Raypak 336A, 406A, 206A, 407A, 337A, 207A, 267A, 266A Wiring Diagram Millivolt Mechanical Thermostat

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WIRING DIAGRAM - MILLIVOLT (MECHANICAL THERMOSTAT)

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Contents Installation and Operating Instructions What to do if YOU Smell GASWater Chemistry MaximumContents For Your Safety Read Before Operating START-UP ProceduresBefore START-UP Burners Water Millivolt System Operating Instructions and SHUT-OFF Procedures SHUT-OFF ProceduresElectronic Ignition System Automatically Lighted PilotAfter START-UP Water Pressure SwitchVisual Inspection Atmospheric Heaters Maintenance and Care Procedures See plumbing diagramIf Heater will not Fire Pool & SPA Water ChemistryCold Weather Operation Important Freeze InformationWinterizing the Pool & SPA Heater Part TWO Installation and Service Instructions Receiving EquipmentGeneral Specifications Installation InstructionsImportant Notice Code RequirementsOutdoor Installation Outdoor Heater InstallationClearances ALL Heaters10 ft Florida Building Code Wind Speed = 150 MPH, 3 Second Gust Exposure = CIndoor Heater Installation Outdoor Stack Indoor StackSpecifications and Dimensions Atmospheric UnitsLow NOx Units Power Vent Kit Model Part No Combustion and Ventilation AIR Indoor Units OnlyModel Square Inches Vent PipingB149.1 and B149.2 GAS Supply ConnectionsGAS Pressure Regulator GAS Pressure Adjustment LocationsPipe Sizing for GAS Connections Flow Rates Plumbing for Water ConnectionsPolymer Headers Cast Iron Headers Asme INLET/OUTLET Header Polymer Cast Iron Headers Asme ModelsINLET/OUTLET Header Asme Unitherm Governor OperationAuxiliary Bypass Valve Adjustment External Auxiliary Bypass ValveCast Iron Header Asme Models Heat Exchanger Reversal Procedure Standard Models Fig. #4Electrical Wiring Millivolt ModelsDigital Models Atmospheric120V Atmospheric Heater Transformer Wiring VAC Wiring240V Atmospheric Heater Wiring Diagram Millivolt Mechanical Thermostat Wiring Diagram Digital Models Atmospheric Wiring Diagram Digital Models LOW NOx General Location of Controls Atmospheric Servicing InstructionsLOW NOx Control Adjustments Millivolt Models Control Adjustments Digital ModelsControl Panel Removal Digital Thermostat Controls Thermostat Control OperationSETdef Default Settings RESfl Reset Fault HistoryProgram Button Cfff Fahrenheit to CelsiusDiagnostics Reading a Fault Fault CodesStatus Codes Program Modes Display DefinitionRemote Operation Remote Control Installation and OperationActivating the Remote Remote Control Wiring Wire Remote Control On-OffFlame ROLL-OUT Safety Switch Pilot Safety Millivolt ModelsPilot Safety Digital Models High LimitsPilot Removal and Cleaning Burner Tray RemovalGAS Valve Removal Main Burner and Orifice RemovalTube Cleaning Procedure Desooting ProcedureImmersion Well Replacement Unitherm Governor U.G. ReplacementBlower Adjustment LOW NOx Pool HeatersOperation Visual InspectionPilot Removal Combustion Blower RemovalTroubleshooting MechanicalPage Electrical Electronic Ignition IID For qualified technicians onlyDigital Control Logic Flow Chart YESManufacturer Replacement PartsEastman Avenue OXNARD, CA Atmospheric Heaters LOW NOx Heaters IID LOW NOx Pilot Call OUT Description Call OUT Description Sheetmetal Call OUT Description 267A