ITT IM213 Water Pump User Manual


 
13
Power Supply and Wiring
Section 6 (continued)
Conduit, Wire and Fuse Sizing
Theuseofmetalconduitwithmetalconduitconnectorsisrecommendedforallelectricalconnections.Usethe
NECorCECtodeterminetherequiredconduitsizefortheapplication.
Refertothechartbelowfortheminimumallowablewiresizeforeachcontroller.Notethatthesewiresizes
arenotadjustedforvoltagedropduetolongcablelengths.Refertothewiresizingchartintheappendixto
determinethemaximumlengthfortheinputcable.Refertothemotormanualformaximumoutputcable
length.Themaximumrecommendedvoltagedroponbothinputandoutputcablecombinedis5%.Standard
wiresizingchartsgivemaximumcablelengthsforonlyinputoroutputcables.Becauseofthisthelengths
giveninthetablemustbeadjustedsothetotalvoltagedropdoesnotexceed5%.Forexample,iftheinput
wiresizingchartintheappendixgivesthemaximumlengthof400'andonly100'isusedthenonly25%ofthe
totalvoltagedrop(1.25%drop)isused.Themaximumoutputcablelengthreadfromthemotor‘swiresizing
chartmustthenbeadjustedto75%ofitsvaluesothatthemaximumvoltagedropof5%isnotexceeded.
UseonlyfastactingclassTfuses.ThewireusedfortheinputpowerconnectionsonmodelsSPD20300and
SPD20300Fmusthaveatemperatureratingof90ºCminimum.Allotherwiremustberated75ºCminimum.
Thechartbelowshowstherecommendedsizesforwireandfusesforeachcontroller.Notethatthewiresizes
werenotadjustedforvoltagedropduetolongcablelengths.
Maximum Ambient Temperature 20ºC 30ºC 40ºC 50ºC
Generator Input Output Input Output Input Output Input Output
Voltage Frame Model Full Load Nominal Fuse Size Cable Cable Cable Cable Cable Cable Cable Cable
Size Number Output Current HP Size (VA) Min. AWG Min. AWG Min. AWG Min. AWG Min. AWG Min. AWG Min. AWG Min. AWG
1
SPD20050
17.8 5.0 30.0 7700 10 14 10 14 10 12 8 12
SPD20050F
SPD20075
26.4 7.5 40.0 11400 8 12 8 10 8 10 6 8
2
SPD20075F
SPD20100
37.0 10.0 50.0 16000 8 10 8 8 6 8 4 8
SPD20100F
SPD20150
47.4 15.0 70.0 20500 4 8 4 8 4 6 3 6
230
3
SPD20150F
SPD20200
60.6 20.0 80.0 26200 4 6 4 6 4 4 2 4
SPD20200F
SPD20250
76.0 25.0 110.0 32800 2 4 2 4 1 3 1/0 2
4
SPD20250F
SPD20300
94.0 30.0 135.0 40600 2* 3 1* 3 1* 2 1/0* 1
SPD20300F
SPD40050
8.9 5.0 15.0 7700 14 14 14 14 14 14 14 14
1
SPD40050F
SPD40075
13.2 7.5 20.0 11400 12 14 12 14 12 14 10 14
SPD40075F
SPD40100
18.5 10.0 30.0 16000 10 14 10 14 10 12 8 12
SPD40100F
460
2
SPD40150
23.7 15.0 40.0 20500 8 12 8 12 8 10 6 10
SPD40150F
SPD40200
30.3 20.0 50.0 26200 8 10 8 10 6 10 4 8
SPD40200F
SPD40250
37.5 25.0 60.0 32400 6 8 6 8 4 8 4 8
3
SPD40250F
SPD40300
47.0 30.0 70.0 40600 4 8 4 8 4 6 3 6
SPD40300F
*90ºCWireRequiredoninputtocontroller.