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Installation and initial startup
Electrical connection
4.
NOTICE!
Vent the pipe line. If there
are air bubbles in the line
during the measurement
then this could result in
damage to the device
caused by hydraulic shock.
This could result in malfunc-
tions.
5.
NOTICE!
Make sure that the plant is
operating without cavitation.
Cavitation may result in mal-
functions and damage to the
device.
36
5.6 Electrical connec-
tion
The electrical connection of the flow
monitor is accomplished through the
connector plug or the cast on power
cable leading from the switch housing.
The switch contacts employed in these
devices are potential free and do not
require a power source. Switch con-
tacts and flow monitor have been opti-
mally harmonized. After replacement of
a switch contact, the switch point must
be readjusted.
DANGER!
Danger to life from electrical
current
There is an immediate risk to life
from electrocution on touching live
parts. Damage to the electrical
insulation or single components
can be extremely dangerous.
–
Only qualified electricians
shall work on the electrical
system
–
If the insulation is damaged
then immediately switch off
and have repairs carried out
–
Before commencing work on
live parts of electrical systems
and components, disconnect
the equipment and ensure that
it remains disconnected for the
duration of the work. Observe
these 5 safety rules when
doing so:
–
Isolate (disconnect)
23.02.2015
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Troubleshooting
