
Automatic Backflush Filter F450
State:
05.02.2016
– 1.3
Georg Schünemann GmbH, Bremen
1-6
1.3.4
Electrical system
Any work in connection with the electrical equipment of the automatic backflush
filter F450 must be carried out by a skilled electrician! Circuit diagrams are to be
used as a basis for these jobs.
At all electric operations on the automatic backflush filter and before opening
the control unit, the power supply for the filter is to be switched off or discon-
nected!
Danger of Hazardous Voltage
!
Mark the main switch by a warning „ Do not Operate - Electricians at Work “and
safeguard the main switch against unintentional reenergizing!
Mark dis
connected current feeds by a warning „Do not Operate - Electricians at
Work“ and ensure, that unauthorized persons can not enter the work area!
Check the electrical equipment of the automatic backflush filter F450 regularly.
Repair slack connections as well as damaged cables immediately!
Never separate connectors or plug together under load! Burn hazard!
Protect connections permanently against humidity.
Keep the control unit permanently closed. Thus the protection from humidity and
contamination is guaranteed.
1.3.5
Compressed air system
Check regularly the air supply lines and the air pressure connections of the air
supply unit for correct attachment and leakages.
Replace damaged or strongly worn components of the compressed air unit im-
mediately.
All work on the compressed air unit of the automatic backflush filter F450 is to be
carried out in the operating stop only. For this the compressed air unit is to be set
out of operation and into pressure-free condition. The compressed air unit is
safeguarded aga
inst unintentional repressuring and marked by a sign „Work on
compressed air unit“. Additionally also the electrical system is to be set out of op-
eration and safeguarded against resetting.