Raypak P-926, P-1826, P-4001, P-2100 manual Corrosive water voids all warranties

Contents Models P-926to P-1826 & P-2100to P-4001 INSTALLATION & OPERATING INSTRUCTIONSRaytherm Commercial Swimming Pool Heater Corrosive water voids all warranties CONTENTS DANGER WARNINGSPay Attention to These Terms Base Installation RECEIVING EQUIPMENT INSTALLATIONGENERAL SPECIFICATIONS Code RequirementsIndoor Heaters ClearancesCombustion Air Indoor Units Only Outdoor HeatersVent Piping Venting ConnectionsDrafthood Indoor Models Gas Supply Connections Gas Pressure Regulator1-1/4” Venting of Diaphragm Gas ComponentsModel 1-1/2”Water Connections Flow SwitchCONTROLS 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-UpBurners INSPECTION PROCEDURESAfter Start-Up 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 IMPORTANT NOTICE TROUBLESHOOTINGMECHANICAL FOR QUALIFIED SERVICE PERSONNEL ONLY 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