Rheem H95 Direct Vent Indoor Series Use and Care Manual - Page 49

Notices

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INSTALLATION INSTRUCTIONS Water Supply Installation (cont.) 4 Opentheshut-offvalveintheCOLDwaterInletline tocheckthewaterflowthroughthewaterheater. NOTICES: •BesuretoconnecttheCOLDwaterinletandthe HOTwateroutletasshownonthewaterheater.If reversed,thewaterheaterwillnotfunction. •TheflowrateofHOTwatermayvarywhenmorethan twofaucets(appliances,fixtures,etc.)arebeing usedsimultaneously. •ThepipesMUSTbecompletelydrainable.IftheHOT waterfaucetsarelocatedatapointhigherthanthe waterheater,placeadrainvalveatthelowestpoint. Plumbing 5  Closetheshut-offvalveandremove,clean,and replacethewaterfilter. Itisrecommendedtouseunionsandflexiblecopper connectionsattheCOLDandHOTwaterlines.They allowthewaterheatertobedisconnectedeasilyfor servicing. Usethefollowingguidelineswhenconnecting theHOTWATEROUTLET: •Connectionsbetweenthewaterheaterandpoint(s) ofuseshouldbeasshortaspossible. •Localcodesshallgovernthepipingusedforwater connections. •Toconserveenergyandtopreventfreezing,insulate bothCOLDandHOTwatersupplylines.Donot insulatedrainlineorpressure-reliefvalve. Water Piping Arrangement With Service Valve Kit Servicevalvekitsareavailableonalltanklesswater heatersystems.Allkitsincludetwofull-portisolation valvestobeusedintheCOLDandHOTwaterlines. Wheninstalled,thesevalvesallowonepersonfull diagnostictestingandeaseofflushingthesystem. Contactyourdistributororplaceofpurchasefor availabilityandinstallationinformation. Hot Water Service Valve Pressure Relief Valve WWaatteerr OOuuttlett DDraiinn Cold Water Service Valve Water Inlet 49

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49
INSTALLATION INSTRUCTIONS
Open±the±shut-off±valve±in±the±COLD±water±Inlet±line±
to±check±the±water±flow±through±the±water±heater.±
±
Close±the±shut-off±valve±and±remove,±clean,±and±
replace±the±water±filter.
NOTICES:
±
•±±
Be±sure±to±connect±the±COLD±water±inlet±and±the±
HOT±water±outlet±as±shown±on±the±water±heater.±If±
reversed,±the±water±heater±will±not±function.±
•±±
The±flow±rate±of±HOT±water±may±vary±when±more±than±
two±faucets±(appliances,±fixtures,±etc.)±are±being±
used±simultaneously.
•±±
The±pipes±MUST±be±completely±drainable.±If±the±HOT±
water±faucets±are±located±at±a±point±higher±than±the±
water±heater,±place±a±drain±valve±at±the±lowest±point.
It±is±recommended±to±use±unions±and±flexible±copper±
connections±at±the±COLD±and±HOT±water±lines.±They±
allow±the±water±heater±to±be±disconnected±easily±for±
servicing.
Use±the±following±guidelines±when±connecting±±
the±HOT±WATER±OUTLET:
•±±
Connections±between±the±water±heater±and±point(s)±
of±use±should±be±as±short±as±possible.
•±±
Local±codes±shall±govern±the±piping±used±for±water±
connections.±
•±±
To±conserve±energy±and±to±prevent±freezing,±insulate±
both±COLD±and±HOT±water±supply±lines.±Do±not±
insulate±drain±line±or±pressure-relief±valve.±
5
4
Pressure
Relief Valve
Pressure
Relief Valve
Cold Water
Service Valve
Cold Water
Service Valve
Water
Inlet
Water
Inlet
Water
Outlet
Water
Outlet
Hot Water
Service Valve
Hot Water
Service Valve
Drain
Drain
Water Piping Arrangement With Service Valve Kit
Service±valve±kits±are±available±on±all±tankless±water±
heater±systems.±All±kits±include±two±full-port±isolation±
valves±to±be±used±in±the±COLD±and±HOT±water±lines.±
When±installed,±these±valves±allow±one±person±full±
diagnostic±testing±and±ease±of±flushing±the±system.±
Contact±your±distributor±or±place±of±purchase±for±
availability±and±installation±information.
Water Supply Installation (cont.)
Plumbing