2 Safety
2.1 Application
The ChemoClean Plus CYR 10 / CYR 20 is a
spray cleaning system for pH / redox
electrodes, oxygen and turbidity sensors. It is
used with the appropriate cleaning agents to
obtain optimal cleaning and sensor activation
results for various types of soiling, in particu-
lar:
•limestone deposits and encrustations
•clogging with mud, e.g. by hyodroxides or
strongly soiled wastewater
•formation of coating by oil, grease and
emulsions
•other deposited reaction products in
process engineering
2.2 Safety notes
This device has been built and tested in
accordance with EN 61010-1 and left the
manufacturer’s works in perfect condition.
However, if it is used improperly or other than
for its intended purpose, it may pose a
hazard, e.g. due to incorrect installation or the
wrong operating conditions.
Warning:
•If the device is used for any appli-
cation other than those described
in this manual, it may lead to un-
safe and improper functioning of
the measuring system and is there-
fore not permitted!
•Make sure you strictly adhere to
the warnings and notes in these
Operating Instructions.
2.3 Mounting, Start-up, Operation
Warning:
•Installation, electrical connection,
start-up, operation and
maintenance of the cleaning
system must be carried out
exclusively by trained specialists
authorised by the system operator.
•Technical personnel must be
familiar with the instructions in this
manual and must adhere to them.
•When the system is operated in
explosive atmospheres, it is
imperative to comply with the
regulations applicable (see
chapter 3.5.2).
•Before connecting the system
please verify that the value of
supply corresponds with the value
on the nameplate.
•Before switching on the system
check all the connections again
for correctness.
•Never start-up the CYR 20 without
protective earth.
•Do not operate damaged systems
which could pose a danger, and
mark them as defective.
•Measuring systems faults may
only be repaired by authorised
and trained personnel.
•If faults cannot be repaired, the
system must be taken out of
service and secured against
unintentional start-up.
•Repairs may only be carried out
by the manufacturer or by the
Endress+Hauser service organisa-
tion.
YR10E02.CHP
ChemoClean CYR 10 / CYR 20 Safety
Endress+Hauser 5
