6 2 4 3 1 Warning The units must only be used according to the descriptions indicated in these Operating Instructions This includes operation by properly qualified and instructed personnel The units are not designed for operation under medical conditions according to EN 60601 1 or IEC 601 1 Warning notes Parts of the bath cover may reach temperatures above 70 C The outflow and return pipes of the pumps reach the operating temperature Touching them is dangerous because of very high or low temperatures The unit must only be filled through the filler pipe 27 using the funnel supplied This is necessary to ensure the
60. preferential filling of the thermostating tank Then run the unit at the operation Filling see Item 5 2 3 until all air is purged No water nitrogen or compressed air must be connected to any of the connections with M 16 x 1 thread Connect water or gaseous coolants only to the cooling chamber connections 3 with M 14 x 1 5 thread The maximum permitted pressure in the cooling chamber is 3 bar The outlet must not be lockable Before starting up check that all unused connections which carry an M 16 x 1 thread except overflow are closed with blind caps and screw cap Depending on the bath liquid used and the operating method there is a possiblity that toxic vapours may be produced In that case it is necessary to provide an appropriate fume extraction Pull out the mains plug before cleaning the bath with solvents Provide the appropriate fume extraction Before starting up the unit it is absolutely essential to ensure that the bath contains no explosive mixtures If necessary purge it with nitrogen Mains cables and control cables must not come into contact with pump connections and hot surfaces In case of damaged cables or any extension of the control cables the unit must be opened by a qualified electrician only Use only original control cables from the manufacturer General construction and technical description Application The high temperature thermostats USH 400 and USH 400 6 are intended for the use as circulation thermostats
61. ration external Fill in bath liquid press reset Level too low consuming device not refilled button twice Leakage in hose connections Check hoses and their connection if necessary replace them fill in bath liquid press reset button twice Level detector Check level detector plugs and hall sensors if necessary replace them check their function carefully For USH 400 6 fill in bath liquid up to the level mark Display Temperature probe Temperature difference between Replace bath temperature probe Temperature too high two probes gt 15 C double Pt 100 For USH 400 6 please check both single Pt 100 Temperature of bath liquid Overtemperature switch off point Press reset button adjust above over temperature To set too low overtemp switch off point To at switch off point To an higher value press reset button Triac or triggering Replace triac or PCB MP Mains Display Contact input 14 N Fault Pins 1 2 not connected Reason for malfunction caused by External fault is used external system No signal transmitter connected Switch off function Contact input to socket 14 N though selection Fault at PAR level see operating at PAR level is activated instructions Display Wrong inputs Setpoint adjusted above Adjust overtemperature switch off overtemperature switch off point point To at an higher Ts gt To To temperature pay attention to bath liquid flash point etc
62. rvice Constant Temperature Equipment Telephone 0049 9343 503 236 English and German Fax 0049 9343 503 283 E Mail service lauda de We shall always be happy to deal with queries suggestions and complaints LAUDA DR R WOBSER GMBH amp CO KG P O Box 1251 97912 Lauda Konigshofen Germany Telephone 49 0 9343 503 0 Fax 49 0 9343 503 222 E mail info lauda de Internet http www lauda de 60 YATE0012 22 07 08 LAUDA High temperature Thermostat USH 400 USH 400 6 8 Accessories Type Cat No Controlled cooling MVH Cooling device with solenoid valve for cooling water LTZ 034 Automatic exhausting valve UD 253 Extra expansion vessel of approx 1 UD 260 YATE0012 1 06 12 02 x 61 LAUDA High temperature Thermostat USH 400 USH 400 6 LAUDA Pt 100 platinum resistance thermometers Pt 100 70 Stainless steel protection tube 4 mm dia Temp range 200 300 C 50 response time 1 5 sec Length 250 mm Cat No ETP 009 Pt 100 72 Stainless steel protection tube 4 mm dia Temp range 200 800 C 50 response time 7 5 s Length 250 mm Cat No ETP 011 Pt 100 80 Stainless steel protection tube 1 9 mm dia Temp range 200 300 C 50 response time below 1 5 s Length 150 mm Cat No ETP 012 Connecting cable Plug 42 S to Pt 100 70 72 80 Cat No UK 095 Longer control cable to connect thermostat with controller Length max 20 m required length to be indicated Cat No UK 186 YATE00
63. s again from the beginning Requesting data from the thermostat indication of the bath temperature Ti i e request of the thermostat to transmit the bath temperature IN 2 IN 3 IN 4 char 1 from left char 2 char 3 char 4 char 5 char 6 char 7 YATE0012 1 06 12 02 indication of the temperature value at the external probe T1 indication of the current setpoint TS status signal 7 characters overtemperature fault 1 no fault 0 low level fault 1 level OK 0 programmer segment running 1 programmer segment OFF 0 control according to the bath temperature Ti 0 T1 1 2 22 setpoint set by analogue inputs 1 analogue inputs OFF 0 indicates whether external Pt 100 T1 is connected 1 or not connected 0 indicates whether external Pt 100 T2 is connected 1 or not connected 0 53 LAUDA High temperature Thermostat USH 400 USH 400 6 IN 5 invalid IN 6 invalid IN 7 indication of the temperature of the external probe T2 IN 8 indication of the current low temperature switch off point TU IN 9 indication of the current overtemperature switch off point TO INA indication of the current value of Xp IN B indication of the current value of Tn IN C indication of the current value of Tv Examples A BASIC programme with which values can be transferred from the thermostat to the computer and to display them specifying the channel number e g 1 for IN 1 i e the bath
64. s m les Flotteur C ALTPC WOBSER SPLLIST SPL_26 DOC 12 10 99 USH 400 UL 474 ETP 054 ETP 037 7 uF ECA 004 ECF 001 230V UH 139 230V UH 140 EQS 031 EQG 016 EQM 080 EQG 027 7x EZK 035 2x EZK 036 EZK 064 Blatt 5 USH 400 6 UL 474 ETP 054 ETP 037 7 uF ECA 004 ECF 001 400V UH 145 400V UH 146 EQS 031 EQG 016 EQM 080 EQG 027 7x EZK 035 2x EZK 036 EZK 064 v t wu31x3 e eer 1d It ets n I K le bus N y Oot Le N k ets DX st cx x et 3 I amp unteisa eassn u sug ct su t arte EIE us 1 8 Ep 6 LIE M Ls RS RE LED d Baus KMD EE i s TEE ate LP LASS DE RIS E RE Rx A fe Y A E is E A a e as Zur des O E O E B EA rzx J u esx 9 5 r Can EENE LE E sa HE t Ta 82x E E N z we t a s2x t z x En O z t ssx d 2 lt V Lex N x et T e 6 T p ns u ag i 2 2 s B r n a 2 E Cet s tZ3O1S ySx Ca HZ 289 SOhn AM ce e s I EZX DA gt US112 8 Jy pro ZEX LEX Agent ET 3 e ux 3 opi v 5 tBBZBOISIESK t HSZ 10 AWM Ia gt c Ez E TI u z tsx t Dr N MEA J81 1O0u282 9N 15 F10 C13 UBL11OUPBOJOA UBDBEUDJSPUG 9uu25 amp 1 u0u33 sor 34 90 uo SQDEIS ISA pun 6U 081119 9 298A JSP y gt lga ly gt s 21 4232 S5eU0zZ3 N Uwe unplsewulls U IJX gt n psnD JUDIU 2110 sun JI
65. s of right side of display L2 I Internal keyboard P Programme A Analogue R RS 232 Display Clock does not run External fault clock stop RAM defective Unit has to be switched on once again set date and time once again see operating instructions if necessary replace RAM G Therm Service Fehler Fehlpe1 doc 04 12 98 page 2 of 4 Notes for trouble shooting for LAUDA Thermostats with P electronics Malfunction Faut Reason Remedy Display Double Pt 100 for bath Interruption short circuit or Replace double Pt 100 for bath Internal Pt 100 temperature or safety temperature deviation of bath temperature defective temperature temperature probes too important For USH 400 6 please check both single Pt 100 Display Tried to switch over to external Continue to work with internal Ext Pt 100 not control without connecting an control or connect external Pt 100 connected external Pt 100 for T1 or T2 look at display for control variables 1 or 2 check display for T1 or T2 Tried to calibrate Pt 100 being not connected Display Important deviation of Pt Value input differing from the Check temperature reference Correcting value too 100 from standard values basic value that is indicated by thermometer check Pt 100 high more than 5 K replace PCB CPU Scale of analogue Outputs not correctly calibrated Calibrate the analogue output outputs shows channels discrepancies see operating instructio
66. ser GmbH 4 Co KG EIE hen lea Ger teliste Schaltplan List of parts Circuit diagram Liste de pieces sch ma de connexions 230V 400V 3 N PE 50Hz A 1 A2 A3 A4 A5 F 10 K5 M2 Q 1 S 1 X 22 Leiterplatte MP Netz Printed circuit board MP Mains Circuit imprim MP Secteur Leiterplatte CPU Printed circuit board CPU Circuit imprim CPU Leiterplatte Anzeige Tastatur Printed circuit board Indication Keyboard Circuit imprim Affichage Clavier Leiterplatte Analog Ausgang Printed circuit board Analog exit Circuit imprim Sortie analogue Leiterplatte Anzeige Display Printed circuit board indication Display Circuit imprim Affichage Display Y Kondensator Y Condenser Y Condensateur Y Kondensator Y Condenser Y Condensateur MKP Kondensator MKP Condenser MKP Condensateur Entst rfilter Interference filter Filtre d antiparasitage Steuersicherung Mains fuse Fusible commande Sicherungshalter Fuse holder Porte fusible Sch tz Heizung Contactor Heater Contacteur Chauffage L fter Fan Ventilateur Hautpschalter Mains switch Interrupteur g n ral Netzschalter Steuerung Mains switch Control Interrupteur secteur Commande Solid state relay Plug strip terminal Steckleiste 10pol R glette fiches m les C altpc WOBSER SPLlist SPL_22 1y DOC 09 06 00 R 403 PL UL 382 1C UL 383 1A UL 384 1B UL 385 1 EAO
67. sistance signal is performed in the microprocessor by continuous comparison with precision resistors The following control using a modified PID control algorithms is purely digital The tubular heater for the bath heating is operated completely electronically using a triac with burst firing action The description of further functions is done in Item 5 starting up 4 Unpacking assembly and setting up 4 1 Unpacking Goods are packed carefully largely preventing transport damage If unexpectedly some damage is visible on the equipment the carrier the post office or the railway has to be informed in order to inspect the damage Standard accessories Thermostat USH 400 USH 400 6 4 2 4 2 1 4 2 2 1 Filler funnel Cat No UD 259 8 X Screw caps M 16x 1 Cat No HKM 032 7 Blind caps Cat No HKN 065 1 Olive 13 for overflow Cat No HKO 026 2 Olives 13 for cooling chamber M 14 x 1 5 Cat No HKA 110 Control and operating element R 403 PL USH 400 1 Mains connection cable Cat No UK 089 Control and operating element R 406 PL USH 400 6 without accessories Operation instructions USH 400 USH 400 6 USH 400 3 kW heating Place the thermostat and the controller R 403 PL next to each other Attach the control connection to the sockets 41 H and 58 S while the equipment is switched off Plug in the mains plug 12 H USH 400 6 5 6 kW heating Place the thermostat and the controller R 406 PL next to each o
68. table overtemperature protection as well as a low level protection The liquid at the operating temperature is not in contact with atmospheric oxygen as the expansion vessel ensures an intermediate stationary blanket of cold oil When the unit is operated according to these instructions the surface of the used heat carrier liquid reaches temperatures of more than 25 C below the flash point Thus the thermostat corresponds to EN 61010 02 010 Why can a thermostat be dangerous 1 Thermostats are equipped with heaters supplying the necessary heat to the thermostating liquid If the temperature control fails or if the liquid level is too low the heater may reach temperatures which can lead to a fire in the laboratory especially in combination with flammable liquids 2 When using the thermostat as a circulation thermostat a hose may break causing hot liquid to spill and endangering people and goods The safety requirements on thermostats therefore depend on whether O non flammable or flammable liquids are used O operation is with or without supervision The thermostats described in these Operating Instructions are protected against overtemperature and low liquid level when operated according to the regulations FL The units can be operated with non flammable bath liquids and with flammable bath liquids up to 25 C below their fire point EN 61010 on condition that there is a correct adjustment and regular testing see Item 5 12 of the overtem
69. temperature can be switched to T1 or T2 ext Pt 100 Remark that level indication is activated in above digit at line L1 notice that the level indication acts in the top line L1 setpoint source I Internal input by keys P Programmer R RS 232 C A Analogue input socket 52 S 293 LAUDA High temperature Thermostat USH 400 USH 400 6 5 2 2 5 2 3 E boise 11 X rh The display in line 1 L1 can be switched by pressing the keys and repeated lose L1 operation of 1 1 U to T1 T2 Ti etc T1 T2 measurement results of the external Pt 100 probes 2 Bose 12 Eier A The display in line 2 L2 can be switched by pressing the keys and repeated oise 12 operation of v to Y actual output heating cooling TSi measurement result of the safety comparison probe with limited resolution and accuracy Ti TI T2 TS etc Basic action on input and output ESE From virtually every display or input function the key aborts and returns to the selected standard display Numerical inputs are always done with the SHIFT function switched off LED in SHIFT key OFF After the last digit of a number the cursor returns to the first digit so that corrections can easily be made before pressing the K key A brief beep on pressing a key means that this input is not possible Error messages are indicated with text notes accompanied by a beep After approx o sec the message disappears and the b
70. teur Steckdoseneinsatz 10pol Anbaugeh use EQD 026 EQG 019 Plug 10 channels extra housing Connecteur 10 p les boitier suppl mentaire Buchsenleiste SUB D 15 pol EQF 076 Socket terminal strip SUB D 15 channels R glette douille SUB D 15 p les Anschlu buchse f MVH Olventil 25H EQD 037 EQZ 006 Connection socket for MVH Oil valve Douille de branchement pour MVH Vanne d huile Anschlu buchse f MVH K hlwasserventil 24H EQK 004 EQZ 006 Connection socket for MVH Cooling water valve Douille de branchement pour MVH Vanne de r froidissement Klemme Abschlussplatte 2x EZK 134 Terminal Cover EZK 140 Borne Plaque Einbausteckdose Pumpe 50H EQD 032 Socket Pump Prise Pompo C altpc WOBSER SPLIist SPL_22 1y DOC 09 06 00 Blatt 6 ab Serienr Y 10 R 406 PL EZK 057 EQG 025 EQG 024 EQG 024 EQG 024 EQG 010 EQF 067 EQD 032 EQD 026 EQG 019 EQF 076 EQD 037 EQZ 006 EQK 004 EQZ 006 2x EZK 134 EZK 140 EQD 032 Notes for trouble shooting for LAUDA Thermostats with P electronics Each repair requiring the opening of the control part by means of tools and each work at the electronic part may only be done by a trained technician Malfunction Gau Reason Remedy Green signal lamp of Control fuse has actuated Replace fuse on PCB mains switch not alight MP Mains 5 x 20 FAA Overload on PCB Replace PCB MP Mains Display Bath level too low Evapo
71. ther Make the connection to sockets 42 H and 58 S Only combine USH 400 with R 403 PL or USH 400 6 with R 406 PL A different combination is not serviceable but does not cause any dangers YATE0012 1 06 12 02 20 u LAUDA High temperature Thermostat USH 400 USH 400 6 4 3 4 4 Note Mains cable and control cable must neither have contact to the pump connections nor to the outer housing Damaged cables must be replaced by a qualified electrician immediately Otherwise electrical safety is no longer ensured Connection of external systems Only pressure tight systems can be connected Use metal tubes according to Item 6 2 only Note When tightening the screw caps 19 mm a f at the tubing connections hold the threaded nipple with a spanner 14 mmy With external systems positioned at a high level it may happen even in closed circuits that the external volume drains down and the thermostat tank overflows if the pump is stopped and air enters the thermostated system Always ensure the maximum possible flow area in the external circuit nipples tubing system This results in a larger flow and therefore an improved thermostatic control Cold oil blanket and extra functions Depending on the operating temperature it may be necessary to provide cooling for the bottom of the expansion vessel 3 Up to 250 C operating temperature no cooling is necessary to keep the temperature in the expansion vessel below 100 C above this
72. ture diagram before programming and to check whether the energy balance enables the programme speed oet the overtemperature switch off point TO to a value slightly above the highest bath temperature to be expected see ltem 5 2 4 YATE0012 1 06 12 02 36 LAUDA High temperature Thermostat USH 400 USH 400 6 5 7 1 Programme input PRODR INPUT Press the 7 key in SHIFT mode The display shows L1 PROG INP L2 Tstart _ C Enter here the starting temperature of the programme SHIFT OFF automatically e g LOCAL for 60 00 C input 0 6 0 0 0 ENTER The display shows L1 PROG INP SEG 01 L2 ee b a Now enter the target temperature and time for the first segment e g for 140 00 C in the time 2 h 00 min LOCAL LOCAL LOCAL 1 4 0 0 0 K then 0 2 K then 0 0 ES The display shows L1 PROG INP SEG 02 L2 T C h Now enter the target temperature and the time for the second segment e g for a phase at constant temperature 140 00 C and 1 h 30 min After the last programme segment press the key once more and the display shows L1 PROG INP L2 NO OF CYCLES Input 1 99 is possible With more than one cycle it is convenient to have the final temperature and the starting temperature Tstart at the same level Afterwards a tolerance range can be input for monitoring the programme The display shows L1 PROG INP L2 TOL RANGE YATE0012 1 06 12 02 37 LAUDA High temperature Thermostat USH 400
73. u dangeureux dans la cuve Stempel Datum Betreiber Seal Cachet Date Date Responsible person Personne responsable Formblatt Form Formulaire Unbedenk doc LAUDA DR R WOBSER GmbH amp Co KG Erstellt published tabli LSC PfarrstraBe 41 43 Tel 49 0 9343 503 0 And Stand config level Version 0 1 D 97922 Lauda K nigshofen Fax 49 0 9343 503 222 Datum date 30 10 1998 Internet http Awww lauda de E mail info lauda de UNBEDENK DOC
74. units of the controller the safety devices etc are arranged in a separate control unit R 403 PL R406 PL which also contains all electrical operating and indicating elements 3 3 Operating and functional elements thermostat 3 3 1 Thermostating tank The thermostating tank 21 is completely filled with liquid during operation The sealing against the top is provided by a flange with a special seal 18 The space between the thermostatic tank and the casing as well as above the flange is filled with a mineral insulation as a thermal break 8 11 The unit is charged directly into the thermostatic tank through a special filler tube 27 taken out at the top A drain cock 23 is provided which can only be operated with a tool spanner 8 mm a f 3 3 2 Pump The units are fitted with a 2 stage centrifugal submersible pump 15 19 driven by an induction motor 13 with external rotor The pump operates up to a liquid viscosity of 150 mm2 sec The motor winding is fitted with an overtemperature cut out A part of the pump output always passes over the heater independently of the external circuits Two outflow connections 4 9 together with the corresponding return connections 5 26 are available for external circuits A connection 30 is provided for an automatic vent valve available as an accessory The vented side of the valve leads through the connection 28 into the expansion vessel YATE0012 1 06 12 02 17 LAUDA High te
75. warning and switch off function switching off the heating at a selectable value i e the heating output is set to O This protects the unit from a continuous cut off via the safety circuit especially during external control at certain operating conditions To enter the switch off point Tio proceed as described in Item 5 5 1 and switch the display to input and indication Example L2 TiO 120 C YATE0012 1 06 12 02 33 LAUDA High temperature Thermostat USH 400 USH 400 6 9 5 4 Change the value by entering the figures with a resolution of 1 C LOCAL Enter the new value by pressing ENTER It is possible to select values within a range from 50 C to the selected overtemperature switch off point TO 5 C If this range has not been respected the display shows the message L2 Tio gt gt To 5 C Of course Tio has to be set above the setpoint TS otherwise the display shows the message L2 Ts gt Tio The bath temperature limitation can be switched off by entering L2 Tio 000 If the bath temperature Ti exceeds the selected switch off point the display shows Example L2 TiO 120 C and there is an acoustic signal The heater switches off As soon as the temperature has dropped the unit starts working again Correction limitation During the operation with external control it may be necessary not to exceed the difference between the bath temperature Ti and the measuring point for the external control T1 or T2 e g

Operating Instructions - Lauda

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