Danfoss TTS350 - 1.10 DC Bus Test Harness Installation and Removal

Figure 1-9 Mains Plate and Ground Post
3. IfyouneedtoremovetheSoftStart,cliptheESDstrapgroundcliptothemainsplate.RefertoFigure
1-9MainsPlateandGroundPost.
4. IfyouonlyneedtoremovetheServiceSideCover,cliptheESDstrapgroundcliptothecoverscrew
holethatispartofthecompressorhousing.RefertoFigure1-10CompressorGroundingPointson
page25.
5. Installthetopcovers.RefertoSection4.1CompressorCoversonpage52.
Figure 1-10 Compressor Grounding Points
1.10 DC Bus Test Harness Installation and Removal
ADCbustestharnessmustbeusedwhentestingthevoltagesofthecompressor’spowerelectronics.TheDCbus
testharnessisnotdesignedtobeleftinthecompressorduringnormaloperation.Whenchecksarecomplete,
disconnectandremovethetestharness.Therearetwo(2)differentSoftStartversionsreferencedwithinthese
instructions.ThestepsbelowareorganizedbasedonwhichSoftStartisinstalledonthecompressor.Toidentifythe
installedSoftStart,refertoSection4.14SoftStartonpage113.
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