Rheem 136-1826 To Shut Down, Close all manual gas valves. Turn off electric power

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LIGHTING INSTRUCTIONS FOR HEATERS WITH ELECTRONIC IGNITION (IID)

FOR MODELS WITH AUTOMATIC GAS VALVES 726-1826

1.Close all gas valves. Turn off electric power supply. Wait five (5) minutes.

2.Open manual pilot valve. Turn on electric power. Pilot is automatically lighted.

3.Open main gas valve.

4.Set temperature controls to desired temperature.

TO SHUT DOWN

Close all manual gas valves. Turn off electric power.

PILOT SHUT-OFF VALVE CONTROL SHOWN IN THE

"ON" POSITION

TO PILOT(S)

MAIN GAS SHUT-OFF VALVE SHOWN IN THE "ON" POSITION

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Contents
Electric Code ANSI/NFPA Catalog NO. RM-001Important Warning Index Construction Features Series GB For circulating tank systems Through 1826 MbtuhSpecification Data Page Shipping Installation Regulations ReceivingequipmentWater Flow Water ConditionsBoiler Part BaserequirementsCombustible Floor Base Combustibleconstructionclearances Protected SurfacesCombustion and Ventilation AIR Supply Recommended Minimum AIR OpeningsMODEL181-399 ModelIndoorheaters Models 512MODELS926-1758 Models Heater Before Heater After Drafthood Installation MODELS181-399Page Fig. #7043.1 Power Venting Vent Damper InstallationModels 136 Through 264 Where Required Location OutdoorwaterheatersMounting Normal Operation SummaryGas Natural Propane BTU/CFSP. GR Pipe SizesTest piping as follows Fig.#8185.1GPM NPT WaterCold Water Supply Series with 115 Volt Supply to the Heater TanktemperaturecontrolHOT Water Supply Heater Sequenceofoperation Installation Water Heater PlumbingPiping DIAGRAM-1 Heater 1 Tank Thermostat Supplied Piping DIAGRAM-1 Heater 2 Tank Piping Must be Equal Between Tees and TANKS. NotesPiping DIAGRAM-1 Heater 3 Tank Fig. # 8067-RHEEMPiping DIAGRAM-1 Heater 4 Tank Piping DIAGRAM-2 Heater 1 Tank Special Thermostat and Well Electronicignition Description of Controls in GeneralEnergy Saving Pump Control Highlimit Tankstat Temperature ControlFlow Switch Electrical Single Stage TankstatSTART-UP ON-OFFOPERATIONTIME/TEMPERATURE Relationships in Scalds ScaldingFor Your Safety Read Before Operating Close all manual gas valves. Turn off electric power To Shut DownSix Months Inspectionand MaintenanceproceduresMonthly System Shut Down Procedure Service AssistanceBurner Inspection Venting System InspectionTrouble Shooting Problem If okay replace ignition module Electrical Electronic Ignition IID Models 512 StartWiring Diagram KEY Wiring Diagrams Wiring Diagram Models 331 Wiring Diagram Models 512Wiring Diagram Models Wiring Diagram Models 726Wiring Diagram Model 825 Wiring Diagram Models 962 Fig. # 1967eReplacement Parts Lists Model 136 GB onlyModel 136 GB only Models 181, 264, 331, 399 GB Page Models 181, 264, 331, 399 GB Models 181, 264, 331,339 GB Models 512, 627, 726, 825 GB Models 512, 627, 726, 825 GB Models 512, 627, 726, 825 GB Models 926-1826 GB Models 926-1826 GB Models 926-1826 GB