Danfoss Turbocor TT Series

Figure 4-249 BMCC Removal
4.27.4.2 BMCC Installation
• • • CAUTION • • •
WheninstallinganewBMCCormovingonefromadifferentcompressor,abearingcalibrationmustbeperformedandsavedtoelectrically
erasableprogrammableread-onlymemory(EEPROM).TheBMCCwillthenusethenewvaluesstoredinEEPROMtooperatethe
compressor.UsingdefaultcalibrationdatafromanewlyinstalledBMCCtooperateacompressorcouldcauseunexpectedbehavior.
Additionally,newcompressorsandBMCCsbydefault,aresettothelowestamperagelimitsandmustbeconfiguredtomeetthesystem
requirements.

1. Alignthetwo(2)lowerinsertionguidesoftheBMCCsothattheyareontheinsideofthetwo(2)upper
insertionguidesontheBearingPWMAmplifier.RefertoFigure4-250BMCCInsertionGuides.
Figure 4-250 BMCC Insertion Guides


2. SlidetheBMCCstraightintotheconnectoruntilfirmlyseatedintheBackplaneconnector.
3. InstalltheSerialDriver.RefertoSection4.26.4SerialDriverRemovalandInstallationonpage218.
4. InstallServiceSideCover.RefertoSection4.1.3ServiceSideCoveronpage54.
5. Returnthecompressortonormaloperation.
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