Raypak P-926, P-1826, P-4001, P-2100 manual Wiring Diagram-Models

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Wiring Diagram—Models 2100–2500

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Contents Raytherm Commercial Swimming Pool Heater INSTALLATION & OPERATING INSTRUCTIONSModels P-926to P-1826 & P-2100to P-4001 Corrosive water voids all warranties CONTENTS Pay Attention to These Terms WARNINGSDANGER Base Installation RECEIVING EQUIPMENT INSTALLATIONGENERAL SPECIFICATIONS Code RequirementsIndoor Heaters ClearancesCombustion Air Indoor Units Only Outdoor HeatersDrafthood Indoor Models Venting ConnectionsVent Piping Gas Supply Connections Gas Pressure Regulator1-1/4” Venting of Diaphragm Gas ComponentsModel 1-1/2”CONTROLS Flow SwitchWater Connections Unitherm Governor Operation Water Pressure SwitchAutomatic Chlorinators and Chemical Feeders Companion Flange Connections ModelsMinimum Model NoConnection Model No. Loop* Flow Rates Heater Flow2.Lace metal strapping or clamps, NOT PROVID- ED through the ¾” slots on the cover and fasten securely to pipe as shown in Fig. 15 & 16. Do not over-tightenclamps HEATER Models 0926 thru 1223 with UG BLENDEDWATER TEMPERATURE RECOMMENDED FIELD INSTALLEDISOLATION VALVESFORSERVICE THERMOMETERATHEATERINLETModels 2100 thru HEATEROUTLETTEMPERATURETHERMOMETER926-1223Models Only External Auxiliary Bypass Valve Where RequiredAuxiliary Bypass Valve Adjustment Temperature ControlsLow Water Cutoff Electrical WiringHigh & Low Gas Pressure Switches Electronic IgnitionWiring Diagram-Models Wiring Diagram-Models Wiring Diagram-Models Wiring Diagram-Models SERVICING Pressure SwitchPressure Switch Adjustment General Location Of ControlsTwo-SpeedPumps START-UP PROCEDURESPilot Safety Before Start-UpAfter Start-Up INSPECTION PROCEDURESBurners Burner Drawer Removal SERVICING PROCEDURESTube Cleaning Procedure Typical Gas Valve RemovalMain Burner and Orifice Removal Pilot Removal and CleaningHeat Exchanger Reassembly Heat Exchanger RemovalProcedure For Cleaning Flue Gas Passageways Control Well ReplacementTube Replacement Procedure Combustion Chamber RemovalUNITHERM GOVERNOR WITH POWER ELEMENT MAINTENANCE AND CAREUnitherm Governor Replacement INLET/OUTLET HEADER OUTLET INLET GASKETWinterizing Your Heater MECHANICAL FOR QUALIFIED SERVICE PERSONNEL ONLY TROUBLESHOOTINGIMPORTANT NOTICE Clean filter or refer to heater sizing chartReset time clock Refer to installation instructionsELECTRICAL ELECTRONIC IGNITION IID IID TROUBLESHOOTING HONEYWELL S8600Intermittent Pilot System STARTADDITIONAL WARRANTY EXCLUSIONS LIMITED WARRANTY RAYTHERM TYPE P SIZESHEAT EXCHANGER WARRANTY PARTS REPLACEMENT