Replacing The Power Module - Siemens SINAMICS G120 CU230P-2 HVAC Operating Instructions Manual

Service and maintenance

8.3 Replacing the Power Module

8.3 Replacing the Power Module
Procedure for replacing a Power Module
● Disconnect the Power Module from the line supply.
● If being used, switch off the 24 V supply of the Control Unit.
Risk of electrical shock!
Hazardous voltage is still present for up to 5 minutes after the power supply has been
switched off.
It is not permissible to carry out any installation work before this time has expired!
● Remove the connecting cables of the Power Module.
● Remove the Control Unit from the Power Module.
● Replace the old Power Module with the new Power Module.
● Snap the Control Unit onto the new Power Module.
● Connect up the new Power Module using the connecting cables.
● Switch on the line supply and, if being used, the 24 V supply for the Control Unit.
● If necessary, recommission the drive (also see Overview of replacing converter
284
DANGER
components (Page 281)).
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD