Go to content

EvoControl Ventilation - Counterflow

Models: Models coming soon

7.1.5 Button lock

500 - 508, 520 - 521 Button lock

  • Parameter 500 - 508 concerns buttons in Menu 1.
  • Parameter 520 - 521 concerns buttons in Menu 2.

Buttons can be locked via parameters. When locked, the button turns grey and a padlock symbol lights up and the button has no function.

If parameter 520 (Timer) is locked, settings can be displayed but not changed.

If parameter 521 (Alarm) is locked, the alarms are displayed but not acknowledged and cleared.

Subject to typographical errors, translation errors and AI-generated linguistic discrepancies. In case of discrepancies between language versions, the original Swedish version applies.
© 2026 Acetec AB. All rights reserved.
Search for documents
We recommend searching by item number to quickly find the correct document page.
Generic filters