Hayward HDF400 User Manual

2 ONLYUSEGENUINEHAYWARDREPLACEMENTPARTS
51300803801REVB
GETTING STARTED
WHAT TO EXPECT WHEN OPERATING YOUR POOL HEATER
This flow chart provides guidance to protect pool users and product by maintaining good water quality.
ISPOOL/SPAIN
CHEMICALBALANCE?
INITIALUSEORSPRINGSTARTUP
Checkallpool/spawaterpiping.Donotconnectproducttowaterpiping.
BYPASSTOCLOSEDPOSITION,WATERDIRECTEDTOPRODUCT
TURNONELECTRICPOWERANDGASASREQUIRED.
STARTPRODUCT.PROGRAMREQUIREDWATER
TEMPERATUREONPRODUCTCONTROLPANEL.
IMPORTANTFORPOOLUSERHEALTHANDPRODUCTPERFORMANCE
 VerifyChlorineorBrominelevelevery2‐3days
 VerifyPHleveleveryweek
 VerifyAlkalinitylevelevery3‐4weeks(2weeksifusinganAutomacChlorineorBromineFeeder)
 VerifyWaterHardnessandTotalDissolvedSolids(TDS)everymonth(itisrecommendedthata
poolprofessionalperformthistesng)
ISHEATING/COOLING
NEEDEDWITHIN1WEEK?
CONNECTWATERPIPINGTOPRODUCT,BYPASSTOOPENPOSITION
ISHEATING/COOLING
NEEDEDFORRESTOFYEAR?
DISCONNECT
WATERPIPINGTO
PRODUCT
ENJOYYOURPOOL/SPA
NO
NO
NO
OPEN
PRODUCT
POOL/SPA
CLOSED
PRODUCT
POOL/SPA
INSTALLATION
Verifythatproductinstallaonwasperformed
tolocalcodesandaccordingtothismanual.
SETBYPASSTO
OPENPOSITION,
WATERDIVERTED
FROMPRODUCT
TURNOFFELECTRIC
POWERANDGASAS
REQUIRED

Hayward HDF400 Specifications

General

Brand	Hayward
Model	HDF400
Category	Gas Heater
Language	English