For the pump cleaning function with Creep speed, no further installations are required. You will
find further information in the circuit example Pump cleaning function with creep speed
(Page 318) and on the Internet under the FAQs (
support.industry.siemens.com/cs/ww/en/view/109761112
Pump cleaning function with reversing switching element (Pump Cleaning "intense")
This type of cleaning is capable of removing larger deposits of dirt on the impeller. For this
purpose, another reversing contactor assembly is connected upstream of the 3RW55 or 3RW55
Failsafe soft starter in order to start the motor at full speed and with 100% torque in the opposite
direction.
For the pump cleaning function with reversing switching element, further installations are
required. You will find further information in the circuit example Pump cleaning function with
reversing contactor (Page 320) and on the Internet under the FAQs (
support.industry.siemens.com/cs/ww/en/view/109761112
Functions
8.8 Condition Monitoring
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
184
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006