Bauer MSXH, Operating Manual, Page: 25 / 52

Operating Manual for BAUER Submersible Motor Mixer / Version l-2013 25
6.3 INTERVAL OPERATION AND LEVEL CONTROL for EXPLOSIVE
ENVIRONMENT
Examinated according to Certificate TÜV 03 ATEX 2098 X
ATTENTION:
Electrical equipment which is to be used in potentially explosive atmosphere must imperatively
be designed, executed and its installation carried through by approved and licensed firms.
Attention :
Be sure to mount the control unit always outside the potentially explosive atmosphere.
6.3.1 Control Box Components
Three contactors for star-delta start-up. Control unit LOGO for interval operation.
Motor protection devices:

Motor protective relay for current monitoring

Thermistor tripping relay for temperature monitoring
Gear box protection devices

Leak detector for detecting leakages in planetary gear drive
Safety devices for explosive environment

Electronic monitoring equipment for level control
Interval operation

Siemens LOGO 230RC
Safe distance at least 5 cm for components
used in potentially explosive atmosphere
Running mode switch
Reset key
Alarm probes
Leakage alarm probe
Motor malfunction