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KAL - Kobold

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1. Kee MLO Operating Instruction for Calorimetric Flow Monitoring Device Model KAL 4 amp e A o 1 Contents O 2 22 NO AAN VI A A AA NAAA 3 So nstr ment INS PEO A AA OE O O DA OEG 3 4 Regulated USE oi A A ii E deh ee 4 5 Operating Principle GNS SEBA eset anes ERA wit WARAN che PRADA eter en 5 6 Mechanical CONNSCUON tratas was OKO R A CAO O 5 L Electrical COMMEGCLOMN ici WE babka zl al zac 6 Os MINO COMM ACLS mund DSO OR OE R ROK 6 9 Alignment Balanci g maa lie iii 7 TO COMMISSIONI seconds 10 TANIA AO o da a E RE TAI 10 12 FaulESIOnallIMO xt dra 11 13 Technical NOM A 11 14 Order Codes nus ia 12 15 DIMENSIONS cars ts dalla dla Li do o aio Lisio o et RL pos LL dal 13 16 Declaration of Conformance aaa aa aaa aaa aa aaa aa aa aaza zazna zana nizie 14 Manufactured and sold by Kobold Messring GmbH Nordring 22 24 D 65719 Hofheim Tel 49 0 6192 2990 Fax 49 0 6192 23398 E Mail info de kobold com Internet www kobold com Page 2 KAL 07 04 2 Note Please read and take note of these operating instructions before unpacking and setting the unit for operation and follow the instructions precisely as described herein The devices are only to be used maintained and serviced by persons familiar with these operating instructions and with the prevailing regulation applying to procedural safety and the prevention of accidents By usage in machines the measur
2. the flow relay is released This happens in the following cases e Actual value lt Desired value e Short circuit e Line break e Power failure 13 Technical Information Sensor Materials Housing cable cable screw fittings cable Setting ranges Medium temperature max pressure 1 4301 PVC Nickel plated brass PG 7 Length 2m max length 100 m can be extended by customer Number of Leads 2 Lead cross section 0 56 mm AWG 20 flexible cord 4 cm s 200 cm s 20 C to 80 C Option KAL HT 20 120 C 100 bar Caution KAL 1132 and 1140 max 25 bar Protection EN 60529 Electronic system Power draw Breaking capacity Switch point alignment Switch function Output Switch status display Page 12 IP 68 max 3 6 Watts max 250 V max 3 A via potentiometer Relay pick up is made during flow terminal 9 amp 10 closed LED lit Option KAL E3 Relay pick up is made in case of temperature shortfall LED lit Terminals 12813 closed Relay with 1 change over contact LED KAL 07 04 Stand by time Temperature range Top hat rail mounting Housing protection Terminal protection Material Sensor output Cable break or short circuit Power failure Trend display Consistency Reaction time Accuracy of temperature limit 14 Order Codes max 13 s 25 80 C DIN EN 50022 and DIN 46277 IP 40 IP 20 Polycarbonat Short circuit p
3. right hand stop Reconnect power supply and switch device on Briefly press SET key 5 The temperature LED will flashed and switch off again after approx 10 seconds In case of malfunction see point 9 8 Initial operation If the temperature LED flashes more quickly this could be caused by the fact that the probe is connected instead of a 10 Ohm resistor Remove the 100 Ohm resistor and replace the sensor KAL 07 04 10 Commissioning The use of this meter in machines acc to directive 89 392 EWG is prohibited until the complete machine complies to this directive Illustration KAL E3 1 Potentiometer Setting of flow switch Zero point alignment turn to left hand stop Extending measuring range turn to right hand stop NU KAL E3 CE l 4 O O i i En e 7 2 Potentiometer Setting of temperature switch point only KAL E3 3 LED trend display for flow speed and switch point OBOD LO 4 LED temp is ME O O 277 illuminated when 6 LED Flow is E Sd Temp operational temp is below illuminated when the set temp limit value flow is greater then set switches point 5 SET key for alignment extending measuring range 11 Maintenance The device requires no maintenance he sensor be checked at monthly intervals for deposits limescale etc and cleaned where necessary KAL 07 04 Page 11 KAL 12 Fault Signalling When the alarm functions
4. KAL E 1 e The further the Flow potentiometer 1 is turned to the left the lower the switch point e The further the Flow potentiometer 1 is turned to the right the higher the switch point Switch point setting Model KAL E 2 E 3 e Set Flow potentiometer 1 to left hand stop The first LED on the luminous display 3 will flash Any number of LED s on the luminous display will be continuously illuminated e Turn Flow potentiometer 1 to the right until the desired switch point is reached The current switch point will be displayed by a flashing LED Display 3 KKK Flashing flow speed 7 XXIXIXIXIX LED display flashin Explanation Result XIXIXIXIX flow gt switch point XIXIXIXIX flow gt switch point LED flashes at double frequency xx Flow lt switch point Flow LED off Flow relay open Flow relay pick up made Flow LED illuminated Flow relay pick up made Flow LED illuminated x x gt lt KAL 07 04 Page 8 KAL 07 04 Page 9 Only KAL E 3 with more than 10 m cable between sensor and electronic circuitry as well as increased accuracy when measuring temperature Temperature alignment Page 10 Caution Disconnect from power supply Connect full length extention cable gt 10 m terminals 6 amp 8 Connect 100 Ohm 1 resistor part of delivery package in place of sensor at the end of the instrument leads Set temperature potentiometer 2 at 80 C
5. hich it is penetrating If the medium is flowing then the heat produced in the probe is carried away by the medium i e the probe becomes cooler This cooling represents a measuring of the flow speed The electronic setting system compares the desired flow speed with the actual speed and activates an output relay when the desired value is not reached By the use of a micro controller simple calibrations is made possible In this way optimum temperature compensation can be achieved 6 Mechanical Connection Before installation e Ensure that the actual flow quantity corresponds to the setting range of the device i e to the flow speed e Ensure that the permitted maximum operating pressure and temperatures for the device are not being exceeded See point 13 Technical Information Installation Mount the sensor in the pipe KAL 1 in a sleeve welded to the pipe KAL 2 Fitting position The function of the sensor is not dependent on their fitting position provided that the pipe is completely filled with flow medium The place where the sensor are fitted must be free from turbulence in the medium 4x pipe section in front of and behind sensor If the medium is likely to cause any deposits in the tube then an appropriate fitting position alongside is recommended KAL 07 04 Page 5 KAL 7 Electrical Connection Warning Ensure that the voltage values of your installation correspond to the voltage
6. ing unit should be used only then when the machines fulfil the EW G machine guide lines PED 97 23 EG for KAL 11 and KAL 12 In acc with Article 3 Paragraph 3 Sound Engineering Practice of the PED 97 23 EC no CE mark Table 8 Pipe Group 1 dangerous fluids 3 Instrument Inspection These devices are checked before dispatch and sent away in perfect condition Should the damage to a device be visible we recommend a thorough inspection of the delivery packing In case of damage please inform your parcel service forwarding agent immediately since they are responsible for damages during transit Scope of delivery e probe with 2 m PVC as standard e Electronic setting system KAL 07 04 Page 3 KAL 4 Regulated Use Page 4 The KAL is to be installed only in the specified applications Every usage which exceeds the specifications is considered to be non specified Any damages resulting therefrom are not the responsibility of the manufacturer The user assumes all risk for such usage The application specifications include the installation start up and service requirements specified by the manufacturer Devices from the KAL model series are used for the monitoring of liquid flow Limiting relay The devices are equipped with limiting relays for monitoring the flow speed of liquids KAL E1 E3 Trend display An LED bar display shows the current flow value and the set switch point via a flashing LED onl
7. ration of Conformance We KOBOLD Messring GmbH Hofheim Ts Germany declare under our sole responsibility that the product KAL E1 KAL E3 Calorimetric flow monitoring device to which this declaration relates is in conformity with the standards noted below EN 50081 1 EMC General Emission Requirements EN 50082 2 EMC General Immunity Requirements EN 61010 Safety requirements for electr equipment for measuring control and laboratory use Also the following EWG guidelines are fulfilled 89 336 EWG 73 23 EWG pe eum Signed date 30 09 02 H Peters M Wenzel KAL 07 04 Page 15
8. roof Recognised as break in flow Flow LED will flash Calibration data retained for 10 years No Battery approx 10 ca 1 generally 5 sec max 12 sec 2 C Sensor order details Connection Order numbers Sensor for coupling fitting Sensor with pipe fitting Brass fitting Fitting 1 4301 Electrical Sensor 1 4301 Sensor 1 4301 Connection KAL 1308 KAL 1408 KAL 1108 KAL 1208 KAL 1315 KAL 1415 KAL 1115 KAL 1215 KAL 1320 KAL 1420 KAL 1120 KAL 1220 00 me foram as fi mae mae 3 sr ener wat soos kare Li ener eus arsas enem ats kase 2m PvC cable Order details electronics KAL E standard KAL EH high temperature version Example of order KAL 1308 HT KAL 07 04 application indication monitoring pow gt eacemma acemz kater rw sue arenas carene karena Flow 8 LEDs Temperature Supply voltage 110 VAC 230 VAC KAL E H 10 KAL E H 20 KAL H30 Page 13 KAL 15 Dimensions L 2000 20 60 10 A A B C D M12x1 SW19 23 43 G 1 4 SW19 26 43 G 1 2 SW27 43 58 G 3 4 SW32 43 58 Page 14 A B C D E G 1 4 SW27 10 50 81 G 3 8 SW27 10 50 81 G 1 2 SW 27 10 50 81 G 3 4 SW 32 15 52 82 5 Gi SW39 15 56 85 G 1 1 4 SW 46 15 50 90 G 1 1 2 SW 55 15 50 92 5 KAL 07 04 16 Decla
9. values given on the device s specification plate e Make sure that the electrical power supply is off e Connect the sensor cable to terminals 6 amp 8 on the setting system e Connect the power supply voltage supply to terminals 15 amp 16 10 201304050807 13 Temperature relay only on models Sensor KAL E3 The relais are illustrated in fallen state Flow Temps 24 VDC hi nini nimen E me AC voltage supply 220 VAC 110 VAC 24 VAC 10 50 60 Hz Flow Temp E U Gu l I ER g n DC voltage supply 24 VDC 15 10 8 Limiting Contacts Only on KAL E1 KAL E2 1x change over relay for flow speed Only on KAL E3 1x change over relay for flow speed 1x change over relay for temperature Page 6 KAL 07 04 9 Alignment Balancing Initial operation 9 1 Fit sensor in pipe ensure correct fitting location see point 6 Mechanical Connection 9 2 Connection sensor cables to electronic circuitry see point 7 Electrical Connection 9 3 Fill pipe with flow medium Caution There must be no air bubbles on the sensor Flow speed must be at 0 9 4 Commission electronic circuitry switch on supply voltage 9 5 Only on model KAL E 3 Set temperature potentiometer 2 to left hand stop 9 6 Zero point alignment Briefly activate the SET key 5 using a suitable object e g ball point pen 9 7 Flow LED 6 flashes for about 30 seconds After this time the Flo
10. w LED goes off 6 The device is now operational continue with point 9 9 9 8 In case of malfunction the Flow LED flashes continuously Press the SET key once again Device will switch back into measuring mode Check mechanical and electrical installation and recommence operational procedure from point 9 4 9 9 Switches on installation and set maximal flow If the flow speed is significantly less then 2 m s then on the trend display 3 there will be possibly fewer then 8 LEDs on It is now possible to extend this display 3 to the full range 8 LEDs This can only be successfully achieved however if the flow speed is somewhere between 0 25 1 8 m s e Set Flow potentiometer 1 see illustration to right hand stop only on KAL E3 Set temperature potentiometer to left hand stop e Briefly activate SET key 5 e Flow LED 6 will flash for 30 seconds After this time the Flow LED will go 30 off KAL 07 04 Page 7 KAL It is possible at any time to reset the electronic circuitry to the full range e Flow potentiometer 1 at right hand stop e Only on KAL E3 Temperature potentiometer 2 to left hand stop e Press the SET key 5 and hold in position until the FLOW LED stops The device has now been reset into basic functioning mode The device is now adjusted to your medium You can now set your switch point In case of malfunction see point 9 8 9 10 Set operational flow Switch point setting Model
11. y on models KAL E2 and KAL E3 Probes Probes are available in two options as a screw type or in line version Model KAL devices are always made up of two structural components e Probe e Electronic setting system The devices may only be used for liquids to which the probe housing materials are resistant With proper installation and maintenance the probes display no sensitivity to soiling and cause practically no pressure loss Materials KAL 11 Brass material KAL 12 KAL 23 KAL 53 St steel material 1 4301 KAL 24 KAL 54 St steel material 1 4571 Setting ranges in relation to nominal tube diameter ND mm Range l min water ND mm Range l min water 8 0 12 6 0 3 0 150 0 19 9 4 4 7 235 0 42 21 8 6 8 340 0 75 37 7 12 0 603 1 18 59 0 18 8 942 1 7 84 8 42 4 2120 KAL 07 04 KAL Attention For the measuring ranges gives the flow speed was converted to the nominal tube diameter It should be noted in line with this that in the tube towards the wall section the flow speed approaches 0 Depending on nominal tube diameter screw depth of the probe and flow profile occasional deviations some of them considerable may result 5 Operating Principle The all metal design electronic flow monitor device functions according to proven calorimetric principles The measuring probe is heated up a few degrees from the inside outwards in relation to the flow medium w

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