Danfoss TTS400

4.2.1 Cooling Adapter Removal and Installation
Cooling Adapter Removal
1. Isolatethecompressorandrecovertherefrigerantaccordingtoindustrystandards.RefertoSection3.1
RefrigerantContainmentonpage41.
2. HoldtheAdapterBodywitha15/16"linewrenchwhilelooseningtheConnectionNutwithanother
15/16"linewrench.
3. RemovethelineawayfromtheAdapterBody.
4. RemovetheAdapterBodywitha15/16"linewrench.
5. RemoveO-ringfromthecompressorhousingifitdoesnotcomeoutwiththeAdapterBody.
Cooling Adapter Installation
1. Verifythethreadsinthecompressorhousingarecleanandfreeofdebris(donotusecompressedgas
tocleanthethreadsasthismayblowthedebrisintothecompressor).
2. CleanandlubricatetheO-ring.Installontothecoolingadapterbody.
3. Insertthecoolingadapterbodyintothecompressorandfingertighten.
4. Torquethecoolingadapterbodytothecompressorhousingto25Nm(18ft.lb.).
5. Installthescreeninsidethecoolingadapter.
6. InstallthebrazesleeveandnutminustheO-ring.TightenthenutfingertightagainsttheCooling
Adapter.Thiswillallowforthemeasurementandfittingoftheliquidline.Oncethemeasuringand
fittingoftheliquidlinehasbeencompleted,unscrewthenutfromthecoolingadapterbodyand
completethebrazingoftheliquidlinetothebrazesleeve.
7. OncetheCoolingAdapterassemblyhascooled,installtheO-ringintotheCoolingAdapterandthe
fingertightenthenut.Torquethenutto11Nm(8ft.lb.).
8. Leaktestandevacuatecompressorinaccordancewithstandardindustrypractices.
NOTE
Amagnetmayneedtobeplacedonthemotorcoolingsolenoidsifevacuationcannotbeperformeddirectlytotheliquidline.
9. Returnthecompressortonormaloperation.
4.2.2 Cooling Adapter Torque Specifications
Table 4-7 Cooling Adapter Torque Specifications
Description Nm Ft.Lb. In.Lb.
AdapterBodyConnection 25 18 221
Nut 11 8 97
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M-SV-001-EN Rev. H-1/23/2023 Page 59 of 294