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NOTE

Thiswouldbeagoodtimetoperformavisualinspectionofthetop-sideelectronicstodetermineifthereisanyvisualdamagepresent.

Alsoatthistime,itissuggestedtoverifytheintegrityofthefusesifyouhaveaClosed-TopSoftStart.



4. ConfirmtheintegrityofthefusesandresistorsintheDCbustestharnessbyusingamultimetersetto

resistance.Checkeachcableindividually.RefertoFigure1-11DCBusTestHarnessDiagram(Closed-

TopSoftStart)onpage26andFigure1-12DCBusTestHarnessDiagram(Open-TopSoftStart)onpage

26forharnessfuseandresistorlocations.Thereadingfortheresistorshouldbeapproximately100kΩ

andthereadingforthefuseshouldbe29Ω.

5. ContinuetotheappropriatesectionbelowbasedontheparticularSoftStart.

1.10.2 DC Bus Test Harness Installation for Closed-Top Soft Start

1. DisconnecttheJ1andJ7connectorsontheSoftStartBoard.RefertoFigure1-13SoftStart(Closed

Top).

Figure 1-13 Soft Start (Closed Top)



2. Connectthetwo(2)plugsofthecompressorcableharnessintothecorrespondingsocketsoftheDC

bustestharness.RefertoFigure1-14ConnectDCBusTestHarness(Closed-TopSoftStart)forthisand

thefollowingstep.

Figure 1-14 Connect DC Bus Test Harness (Closed-Top Soft Start)

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M-SV-001-EN Rev. H-1/23/2023 Page 27 of 294

Danfoss TTS350 User Manual

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