Tankless Water Heater - Waiwela

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ON/OFFInstalling the water heater:Typical Installation of Water Heater(Venting Required)7/8” Per Foot Downward PitchOutside Wall94° ElbowWall PlateVent TerminationWith ProtectiveScreenVent AdapterOutside WallTo Hot WaterFaucet(s)DrainValveWater FilterManualGas Supply LineShut-offVa lveUnionReliefVa lveCheckVa lveManual GasApplianceShut-off(supplied)UnionPowerSupplyCordCold WaterSupplyShut-ofVa lveSedimentTrapDrain ValveDrainHose(To Suitable Drain)CapVacuum Relief Valve(Not Supplied)DischargeLine(To Suitable Drain)6” (15 cm) Air GapPRIORITY¥ FPOWERAlternate Water Piping Arrangementwith Optional Valve KitHot Water ServiceValvePressure ReliefValveCold WaterService ValveIf required, install per local codesand valve manufacturer’sinstructions.RemoteControlDrainWaterOutletWater Inlet22NOTICE: The National Fuel Gas Code (NFGC) and B149 mandates a manual gas shut-off valve: SeeNFGC/B149 for complete instructions. Local codes or plumbing authority requirements may vary fromthe instructions or diagrams provided and take precedent over these instructions.AP14558-1 (09_08) DV 66 Manual.indd 229/17/2008 3:08:02 PM
WARNING: If localcodes require externalapplication ofinsulation blanket kitsthe manufacturer’sinstructions includedwith the kit must becarefully followed.Insulation BlanketsInsulation blankets, available to the generalpublic for external use on gas water heaters,are not necessary. The purpose of aninsulation blanket is to reduce the standbyheat loss encountered with storage tankheaters. This water heater does not store watermaking an insulation blanket unnecessary.The manufacturer’s warranty does not coverany damage or defect caused by installation,attachment or use of any type of energysaving or other unapproved devices (otherthan those authorized by the manufacturer)into, onto or in conjunction with the waterheater. The use of unauthorized energy savingdevices may shorten the life of the waterheater and may endanger life and property.The manufacturer disclaims any responsibilityfor such loss or injury resulting from the useof such unauthorized devices.CAUTION: If local codes require theapplication of an external insulationblanket to this water heater, pay carefulattention to the following so as not torestrict the proper function and operationof the water heater:● Do not cover the air inlet, flue outlet oroperating and warning labels attached tothe water heater or attempt to relocate themon the exterior of insulation blanket.NOTICE: The hotand cold pipes shouldbe insulated as shownto provide additionalfreeze protection.WARNING: In casethe pipe insulation isnot rated for theappropriate weatherconditions installelectric heat tracing orequivalent to preventfreezing of the pipes.Do not insulate orblock drain valve onthe hot outlet fitting. Ifthe pipes are allowedto freeze, the waterheater and the pipesmay malfunction orleak due to freezingwater.Hot and Cold Pipe Insulation InstallationPressure ReliefValveDrain ValveHot Water ServiceValveDrainWaterOutletFor increased energy efficiency, use pipeinsulation. Please install the insulationaccording to the diagram above, making sureDuring Installation of this water heater…Do’s❑ Do follow all installation instructionscovered in this manual.❑ Do check inlet gas pressure to ensurethat it is within the range specified onthe rating plate.❑ Do provide adequate air for combustionand ventilation as discussed in the Use &Care Manual and the National Fuel GasCode (CSA B149 in Canada).❑ Do maintain proper clearances tocombustibles and non-combustibles asspecified on the nameplate.❑ Do ensure that the venting system complieswith the guidelines found in the Use &Care Manual and National Fuel Gas Code(CSA B149 in Canada).Water InletCold WaterService ValvePipe Insulationto insulate all the way to the top. Do notcover any drain or pressure relief valve(s).❑ Do contact local gas company to ensure gasmeter and gas piping are adequately sized.❑ Do use teflon tape on water lineconnections and fittings.Don’ts❑ Don’t block or restrict Air IntakeOpenings.❑ Don’t remove the front cover unlessabsolutely necessary. This should only bedone after being examined by a qualifiedservice technician.❑ Don’t install this product where standingwater may occur.❑ Don’t use pipe dope on water lineconnections and fittings.23AP14558-1 (09_08) DV 66 Manual.indd 239/17/2008 3:08:02 PM
Page 1 and 2: Direct Vent GasUse & Care ManualWit
Page 3 and 4: IMPORTANT SAFETY INFORMATION.READ A
Page 5 and 6: DANGER!Natural gas and liquefied pe
Page 7 and 8: Installing the water heater :This w
Page 9 and 10: The water heater must be installed
Page 11 and 12: GvHADVLEVBFCvvFIXEDCLOSEDOPERABLEBB
Page 13 and 14: Installing the water heater:94° El
Page 15 and 16: CAUTION:Reinforcement of the wall i
Page 17 and 18: Drain Valveshown onright withouttub
Page 19 and 20: WARNING: Field wiring connections a
Page 21: WARNING: Field wiring connections a
Page 25 and 26: Lighting the water heater:Before op
Page 27 and 28: Notice: The remote controlcannot be
Page 29 and 30: Housekeeping, continuedCLEANING THE
Page 31 and 32: Before You Call For Service…Troub
Page 33 and 34: Replacement Parts:Direct Vent Water
Page 35 and 36: The content on this page is intende

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