Hayward Pools H350FDP Swimming Pool Heater User Manual


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Pomona, CA Clemmons, NC Nashville, TN
Tel: 908-351-5400 www.haywardpool.com
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
8
SECTION II. CONSUMER OPERATION & MAINTENANCE
FOR YOUR SAFETY – READ BEFORE OPERATING THE HEATER
GENERAL:
Watermustbeowingthroughtheheaterduringoperation.Checkthatthepumpisoperatingandthesys-
temislledwithwaterandpurgedofallairpriortostartingtheheater.Inanewpoolitisrecommendedthat
thelterbeoperatedlongenoughtocompletelycleanandclearthepoolwaterandltersystem.
Balancethepool/spawaterchemistryandcleanthelter.Thenfollowtheinstructionsbelow.
POOL/SPA WATER CHEMISTRY:
SeeFigure1.Themineralcontentofswimmingpoolwaterincreasesdailyduetoadditionofpoolsanitiz-
ingchemicalsandnaturalevaporation.Excessmineralswilldepositonpoolwalls,intheltrationsystem,
andintheheatexchangertubesifthemineralcontentistoohigh.
Changingspawaterregularlyandmaintainingcorrectchemicalbalanceinpool/spawillkeepthepool/
spasafeandsanitary,andwillprotecttheheateranditswarrantycoverage.PurchaseaPHwatertestkitand
checkthefollowingchemicallevelsfrequently.
CHLORINE OR BROMINE:Recommendedlevelis1to4ppm.Testbeforeuse.pH:Recommendedideal
level7.4to7.6.HIGHreadingsreducesanitizerefciency.LOWreadingsarecorrosive.
TOTAL ALKALINITY:80–120ppm.Testweeklyduringregularuse.LOWreadingsarecorrosiveand
causerapidpHchangeswhenchemicalsareadded.
CALCIUM HARDNESS:200–400ppm.Testwheneverpool/spaislled.
LOWlevelsofhardnesscanbeverycorrosive.
Remember,additionofanychemicalscanchangethelevelsofchlorine,pH,andtotalalkalinity.
Itisrecommendedthatresidentialspawaterbechangedevery2to3monthstopreventwaterproblems.
Publicspasmayneedtohavethewaterchangedeveryweek,orevendaily,dependingonthebatherload.
Figure1
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