Installation
5
Installation
Users' qualifications: trained qualified
n
personnel or electrician, see
Ä Chapter 1.2 'Users' qualifications '
on page 11
CAUTION!
Incorrect metering
Possible consequence: Slight or
minor injuries, material damage
–
Do not switch off the measuring
system during intermittent opera‐
tion
–
Switch on the metering
equipment with a time delay
if necessary
–
The water to be measured must
always contain a sufficient quan‐
tity of the appropriate metering
medium
–
Otherwise you will have to
reckon with longer run-in
times
22
WARNING!
Connection to external devices
Possible consequence: Fatal or very
serious injuries
–
The measuring device/control
device connected must be gal‐
vanically isolated from the
sensor!
–
Do not allow the supply voltage to
fall below 16 V DC, even for short
periods of time
–
The power source must be
able to work with a minimum
of 35 mA at a minimum of 16
V DC
–
Too low a supply voltage
may result in an incorrect
reading
The interface requirements are automati‐
cally met when connecting to ProMinent
control devices.