Danfoss Turbocor TT Series

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.
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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)
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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