6
ADVICE
PIPE SUPPORTS
!LLSANITARYPIPEWORKMUSTBE
SUPPORTEDINACCORDANCEWITHTHEPIPE
MANUFACTURERSRECOMMENDATIONS
!VOIDDIPPINGORTRAPPINGWHICHMAY
CAUSETHEBUILDUPOFRESIDUALhSOLIDSv
ANDSUBSEQUENTBLOCKAGE
BENDS
7HEREPOSSIBLELONGSWEEPINGBENDS
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AVAILABLEUSETWOªELBOWSTOMAKE
AªTURN
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)FVERTICALLIFTISREQUIREDTHISMUST
PRECEDETHEHORIZONTALPIPERUN
DIRECTLY VERTICAL
!LLVERTICALLIFTSSHOULDRISEASDIRECTLY
ABOVETHEUNITASPOSSIBLEALLOWING
ONLYFORTHENEEDTOCLEARTHETOILET
TANK!NYINITIALHORIZONTALPIPERUN
FROMTHEUNITPRIORTOAVERTICALLIFT
SHOULDNOTEXCEEDINCHES
EASY ACCESS
4HEUNITSHOULDBEACCESSIBLEAND
REMOVABLEINTHEEVENTOFMAINTENANCE
BEINGREQUIRED$URINGTHEINSTALLATION
AFULLPORTBALLVALVESHOULDBEINSTALLED
ATTHEBASEOFANYVERTICALDISCHARGE
PIPEWORKFROMTHEUNITTOALLOWEASY
SERVICEOFTHEUNIT
GRAVITY FALL
4HEUNITACCEPTSWASTEWATERBY
GRAVITYITDOESNOThVACUUMvINWATER
!LLINLETPIPEWORKMUSTHAVEAPOSITIVE
GRAVITYFALL
/
"
PERFOOT !LLHORIZONTAL
PIPINGFROMTHEMACERATINGUNITMUST
ALSOHAVEAPOSITIVEGRAVITYFALLTOALLOW
FREEDRAINAGEWHENTHEPUMPSTOPS
NO DIRECT FALL
7HERETHEPOINTOFDISCHARGEINTOTHE
SOILSTACKISSIGNIFICANTLYLOWERTHANTHE
BASEOFTHEUNITAVACUUMRELIEFVALVE
MAYNEEDTOBEFITTEDATTHEHIGHEST
POINTINTHEPIPERUNINORDERTOAVOID
SIPHONAGEOFTHEWATERSEAL
THREE FEET MINIMUM
4HEMACERATINGUNITMUSTBEINSTALLED
ATLEASTFEETFROMTHESOILSTACK4HIS
WILLALLOWTHEMACERATORTOOPERATEFOR
ANADEQUATEPERIODOFTIMETOENSURE
EFFICIENTWASTEREDUCTION
SOIL STACK CONNECTION
!LLDISCHARGEPIPEWORKMUSTBE
CONNECTEDTOTHESOILSTACKBYAN
APPROPRIATEANDAPPROVEDCONNECTION
!hTEEvORvYvFITTINGASSHOWNIS
PREFERABLE
NO DIAGONAL “UPHILL” PIPE
RUNS
!LLDISCHARGEPIPEWORKFROMTHE
UNITSHOULDRUNEITHERDIRECTLYVERTICAL
UPWARDSFROMITORINAHORIZONTALPLANE
WITHASMALLGRAVITYFLOW TOTHEPOINTOF
DISCHARGE0IPEWORKSHOULDNOTBE
INSTALLEDWITHDIAGONALUPWARDSLOPE
FROMTHEUNITTOTHEPOINTOFDISCHARGE
PIPE WORK
!LLPIPEWORKSHOULDBEEITHERCOPPER
06#OR#06#$ONOTUSEFLEXIBLE
PIPES (ANGERSSHOULDNOTBELESS
THANTHREEFEETAPARTTOPREVENTPIPE
RATTLING
DISCHARGE
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DRAINFIXTUREMANHOLEORRAINWATER
DRAINPIPE)TISILLEGALFORITCONSTITUTESA
HEALTHHAZARD$IRECTCONNECTIONSINTO
SANITARYWASTESYSTEMSONLYSHALLBE
ACCEPTABLE
FREEZING
%NSUREALLPIPEWORKSUSCEPTIBLETO
FREEZINGISADEQUATELYINSULATEDOR
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TOILETPIPINGANDMACERATINGUNITMUST
BEPROPERLYWINTERIZEDWITHh26OR
PLUMBERSvANTIFREEZEORDRAINED
COMPLETELY
ELECTRICITY
"EFOREATTEMPTINGANYMAINTENANCEOR
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'ROUND&AULT#IRCUIT)NTERRUPTER'&#)