Danfoss TTS700

6. CleantheO-ringfaceofthesleeveensuringnoscratchesordebrisarepresent.Applyalightamountof
O-ringlubetothefaceofthesleeveandassembletothefitting.Tightenthenutusingtwo(2)
wrenches;one(1)toholdbodyoffittingandone(1)totightenthenut.Thisisdonetopreventover
torqueingthefittinginthecompressorhousing.
Rigid 3/8 inch copper connection - TTS300/TGS230
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Iftheconnectionis3/8inchrigidcopper,alengthof1/2inchcoppermustbebrazedintothebraze
sleeveasdescribedabove.Atransitionfittingshouldbebrazedtoconnectthe3/8to1/2inch
tubes.FollowtheprocedureasnotedaboveinRigid1/2CopperConnectionsection.
Important
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Itshouldbenotedthattheinclusionofastrainerwithintheconnectionbodyisintendedasalast
resortbackuponlytopreventingressofdebristhatmayblocksolenoidorificesorrestrictmotor
andpowerelectronicscooling.Itisnotasubstituteforacorrectlysizedfull-flowfilterdrier.Afilter
driermustbeinstalledinallinstances.Ifitisfoundthatafilterdrierisnotinstalled,andthefitting
ischangedduetoafieldreplacementofthecompressor,afilterdriermustbeincludedintheline
modification.
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Ifitisrequiredtoremovethefittingfromthehousingforanyreason,cleantheO-ring,fittingand
housingthreads,andapplyasmallamountofO-ringlubebeforereassembly.
3.5 Exterior Connection Torque Specifications
Table 3-2 Exterior Connection Torque Specifications
Description Thread Depth (mm) Nm Ft. Lb. In.Lb.
PowerCableNut(excludingTTS300/TGS230compressors) - 21 15 186
InputPressureScrews(TTS300/TGS230compressors) - 20 15 177
MotorCoolingBody,E-housingandlater - 25 18 221
MotorCoolingCompressionNut,E-housingandlater - 11 8 97
GroundPost,TopNut - 10 7 89
GroundPost,Second(Jam)Nut - 7 - 62
GroundPost,LowerNut - 20 15 177
SuctionFlangeFastener 34.5 75 55 664
DischargeFlangeFastener 20 32 24 283
EconomizerFlangeFastener 20 32 24 283
SchraderValve - 15 11 133
BaseMountingBolt 24 22 16 195
CoverFastener - 1.5 - 13
CompressorMountingFastener - 14 10 124
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