Rheem H95 Direct Vent Indoor Series Use and Care Manual - Page 22

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CARING FOR YOUR WATER HEATER DrainingtheWaterHeater(cont.) StandardDrainMethod Serviceisolatorvalvekitsmaybepurchasedfromthe manufacturer,distributor,orplaceofpurchase.The kitsincludetwofull-portisolationvalvestobeused intheinletandoutletwaterlines.Thesekitsprovide a meansforfulldiagnostictestingandeaseofsystem flushing. Hot Water Service Valve Pressure Relief Valve WWaatteerr Outlet Drain Cold Water Service Valve WWaatteerr Inlet FreezeProtection WARNING:Failuretodrainthewater heatercancauseseriouspersonalinjuryfromscalding and/orproductdamage. Wheneverthewaterheatermaybeexposedtofreezing conditions,makesuretocompletelydrainthewater fromtheunit.Seepage20. Freezingconditionscomefromtheventilationsystem ondirect-ventmodelsandfromexposuretocoldairon outdoormodels. Allofthesewaterheatersareequippedwithafreeze protectionelectricheater.Thisheaterprevents freezinginsidethewaterheaterdowntoanambient temperatureofapproximately-30°F(-34°C).These temperaturesareallbasedontemperatureswithout wind. Theheateronlyprotectstheinternalcomponentsof thewaterheater. NOTICE:Unpluggingordisconnectingthepower supplytothewaterheaterwillalsodisconnectthe powertotheheater. Externalpipingandvalvesrequireadditional freezeprotection.Onemethodistowrapinsulation aroundthepipingandvalves. Anothermethodistoturnonahotwaterfaucetand leaveasmallamountofwaterrunningatafaucet. Thiswillprotectthewaterheater,piping,andvalves fromfreezing. RunningWaterFreezeProtection 1  TurnoffthewaterheaterbypressingthePOWER ON/OFFbuttononthecontrolpanel. 2  Closethegasshut-offvalve(s). 3  Openahotwaterfaucetslightlyuntilthewater streamisapproximately1/8in.(0.3cm).Besureto checktheflowperiodically. 22 Care Instructions

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22
CARING FOR YOUR WATER HEATER
Draining±the±Water±Heater±(cont.)
Standard±Drain±Method
Service±isolator±valve±kits±may±be±purchased±from±the±
manufacturer,±distributor,±or±place±of±purchase.±The±
kits±include±two±full-port±isolation±valves±to±be±used±
in±the±inlet±and±outlet±water±lines.±These±kits±provide±
a means±for±full±diagnostic±testing±and±ease±of±system±
flushing.±±
Freeze±Protection
WARNING:±
Failure±to±drain±the±water±
heater±can±cause±serious±personal±injury±from±scalding±
and/or±product±damage.
Whenever±the±water±heater±may±be±exposed±to±freezing±
conditions,±make±sure±to±completely±drain±the±water±
from±the±unit.±See±page±20.
Freezing±conditions±come±from±the±ventilation±system±
on±direct-vent±models±and±from±exposure±to±cold±air±on±
outdoor±models.
All±of±these±water±heaters±are±equipped±with±a±freeze±
protection±electric±heater.±This±heater±prevents±
freezing±inside±the±water±heater±down±to±an±ambient±
temperature±of±approximately±-30°F±(-34°C).±These±
temperatures±are±all±based±on±temperatures±without±
wind.
The±heater±only±protects±the±internal±components±of±
the±water±heater.
NOTICE:
±Unplugging±or±disconnecting±the±power±
supply±to±the±water±heater±will±also±disconnect±the±
power±to±the±heater.
External±piping±and±valves±require±additional±±
freeze±protection.±One±method±is±to±wrap±insulation±
around±the±piping±and±valves.±
Another±method±is±to±turn±on±a±hot±water±faucet±and±
leave±a±small±amount±of±water±running±at±a±faucet.±
This±will±protect±the±water±heater,±piping,±and±valves±
from±freezing.
Running±Water±Freeze±Protection
±
Turn±off±the±water±heater±by±pressing±the±POWER±
ON/OFF±button±on±the±control±panel.
±
Close±the±gas±shut-off±valve(s).
±
Open±a±hot±water±faucet±slightly±until±the±water±
stream±is±approximately±1/8±in.±(0.3±cm).±Be±sure±to±
check±the±flow±periodically.
Cold Water
Service Valve
Hot Water
Service Valve
Pressure
Relief Valve
Pressure
Relief Valve
Water
Outlet
Water
Outlet
Water
Inlet
Water
Inlet
Drain
Drain
1
2
3
Care Instructions