Manuals / Lochinvar / Household Appliance / Water Heater

Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS Installation and Service Manual

Models: GAS HEATER FOR COMMERICAL POOL APPLICATIONS

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Installation and Service Manual

WIRING BOX CONNECTIONS

Page 55

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Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS Installation and Service Manual, Wiring Box Connections

Contents

•Do not try to light any appliance INSTALLATION AND SERVICE MANUALSave this manual for future reference WHAT TO DO IF YOU SMELL GASSafety Information Table of ContentsCommercial Pool Heaters Table of ContentsGENERAL PRODUCT INFORMATION Installation and Service ManualSAFETY INFORMATION Warranty•do not try to light any appliance Commercial Pool HeatersFigure 1B - Optional Vertical Piping Loop PRODUCT IDENTIFICATIONInstallation and Service Manual Figure 1A - Standard Horizontal Piping LoopCommercial Pool Heaters INSTALLATIONClearances from Combustible Construction Base for Combustible FloorsInput Btu/hr FREEZE PROTECTIONCOMBUSTION AND VENTILATION AIR TABLE - A COMBUSTIBLE FLOOR KITSTwo Openings INSTALLATION ContinuedCombustion Air Options One Opening3. Outside Combustion Air, Using Direct Venting Exhaust FansInstallation and Service Manual 2. Outside Combustion Air, Using DuctsVertical Vent Termination Clearances and Location VENTINGGeneral Information Venting SupportInstallation and Service Manual Sidewall Vent Termination Clearances and LocationTABLE - B Flue and Air Inlet Pipe Sizes INSTALLATION Continued Combustion Air Inlet PipingLength of Air Inlet Pipe Sidewall Air InletInstallation and Service Manual Vertical Rooftop Air InletCombined Air Inlet Points ClearancesINSTALLATION Continued Vent System Options1.Conventional Negative Draft Venting Negative DraftCommon Venting Systems Flue Outlet PipingInstallation and Service Manual Masonry Chimney InstallationsCommercial Pool Heaters 2. Vertical DirectAire VentingDraft Venting, page INSTALLATION ContinuedInstallation and Service Manual Vent Kits3. Sidewall Venting Venting of Flue ProductsSidewall Venting Without Fan Drain Tee InstallationSidewall Fan Sidewall Venting TerminationInstallation and Service Manual Masonry Chimney InstallationFigure 22B – Sidewall Venting Commercial Pool Heaters 4. Horizontal DirectAire VentingClearances and Location page INSTALLATION ContinuedFlue Outlet Piping 5. Direct VentingInstallation and Service Manual Drain Tee InstallationVertical DV Venting Termination INSTALLATION ContinuedMasonry Chimney Installation Commercial Pool HeatersFigure 24 – Attaching DV Box Adapter to Unit Installation and Service ManualCommercial Pool Heaters INSTALLATION ContinuedFigure 26 – Vertical Rooftop Air Inlet Horizontal Combustion Air Inlet Clearances 6. Outdoor Installation VentingMultiple Sidewall Direct Vent Installations Vertical Combustion Air Inlet ClearancesINSTALLATION Continued Combustion Air Fan Adjustment for startupCONNECTING TO GAS SUPPLY Gas Pressure TestInstallation and Service Manual Connecting Gas Piping to the Pool HeaterGas Piping Gas Train and ControlsTABLE-J Combination Gas ValvesVenting of Combination Gas Valves Checking Gas Supply PressureCombination Gas Valve TABLE - KInstallation and Service Manual WARNING: After completing any testing onFollow the procedure to adjust the Gas Manifold Pressure AdjustmentMaintenance, page 49 for Combustion Air Fan AdjustmentInstallation and Service Manual POOL HEATER PIPING INSTALLATIONAuxiliary Mixed Water Limit Control Pumped Automatic BypassFigure 32 – 3-WayValve Cover INSTALLATION ContinuedFigure 33 – 3-WayValve Cover Connection Diagram Commercial Pool HeatersFigure 34 - Heater is Within 15 Feet of Pool Piping Installation and Service ManualCommercial Pool Heaters INSTALLATION ContinuedFigure 36 - Heaters are within 15 feet Perpendicular of Pool Piping Installation and Service Manual Water Flow SwitchRelief Valve Automatic Chlorinator and Chemical FeedersService Indicator Option PUMP PURGE / MAINTENANCE TIMER OPTIONCONNECTING TO ELECTRICAL SUPPLY Pump Purge Delay OptionTerminal Strip Connection Options TABLE-M Remote Wire ConnectionInstallation and Service Manual INSTALLATION Continued FOR YOUR SAFETY READ BEFORE OPERATINGOPERATION Lighting InstructionsCommercial Pool Heaters Pre-StartChecklistTo Turn Off Gas To Pool Heater Starting the Filter SystemOPERATION Continued OPERATING TEMPERATURE CONTROLCommercial Pool Heaters Installation and Service Manual Programming ModeCommercial Pool Heaters HOT SURFACE IGNITION SYSTEMHot Surface Igniter and Ignition Control Module Hot Surface Ignition Control ModuleHot Surface Ignition Module Timings Nominal Access to Internal Control PanelTABLE-N Ignition Control Diagnostic Codes Removing the Control PanelCommercial Pool Heaters OPERATION AND DIAGNOSTIC INDICATORSTABLE-O Status LED Diagnostic Codes Water ChemistryRecommended Level TABLE-Q AMP Draw DataTABLE-P Recommended Water Chemistry TestMinimum Pump Performance TABLE-R Pipe Sizing ChartPipe Size Requirements Circulating PumpAppliance Area CLEANING AND MAINTENANCEHigh Water Temperature Limit Control Flue Gas Passageways Cleaning ProceduresElectrical CLEANING AND MAINTENANCE ContinuedBurner Removal and Cleaning Heat Exchanger CleaningInstallation and Service Manual Adjusting Differential Air PressureCLEANING AND MAINTENANCE Continued Adjustment ProcedureServicing Hot Surface Igniter and Ignition Module Ignition System CheckoutENERGY SAVING RECOMMENDATIONS SEQUENCE OF OPERATIONInstallation and Service Manual Commercial Pool Heaters GLOSSARYIGNITER Installation and Service ManualPREPURGE IGNITER WARM-UPAND PROVINGCommercial Pool Heaters WIRING BOX CONNECTIONSWIRING BOX CONNECTIONS Installation and Service ManualCommercial Pool Heaters LADDER DIAGRAMInstallation and Service Manual CONTROL BOX CONNECTIONSAppendix A Unit Start Up ChecklistCommercial Pool Heaters View Menu Information Installation and Service Manual Appendix BAdjust Menu Settings for Operating Modes Advanced settings6/06-Printedin U.S.A