Qualification

Qualified personnel

Material

PosDesignationArticleNumber
01Current measurement board (ZSM-61)T285011

Required material

  • Torx screwdriver size 20

Procedure

ATTENTION!

Working with the unit requires knowledge of the safety instructions and quick guide. That's why:

Read the safety instructions and quick guide carefully before starting any work. The basic requirement for safe work is compliance with all safety instructions and careful action by qualified qualified personnel to prevent accidents involving personal injury and property damage.

Cool down and turn off the unit

  • On the basic screen, tap the function button ().
    → The unit cools down until the temperature is lower than the cooling temperature. The unit then switches off.

Remove covers and open the front

  • Remove covers from the unit (→ Open unit).
  • Open the front door and fold the front completely down by loosening the two Torx screws.
  • Remove the protective cover in the electrical housing by removing the Torx screws.

Replace ZSM-61 (A 8.1) current measurement board

  • Remove the X313.x connector and the X301.x cable lights on the current measurement board (A 8.1).
  • Remove the side mounting screws (1) from the heat sink.
  • Use the solid-state relay (2) to pull the heatsink downwards so that it can be lifted out.
    → Note the guide groove on the side of the heatsink.
  • Remove the remaining connectors on the current measurement board (A 8.1).
  • Remove the current measurement board A 8.1) mounting screw and remove it from its holder.
  • Install a new current measurement board (A 8.1) with a mounting screw.
  • Connect all connectors to the current measurement board (A 8.1), with the exception of the X313.x cable.
    → Make sure that all connectors are correctly attached.
  • Install the heatsink using the solid-state relay (2) and secure the mounting screws (1).
    → Note the orientation of the guide groove on the side of the heatsink.
  • Connect the X313.x connector to the current measurement board (A 8.1).

Close front

  • Install the protective cover around the electrical housing and secure with Torx screws.
  • Fold up the front and secure 2x Torx screws.

Switch on the unit and check the function

  • Connect the mains-connector and switch on the main switch (QS 1).
  • Switch on the unit using the I/O button (), check the tightness and function of the unit.

Switch off unit

  • Switch off the unit using the I/O button ().
    → The unit switches off and, if necessary, is cooled and depressurised.
  • Switch off the main switch (QS 1).