Raypak P-1826, P-4001, P-926, P-2100 manual Gas Supply Connections, Gas Pressure Regulator

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 RECEIVING EQUIPMENT INSTALLATION GENERAL SPECIFICATIONSBase Installation Code RequirementsClearances Combustion Air Indoor Units OnlyIndoor Heaters Outdoor HeatersVent Piping Venting ConnectionsDrafthood Indoor Models Gas Supply Connections Gas Pressure RegulatorVenting of Diaphragm Gas Components Model1-1/4” 1-1/2”Water Connections Flow SwitchCONTROLS Water Pressure Switch Automatic Chlorinators and Chemical FeedersUnitherm Governor Operation Companion Flange Connections ModelsModel No ConnectionMinimum 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 RECOMMENDED FIELD INSTALLED ISOLATION VALVESFORSERVICEBLENDEDWATER TEMPERATURE THERMOMETERATHEATERINLETModels 2100 thru HEATEROUTLETTEMPERATURETHERMOMETERExternal Auxiliary Bypass Valve Where Required Auxiliary Bypass Valve Adjustment926-1223Models Only Temperature ControlsElectrical Wiring High & Low Gas Pressure SwitchesLow Water Cutoff Electronic IgnitionWiring Diagram-Models Wiring Diagram-Models Wiring Diagram-Models Wiring Diagram-Models Pressure Switch Pressure Switch AdjustmentSERVICING General Location Of ControlsSTART-UP PROCEDURES Pilot SafetyTwo-SpeedPumps Before Start-UpBurners INSPECTION PROCEDURESAfter Start-Up SERVICING PROCEDURES Tube Cleaning Procedure TypicalBurner Drawer Removal Gas Valve RemovalPilot Removal and Cleaning Heat Exchanger ReassemblyMain Burner and Orifice Removal Heat Exchanger RemovalControl Well Replacement Tube Replacement ProcedureProcedure For Cleaning Flue Gas Passageways Combustion Chamber RemovalMAINTENANCE AND CARE Unitherm Governor ReplacementUNITHERM GOVERNOR WITH POWER ELEMENT INLET/OUTLET HEADER OUTLET INLET GASKETWinterizing Your Heater IMPORTANT NOTICE TROUBLESHOOTINGMECHANICAL FOR QUALIFIED SERVICE PERSONNEL ONLY or refer to heater sizing chart Reset time clockClean filter Refer to installation instructionsTROUBLESHOOTING HONEYWELL S8600 Intermittent Pilot SystemELECTRICAL ELECTRONIC IGNITION IID IID STARTLIMITED WARRANTY RAYTHERM TYPE P SIZES HEAT EXCHANGER WARRANTYADDITIONAL WARRANTY EXCLUSIONS PARTS REPLACEMENT