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KNF N 813.3 AN.29DC-B, Translation Of Original Operating And Installation Instructions

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KNF N 813.3 AN.29DC-B Translation Of Original Operating And Installation Instructions Download Page 23

Diaphragm Vacuum Pumps N 813 

 

Operation 

Translation of original Operating and Installation Instructions, english, KNF 121240-121506 09/19 

23 

 

For pumps with brushless DC motor: 
The pumps may start against pressure or vacuum. This is also 
allowed if you experience a brief power interruption. 

 

➔

  Restore the system to normal atmospheric pressure (release 

pneumatic pressure in pump). 

 

Switching off the 

pump/removing from operation 

Summary of Contents for N 813.3 AN.29DC-B

Page 1: ...ing and Installation Instructions N 813 3 ANDC B N 813 3 AN 29DC B N 813 4 ANDC B N 813 4 AN 29DC B Contents Page 1 About this document 2 2 Use 3 3 Safety 4 4 Technical data 6 5 Assembly and function...

Page 2: ...nger It also indicates the possible consequences of failure to observe the warning The signal word i e Warn ing indicates the level of danger Here you will see actions for avoiding the danger and pote...

Page 3: ...er free in the specific application case Before using a medium check the compatibility of the materials of the pump head diaphragm and valves with the medium Only transfer gases which remain stable un...

Page 4: ...gula tions for handling such media Be aware that the pumps are not designed to be explosion proof Make sure that the temperature of the medium is always sufficient ly below its ignition temperature to...

Page 5: ...uipment for disconnecting and switching off the partly completed machinery respectively have to be considered when mounting as well as over current and overload protective gear In addition a protectio...

Page 6: ...0 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of installation m above sea level 2000 Electrical data Voltage Frequencies See type label Max operating current Pump po...

Page 7: ...ratures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of installation m above sea level 2000 Electrical data Voltage Frequencies See type label Max operating current Pump power consump...

Page 8: ...atures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of installation m above sea level 2000 Electrical data Voltage Frequencies See type label Max operating current Pump power consumpt...

Page 9: ...ters Weight kg 2 3 Dimensions L x H x W mm 145 x 106 5 x 142 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of installa...

Page 10: ...EPDM Tab 6 part 2 The pump is protected against overheating by a temperature sensor on the motor board and equipped with overcurrent protection If one of these safety functions is triggered or if the...

Page 11: ...ameters Weight kg 3 8 Dimensions L x H x W mm 230 x 106 5 x 144 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of insta...

Page 12: ...M Tab 7 part 2 The pump is protected against overheating by a temperature sensor on the motor board and equipped with overcurrent protection If one of these safety functions is triggered or if the max...

Page 13: ...nglish KNF 121240 121506 09 19 13 5 Assembly and function Assembly of N 813 3 ANE 1 Inlet suction side 2 Outlet pressure side 3 Pneumatic connection 4 Motor Fig 1 Assembly of N 813 3 ANE Assembly of N...

Page 14: ...121240 121506 09 19 Assembly of N 813 5 ANE 1 Inlet suction side 2 Outlet pressure side 3 Pneumatic connection 4 Motor Fig 3 Assembly of N 813 5 ANE Assembly of N 813 3 ANDC B und N 813 3 AN 29DC B 1...

Page 15: ...Outlet valve 2 Inlet valve 3 Working chamber 4 Diaphragm 5 Eccentric 6 Connecting rod 7 Pump drive Fig 6 Pump head Diaphragm pumps transfer compress depending on pump ver sion and evacuate gases and...

Page 16: ...e pump Choose a safe location flat surface for the pump Before installation store the pump at the installation location to bring it up to ambient temperature Refer to Fig 7 N 813 3 ANE Fig 8 N 813 4 A...

Page 17: ...glish KNF 121240 121506 09 19 17 Fig 9 Attachment dimensions of N 813 5 ANE dimensional tolerances according to DIN ISO 2768 1 tolerance class V Fig 10 Attachment dimensions of N 813 3 ANDC B and N 81...

Page 18: ...an draw in an adequate amount of cooling air For pumps with fan Install the pump so as accidental finger con tact is with the fan is impossible Make sure that the installation location is dry and the...

Page 19: ...see type plate It is recommended that an additional Emergency Stop switch is installed The pump must be installed so that contact with live parts electrical connection is impossible Pumps with AC moto...

Page 20: ...usgang Fehlermeldung Error signal output UERROR 0 DC 0 6V UERROR 1 DC 4 5V U0 DC 5 blau blue Masse Ground UON DC 0 9V UOFF DC 4 2V U0 DC 6 gr n green Eingang Remote EIN AUS Input Remote ON OFF 7 gelb...

Page 21: ...m pump safely divert the pump s discharge from its pneumatic outlet See markings on the pump head for the direction of flow 1 Remove protective plugs from the hose connection threads 2 If the accessor...

Page 22: ...e fault see Chapter 9 Troubleshooting Only throttle or regulate the air or gas in the suction line to prevent the maximum permissible operating pressure from being exceeded If the air or gas quantity...

Page 23: ...sh KNF 121240 121506 09 19 23 For pumps with brushless DC motor The pumps may start against pressure or vacuum This is also allowed if you experience a brief power interruption Restore the system to n...

Page 24: ...nmax Speed is specified via the control voltage 7 2 1 1 Speed input 29 versions The speed range of nmin nmax is shown scaled to the control voltage Uc Ucmin 0 1V Ucmax 5 0V If the control voltage is l...

Page 25: ...g 12 The motor controller generates speed synchronized pulse width modulation see Fig 15 Fig 15 Analog speed output standard Optional speed output The motor controller generates a speed synchronized r...

Page 26: ...Connection communication plug see Fig 12 top PIN 1 do not connect PIN 2 do not connect PIN 3 GND PIN 4 5V max 50 mA PIN 5 TX MBLC PIN 6 RX MBLC Motor connection options external control unit Fig 17 E...

Page 27: ...When transmitting the commands must be followed by ASCII character CR carriage return decimal value 013 The underlined expressions are not characters but symbols as explained in table 16 Parameter Co...

Page 28: ...or speed Value min 1 nl Minimum nominal motor speed Value min 1 nh Maximum nominal motor speed Value min 1 ii operating current of the motor Value mA ti temperature of the motor controller Value C ei...

Page 29: ...sh it with air or with inert gas if required for safety reasons under atmospheric conditions ambient pressure for about five minutes 8 2 2 Cleaning the pump Pump disconnected from mains and de energiz...

Page 30: ...hililips screwdriver No 1 1 Felt tip pen 1 Tab 13 Diaphragm valve plates and sealing rings are the only parts of the pump subject to wear They are simple to change Always change diaphragm valve plates...

Page 31: ...the cover plate or cover plates and the head connections all operations are to be carried out separately for each head This prevents the parts getting mixed up the ribbed plates are not identical The...

Page 32: ...s 15 with a 17 mm open ended spanner and remove them b Removing cover plate 1 Undo the 4 screws and remove the cover plate 5 from hous ing 1 N 813 3 AN__ 1 cover plate N 813 4 AN__ and N 813 5 ANE eac...

Page 33: ...as are upper and lower sides of the plates 5 Check that the valve plates are not deformed by moving them gently sideways in their recesses 6 Lay the sealing rings on the intermediate plate f Refittin...

Page 34: ...emove the cause of the overcurrent for example improper pressure liquid in the pump heads The pump must be separated from the mains for several seconds before the electronics will permit restarting Fo...

Page 35: ...ection of pneumatic hoses or connectors too narrow or restricted Disconnect the pump from the system and determine output values Remove restriction e g valve if necessary If applicable use larger diam...

Page 36: ...rogrammed so that the error output voltage exhibits the same characteristics as the LED With factory settings only 1 or 0 are logically outputted as voltage at the fault output Fig 22 LED blinking dur...

Page 37: ...on 5 027394 Tab 16 according Fig 18 to 21 10 2 Accessories General accessories Tab 17 General for pumps with brushless DC motor Tab 18 Description Order No Silencer G 1 8 000346 Hose connector G 1 8 0...

Page 38: ...Prerequisite for repairing a pump by KNF is a completed Decon tamination Form This is made available on the KNF website as a download To find the form select your country on the overview page www knf...

Page 39: ......

Page 40: ...KNF worldwide Find your local KNF partner on www knf com...

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