94% CONDENSING TANKLESS WATER HEATERAP15896-1(11/10)Printed in USA*All models available for natural gas (N) or propane gas (P) usage.Do not destroy m
10PRODUCT INFORMATIONSpecicationsMANUFACTURER 157k BTU MODELS 199.9k BTU MODELSRheemEcoSense Paloma/Wai WelaRuudRichmondRTGH-84DV* and RTGH-84X* ECOH
11PRODUCT INFORMATIONGeneral DescriptionsTypical Direct-Vent Water Heater (Venting Required)Product InformationRemote ControlWith Power SwitchTo Hot W
12PRODUCT INFORMATIONTypical Outdoor Water Heater (No Venting Required)Remote ControlWith Power SwitchTo Hot WaterFaucet(s)Drain ValveWaterFilterAir I
13Use InstructionsUSING YOUR WATER HEATERWARNING: Flammable vapors can be drawn by air currents from surrounding areas to the water heater. Vapors can
14Use InstructionsUSING YOUR WATER HEATERMaximum water temperature occurs while the water heater burner is on. To determine the water temperature:Turn
15CARING FOR YOUR WATER HEATERWater Heater InspectionsVenting System (Direct Vent Only) The venting system should be inspected annually to ensure all
16CARING FOR YOUR WATER HEATERBurner Visually inspect the main burner annually.DANGER: Shock Hazard – Removing the front cover panel exposes you to li
17CARING FOR YOUR WATER HEATERCare and CleaningDANGER: Shock Hazard – Make certain power to the water heater is OFF before removing protective cover f
18CARING FOR YOUR WATER HEATER CAUTION: Do not tap or force the filter during removal. This can deform and/or damage the filter. Unscrew the water
19CARING FOR YOUR WATER HEATERPreventive MaintenanceWARNING: Failure to perform routine preventive maintenance can prevent the water heater from opera
Important Safety InformationSafety Precautions ... 2–8Product InformationProduct Information ...
20Care InstructionsCARING FOR YOUR WATER HEATERDraining the Water HeaterWARNING: Failure to follow these draining instructions can cause serious perso
21Care InstructionsCARING FOR YOUR WATER HEATERCAUTION: Even when drained properly, a small amount of water will remain in the water heater. In cold w
22CARING FOR YOUR WATER HEATERDraining the Water Heater (cont.)Standard Drain MethodService isolator valve kits may be purchased from the manufacturer
23CARING FOR YOUR WATER HEATERVacation and Extended ShutdownWARNING: Failure to drain the water heater can cause serious personal injury from scalding
24Care InstructionsCARING FOR YOUR WATER HEATERProblem Possible Cause SolutionWater not hot enough. 1. The temperature may be set too low. 1. Increas
25Care InstructionsCARING FOR YOUR WATER HEATERService Error Code ChartYour water heater has an electronic diagnostic system built into it. When the
26Error Code Possible Cause Solution1LWater heater has buildup of lime deposits. Contact a dealer or qualified service technician.05Air intake or vent
INSTALLATION INSTRUCTIONS FOR THE CONTRACTORInstallation
28INSTALLATION INSTRUCTIONSExhaust Vent PipeAir Intake Pipe0" min.(0 mm)0" min.(0 mm)0" min.(0 mm)12"(300 mm)Standards ComplianceT
29INSTALLATION INSTRUCTIONSGeneral• Every penetration of a floor or ceiling should be sealed.• Failure to install and properly vent the water heater
Safety3IMPORTANT SAFETY INFORMATIOND A N G E RFLAMMABLESFlammable VaporsWater heater has a mainburner flame.The main burner flame:1. which can come o
30INSTALLATION INSTRUCTIONSGeneralProduct Inspection• Visually inspect the water heater for any possible damage.• Check the rating plate on the wate
31INSTALLATION INSTRUCTIONSGeneralNOTICE: The National Fuel Gas Code (NFGC) and CSA B149.1 mandate a manual gas shut-off valve. See NFGC/B149.1 for co
32GeneralINSTALLATION INSTRUCTIONSWater Heater Installation (cont.)Typical Installation of Outdoor Water Heater (No Venting Required)This water heate
33GeneralINSTALLATION INSTRUCTIONSMounting the Water HeaterCAUTION: Reinforcement of the wall is required in case the wall is not strong enough to hol
34INSTALLATION INSTRUCTIONSVenting for Direct-Vent Water HeaterDANGER: Failure to properly vent the water heater to the outdoors as outlined in this V
35INSTALLATION INSTRUCTIONSVentingNOTICE: To use 2-inch vent pipe, a reducing adapter or bushing will be required.Depending on the size of pipe that i
36VentingINSTALLATION INSTRUCTIONSVenting for Direct-Vent Water Heater (cont.)In the Commonwealth of MassachusettsThe Commonwealth of Massachusetts re
4IMPORTANT SAFETY INFORMATIONWater Supply SafetyDANGERS: • WATER TEMPERATURE SETTINGS – Safety and energy conservation are factors to be considered w
5IMPORTANT SAFETY INFORMATIONWARNINGS: • The installation of gas piping must conform to local utility company requirements and/or in the absence of l
6IMPORTANT SAFETY INFORMATIONBefore operating this water heater, be sure to read and follow the instructions on the label pictured below and all oth
7IMPORTANT SAFETY INFORMATIONElectrical SafetyDANGER: Shock Hazard – Make sure the electrical power to the water heater is off to avoid electric shock
8IMPORTANT SAFETY INFORMATIONGeneral Installation and Maintenance SafetyWARNINGS: • This water heater must be installed in accordance with these inst
9PRODUCT INFORMATIONProduct Information303/8"(772 mm)275/8"(702 mm)33/8"(86 mm)51/2"(140 mm)61/4"(159 mm)177/8"(454 mm)1
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