Harnisch+Rieth D-LE 255 S Page 22 Operating Instructions Manual Download

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Maschinenbau

Werkzeuge

Laborgeräte

Fit the ultra-fine filter cover (5) and tighten firmly with knurled-head screws (6).

Check the filter system, see section "3.1".

Fig. 18 Replacing the fine filter

The vacuum motor (23) should be replaced if the "Service" control lamp (38) illuminates.

The replacement or inspection of the vacuum motor should only be performed by a qualified electri-
cian.

Note

Please observe the "Troubleshooting Checklist" for the extraction system D-LE 255 S/D on
any maintenance and service work.

7 Electrical fusing

The entire unit is protected by two fine fuses (main fuse) 16 A/T. Both fuses are held in the fuse com-
partment (19) of the connector plug housing (13).

Summary of Contents for D-LE 255 S

Page 1: ...rating instructions Designation of the machine Single Double workplace extraction unit Machine type D LE 255 S D Machine no Keep for future reference Home address Harnisch Rieth GmbH Co KG K ferstr 14...

Page 2: ...ectrical installation 9 3 Operation 10 3 1 Checking the filter system 10 3 2 Variants of the dust generating device automatic detection 10 3 3 Automatic On Off Connection of dust generating devices 11...

Page 3: ...the unit and disconnect from mains power supply before carrying out maintenance and cleaning work pull out the mains plug Particular attention should be paid to ensuring that the filter bag and ultra...

Page 4: ...ction unit dimensions Designation of the machine Single double workplace extraction unit Machine type D LE 255 S D Unit dimensions Width 420 mm with power cord strain relief Depth 390 mm with extracti...

Page 5: ...when the respective dust generating device is activated enabling free airflow at the specified vacuum duct The automatic ignition electronics detect a rotating hand held piece in a fraction of a secon...

Page 6: ...2 31 28 26 27 11 15 16 10 17 25 24 23 22 20 12 21 29 33 3 Unit cross section viewed from the left 1 Housing 2 Cover 3 2x Quick action closure 4 Panel 5 Mounting cover 6 2x knurled head screws 7 Socket...

Page 7: ...2 4 Starting up procedure Check the filter system see Section 3 1 Checking the filter system 2 4 1 Pneumatic structure of tube hose installation See Fig 4 page 7 1 Establish a hose tube connection to...

Page 8: ...ances 1a 90 angle piece 50 7a Y piece connection fitting 50 2a Angle connection fitting 50 9a Reducer 50 45 40 3a PVC hose fitting 50 10a PVC hose fitting 50 45 40 4a Hose Tube 50 11a Hose Tube 50 45...

Page 9: ...onnector sleeve with bayonet lock 13 Mains socket 230V 50Hz 40 Solenoid valve 19 Main fuses 2x 16 A T 41 Pneumatic connection 16 Connection fittings 50 mm Fig 3 Page 5 47 Pressure reducing valve 37 Au...

Page 10: ...e filter 31 and filter bag 11 1 Open the 2x quick action closures 3 and remove cover 2 2 Ensure that the ultra fine filter 31 is not damaged and is pressed tightly against the retaining strips 29 on t...

Page 11: ...Please contact our H R Customer Service Dept tel 7181 9678 0 if devices other than those we have intended are to be connected The extraction unit starts automatically as soon as a connected dust gener...

Page 12: ...tion power for 10 seconds In that period we total vacuum in the ultra fine filter chamber is measured and displayed If the total vacuum in the ultra fine filter chambers exceeds the allowable value se...

Page 13: ...e open Note Any unnecessary channels can be disabled via the user menu s L Manual Auto s L 0 3 s 0 m 2 1 MF 10 60 Air 2 D LE 255 S 15 20 35 37 38 39 40 22 23 46 42 41 44 43 45 36 23a 41a Fig 8 Panel i...

Page 14: ...seconds The total airflow volume setpoint in all detection points extraction funnels is calculated as the product of the set airflow volume l s control variant and air speed m s control variant by th...

Page 15: ...case the extraction channel 2 is disabled immediately and shown in black on the display after 10 seconds Beep sounds and display shows this message In sufficient air vol ume for additional channel The...

Page 16: ...User menu original illustration 5 1 Changing the user menu settings MF 45 42 46 44 43 Fig 11 User menu operation keys Use the keys m 45 and l 44 to position the cursor on the setting you wish to chan...

Page 17: ...cted dust generating device is detected and the extraction unit is opera tional Simultaneously the stop valve enables the air flow D 3 Airflow volume in all tubes or hoses to tal l s Displays the tota...

Page 18: ...low in the extraction tube The arrow indicates that the connected dust generating device is detected and the extraction unit is opera tional Simultaneously the stop valve has enabled the airflow D 6 U...

Page 19: ...Maschinenbau Werkzeuge Laborger te 2 D LE 255 S D 18 07 14 Vers 1 set in the user menu...

Page 20: ...disposable filter bag should never be emptied and reused as apart from health considera tions this will lead to malfunctions Caution Compressed air should not be used to remove any dust present in the...

Page 21: ...replaced after approx ten filter bag 11 changes We will gladly clean the ultra fine filter 31 as part of an replacement using only filters of dust grade M tested in accordance with DIN EN 335 2 69 1...

Page 22: ...e Service control lamp 38 illuminates The replacement or inspection of the vacuum motor should only be performed by a qualified electri cian Note Please observe the Troubleshooting Checklist for the e...

Page 23: ...and switch on the extraction unit via the main switch 34 6 Show additional parameter values on the display Press the l 44 button 7 Hide additional parameter values on the display Switch on off extract...

Page 24: ...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 ne...

Page 25: ...ing health endangering dusts with recirculation of clean air in working spaces from 01 2003 Technical documentation is available The operation instructions relating to the machine are also available H...

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