Pentair EASYTOUCH PL4 - Settings Menu: Delays

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EASYTOUCH
®
PL4/PSL4 Control Systems User’s Guide
Settings Menu: Delays (Spa/Pool (Heater Cool-Down) and Delays For Valves)
Setupwhichfunctions(pool/spa,andvalves)toassignthedelayfeature.Delayscanbeassignedtothe
followingequipment.See"Delays"belowfordelaycooldownanddelayforvalvesinformation.
• Heater Cool-Down Delay Cancel:ShutsFilterPumpoffimmediately.
• 2-Speed Filter Pump five-minute START on HIGH SPEED Delay Cancel:Shiftspumptolow
speed.
• Automatic Pool Cleaner START Delay:StartsCleanerPumpimmediately,withoutnormaldelayin
whichthelterpumprstrunsfor5minutes.
• Automatic Pool Cleaner SOLAR Delay:AllowsCleanerPumptoruneventhoughsolardelayhas
shutitofffor5minutes.
Someheatersrequireacooldowncyclebeforebeingswitchedoff.Thiscanbesetuptorunthelterpumpan
additionaltenminutestodissipateresidualheatbuiltupinsidetheheatercombustionchamber.Youcanalso
cancelthedelayfeature.Forinformationaboutusingthecanceldelayfeature,referto“DelayCancel”
onpage31.
PresstheUp/Down buttonstoselectYES to enable COOLDOWN delaysforthepool
andspacircuits.SelectYEStousedelaysforvalves.PresstheMenubuttontosave
andtoreturntotheSettingsmenuoptions.
HEAT PUMP: Isaheatpumpbeingusedforsolarheat?SelectYesorNotoenablesolarasaheatpump.Heat Pump
Control instead of Solar: SelectYESifaheatpumpisbeingusedinplaceofasolarheatingsystem.IfSolarissetto
heatpump,Valve Aisfreeforothercircuits.
Right button: Select2of3(2/3)toaccessthefreezeandnightcoolingfeatures.
Screen (2/3): ENABLE FREEZE: Enablefreezeprotectionwhenusingsolarheat.SelectYesorNotoenablefreeze
solarprotection.
Screen (3/3): Solar temperature differential start up and run settings.
Start:Setthetemperaturedifferentialtostartheatingfrom3°to9°.Forexample,if“Start”issetto3°,thisensures
thatthetemperaturehastodeviateby3°atleasttothespeciedsetpointtemperature(intheHeatmenu,onpage
25)beforeitswitcheson.Oncethesolarcomesonitwillstartconvergingasitisheating.Thisensuresthatitwillnot
continuallybeswitchingonandoff.
Run:Setthetemperaturedifferentialtostopheatingfrom2°to5°.Thissettingsetshowclosetothetargetsetpoint
temperaturetoswitchoffsolarheat.
Delays
Toassignadelayfeature:
MENUsSETTINGsDELAYSwDELAYS
Delays Cool down:Thisfeaturekeepsthepumprunningfortenminutesaftertheheaterisswitchedofftocool
downtheheatersheaderandheatexchanger.Someheatermodelsrequirethiscooldownperiodordamagewill
occur.Thisissometimereferredtoasthe“FiremanSwitch.”forexample,Ifyouareinthespa,andyouswitchit
off.Thesystemwillreturnthevalvesto“Pool”modeposition.Ifthepoolisrunningacycle,ortheFiremanswitch
(Spa/PoolDelay)isenabled,colderwaterfromthepoolwouldbepumpedintothespaasthevalvesturn.Note:If
thepoolisnotrunningacycle,andtheremanswitchisnotenabled,thepumpstopsandnopoolwaterwouldbe
pumpedintothespaasthevalvesturnbacktopool.
Delays For Valves:Thisfeaturecreatesa30secondPUMPOFF(forced)periodanytimethevalvesrotate.
Eitherfrompooltospa,orspatopool.Whenyouswitchthespaoff,evenifthepoolisrunningacycleorthe
remanswitchisenabled,itstopsthepumpfor30secondswhilethevalvesturn,socolderwaterfromthepool
willnotenterthespa.Thisfeaturepreventscoldwaterenteringthespawhenyoustartthespa,solessheatingis
needed.ItalsostopsthepumpwhenthesystemischangingfrompooltospaorbackagaininFreezemode.
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Delays
Cooldown: No
Valves: No
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