heat-timer EPU-D User Manual

16EPU‐DInstallationandOperationManual
059840‐00Rev.A Heat‐TimerCorp.
WiringtheEPU‐D
PowerInputWiring
1. De‐energizethecircuitthatwillprovidepowertotheEPU‐Dbyturningofftheappropriatecircuitbreaker.
2. Runthe120Vacpowerwiringthroughoneoftheknockoutslocatedonthe
bottomoftheEPU‐Denclosure.
3. Connectthehotlinetoterminal1ontheEPU‐D.
4. Connecttheneutrallinetoterminal2ontheEPU‐D.
5. Connectterminal3ontheEPU‐Dtoearthground.DONOTusetheneutralline
astheearthground!
OutputWiring
NOTE:TheEPU‐Doutputsdonotsourcepower.Ifpowerisneededataspecificoutput,aseparatepower
sourcemustbewiredinserieswiththeoutput.Eachoutputrelaycanswitcha6Aresistiveloadat120Vacor
a1Ainductiveload.
WARNING
ELECTRICALSHOCKHAZARD!Disconnectelectricalpowertothedevicebeforeservicingormaking
anyelectricalconnections.Failuretodosomayresultinseverepersonalinjuryordeath.
Useaseparatecircuitbreakerforthecontrol.Donotsharethecontrolpowerwithothermajor
equipment,pumps,ormotors.Heat‐Timerrecommendstheinstallationofasurgesuppressoranda
powerswitchbeforethepowerlineconnection.
Followalllocalandstateelectricalcodeswheninstallingthisunit.Allwiringmustmeetorexceed
local,state,orfederalcodesandrequirements.
CAUTION
TheinputpowerwiresmustbeN.E.C.Class1.Class1voltagewiringmust
useadifferentenclosureknockoutandconduitthananysensorwiring.
WARNING
ELECTRICALSHOCKHAZARD!Toavoidtheriskofelectricshock,DONOT
re‐connectelectricalpoweruntilALLwiringtotheEPU‐Discompleted.
Failuretodosomayresultinseverepersonalinjuryordeath.
CAUTION
Class2voltagewiring(low‐voltagesensorwires)mustuseadifferentenclosureknockout
andconduitthananyClass1voltagewiring.

heat-timer EPU-D Specifications

General

Brand	heat-timer
Model	EPU-D
Category	Control Panel
Language	English