Repair
Check Check
Check
RTD RTD
RTD
Cables Cables
Cables
and and
and
FTS FTS
FTS
1.PerformShutdown,page46.
2.DisconnectRTDcable(C)atReactor.
3.Testwithanohmmeterbetweenpinsofcable
connectorC.
Note
Donottouchouterringwithtestprobe.
Pins Pins
Pins
Result Result
Result
3to1
SeeRTDResistancevs.
Temperature,page70.
3to4
SeeRTDResistancevs.
Temperature,page70.
1to4
0.2-0.4ohmsattheFTS(each50ft
cableadds2.5ohms)
2to
any
innity(open)
4.Retestateachlengthofhose,includingwhip
hose,untilfailureislocated.
5.IftheFTSisnotreadingproperlyattheendof
thehose,connectFTSdirectlytoRTDcable(C)
atthemanifold.
6.IftheFTSreadsproperlyatthemanifoldbut
notattheendofthehose,checkcable(C)
connections.Verifytheyaretight.
HeatedHose
Figure14
Note
Toassistintakingreadings,orderRTD
TestKit24N365.Kitincludestwocables:
onecablewithacompatiblefemaleM8
connectorandanothercablewithamale
M8connector.Bothcableshavestripped
wireattheotherendforeasytestprobe
access.
Pins Pins
Pins
/ /
/
Wire Wire
Wire
Color Color
Color
Result Result
Result
3to1/
brownto
blue
SeeRTDResistancevs.
Temperature,page70.
3to4/
blueto
black
SeeRTDResistancevs.
Temperature,page70.
1to4/
brownto
black
0.2-0.4ohmsattheFTS(each50
ftcableadds2.5ohms)
2toany
/N/A
innity(open)
333024S 69