Installation
Ground Ground
Ground
The The
The
System System
System
Theequipmentmustbegroundedtoreducethe
riskofstaticsparking.Staticsparkingcancause
fumestoigniteorexplode.Impropergrounding
cancauseelectricshock.Groundingprovidesan
escapewirefortheelectricalcurrent.
•Always Always
Always
groundtheentireuidsystemas
describedbelow.
•PumpswithPolypropylene Polypropylene
Polypropylene
and and
and
PVDF PVDF
PVDF
uid
sectionsarenot not
not
conductive.Never Never
Never
usea
nonconductivepolypropyleneorPVDFpump
withammableuids.
•Followyourlocalrecodes.
Beforeoperatingthepump,groundthesystemas
explainedbelow.
•Pump: Pump:
Pump:
Allpumpshaveagroundscrew.Loosen
thegroundingscrew.Insertoneendofa12–gauge
minimumgroundwirebehindthegroundscrew
andtightenthescrewsecurely.Connecttheclamp
endofthegroundingwiretoatrueearthground.A
groundwireandclamp,Part238909,isavailable
fromGraco.
•Motor: Motor:
Motor:
Motorshaveagroundscrewintheelectrical
box.Useittogroundthemotortothecontroller.
•Air Air
Air
Line Line
Line
and and
and
Fluid Fluid
Fluid
hoses: hoses:
hoses:
Useonlygrounded
hoseswithamaximumof500ft(150m)combined
hoselengthtoensuregroundingcontinuity.Check
electricalresistanceofhoses.Iftotalresistance
togroundexceeds29megohms,replacehose
immediately.
•Fluid Fluid
Fluid
supply supply
supply
container: container:
container:
Followlocalcode.
•Solvent Solvent
Solvent
pails pails
pails
used used
used
when when
when
ushing: ushing:
ushing:
Followlocal
code.Useonlyconductivemetalpails,placed
onagroundedsurface.Donotplacethepail
onanonconductivesurface,suchaspaperor
cardboard,whichinterruptsgroundingcontinuity.
•VFD: VFD:
VFD:
Groundthevariablefrequencydrivethrough
aproperconnectiontoapowersource.Referto
theVFDmanualforgroundinginstructions.
Checkyoursystemelectricalcontinuityafterthe
initialinstallation,andthensetuparegularschedule
forcheckingcontinuitytobesurepropergrounding
ismaintained.Theresistanceshouldnotexceed1
ohm.
3A4068H13