Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS instruction

Commercial Pool Heaters

LADDER DIAGRAM

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Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS service manual Ladder Diagram

Contents

GAS Heaters for Commercial Pool Applications Commercial Pool Heaters General Product Information Unpacking Commercial Pool Heaters Product Identification Clearances from Combustible Construction Base for Combustible Floors Freeze Protection Combustion Air Filter Installation Combustion Air Options Exhaust Fans Combustion Air from Interior Space Vertical Vent Termination Clearances and Location General InformationVenting Support Sidewall Vent Termination Clearances and Location Table B Sidewall Air Inlet Combustion Air Inlet PipingLength of Air Inlet Pipe Vertical Rooftop Air Inlet Combined Air Inlet Points Negative Draft Vent System OptionsConventional Negative Draft Venting Common Venting Systems Masonry Chimney InstallationsFlue Outlet Piping Vertical DirectAire Venting Inspection of a Masonry Chimney Venting of Flue Products Vent KitsSidewall Venting Sidewall Venting Without Fan Sidewall FanSidewall Venting Termination Masonry Chimney Installation Horizontal DirectAire Venting TABLE-E Direct Venting Combustion Air Inlet Piping Horizontal DV Venting TerminationFlue Pipe Materials Sealing Type-B Doublewall Vent Pipe or Galvanized Vent Pipe Length of Air Inlet PipeAir Inlet Piping Materials Combined Combustion Air Inlet Points Vertical Rooftop Air Inlet Outdoor Installation Venting Outdoor Vent/Air Inlet Location Combustion Air Fan Adjustment for startup 3-Way Valve Cover InstallationGas Pressure Test Outdoor Vent Cap Kit Gas Train and Controls Connecting Gas Piping to the Pool HeaterGas Piping Combination Gas Valves Venting of Combination Gas ValvesChecking Gas Supply Pressure TABLE-J Multiple Unit Installations Gas Supply Pipe Sizing Table K Gas Manifold Pressure Adjustment Measuring Net Manifold Gas Pressure Auxiliary Mixed Water Limit Control Pumped Automatic Bypass Way Valve Cover Heater is Within 15 Feet of Pool Piping Heaters are within 15 feet Perpendicular of Pool Piping Automatic Chlorinator and Chemical Feeders Water Flow SwitchRelief Valve Way Automatic Bypass Valve Wiring Pump Purge Delay OptionService Indicator Option Terminal Strip Connection Options TABLE-M Operation Lighting Instructions Starting the Filter System Pre-Start ChecklistTo Turn Off Gas To Pool Heater Operation Programming Mode Error Messages Displayed by the Temperature Controller Diagnostic Status Indication Hot Surface Igniter and Ignition Control ModuleHot Surface Ignition Control Module Ignition Module Lockout Functions Ignition and Control Timings Access to Internal Control PanelTABLE-N Water Chemistry TABLE-O TABLE-P Test Recommended Level Pipe Size Requirements Circulating PumpMinimum Pump Performance Heat Exchanger High Water Temperature Limit Control Flue Gas Passageways Cleaning ProceduresAppliance Area Water Circulating Pump Burner Removal and Cleaning Heat Exchanger CleaningElectrical Combustion and Ventilation Air Adjusting Differential Air Pressure Fan CleaningCombustion Air Fan Adjustment Set-Up Procedure Ignition System Checkout Adjustment ProcedureServicing Hot Surface Igniter and Ignition Module Sequence of Operation Glossary Prepurge Wiring BOX Connections Wiring BOX Connections Ladder Diagram Control BOX Connections Commercial Pool Heaters Appendix a Appendix B View Menu Item Menu Description