16
0698-651 Operating unit - 04/2021
en
8. Installation
8.1 Insert the batteries (only for operation without relay module /
power supply unit)
!
DANGER
When changing the batteries in explosion hazard areas danger of explosion occurs!
Blast wave: Flying parts can kill you.
► Change of battery only outside of hazardous location.
► Use only the delivered battery.
NOTICE
► After you have inserted the battery, the Lutz company logo is displayed. The operating unit now waits
untilabasicowmeterisconnected.Theoperatingdisplayappearsapprox.30secondsafterthebasic
owmeterisconnected.
Ifittakesmorethan30secondstoconnectthebasicowmeter,thedisplayswitchesitselfo.After
you have touched the user interface, the display switches itself on again. After approx. 30 seconds,
the operating display appears.
► Use the supplied Allen key SW3 for the screws.
► Only tighten the screws hand-tight.