Operating instructions - Harnisch+Rieth GmbH+Co.KG
Contents
1. 13 35 12 UD Illus 16 Removing the ultra fine filter The sealing surfaces 35 in the ultra fine filter chamber should be free of dust as dust can damage the vacuum motor The filter chamber 33 ultra fine filter chamber and sealing surfaces 35 should be cleaned by vacuuming Compressed air should never be used See Illus 10 Page 13 and Illus 16 D LE 280 18 09 03 Vers 1 17 4 2 2 Fitting the ultra fine filter Insert the cleaned or new ultra fine filter cartridge 10 Mount the ultra fine filter retaining strips 11 on the set screws from above see Illus 17 Tighten the 4x M6 nuts 12 firmly and evenly Fit the ultra fine filter cover and tighten firmly with 2x quick action closures 13 as ND gt Check the filter system see Section 3 1 Checking the filter system Illus 17 inserting the ultra fine filter retaining strips 4 3 Service control lamp The extraction fan should be replaced if the Service control lamp 28 illuminates see Illus 7 Page 10 The extraction fan s2. Activate the extraction unit at the main switch 20 The control lamp 21 illuminates green Depress the Hand manual button 23 continually e The unit starts during this period e The extraction unit automatically reaches its highest vacuum level during operation after a short period of time The vacuum level is subsequently reduced automatically until the vacuum motor is shut down The Hand manual button 23 should only be released after the button 23 illumination is extinguished e The extraction unit starts automatically after this Actuate the Autom autom button 22 briefly The button illuminates green and the extraction unit changes to automatic mode 3 3 Automatic air volume control Note The air volume is increased or decreased to suit the number of dust generating devices in operation and is independent of the degree of dirt in the filter The air volume can be identified on the illuminated LED s 26a d The set air volume is then maintained at a constant level by electronic control until the automatic shut off feature is triggered The air volume can be altered by actuating button 24 to reduce the volume or button 25 to increase the volume 26d 26c 26b 2021 2223 24 25 26a 2728 Hand manual Autom autom Hauptschalter main switch I Illus 8 Plate with air volume display Illuminated LED 26a is equivalent to the air extraction volume for one workpl
3. Operating instructions Machine designation Triple workplace dust extraction unit Machine type D LE 280 Machine no Keep for future reference Dear customer Thank you for the confidence you have placed in us by purchasing this triple workplace dust extraction unit Please take time to read these operating instructions carefully especially before using the unit for the first time as this will ensure that the unit will give you good service for many years to come Contents 1T Safely sneren net eed Mantle ted wenn Men den enced 2 1 1 COMECHUSE tu oen sn him nent et ee aa RAG 2 1 2 Possible dange ennen nessen taten An E aa ee 2 1 3 Approved operators nattere etn ete 2 1 4 Safety measures at site of operation 3 1 5 Marking of safety references contained in these instructions 3 2 Starting Up ren ne en lt etre ete A berne tirer entree due 4 221 Technicalidatasf2 22822 ceaareadas aderen tdae ten lenhe An nn Ta Mur aa tence 4 2 2 Unpacking the triple workplace dust extraction unit 5 2 3 Short description of unit and identification of components eneee 5 2 4 Starting up procedure nnen nennen enenneneeneeenennnnenneneeenenennenenenenenenen ennen 7 2 4 1 Pneumatic structure of tube hose installation nnen 7 2 4 2 Structure of electrical installation nnn ennn vennen eneen ennen 9 3 Operation 225 sine steenen vervent unten dkendenhantek ahairea naaa aeania iaaea Peni Eini 11 3 1
4. Checking the filter system annen eenen enneeeenenneeneneneeenen eneen 11 3 2 Automatic On Off device Connection of dust generating devices 11 3 2 1 Individual adaptation of extraction unit sensitivity to dust generating GEVICES TASER neee Ane 12 3 3 Automatic air volume control 12 3 4 Automatic shut off and filter change control lamp eneen 13 4 _Cleaning Maintenance nnn anansn en ennnnerenennnenenennneneeennnenneennnnnrseennenreennneen 13 4 1 Replacing the filter bag aanmanen ennen Ad india 13 4 1 1 Removing the filter bag 13 4 1 2 Inserting the filter bag 16 4 2 Cleaning replacement of ultra fine filter 17 4 2 1 Removing the ultra fine filter ennen eenen ennen ennen 17 4 2 2 Fitting the ultra fine filter 18 43 Service control lampe 18 5 Electrical fuse protection see 18 6 Warranty conditions sms 19 7 EC declaration of conformity sise 20 8 Appendix Triad a a a aa Re eed dete 21 8 1 Tube Hose installation 3D aaa a iia 21 D LE 280 18 09 03 Vers 1 1 1 Safety 1 1 Correct use Caution The D LE 280 E triple workplace dust extraction unit is used in dental laboratories for extracting dust produced when working with instruments which generate dust It should never be used for vacuuming liquids The unit is suitable for collecting category C dust in compliance with the requirements laid down by the German Employers Liability I
5. way The distance between the air outlet and the next obstacle e g a wall or furniture must be at least 10 cm The exiting airflow can also be conveyed away by connecting a hose to the fitting 6 The unit should only be operated in cabinets or confined spaces if adequate ventilation is provided and the ambient temperature resulting from unit operation does not rise by more than approx 10 C No foreign bodies should be inserted through the ventilation ducts on the unit Ensure that the workplace always complies with pertinent accident prevention regulations by introducing appropriate internal company instructions and conducting inspections 1 5 Marking of safety references contained in these instructions Note Refers to tips and other particularly helpful information Caution Refers to particular methods of operation or handling non adherence to which can lead to malfunctioning damage or other problems Danger Refers to dangerous situations which can lead to injuries D LE 280 18 09 03 Vers 1 3 2 Starting up 2 1 Technical data 594 527 l 1 Illus 1 Side view with dimensions Machine designation Machine type Unit dimensions Electrical connection Overvoltage category Power consumption Electrical fusing Air flow Extraction hose connection Dust collection Weight Triple workplace dust extraction unit D LE 280 Width 200
6. 0 18 09 03 Vers 1 3 Operation 3 1 Checking the filter system Caution see Illus 2 Page 6 Illus 10 Page 14 Illus 12 Page 14 The D LE 280 triple workplace dust extraction unit should only be operated with a correctly fitted undamaged ultra fine filter 10 and filter bag 17 Remove the filter bag closure cover 14 Open the 2x quick action closures 13 and remove the ultra fine filter cover 8 Ensure that the ultra fine filter cartridge 10 is not damaged and is pressed tightly against the retaining strips 11 on the seal surfaces 35 The four M6 nuts 12 should be tightened firmly and evenly 5 The filter bag 17 should be undamaged when inserted in the wire basket 16 Ensure that the cardboard gasket is held securely in the defined position by the retaining clip 50 and retaining hook 51 see Illus 16 Page 16 The filter bag intake fitting 53 should sit tightly on the metal connection fitting in the filter bag chamber 33 see Illus 10 Page 14 Clamp the ultra fine filter cover 8 firmly with the aid of the two quick action closures 13 on the housing and seal the filter bag chamber 33 tight with the closure cover 14 see Illus 2 Page 6 3 2 Automatic On Off device Connection of dust generating devices Caution Note The extraction unit is equipped with an electronic On Off actuator which reacts to most hand held pieces and other dust generating laboratory de
7. 17 with the integrated closure cover 56 move in direction E pressing the stud 55 on the closure cover 56 in the lower part of the round cardboard gasket hole behind the edge of the hole thus sealing it See Illus 12 Picture and Illus 13 Detail X 7 Take the filter bag 17 and wire basket 16 to a disposal point Caution The disposable filter bag should never be emptied and reused as apart from health considerations this will lead to malfunctions Note Compressed air should not be used to remove any dust which is present from the filter chamber 33 D LE 280 18 09 03 Vers 1 15 4 1 2 Inserting the filter bag 1 Push the filter bag into the basket so that the V recesses 60 in the cardboard gasket 52 are inserted at a slant in the lower cardboard gasket receiver 54 see Illus 14 and Illus 16 Position the cardboard gasket firmly in the wire basket in a vertical position by pushing the retaining hook 56 into the hole 57 in the cardboard gasket see Illus 14 and Illus 16 3 Fix the position of the cardboard gasket in the upper area by pivoting the retaining clip 50 in the V recesses 61 of the cardboard gasket upwards turning simultaneously making contact between the filter bag and cardboard gasket push the filter bag away from the cardboard gasket in the upper area during this operation see Illus 14 and Illus 16 T 2 3 4 Implementof the paper flange in the bake Bearing of th
8. ace Illuminated LED 26a and b is equivalent to the air extraction volume for two workplaces Illuminated LED 26a b and c is equivalent to the air extraction volume for three workplaces Illuminated LED 26a b c and d is equivalent to the maximum achievable air extraction volume of the unit 12 D LE 280 18 09 03 Vers 1 3 4 Automatic shut off and filter change control lamp Note 1 Note Note see Illus 2 Page 6 An underpressure sensor triggers the automatic shut off feature and the filter change control lamp 27 illuminates as soon as the max permissible filter bag 17 filling level is reached The extraction unit is switched off The filter bag 17 must be replaced see Section 5 1 Replacing the filter bag The extraction unit can be switched on and off again or the filter bag 17 lightly beaten if the automatic shut off feature deactivates the unit The unit can then operate for some time without changing the filter bag Open the clamp closure 15 and remove the closure cover 14 to lightly beat the filter bag 17 The ultra fine filter cartridge 10 should be checked if the filter bag 17 is only slightly full after the automatic shut off feature is triggered filter change lamp 27 illuminates See Section 4 2 Cleaning replacement of ultra fine filter 4 Cleaning Maintenance Note see Illus 2 Page 6 The extraction unit can be switched on and off again or t
9. e directive 98 37 EC EC low voltage directive 73 23 EEC equivalent to 1 GSG regulation of 11 06 79 EC EMC directive 89 336 EEC equivalent to EMC law of 09 11 92 The following harmonizing standards were applied DIN EN 292 Machine safety DIN EN 61 010 1 Safety regulations for electrical measurement control and laboratory devices DIN EN 55 014 Interference suppression of electrical devices and systems DIN EN 55 104 Electromagnetic compatibility noise resistance requirements category l The following national technical specifications were applied ZH 1 487 Device for collecting dust which poses a health risk and reintroducing fresh air into workrooms Technical documentation is available The operation instructions relating to the machine are also available Director of the Quality Control Department Winterbach 15th March 2000 8 Appendix 1 8 1 Tube Hose installation 3D gt exhaust air Illus 18 Installation 3D D LE 280 18 09 03 Vers 1 21
10. e retaining y 52 bracketand of the hook filterbag _ q 52 Milterbag S filterbag 52 Image without filterbag Ni 50 50 h 50 51 x 51 Illus 14 Inserting the filter bag Gis 2 3 y y gt 61 p T lt J A y y EN f nk CERN lt IK T j l f i rt p F Ye SAR Co 4 I i Li IS fi i a Ak Og Ne Ne N 4 i NEN A ae SF 57 10 ws 56 60 Illus 16 Positioning the cardboard gasket in a vertical direction 4 Push the new filter bag 17 together with the wire basket into the extractor unit The filter bag is fitted tightly to the connection fitting in the filter chamber 33 during this procedure D LE 280 18 09 03 Vers 1 16 4 2 Cleaning replacement of ultra fine filter Note 4 2 1 The ultra fine filter 10 should be removed and replaced after approx ten filter bag 17 changes We will gladly clean the ultra fine filter 10 as part of an exchange using only filters tested in accordance with ZH 1 487 Paragraph 2 with test certificate complying with DIN 24 184 Removing the ultra fine filter Remove the closure cover for the dust bag 14 Open the 2x quick action closures 13 3 Loosen the 4x nuts 12 and lift out the ultra fine filter retaining strips 11 with slots see Illus Caution 13 Remove the ultra fine filter 10 35 12 35 10
11. he filter bag 17 lightly beaten if the automatic shut off feature deactivates the unit The unit can then operate for some time without changing the filter bag Open the clamp closure 15 and remove the closure cover 14 to lightly beat the filter bag 17 4 1 Replacing the filter bag 4 1 1 1 Removing the filter bag Open the clamp closure 15 and remove the cover 14 14 Illus 10 Removing the closure cover Closure cover for filter bag Filter bag Page 12 Clamp closure Filter bag chamber Page 12 Wire basket D LE 280 18 09 03 Vers 1 13 2 Pull the filter bag 17 out of the extractor unit together with the wire basket 16 16 17 16 17 33 Illus 10 Removing the wire basket 3 Pivot the retaining clip 50 away see Illus 12 Picture D 4 Pivot the retaining hook 51 out of the cardboard gasket by rotating it see Illus 12 Picture filterbag 52 Retaining clip z Retaining hook l 1 Cardboard gasket F Be Intake fitting Cardboard gasket receiver Studs Closure cover i Edge of round hole 51 JN i K 51 b 3 55 4 50 image without filterbag X 52 ta L 5 53 Fe 57 54 Illus 12 Removing the filter bag 14 D LE 280 18 09 03 Vers 1 5 Press the cardboard gasket against the filter bag direction C see Illus 13 Illus 13 Removing the filter bag 6 Close the filter bag
12. hoses and including hand held pieces union nuts glass panes carbon brushes illumination agents or damage resulting from incorrect operation is not covered by the terms of guarantee In order to provide you with a comprehensive service we would like you to fill out the guarantee return form enclosed at the beginning of these instructions and send it to us by fax or letter window envelope Verband Deutscher Elektrotechniker German Electrical Technician Association Fax no 0 71 81 73 13 9 Machine 7 2 7 designation Triple workplace dust extraction unit aschine type D LE 280 Duplicate maschine yp Guarantee return form Maschine no Date of purchase Dealer Store Harnisch Rieth GmbH amp Co Maschinenbau Postfach 1260 From 73644 Winterbach Date signature 7 EC declaration of conformity as stipulated by the EC directive for machines 98 37 EC We hereby declare that the design of the machine specified below conforms with basic safety and health requirements of the listed EC directives This certificate is no longer valid in the event of modifications being made to the machine which are not approved by us Name of the manufacturer Harnisch Rieth Address of the manufacturer KtiferstraRe 14 16 73650 Winterbach Machine designation Triple workplace dust extraction unit Machine type D LE 280 The following pertinent EC directives were applied EC machin
13. hould only be replaced or checked by a qualified electrician 5 Electrical fuse protection The entire unit is protected by two 16 A T 2x fine fuses 19 18 D LE 280 18 09 03 Vers 1 6 Warranty conditions This device conforms with current safety regulations and was subjected to extensive testing before leaving the works We grant a 12 months guarantee in which we are obliged to carry out all repairs necessary as a result of material or production faults free of charge Warranty limitations 1 The guarantee is considered void if repairs are not carried out by specialized dealers or by us 2 Spare parts deliveries made for reasons covered by the guarantee do not lead to an extension of the original guaranty period 3 Incorrect installation e g failure to heed VDE regulations or written installation instructions 4 Incorrect operation or stress 5 External influences e g transportation damage damage caused by impacting or blows damage caused by the effects of weather or other natural phenomenae 6 Repairs and alterations not carried out by authorized third parties 7 Unit breakdown resulting from adjustment alteration or any other attempt to adapt the unit is not considered a material or production fault This guarantee neither encompasses the costs of such adjustment alteration or any other attempt to adapt the unit nor remedying of the resulting damage 8 Normal wear and tear e g spray nozzles
14. mm Depth 594 mm Height 597 mm 230 Volt 50 Hz Il Max 900 W The overall power consumption of all connected devices in total should not exceed 2200 W 2x 16 A T mains connection max 58 I second 50 mm Up to approx 10 kg depending on dust type Approx 32 5 kg D LE 280 18 09 03 Vers 1 2 2 Unpacking the triple workplace dust extraction unit Note nm 00 Ne Inspect the packaging and unit for transportation damage and report any damage detected immediately to the haulage firm and or supplier Place the carton on a flat surface Remove the top packaging material Push the packaging material away from the unit Grasp hold of the unit by the lower edge The unit weight approx 32 5 kg should be lifted out of the carton by two persons Check the accessories Documentation Mains power cable See delivery note for further possible accessories 2 3 Short description of unit and identification of components The D LE 280 triple workplace dust extraction unit has a powerful high pressure fan which is fitted with noise suppression It is also equipped with an automatic electronic ignition an automatic shut off feature with filter change indicator and automatic air volume control Pneumatic stop valves are connected and automatically actuated when the respective dust generating device is activated enabling free airflow at the specified vacuum duct The automatic ignition electronics detect a ro
15. nsurance Association Berufsgenossenschaft as defined in ZH 1 487 Unauthorized modifications and additions are not permitted for safety reasons The operating and maintenance conditions specified in these operating instructions must be adhered to The unit is not designed as a medical device Use on people is prohibited 1 2 Possible dangers Danger Potential sources of ignition or combustible gases vapors and liquids should not be extracted with the triple workplace dust extraction unit Particular attention should be paid to ensuring that the filter bag and ultra fine filter are always installed correctly and undamaged as the dust collected more or less poses a hazard to health Switch off the unit and disconnect from mains power supply before carrying out maintenance and cleaning work pull out the mains plug The unit should be disconnected from the mains power supply before accessing the built in electrical components The unit is not suitable for use in rooms where special conditions exist e g corrosive or potentially explosive atmospheres 1 3 Approved operators The operator of the unit should ensure that the operating instructions are accessible to the operating personnel and have been read and fully understood Only then should the operator commission the unit D LE 280 18 09 03 Vers 1 1 4 Safety measures at site of operation Air flowing out of the air outlet 6 should not be hindered in any
16. or automatic stop valves 2x ultra fine filter retaining strip 6 D LE 280 18 09 03 Vers 1 2 4 Starting up procedure Check filter system see Section 3 1 Checking the filter system 2 4 1 Pneumatic structure of tube hose installation see Illus 2 Page 6 Illus 4 Page 7 Illus 5 Page 8 1 Establish a hose tube connection to the dust generating devices select a hose length which is a short as possible maximum length approx 2 m for each device A hose can be connected to the 75 mm exhaust air fitting 2 Connect the automatic pneumatic stop valve to the compressed air supply pneumatic connection 41 see Illus 6 Page 9 Note All devices and installation components can be connected to the unit with flexible hoses or rigid plastic tubes see following examples a I AE WWI Te table top 30 2a 3a 4a 3a 6a 7a 5a 7a 37 9a lla 12a 10a Illus 4 Laying tubing to devices over long distances 90 bend T piece connection fitting 50 90 angle piece Reducer 50 9 45 9 40 PVC hose fitting PVC hose fitting 50 45 40 Hose Tube Hose Tube 50 45 40 T piece PVC hose fitting 50 45 40 T piece connection fitting Automatic pneumatic stop valve Dust generating device no 1 Dust generating device no 2 Dust generating device no 3 D LE 280 18 09 03 Ve
17. rs 1 7 3 The 90 bend 1a is used for hose tube laying above the work plate see Illus 4 and Illus 5 A 60 mm hole is required in the work plate 4 The 90 angle piece 1a is used for hose tube laying below the work plate see Illus 4 and Illus 5 T piece 50 40 tumable 4 N 4 G40 O 4 4 Illus 5 Laying tubing to devices over shorter distances D LE 280 18 09 03 Vers 1 2 4 2 Structure of electrical installation see Illus 6 Page 9 1 Connect the dust generating device mains power cable to socket A socket Li 2 3 see Illus 2 Page 6 and Illus 6 Page 9 2 Connect the stop valve connection cable to socket B to respective socket Li 2 3 Turn the outer sleeve 39 of the connector 38 to the right to lock the connector in socket B bayonet lock 3 Establish a connection to the mains power supply 230V 50Hz with the mains cable provided socket 7 38 40 41 Gc unes Illus 6 Unit and electrical connections Vacuum fitting 50 mm FN Netz mains 280V 50 Hz 7 2XIGAT 19 Connector with cable and solenoid valve socket Exhaust air fitting 75 mm Outer connector sleeve with bayonet lock Mains power supply socket 230V 50Hz Solenoid valve Main fuses 2x 16 A T Pneumatic connection Connection fittings 45 mm 3x socket for dust generating devices Automatic pneumatic stop
18. tating hand held piece in a fraction of a second and immediately actuate dust extraction The connected stop valve accessory automatically enables the extraction line immediately Any commercially available hand held pieces can be used for this purpose The D LE 280 extraction unit is also used as an extractor for sand blasting instruments saws and other dust generating devices electronic detection functioning here in the same manner The dust is collected in a double ply disposable filter bag with a capacity of up to 10 kg depending on the nature of the dust The ultra fine filter has a large surface area and is serially connected to the disposable filter bag It can even collect category C dust 1 1 Sicherheitstechnisches Informations und Arbeitsblatt der Berufsgenossenschaft Nr 510210 German Employers Liability Insurance Association safety information sheet D LE 280 18 09 03 Vers 1 5 15 14 13 121110 Illus 2 View of installation unit from front right Illus 3 Free standing extraction unit with special plate Plate 4x M6 nuts Electrical cabinet cover Quick action closure Vacuum fitting 50 mm Closure cover for filter bag Exhaust air fitting 75 mm Clamp closure Mains connection socket 230V 50Hz Wire basket Ultra fine filter cover Filter bag Counteracting hook for quick action 3x socket for dust generating devices closure Ultra fine filter 3x socket f
19. valve 3x socket for automatic stop valves D LE 280 18 09 03 Vers 1 1 Designation for unit socket and stop valve socket no 1 Designation for unit socket and stop valve socket no 2 3 Designation for unit socket and stop valve socket no 3 Activate the main switch 20 control lamp 21 illuminates green 5 Autom autom push button 22 illuminates green Electronic designation for an active consumer is activated Adapt extraction unit sensitivity to suit dust generating devices see section 4 2 1 Individual adaptation of extraction unit sensitivity to dust generating devices actuated illuminates green 2021 2223 24 25 Hand manual Autom autom Hauptschalter main switch Illus 7 Plate with control elements Main switch The extraction unit begins continuous operation after the Hand manual push button 23 is 26d 26c 26b 26a 2728 D LE 280 Harnisch Rieth KD Air volume display for one workplace Main switch control lamp green Air volume display for two workplaces Autom autom automatic mode button Air volume display for three workplaces Hand manual continuous mode button Max achievable air volume display Push button for reducing air volume Filter change control lamp Push button for increasing air volume Service control lamp 10 D LE 28
20. vices The power input of devices to be connected should not exceed 900 Watt per socket A Li 2 3 The overall power input value of all connected devices should in total not exceed 2200 W Connect the dust generating devices to sockets A Li 2 3 Connect the automatic stop valves accordingly to sockets B i 2 3 The Autom autom button illuminates green after the unit is switched on main switch 20 ON see Illus 7 Page 10 Please contact our H R Customer Service Dept tel 7181 9678 0 if devices other than those which we have intended are to be connected Please note Section 3 2 1 Individual adaptation of extraction unit sensitivity to dust generating devices prior to this The extraction unit starts automatically as soon as a connected dust generating device is activated The unit stops after a delay of approx 8 seconds if all connected devices are deactivated It is possible to adapt the unit individually if it does not react to a particular dust generating device Please contact the H R Customer Service Dept in this respect D LE 280 18 09 03 Vers 1 11 3 2 1 Note Individual adaptation of extraction unit sensitivity to dust generating devices see Illus 8 Page 12 All dust generating devices should be connected to the extraction unit and any other devices switched to stand by mode see Section 2 4 2 Structure of electrical installation in this respect
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