ABS AFP 0831S Installation And Operating Instructions Manual - page 7
InstallationandOperatingInstructions
ABS submersible sewage pump AFP 0831S and 0841S
.3.2
Checkingdirectionofrotation
m
The safety hints in the previous sections must be observed!
When three phase units are being commissioned for the first time and also when used on a new site, the
direction of rotation must be carefully checked by a qualified person.
m
When checking the direction of rotation, the unit should be secured in such a manner that no danger
to personnel is caused by the rotating impeller, or by the resulting air flow. Do not place your hand into
the hydraulic system!
c
The direction of rotation should only be altered by a qualified person.
m
When carrying out the direction of rotation check as well as when starting the unit pay attention to the
STARTREACTION. This can be very powerful
ATTENTION
The direction of rotation is correct
if the impeller/propeller rotates in
a clockwise manner when viewing
down from the top of the placed
unit
1020-00
ATTENTION
The start reaction is
anti clockwise
Rotor rotation
NOTE
Ifanumberofpumpsareconnectedtoasinglecontrolpaneltheneachunitmustbe
individuallychecked.
ATTENTION
Themainssupplytothecontrolpanelshouldhaveaclockwiserotation.Iftheleads
areconnectedinaccordancewiththecircuitdiagramandleaddesignations,the
directionofrotationwillbecorrect.
.3.3
Changingdirectionofrotation
m
The safety hints in the previous sections must be observed!
c
The direction of rotation should only be altered by a qualified person.
If the direction of rotation is incorrect then this is altered by changing over two phases of the power supply cable
in the control panel. The direction of rotation should then be rechecked
NOTE
Thedirectionofrotationmeasuringdevicemonitorsthedirectionofrotationofthe
mainssupplyorthatofanemergencygenerator