Safety instructions – must be observed every time the unit is opened!

• Switch off the unit via the control module in the BACnet or Modbus system or via the control panel.
• Disconnect the unit from the mains by switching off the main switch / service switch before opening the unit. Attach a warning sign to the main switch to prevent accidental switching on.
• Carry out the intended activity on the open unit.
• Reconnect the unit to the mains by switching on the main switch/service switch after you have closed the unit. Remove the warning sign against accidental switching on at the main switch.
• Switch on the unit via the control module in the BACnet or Modbus system or via the control panel.
• Never operate the unit without a filter.