Witt PLUS Instruction Manual

Portable control unit

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Instruction Manual for
the portable
control unit «PLUS»
Issue: 20.11.2024
This issue is not subject to change management
 Copyright WITT-GASETECHNIK GmbH & Co KG, 2024, all rights reserved

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Summary of Contents for Witt PLUS

  • Page 1 Instruction Manual for the portable control unit «PLUS» Issue: 20.11.2024 This issue is not subject to change management  Copyright WITT-GASETECHNIK GmbH & Co KG, 2024, all rights reserved...
  • Page 2: Table Of Contents

    Safety instructions and precautionary measures ............ 4 3.1 General safety instructions ......................4 3.2 Liability ............................4 Description of control unit «PLUS» ................5 Setting up and installation ..................6 5.1 Checking for transport damage ....................... 6 5.2 Place for setting up ......................... 6 5.3 Electrical installation ........................
  • Page 3: Notes On This Manual

    Page 3 of 24 Notes on this manual ® You have decided for the control unit «PLUS» for the leak test system LEAK-MASTER EASY from WITT-GASETECHNIK. With this manual, we would like to provide you with all the information necessary for safe, correct setting up and installation, commissioning, operation and checking of the control unit «PLUS».
  • Page 4: Safety Instructions And Precautionary Measures

    The liability for the function of the unit passes in all cases to the owner or operating organisation as far as the unit is operated by persons who do not belong to WITT Service, is incorrectly maintained or repaired, or if the unit is used in a manner that does not comply with the intended usage of the unit or is contrary to the applicable regulations.
  • Page 5: Description Of Control Unit "Plus

    The compounds for vacuum generation and setting of the LME will still be used. The control unit «PLUS» takes over the function of the ball valve (6) in the compressed air supply. In addition, the vacuum level need not be set by means of the operating pressure regulator (5). Instead of that the reached vacuum is measured by a pressure transmitter (PIT).
  • Page 6: Setting Up And Installation

    Note! Perform a visual inspection for external damage and damage to cables / tubes (nicks, dam- age to the insulation).  The control unit «PLUS» is supplied ready to use. It must be correctly transported. Place for setting up ...
  • Page 7: Installation Of The Hose Connections

    Insert the hose into the plug connection as far as possible. The arrestor will lock the hose automatically. ® Connect the control unit «PLUS» to a Leak-Master Easy  If a 12 mm hose is used for the compressed air supply of the LME to be connected, first install both adaptors as described in Section 5.4.1.
  • Page 8: Use Of Both Enclosed Adaptors (Hose 8 Mm  12 Mm)

     Connect one adaptor to the compressed air connection of the control unit «PLUS» by means of a short peace (approx. 5 cm) of 8 mm hose.  Connect the other adaptor to the compressed air connection of the LME by means of a short peace (approx.
  • Page 9: Operation

    Exit the keyboard entry with acceptance of the previously entered content. Exit the keyboard entry without acceptance of the previously entered content. Switching between the possible keyboard layouts : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com...
  • Page 10: User Selection

    Enter the password on the keyboard that opens and accept it with the «Enter ( )» key.  Confirm the password with the «Login» key. The measurement window is indicated (see Section 6.4). : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com...
  • Page 11: The Measurement Window

    After a long period without activity, the screen display is deactivated (sleep mode). The ON / OFF sensor will remain lit green to indicate that the unit is on. Touching the screen reactivates the display. : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com...
  • Page 12: Testing Products

    Easy (LME) and a compressed air supply (Section 5.4). At the connected LME the ball valve (6) must be open and the pressure regulator (5) must be tensed – the control unit «PLUS» will inherit their func- tionality. On testing products always also observe the manual of the LME.
  • Page 13: Measurement Result

    Afterwards the measurement window is indicated again and the next measurement can be started. : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com...
  • Page 14: Ventilate Chamber Manually

    If the operating pressure is high and the residual gas volume in the LME chamber is low, the vacuum may be built up faster than the control unit «PLUS» can react. The pressure reached in the chamber is then regularly lower than set at the control unit «PLUS».
  • Page 15: The Menu "Administration

    You can create another product by clicking the button «New product». Products can be saved to an inserted USB stick («Export») or read in from there («Import») – also see Sec. 6.7. This facilitates the identical configuration of several devices. : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com...
  • Page 16: Menu Item "User

    Sec. 6.7. This facilitates the identical configuration of several devices. 6.5.4 Menu item «Language»  Select the desired language from the drop-down list. : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com...
  • Page 17: Menu Item "Settings

    Caution! Take care that the time the connected chamber is under vacuum don´t exceeds 3 minutes. : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com...
  • Page 18: Menu Item "Network

    If a DHCP server is available in the network, only the «DHCP protocol» must be activated ( and a «host name» assigned for the device. The «host name» assigned ex factory is «witt-lme». If several units are to be integrated into the network, they must have different host names («your host name»). «IP address», «subnet mask»...
  • Page 19: View Measurements

    Other functions are:  Unlocking additional options (Sec. 6.5.8).  Performing software updates (Sec. 6.5.9). : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com Gas Safety- & Control Equipment...
  • Page 20: The Integrated Web Interface

    Updating the data read out from the device. Save the displayed data as “CSV”. The format is as described in Section 6.7. Save the displayed data as “PDF”. : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com...
  • Page 21: Switching The Device Off

    If the unit is not used for a longer period of time, it should be disconnected from the mains and the compressed air supply should be closed. : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com...
  • Page 22: Malfunctions And Rectification

    / or at the hose con- nate them message is displayed nections in the menu «Set- tings». : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com Gas Safety- & Control Equipment...
  • Page 23: Technical Data

    Standards applied (design rules): DIN EN 61000-6-2:2011-06 DIN EN 61000-6-3:2011-09 DIN EN 61439-1:2012-06 DIN EN 61439-2:2012-06 : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com Gas Safety- & Control Equipment...
  • Page 24: Parts List

    Pressure regulator for setting the operation pressure (P Operating pressure gauge (P Ball valve for manual opening / closing the compressed air : +49 (0)2302 89010 WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 www.wittgas.com D-58454 Witten Fax: +49 (0)2302 89013 witt@wittgas.com...

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