Krober O2 - Control Board

Kröber O2
Service work
27
3.4 Control board
Variant
Introduction
Change history
1
as of 2005
Initial design, 6-fold connection
strip
Long sensor
2
from 2007
with additional temperature
fuse. 8-fold connection strip
2 pressure sensors
3
from 2014
with optocoupler for USB
4/5
from 2018
with additional alarm LED and
modified LCD symbolism
with external loudspeaker
fuse changed from 2.5ATT to
3.15 AT
6
from 2019
with additional pin header for
connecting the SMC function
unit