KERN KFA V20 Series Installation Instructions Manual

Weighing beams
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Installation Instructions
Weighing beams
KERN KFA V20
Version 1.3
11/2015
GB
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: info@kern-sohn.com
Phone: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
KFA V20-IA-e-1513

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Summary of Contents for KERN KFA V20 Series

  • Page 1 KERN & Sohn GmbH Ziegelei 1 Phone: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-Mail: info@kern-sohn.com Internet: www.kern-sohn.com Installation Instructions Weighing beams KERN KFA V20 Version 1.3 11/2015 KFA V20-IA-e-1513...
  • Page 2: Table Of Contents

    KERN KFA V20 Version 1.3 11/2015 Installation Instructions Weighing beams Contents Technical data ....................3 Appliance overview ..................4 Basic Information (General) ................5 Documentation ........................... 5 Proper use ..........................5 Improper Use ..........................5 Warranty ............................. 5 Monitoring of Test Resources ..................... 6 Basic Safety Precautions ................
  • Page 3: Technical Data

    1 Technical data Weighing Read- Preload Cable length Connecting Net weight Model range ability additive display cable approx. screen weighing approx. beams approx. KFA 1500V20 1500 KFA 3000V20 3000 3000 3000V20L KFA 6000V20 6000 1000 6000 1000 6000V20L Dimensions: see chapter 10 KFA V20-IA-e-1513...
  • Page 4: Appliance Overview

    2 Appliance overview Illustrative example weighing system KERN KFA V20 + KFB-TM  Mains lead display screen  Connecting cable weighing beams  Handle for easy transport  Weighing cell feet and weighing cells  Cover adjusting screw for weighing cell feet...
  • Page 5: Basic Information (General)

    The weighing beams may only be used according to the described conditions. Other areas of use must be released by KERN in writing. 3.4 Warranty Warranty claims shall be voided in case •...
  • Page 6: Monitoring Of Test Resources

    In KERN's accredited DKD calibration laboratory test weights and weighing systems may be calibrated (return to the national standard) fast and at moderate cost.
  • Page 7: Unpacking, Setup And Commissioning

    6 Unpacking, Setup and Commissioning 6.1 Installation Site, Location of Use The weighing beams are designed in a way that reliable weighing results are achieved in common conditions of use. To enable exact and fast work, select the right site. On the installation site observe the following: •...
  • Page 8: Unpacking And Placing

    6.2 Unpacking and placing Unpacking: Remove weighing beams and accessories carefully from packaging, remove packaging material and place device at the planned work place. Verify that there has been no damage and that all packing items are present. Scope of delivery: •...
  • Page 9: Connecting A Display Screen

    6.3 Connecting a display screen Attention Put the connecting cable to the display unit in a manner that it is protected against damage. Description of the connection cable: terminal Color State EXC+ [IN+] voltage + SIG + [OUT+] green signal + SIG -[OUT-] white signal -...
  • Page 10: Load/Unload Weighing Beams

    7.1 Load/unload weighing beams • The weighing beams are designed for an evenly spread load • Avoid falling load, shock loads and impacts from the side. • Weighing beams must not be moved when loaded.  Place the load onto both weighing beams by using a pallet truck, crane or fork lift. Ensure that the load is not swinging when it is placed onto the weighing beams.
  • Page 11: Service, Maintenance, Disposal

    8.3 Service, maintenance  The appliance may only be opened by trained service technicians who are authorized by KERN.  Ensure that the weighing system is regularly calibrated, see chap. 3.5 Testing instruments control.
  • Page 12: Instant Help

    8.5 Instant help In case of an error in the program process, briefly turn off the weighing system and disconnect from power supply. The weighing process must then be restarted from the beginning. Help: Fault Possible cause • Draught/air movement The displayed weight is permanently changing •...
  • Page 13: Service Documentation

    9 Service documentation • This chapter is only intended for a balance specialist! • The weighing beams are fitted with a DMS weigh cell at each corner. • The analogue-digital transformation occurs in the display unit. Also all the balance and country-specific data are stored there. Overview, setting regulation, tolerances Testing and setting regulations: Capacity...
  • Page 14: Check And Adjustment Of The Corner Load

    9.2 Check and adjustment of the corner load Check of the corner load: • Place a suitable aid such as a pallet on both weighing beams. Make sure that the aid is designed to bear the weight of the test weight. •...
  • Page 15: Dimensions

    10 Dimensions KFA V20-IA-e-1513...
  • Page 16 KFA V20-IA-e-1513...
  • Page 17 KFA V20-IA-e-1513...
  • Page 18 KFA V20-IA-e-1513...
  • Page 19: Deadload Settings

    11 Deadload settings Kern model Deadload** (kg) Center Overload Corner Overload Loadcell Protection circa (kg) Protection circa (kg) Capacity (kg) **= already applied preload KFA 1500V20 1000kg KFA 3000V20 1500kg KFA 3000V20L 1500kg KFA 6000V20 3000kg KFA 6000V20L 3000kg Platform...

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