Installation Manual

ManualsBrandsTakagi ManualsCooling & Air QualityT-H2-DV Tankless Water Heater, Direct Vent (Propane)

SafetyGuidelines

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• Watertemperaturesover125°Fcancausesevereburnsinstantlyordeathfromscalding.The

watertemperatureissetat120°F(49°C)fromthefactorytominimizeanyscaldingrisk.Before

bathingorshoweringalwayscheckthewatertemperature.

• Donotstoreorusegasolineorotherflammables,vapors,orliquidsinthevicinity

ofthisappliance.

• Donotrevers ethewaterand/orgasconnectionsasthiswilldamagethegas

valvesandcancausesevereinjuryordeath.Followthediagramonp.19when

installingyourwaterheater:

• Donotusethisapplianceifanyparthasbeenincontactwithorbeenimmersed in

water.Immediatelycallalicensedplumber,alicensedgasfitter,oraprofessional

servicetechniciantoinspectand/orservicetheunitifnecessary.

• Donotdisco nnecttheelectricalsupplyiftheambienttemperaturewilldrop

belowfreezing.TheFreezePreventionSystemonlyworksiftheunithaselectrical

power.Thewarrantywillnotbecoverediftheheatexchangerisdamageddueto

freezing.RefertothesectionontheFreezePreventionSystemon

p.39formore

information.

SAFETYGUIDELINES

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GENERAL

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1. Follow all local codes, or in the absence of local codes, follow the most recent edition of the

NationalFuelGasCode:ANSIZ223.1/NFPA54intheUSAorCAN/CSAB149.1NaturalGas,Propane

InstallationCodeinCanada.

2. Properlygroundtheunitin accordancewithalllocal codes  orin

theabsence of localcodes,with

the NationalElec tricalCodes:ANSI/NFPA 70in the USA orCSA standard C22.1 Canada Electrical

CodePart1inCanada.

3. CarefullyplanwhereyouintendtoinstallyourT‐H2‐DV/T‐H2‐OSWaterHeater.Pleaseensure:

• Your water heater will have enough

 combustible air and proper

ventilation.

• Locate your heater where water leakage will not damage

surroundingareas(pleaserefertop.5).

4. ChecktheratingplateforthecorrectGASTYPE,GASPRESSURE,WATER

PRESSUREandELECTRICRATING.

*If this unit does not  match your requirements, do not install and

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consultwithTAKAGI.

5. Ifanyproblemshouldoccur,turnoffallhotwatertapsandturnoffthe

gas. Then call a trained technician or the Gas Company or the

manufacturer.

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Prohibited

WARNING

RATINGPLATE