The Lenze AC Tech SMVector Variable Speed Compressor Drive contains thedrives operational memory. Parameter settings are stored in the EPM and settingchanges are made to the User settings in the EPM.
An optional Lenze AC Tech SMVector Variable Speed Compressor Drive (EPM) Programmer(model EEPM1RA) is available that allows: An EPM to be copied directly toanother EPM. An EPM to be copied to the memory of the EPM Programmer. Stored files can be modified in the EPM Programmer. Stored files can becopied to another EPM. EPM Module in SMV Drive as the EPM Programmer is batteryoperated, parameter settings can be copied to an EPM and inserted into a drivewithout power being applied to the drive.
This means that the drive will befully operational with the new settings on the next application of power.Additionally, when the drives parameter settings are burned into an EPM withthe EPM Programmer, the settings are saved in two distinct locations; the Usersettings and the OEM default settings.
While the User settings can bemodified in the drive, the OEM settings cannot. Thus, the drive can be resetnot only to the factory drive default settings (shown in this manual), butcan be set to the Original Machine settings as programmed by the OEM.
The userarea contents of the EPM are what are copied into the OEM space by the EPMprogrammer. When parameter modifications are made to the drive and then a copymade via the EPM Programmer, these are the settings that will be available bythe OEM selections.
The Lenze AC Tech SMVector Variable Speed Compressor Drive (EPM) Programmer is the only way to load theOEM area of the EPM. While the EPM can be removed for copying or to use inanother drive, it must be installed for the drive to operate (a missing EPMwill trigger an F_F1 fault)