Rheem H95 Direct Vent Indoor Series Use and Care Manual - Page 28

Installation Instructions

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General INSTALLATION INSTRUCTIONS StandardsCompliance Thiswaterheatermustbeinstalledinaccordancewith theseinstructions,localcodes,andutilitycompany requirements. IntheUnitedStateswherelocalcodesarenot available,usethelatesteditionoftheAmerican NationalStandard/NationalFuelGasCode.Acopyof theFuelGasCodecanbepurchasedfromeitherthe AmericanGasAssociation,400NorthCapitolStreet Northwest,Washington,DC20001,asANSIstandard Z223.1,orNationalFireProtectionAssociation,1 BatterymarchPark,MA02269asNFPA54. InCanada,usethelatesteditionoftheCAN/CSA B149.1NaturalGasandPropaneInstallationCodeand theCanadianElectricalCode,CAN/CSAC22.1,Part1. Acopycanbepurchasedfrom;CanadianStandards Association,5060SpectrumWay,Mississauga,ON L4W5N6 ChoosingaLocation WARNING:FireHazard- Combustibleconstructionreferstoadjacentwallsand ceilingsandshouldnotbeconfusedwithcombustible orflammableproductsandmaterials.Combustible materials,suchasclothing,cleaningmaterials,or flammableliquids,mustnotbeplacedagainstor nexttothewaterheater.Fireorexplosioncould occurcausingdeath,personalinjury,and/orproduct damage. Agas-firedwaterheatershouldneverbeinstalledin aspaceorroomwhereliquidswithflammablevapors areusedorstored.Suchliquidsincludegasoline,LP gas(butaneorpropane),paint,adhesivesandtheir thinners,solvents,orremovers.Flammablevapors carrylongdistancesfromwheretheyareusedor stored.Theopenflameofthewaterheater'smain burnercanignitethesevaporscausinganexplosionor fire. NOTICE:Elevatingagas-firedwaterheaterwill reducebutNOTeliminatethepossibilityoflightingthe vaporofflammableliquidswhichmaybeimproperly storedoraccidentallyspilled. NOTICE:Thiswaterheatershouldnotbelocated inanareawhereleakageoftheheatexchangeror connectionswillresultindamagetotheareaadjacent toitortolowerfloorsofthestructures.Whensuch areascannotbeavoided,installasuitablecatchpan withanadequatedrainunderthewaterheater. Thefollowingrequirementswillensureasafe installation: •Thewaterheatermustbelocatedinanareawhere itwon'tsustaindamagedfrommovingvehicles, flooding,etc.Ifthewaterheaterisinstalledina storagegarage,thedirectignitionsystemandmain burnershouldbenolessthan18in.(45cm)above thegaragefloor. •Ifthewaterheaterisinstalled inarepairgarageor inaprivategarage,thedirectignitionsystemand mainburnershouldbenolessthan4.5ft(1400mm) abovethegaragefloor. •Thewaterheatershouldbeinstalledascloseas possibletotheventexhaustandairintake.This minimizestheventlengthandthenumberofelbows andjointsrequiredforventing. •Thewaterheatershouldbeinstalledwiththecorrect ventingandexhaustmaterials.Seepage34. 12" (300 mm) Exhaust Vent Pipe Air Intake Pipe 0" min. (0 mm) 0" min. (0 mm) 0" min. (0 mm) 28

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28
INSTALLATION INSTRUCTIONS
Exhaust Vent Pipe
Air Intake Pipe
0" min.
(0 mm)
0" min.
(0 mm)
0" min.
(0 mm)
12"
(300 mm)
Standards±Compliance
This±water±heater±must±be±installed±in±accordance±with±
these±instructions,±local±codes,±and±utility±company±
requirements.±
In±the±United±States±where±local±codes±are±not±
available,±use±the±latest±edition±of±the±American±
National±Standard/National±Fuel±Gas±Code.±A±copy±of±
the±Fuel±Gas±Code±can±be±purchased±from±either±the±
American±Gas±Association,±400±North±Capitol±Street±
Northwest,±Washington,±DC±20001,±as±ANSI±standard±
Z223.1,±or±National±Fire±Protection±Association,±1±
Batterymarch±Park,±MA±02269±as±NFPA±54.±
In±Canada,±use±the±latest±edition±of±the±CAN/CSA±
B149.1±Natural±Gas±and±Propane±Installation±Code±and±
the±Canadian±Electrical±Code,±CAN/CSA±C22.1,±Part±1.±±
A±copy±can±be±purchased±from;±Canadian±Standards±
Association,±5060±Spectrum±Way,±Mississauga,±ON±
L4W±5N6
Choosing±a±Location
WARNING:
±±
Fire±Hazard±–
Combustible±construction±refers±to±adjacent±walls±and±
ceilings±and±should±not±be±confused±with±combustible±
or±flammable±products±and±materials.±Combustible±
materials,±such±as±clothing,±cleaning±materials,±or±
flammable±liquids,±must±not±be±placed±against±or±
next±to±the±water±heater.±Fire±or±explosion±could±
occur±causing±death,±personal±injury,±and/or±product±
damage.
A±gas-fired±water±heater±should±never±be±installed±in±
a±space±or±room±where±liquids±with±flammable±vapors±
are±used±or±stored.±Such±liquids±include±gasoline,±LP±
gas±(butane±or±propane),±paint,±adhesives±and±their±
thinners,±solvents,±or±removers.±Flammable±vapors±
carry±long±distances±from±where±they±are±used±or±
stored.±The±open±flame±of±the±water±heater’s±main±
burner±can±ignite±these±vapors±causing±an±explosion±or±
fire.
NOTICE:
±Elevating±a±gas-fired±water±heater±will±
reduce±but±NOT±eliminate±the±possibility±of±lighting±the±
vapor±of±flammable±liquids±which±may±be±improperly±
stored±or±accidentally±spilled.
NOTICE:
±This±water±heater±should±not±be±located±
in±an±area±where±leakage±of±the±heat±exchanger±or±
connections±will±result±in±damage±to±the±area±adjacent±
to±it±or±to±lower±floors±of±the±structures.±When±such±
areas±cannot±be±avoided,±install±a±suitable±catch±pan±
with±an±adequate±drain±under±the±water±heater.±
The±following±requirements±will±ensure±a±safe±
installation:
•±±
The±water±heater±must±be±located±in±an±area±where±
it±won’t±sustain±damaged±from±moving±vehicles,±
flooding,±etc.±If±the±water±heater±is±installed±in±a±
storage±garage,±the±direct±ignition±system±and±main±
burner±should±be±no±less±than±18±in.±(45±cm)±above±
the±garage±floor.
•±±
If±the±water±heater±is±installed in±a±repair±garage±or±
in±a±private±garage,±±the±direct±ignition±system±and±
main±burner±should±be±no±less±than±4.5±ft±(1400±mm)±
above±the±garage±floor.
•±±
The±water±heater±should±be±installed±as±close±as±
possible±to±the±vent±exhaust±and±air±intake.±This±
minimizes±the±vent±length±and±the±number±of±elbows±
and±joints±required±for±venting.
•±±
The±water±heater±should±be±installed±with±the±correct±
venting±and±exhaust±materials.±±See±page±34.
General