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  4. Ecoline RE 204
  5. Operating Instructions Manual

Lauda Ecoline RE 204 Operating Instructions Manual

Summary of Ecoline RE 204

  • Page 1

    Lauda dr. R. Wobser gmbh & co. Kg p.O. Box 1251 97912 lauda-königshofen germany from series x01 software version 3.1 3/99 yace0060 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 re...

  • 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...

  • Page 4

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

  • Page 5

    Iii 6.4.4.2 indicating/ altering of programme segments................................................................................25 6.4.4.3 number of programme running....................................................................................................27 6.4.4.4 starting of the p...

  • Page 6

    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 10.08.99 yace0060 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

    Brief operating instructions 2.

  • Page 9

    Control and functional elements 10.08.99 yace0060 3 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 connection: − outflow bath bridge bath cover.

  • Page 10

    Unit description 4 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 200 or e 300, and the type of bath and refrigeration system example: control unit e 200 and bath ...

  • Page 11

    Unit description 10.08.99 yace0060 5 a pt 100 temperature probe is used for measuring the actual temperature and for control. A second pt 100 serves as temperature probe for the safety circuit (overtemperature protection) which is independent of the control function a low-level protection switches o...

  • Page 12

    Unit description 6 3.7 serial interfaces rs 232, rs 485 3.7.1 specification and interface test computer thermostat data 9-pin sub-d socket 25-pin sub-d socket 9-pin sub-d socket data ① ② ① ② ① ② r x d 2 2 3 3 2 2 t x d t x d 3 3 2 2 3 3 r x d dtr 4 20 4 dsr signal ground 5 5 7 7 5 5 signal ground ds...

  • Page 13

    Unit description 10.08.99 yace0060 7 the rs 232 interface can easily be tested with the pc connected, using the ms-windows operating system. On windows 3.11 with the programme "terminal" and on windows 95 with the programme "hyper terminal terminal”. The rs 485 bus absolutely needs a bus-termination...

  • Page 14

    Unit description 8 3.7.3 output commands command explanation out_sp_00_xxx.Xx setpoint transfer with up to 3 places before the decimal point and up to 2 places behind out_sp_01_xxx.Xx pump output step 1, 2, 3, 4 or 5, 0 = stop out_sp_02_xxx.Xx operating mode of the refrigeration system “0“ = off, "1...

  • Page 15

    Unit description 10.08.99 yace0060 9 permitted data formats -xxx.Xx -xxx.X -xxx. -xxx xxx.Xx xxx.X xxx. Xxx -xx.Xx -xx.X -xx. -xx xx.Xx xx.X xx. Xx -x.Xx -x.X -x. -x x.Xx x.X x. X -.Xx -.X .Xx .X 3.7.4 data request from the thermostat the response from the thermostat is always in the fixed format "x...

  • Page 16

    Unit description 10 in_err_00 fault diagnosis microcontroller 1 ➀ in_err_01 fault diagnosis microcontroller 2 ➀ in_mode_00 (a015_in_mode_00 -->rs485) 0 = rs 232 + keyboard/ 1 = only rs 232 interface (0 = rs 485 + keyboard/1 = only rs 485 interface) rmp_in_00_xx (1...20) request to indicate the progr...

  • Page 17

    Unpacking 10.08.99 yace0060 11 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 a...

  • Page 18

    Preparations 12 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 dis...

  • Page 19

    Preparations 10.08.99 yace0060 13 ☞ − the unit can be operated safely up to an ambient temperature of 40°c − depending on the loading of the refrigeration system it may switch off temporarily especially at ambient temperatures above 35°c. Elevated ambient temperatures also result in reduced cooling ...

  • Page 20

    Preparations 14 emptying − switch off the thermostat, pull out the mains plug! B) 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°...

  • Page 21

    Preparations 12.07.00 yace0060 15 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 wat...

  • Page 22

    Preparations 16 din safety data sheets are available on request! Hose connections a) elastomer tubing 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 liqui...

  • Page 23

    Preparations 10.08.99 yace0060 17 5.4 connection of external circuits operation as circulation thermostat − connect 11-12 mm int. Dia. Tubing (for types re 3xx use metal hoses) (➾ section 5.3.) to the pump connector − pump connection outflow always in front, return connection always at the back. ☞ −...

  • Page 24

    Preparations 18 − using the setting knob at the pump outflows, divide up the pump flow in accordance to the thermostating task.(➾ section 5.1) − position ➀ ➀ ➀ ➀ ! Maximum flow in the external circuit (setting knob turned anticlockwise). − position ➁ ➁ ➁ ➁ ! Flow passes through pump outflow and outl...

  • Page 25: 0,25S

    Starting up 10.08.99 yace0060 19 6 starting up 6.1 connection to the supply compare the supply voltage against the data on the rating label. − connect the unit only to a grounded mains power socket (pe). − no warranty when the thermostat is connected to a wrong supply! − without external circuit ens...

  • Page 26

    Starting up 20 " " " " − a double signal tone sounds. − the display for level (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 (level 0) or − inp...

  • Page 27

    Starting up 10.08.99 yace0060 21 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 e...

  • Page 28

    Starting up 22 ☞ − the refrigeration system can normally work with automatic operation = a. The refrigeration system switches on or off depending on the temperature and operation status. − in special cases the cooling machine can be switched off ! ”0” or adjusted at permanent running ! ”i”. 6.4.2 pu...

  • Page 29

    Starting up 10.08.99 yace0060 23 6.4.3 setting the setpoint resolution and 2x − to set the setpoint resolution from level 0 press the key combination on the left − move forward with the key from the pump-function. − the current bath temperature, res and the current setpoint resolution are indicated....

  • Page 30

    Starting up 24 6.4.4 programmer (types re 3xx only) and 3x − to view or to set the programmer, starting from level 0 (setpoint input) press the key combination on the left, or − from res function scroll with this key. − the display shows pgm (programmer). Data for up to 20 programme segments can be ...

  • Page 31

    Starting up 10.08.99 yace0060 25 6.4.4.2 indicating/ altering of programme segments − when pgm appears on the display (therefore proceed as described in 6.4.4.) press the key on the left. − the display shows run. Here the programmer can be started (➾ section 6.4.4.4.) − forward with key until edit a...

  • Page 32

    Starting up 26 − the variable currently activated flashes quickly (here the segment number). − to alter the required variable start with this key or − if e.G. The segment number is flashing, all segments can be indicated in sequence by pressing one of the two keys, or − if segment temperature or seg...

  • Page 33

    Starting up 10.08.99 yace0060 27 ☞ − while the programmer is in operation segments can be altered (including the current segment) and new segments can be inserted. All segments can also be deleted at each time (except the current segment) (➾ section 6.4.4.5.) but: if the new segment time is shorter ...

  • Page 34

    Starting up 28 − with key back to "setpoint selection". (level 0). 6.4.4.4 starting of the programmer − from level 0 proceed as described under 6.4.4. When pgm appears on the display, press the key on the left. − the display shows run, or − forward with key from edit resp. Loop until run appears, th...

  • Page 35

    Starting up 10.08.99 yace0060 29 6.4.4.5 inserting/ deleting of programme segments 1. From level 0 proceed as described under 6.4.4. When pgm appears on the display, press the key on the left. 2. The display shows run (or stop if the programmer had been started). Scroll with this key until edit appe...

  • Page 36

    Starting up 30 ☞ − when a new segment is inserted, all subsequent segments are shifted on by one position.( ➾ example section 6.4.4.1). − when 20 segments are inserted, the last one will disappear when a new segment will be input. − new segments can also be inserted while the programmer is activated...

  • Page 37

    Starting up 10.08.99 yace0060 31 − − − − to input a segment time longer than 255 min it has to be split between several consecutive segments. 6.4.4.6 holding/continuing the programme when the programmer is activated, the programme can at any time be held and be continued again. For this 1. When the ...

  • Page 38

    Starting up 32 6.4.4.7 terminating the programme − from level 0 proceed as described under 6.4.4. When the display shows pgm, press the key. − the display shows stop. The current segment is indicated after stop. Press the key, the programme is terminated immediately − with the key, forward to end, t...

  • Page 39

    Starting up 10.08.99 yace0060 33 6.4.5 parameters and 4x − directly from level 0 (setpoint selection) press the key combination on the left (on re 3xx) and 3x − on re 2xx , or − forward with the key from pgm function. − here it is possible to switch over to level 2. Press the key on the left, contin...

  • Page 40

    Starting up 34 6.4.5.1 setting the proportional band of the pid-controller and 4x and 3x − directly from level 0 (setpoint selection), press the key combination on the left (top one on re 3xx, bottom one re 2xx), until the para function is reached, then − switch to level 2 from para (see above) with...

  • Page 41

    Starting up 10.08.99 yace0060 35 6.4.5.2 setting the reset time of the pid-controller and 4x and 3x − directly from level 0 (setpoint selection), press the key combination on the left (top one on re 3xx, bottom one re 2xx), until the para function is reached, then and 1x − switch to level 2 and move...

  • Page 42

    Starting up 36 re 2xx), until the para function is reached, then and 2x − switch to level 2 and move forward with key on the left − the display shows the current bath temperature and the currently set interface. To alter the setting press the key. Or − display flashes (approx. 4 s.). During this tim...

  • Page 43

    Starting up 10.08.99 yace0060 37 and 3x − switch to level 2 and move forward with key on the left. − the display shows the current bath temperature, kbd and the current setting. To alter the setting press the key. − display flashes (approx. 4 s). Or − during this time, start to set the required valu...

  • Page 44

    Starting up 38 6.4.5.5 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 45

    Starting up 10.08.99 yace0060 39 6. Switch back to level 0 or 7. With key back to "setting the transfer rate 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 ...

  • Page 46

    Starting up 40 ☞ − when the switch-off point is being adjusted by more than 2°c ! Display shows max and actual overtemperature switch-off point with 1°c resolution for approx. 4 s. − the position of the potentiometer is decisive for the setting. The display is just a help for the setting. − − − − se...

  • Page 47

    Starting up 10.08.99 yace0060 41 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 level (low-level) and the fault triangle is flashing ! Heating is switched of...

  • Page 48

    Starting up 42 6.5.3 pump motor monitoring ☞ − in case of pump motor overload or a blockage the heating and the pump are switched off. " " " " − double signal tone sounds. − the display shows pump and the fault triangle is flashing − rectify the cause of the fault, e.G. Clean the pump or check the v...

  • Page 49

    Starting up 10.08.99 yace0060 43 6.5.5 other error messages − e 0 etc. Is flashing in the bottom line ! 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 by the fan blade...

  • Page 50

    Safety notes 44 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 largely protected thr...

  • Page 51

    Safety notes 10.08.99 yace0060 45 • depending on the bath liquid used and the mode of operation it is possible for toxic vapours to be produced. Ensure appropriate ventilation! • when changing the bath liquid from water to oil, for temperatures above 100 °c, carefully remove all traces of water, als...

  • Page 52

    Maintenance 46 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 dangerous materia...

  • Page 53

    Maintenance 10.08.99 yace0060 47 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. Thi...

  • Page 54

    Technical data 48 9 technical data (to din 58966) low-temperature thermostats re 204 re 206 re 207 re 212 re 220 operating temperature range °c -10 to 200 -20 to 200 -35 to 200 -30 to 200 -30 to 200 ambient temperature range °c 5...40 ( #section 5.1) setting resolution °c 0.01 indication resolution ...

  • Page 55

    Technical data 10.08.99 yace0060 49 re 306 re 307 re 312 re 320 operating temperature range °c -20...200 -35...200 -30...200 -30...200 ambient temperature range °c 5...40 ( # section 5.1.) setting resolution °c 0.01 indication resolution °c 0.05 indication accuracy ±0.2 °c ➂ additive re-calibration ...

  • Page 56

    Technical data 50 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 57

    Technical data 10.08.99 yace0060 51 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 58

    Accessories 52 10 accessories accessories suitable for ref. No. Bath cover two parts re 220 lcz 0633 gable cover re 220, re 320 lcz 011 rising platform 8 steps re 206, re 306, re 207, re 307 lcz 0646 rising platform 8 steps re 212, re 312 lcz 0647 rising platform 8 steps re 220, re 320 lcz 0635 pump...

  • Page 59

    Circuit diagram 10.08.99 yace0060 53 11 circuit diagram.

  • Page 60

    Circuit diagram 54.

  • Page 61

    Circuit diagram 12.07.00 yace0060 55 230v; 50hz ◆ 230v; 50/60hz ◆ [230v; 60hz] at serialno.: 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 62

    Circuit diagram 56 115v; 60hz ◆ [100v; 50/60hz] at serialno.: 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 63

    Pipe plan 16.08.99 yace0060 57 12 pipe plan.

  • Page 64

    Pipe plan 58.

  • Page 65

    Pipe plan 16.08.99 yace0060 59.

  • Page 66

    Pipe plan 60 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 67

    Pipe plan 16.08.99 yace0060 61 1150v; 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 69

    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...