5.4.1.4
Sensors
DANGER
Operating an incompletely connected submersible mixer
Explosion hazard!
▷
Never start up a submersible mixer with incompletely connected power cables
or non-operational monitoring devices.
The submersible mixer is equipped with sensors designed to prevent hazards and
damage to the mixer.
NOTE
Reliable and safe operation of the submersible mixer within the scope of our
warranty is only possible if the sensor signals are properly analyzed as stipulated in
this operating manual.
All sensors are located inside the submersible mixer and are connected to the power
cable.
For information on wiring and core identification please refer to the wiring
diagrams. (
⇨
Section 9.3 Page 49)
The individual sensors and the limit values to be set are described in the following
sections.
5.4.1.5
Motor temperature
DANGER
Insufficient cooling
Explosion hazard!
▷
Never operate an explosion-proof submersible mixer without operational
temperature monitoring equipment.
▷
For explosion-proof submersible mixers use a thermistor tripping unit with
manual reset.
CAUTION
Insufficient cooling
Damage to the submersible mixer!
▷
Never operate a submersible mixer without operational temperature
monitoring equipment.
The motor is monitored by three series-connected PTC thermistors with terminals 10
and 11. Tripping must result in the submersible mixer cutting out. Automatic re-start
is not permitted.
5 Installation at Site
Amamix
19 of 54
