Connection of signal transmitters and pumps within potentially explosive atmospheres

DANGER

danger

Risk of explosion due to incorrect connection!

If the connected pump and signal transmitter is installed in an explosive atmosphere (Ex zone), there is a risk of explosion due to incorrect connection:

  1. Do not connect electrode in an explosive atmosphere (Ex zone)!
  2. Connect the float switch using an Ex cut-off relay!
  3. Connect level sensor via a Zener barrier!
  4. Switch on ex-mode (menu 5.64)!
  5. Observe the section on explosive atmospheres in the appendix.
  6. Connection must be carried out by a qualified electrician.