Manuals / Lochinvar / Household Appliance / Water Heater

Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS service manual Product Identification

Models: GAS HEATER FOR COMMERICAL POOL APPLICATIONS

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Installation and Service Manual

PRODUCT

IDENTIFICATION

Figure 1A - Standard Horizontal Piping Loop

Figure 1B - Optional Vertical Piping Loop

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Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS Product Identification, Installation and Service Manual

Contents

Save this manual for future reference INSTALLATION AND SERVICE MANUALWHAT TO DO IF YOU SMELL GAS •Do not try to light any applianceCommercial Pool Heaters Table of ContentsTable of Contents Safety InformationSAFETY INFORMATION Installation and Service ManualWarranty GENERAL PRODUCT INFORMATION•do not try to light any appliance Commercial Pool HeatersInstallation and Service Manual PRODUCT IDENTIFICATIONFigure 1A - Standard Horizontal Piping Loop Figure 1B - Optional Vertical Piping LoopClearances from Combustible Construction INSTALLATIONBase for Combustible Floors Commercial Pool HeatersCOMBUSTION AND VENTILATION AIR FREEZE PROTECTIONTABLE - A COMBUSTIBLE FLOOR KITS Input Btu/hrCombustion Air Options INSTALLATION ContinuedOne Opening Two OpeningsInstallation and Service Manual Exhaust Fans2. Outside Combustion Air, Using Ducts 3. Outside Combustion Air, Using Direct VentingGeneral Information VENTINGVenting Support Vertical Vent Termination Clearances and LocationTABLE - B Flue and Air Inlet Pipe Sizes Sidewall Vent Termination Clearances and LocationInstallation and Service Manual Length of Air Inlet Pipe Combustion Air Inlet PipingSidewall Air Inlet INSTALLATION ContinuedCombined Air Inlet Points Vertical Rooftop Air InletClearances Installation and Service Manual1.Conventional Negative Draft Venting Vent System OptionsNegative Draft INSTALLATION ContinuedInstallation and Service Manual Flue Outlet PipingMasonry Chimney Installations Common Venting SystemsDraft Venting, page 2. Vertical DirectAire VentingINSTALLATION Continued Commercial Pool Heaters3. Sidewall Venting Vent KitsVenting of Flue Products Installation and Service ManualSidewall Fan Drain Tee InstallationSidewall Venting Termination Sidewall Venting Without FanFigure 22B – Sidewall Venting Masonry Chimney InstallationInstallation and Service Manual Clearances and Location page 4. Horizontal DirectAire VentingINSTALLATION Continued Commercial Pool HeatersInstallation and Service Manual 5. Direct VentingDrain Tee Installation Flue Outlet PipingMasonry Chimney Installation INSTALLATION ContinuedCommercial Pool Heaters Vertical DV Venting TerminationFigure 24 – Attaching DV Box Adapter to Unit Installation and Service ManualFigure 26 – Vertical Rooftop Air Inlet INSTALLATION ContinuedCommercial Pool Heaters Multiple Sidewall Direct Vent Installations 6. Outdoor Installation VentingVertical Combustion Air Inlet Clearances Horizontal Combustion Air Inlet ClearancesCONNECTING TO GAS SUPPLY Combustion Air Fan Adjustment for startupGas Pressure Test INSTALLATION ContinuedGas Piping Connecting Gas Piping to the Pool HeaterGas Train and Controls Installation and Service ManualVenting of Combination Gas Valves Combination Gas ValvesChecking Gas Supply Pressure TABLE-JInstallation and Service Manual TABLE - KWARNING: After completing any testing on Combination Gas ValveMaintenance, page 49 for Combustion Air Fan Gas Manifold Pressure AdjustmentAdjustment Follow the procedure to adjust theAuxiliary Mixed Water Limit Control POOL HEATER PIPING INSTALLATIONPumped Automatic Bypass Installation and Service ManualFigure 33 – 3-WayValve Cover Connection Diagram INSTALLATION ContinuedCommercial Pool Heaters Figure 32 – 3-WayValve CoverFigure 34 - Heater is Within 15 Feet of Pool Piping Installation and Service ManualFigure 36 - Heaters are within 15 feet Perpendicular of Pool Piping INSTALLATION ContinuedCommercial Pool Heaters Relief Valve Water Flow SwitchAutomatic Chlorinator and Chemical Feeders Installation and Service ManualCONNECTING TO ELECTRICAL SUPPLY PUMP PURGE / MAINTENANCE TIMER OPTIONPump Purge Delay Option Service Indicator OptionInstallation and Service Manual TABLE-M Remote Wire ConnectionTerminal Strip Connection Options OPERATION FOR YOUR SAFETY READ BEFORE OPERATINGLighting Instructions INSTALLATION ContinuedTo Turn Off Gas To Pool Heater Pre-StartChecklistStarting the Filter System Commercial Pool HeatersCommercial Pool Heaters OPERATING TEMPERATURE CONTROLOPERATION Continued Installation and Service Manual Programming ModeHot Surface Igniter and Ignition Control Module HOT SURFACE IGNITION SYSTEMHot Surface Ignition Control Module Commercial Pool HeatersTABLE-N Ignition Control Diagnostic Codes Access to Internal Control PanelRemoving the Control Panel Hot Surface Ignition Module Timings NominalTABLE-O Status LED Diagnostic Codes OPERATION AND DIAGNOSTIC INDICATORSWater Chemistry Commercial Pool HeatersTABLE-P Recommended Water Chemistry TABLE-Q AMP Draw DataTest Recommended LevelPipe Size Requirements TABLE-R Pipe Sizing ChartCirculating Pump Minimum Pump PerformanceHigh Water Temperature Limit Control CLEANING AND MAINTENANCEFlue Gas Passageways Cleaning Procedures Appliance AreaBurner Removal and Cleaning CLEANING AND MAINTENANCE ContinuedHeat Exchanger Cleaning ElectricalInstallation and Service Manual Adjusting Differential Air PressureServicing Hot Surface Igniter and Ignition Module Adjustment ProcedureIgnition System Checkout CLEANING AND MAINTENANCE ContinuedInstallation and Service Manual SEQUENCE OF OPERATIONENERGY SAVING RECOMMENDATIONS Commercial Pool Heaters GLOSSARYPREPURGE Installation and Service ManualIGNITER WARM-UPAND PROVING IGNITERCommercial Pool Heaters WIRING BOX CONNECTIONSWIRING BOX CONNECTIONS Installation and Service ManualCommercial Pool Heaters LADDER DIAGRAMInstallation and Service Manual CONTROL BOX CONNECTIONSCommercial Pool Heaters Unit Start Up ChecklistAppendix A Adjust Menu Settings for Operating Modes Installation and Service Manual Appendix BAdvanced settings View Menu Information6/06-Printedin U.S.A