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Lauda RE 104 Operating Instructions Manual

Manual is about: Lauda Ecoline Low-temperature thermostats

Summary of RE 104

  • Page 1

    Lauda dr. R. Wobser gmbh & co. Kg p.O. Box 1251 97912 lauda-königshofen germany from series z 01 software version 2.0 01/01 yace0059 phone: (+49) (0) 9343/ 503-0 fax: (+49) (0) 9343/ 503-222 e-mail info@lauda.De internet http://www.Lauda.De operating instructions ecoline low-temperature thermostats ...

  • Page 3

    I safety notes before operating the equipment please read carefully all the instructions and safety notes. If you have any questions please phone us! Follow the instructions on setting up, operation etc. This is the only way to avoid incorrect operation of the equipment and to ensure full warranty p...

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    Ii 1 brief operating instructions ...........................................................................................1 2 control and functional elements.................................................................................2 3 unit description .........................................

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    Iii 8.1 cleaning................................................................................................................................23 8.2 maintenance and repair .......................................................................................................23 8.2.1 maintenance of...

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    Iv explanation of signs danger: this sign is used where there may be injury to personnel if a recommendation is not followed accurately or is disregarded. ☞ note here special attention is drawn to some aspect. May include reference to danger. ➾ reference: refers to other information in different sec...

  • Page 7

    Brief operating instructions 13.04.99 yace0059 1 1 brief operating instructions this brief instruction shall give you the possibility to operate the unit quickly. For safe operation of the unit it is absolutely necessary to read carefully all the instructions and safety notes! 1. Assemble unit and a...

  • Page 8

    Control and functional elements 2 2 control and functional elements cooling led green, supply on menu functions mains switch setting of the overtemperature switch-off point pump connections − return pump connections − outflow bath bridge bath cover.

  • Page 9

    Unit description 13.04.99 yace0059 3 3 unit description 3.1 unit types the type designation of the ecoline low-temperature thermostats consists of the letter r (identification as low-temperature unit), the control unit e 100 and the type of bath and refrigeration system. Example: refrigeration unit ...

  • Page 10

    Unit description 4 3.3 temperature indication, control, and safety circuit the equipment is provided with a 7 segment lcd-display (3 ½ places) with additional symbols for indicating bath temperature and settings as well as operating states. The setpoint can be input and additional adjustments can be...

  • Page 11

    Unpacking 16.07.01 yace0059 5 4 unpacking after the unit and accessories have been unpacked they have to be examined for possible transport damage. If there is any damage visible on the unit, the forwarding agent or the post office has to be notified so that the shipment can be examined. Standard ac...

  • Page 12

    Preparations 6 5 preparations 5.1 assembly and setting up ☞ − place the unit on a flat surface − after transport and before starting up, store it standing in upright position for two hours if possible − do not cover the ventilation openings at the back of the unit and its lower part. Keep clear dist...

  • Page 13

    Preparations 13.04.99 yace0059 7 ☞ − the unit can be operated safely up to an ambient temperature of 40°c − depending on the loading of the refrigeration system, a temporary shut-off can occur, especially in case of an ambient temperature of over 35°c. Additionally a higher ambient temperature resul...

  • Page 14

    Preparations 8 emptying − switch off the thermostat, pull out the mains plug! − drain the bath liquid through the drain cock ! Using tubing. ☞ − the units are designed for operation with non-flammable and flammable liquids to en 61010-2-010! Flammable liquids can be operated up to no more than 25°c ...

  • Page 15

    Preparations 12.07.00 yace0059 9 5.3 bath liquids and hose connections bath liquids lauda designation working tem- perature range chemical designation visco- sity (kin) viscosity (kin) at temperature fire- point ref.No. Quantity former designation from °c to °c at 20°c mm²/s mm²/s 5 l 10 l 20 l wate...

  • Page 16

    Preparations 10 hose connections tubing type int. Dia. Ø mm temperature range °c application ref. No. Perbunan tubing, uninsulated 9 0 to 120 for all bath liquids rkj 011 perbunan tubing, uninsulated 12 -0 to 120 for all bath liquids rkj 012 perbunan tubing insulated 12 ext. Dia. 35mm approx. -60 to...

  • Page 17

    Preparations 13.04.99 yace0059 11 5.4 connection of external circuits operation as circulation thermostat − connect 11-12 mm int. Dia. Tubing ( ➾ section 5.3.) to the pump connector − pump outflow connection always in front, return connection always at the back. ☞ − if the cross-section of the tubin...

  • Page 18: 0,25S

    Starting up 12 6 starting up 6.1 connection to the supply compare the supply voltage against the data on the rating label. Model according to emc directive en 61326-1 class b.* − connect the unit only to a grounded mains power socket (pe). − no warranty when the thermostat is connected to a wrong su...

  • Page 19

    Starting up 22.02.01 yace0059 13 − the display for lll (low-level) appears. − the fault triangle is flashing − press the key. If necessary repeat several times. − also press the key if the unit had switched off under a fault condition. 6.3 setpoint selection or − shortly press one of the keys ! Adju...

  • Page 20

    Starting up 14 6.4 menu functions − switching from setpoint selection (level 0) to level 1 using the key or − within one level it is possible to scroll using the keys. − in principle , after each setting has been made it is entered automatically after approx. 4 s or − settings are entered immediatel...

  • Page 21

    Starting up 13.04.99 yace0059 15 6.4.2 pump output and 1x − switch from the actual value display to pump output by pressing the key combination shown on the left or − move forward from "refrigeration system" with this key − display shows p and actual pump output step 1...5. − press the key ! Display...

  • Page 22

    Starting up 16 6.4.3 user calibration ☞ − remove the external consumers and switch the setting knob of the pump to right side. ( ➾ section 5.4). − a reference thermometer with necessary accuracy is required. Otherwise the factory calibration should not be altered. The reference thermometer has to be...

  • Page 23

    Starting up 13.04.99 yace0059 17 example a) insert a suitable thermometer into the bath (long enough and far enough). B) remove the external consumers and turn the setting knob of the pump outflows to the right side. C) set the setpoint to a temperature where you use to work (e.G. Set the setpoint t...

  • Page 24

    Starting up 18 " " " " − when the bath temperature arises above the overtemperature switch-off point. 1. Double signal tone sounds 2. The display shows the indication for overtemperature ttt the fault triangle is flashing ! Heating is switched off on both poles, ! Pump and refrigeration system are s...

  • Page 25

    Starting up 13.04.99 yace0059 19 6.5.2 low-level protection and testing " " " " − double signal tone sounds, if the bath liquid falls so much that the heater is no longer covered with liquid completely 1. The display shows lll (low-level) and the fault triangle is flashing ! Heating is switched off ...

  • Page 26

    Starting up 20 6.5.4 other error messages − other error messages shown on display. Eee changes with error code, e.G. 0 ! Various temperature probe faults. ! Pump fault, proceed as in section 6.5.3. ☞ − if the fault report is repeated ! Pull out the mains plug and try whether the motor can be rotated...

  • Page 27

    Safety notes 13.04.99 yace0059 21 7 safety notes 7.1 general safety notes a laboratory thermostat is intended for heating and pumping liquids according to the needs of the user. This leads to hazards by high temperatures, fire, and the general hazards by the use of electrical energy. The user is lar...

  • Page 28

    Safety notes 22 produced. Ensure appropriate ventilation! • when changing the bath liquid from water to oil, for temperatures above 100 °c, carefully remove all traces of water, also from tubing and from the external consumer, otherwise ! Danger of burns through delayed boiling! • always pull out th...

  • Page 29

    Maintenance 13.04.99 yace0059 23 8 maintenance 8.1 cleaning before cleaning the unit, pull out the mains plug! The unit can be cleaned with water adding a few drops of detergent (washing up liquid), using a moist cloth water must not enter the control unit ☞ − carry out appropriate detoxification if...

  • Page 30

    Maintenance 24 8.2.1 maintenance of the refrigeration unit the refrigeration unit operates largely without maintenance. Depending on the ambient dust conditions and the operating time, any dust on the heat exchanger (condenser) must be removed at intervals on 2 weeks or longer. This is done after ta...

  • Page 31

    Technical data 13.04.99 yace0059 25 9 technical data (to din 58966) low-temperature thermostats re 104 re 106 re 107 re 112 re 120 operating temperature range °c -10 to 120 -20 to 120 -35 to 120 -30 to 120 -30 to 120 ambient temperature range °c 5...40 ( # section 5.1) setting resolution °c 0.1 indi...

  • Page 32

    Technical data 26 standard settings of control parameters and pump ➾ section 6.4.5.1. And 6.4.5.2. And 6.4.2. Unit type xp (°c) tn (s) pump outflow step re 104, re 204 7,0 20 2 re 106, re 206, re 306 4,0 20 2 re 107, re 207, re 307 3,0 25 3 re 112, re 212, re 312 4,5 30 4 re 120, re 220, re 320 2,0 ...

  • Page 33

    Technical data 13.04.99 yace0059 27 cooling curve measured with ethanol bath liquid: water/glycol 1:1 (to -25°c) as bath liquid time from graph x 1,7 we reserve the right to make technical alterations!.

  • Page 34

    Accessories 28 10 accessories accessories suitable for ref. No. Bath cover two parts re 120 lcz 0633 gable cover re 120 lcz 011 rising platform 8 steps re 106, re 107 lcz 0646 rising platform 8 steps re 112 lcz 0647 rising platform 8 steps re 120 lcz 0635 tubing clamp stainless steel 10-16mm ezs 012...

  • Page 35

    Circuit diagram 13.04.99 yace0059 29 11 circuit diagram.

  • Page 36

    Circuit diagram 30

  • Page 37

    Circuit diagram 12.07.00 yace0059 31 230v; 50hz ◆ 230v; 50/60hz ◆ [230v; 60hz] at serial no: x01 re 1xx re 2xx re 3xx a 1 printed circuit board „mains“ ul 487-1 ul 487-1 ul 487-1 a 2 printed circuit board „display“ ul 488-1a ul 488-1b ul 488-1c a 3 printed circuit board serial interface rs 232/rs 48...

  • Page 38

    Circuit diagram 32 115v; 60hz ◆ [100v; 50/60hz] at serial no: x01 re 1xx re 2xx re 3xx a 1 printed circuit board „mains“ ul 499 ul 499 ul 499 a 2 printed circuit board „display“ ul 488-1a ul 488-1b ul 488-1c a 3 printed circuit board serial interface rs 232/rs 485 ---------- ul 490 ul 490 a 4 printe...

  • Page 39

    Pipe plan 16.07.01 yace0059 33 12 pipe plan.

  • Page 40

    Pipe plan 34.

  • Page 41

    Pipe plan 16.07.01 yace0059 35.

  • Page 42

    Pipe plan 36 230v; 50hz ◆ 230v; 50/60hz ◆ [230v; 60hz] at serialno.: x01 typ re 1xx re 2xx re 3xx re 004 f 4 pressure switch cc20 24/17 bar es 045 es 045 ---------- m 2+m 3+j 5 cooling unit pl 50 fx no emk 173 emk 173 ---------- j 1 drier eo 003 eo 003 ---------- j 2 capillary hka 114 hka 114 ------...

  • Page 43

    Pipe plan 11.08.99 yacd0059 37 115v; 60hz ◆ [100v; 50/60hz] at serialno.: x01 typ re 1xx re 2xx re 3xx re 004 f 4 pressure switch cc20 24/17 bar es 045 es 045 ---------- m 2+m 3+j 5 cooling unit pl 50 fx no emk 176 emk 176 ---------- j 1 drier eo 003 eo 003 ---------- j 2 capillary hka 114 hka 114 -...

  • Page 45

    BestÄtigung / confirmation / confirmation formblatt / form / formulaire: unbedenk.Doc erstellt / published / établi: lsc Änd.-stand / config-level / version: 0.1 datum / date: 30.10.1998 lauda dr. R. Wobser gmbh & co. Kg pfarrstraße 41/43 tel: +49 (0)9343 / 503-0 d - 97922 lauda-königshofen fax: +49...