Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS service manual Wiring BOX Connections

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Installation and Service Manual

WIRING BOX CONNECTIONS

55

Page 54 Page 56
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Page 54 Page 56
Contents GAS Heaters for Commercial Pool Applications Commercial Pool Heaters Unpacking General Product InformationCommercial Pool Heaters Product Identification Base for Combustible Floors Clearances from Combustible ConstructionCombustion Air Filter Freeze ProtectionCombustion Air Options InstallationCombustion Air from Interior Space Exhaust FansVenting Support General InformationVertical Vent Termination Clearances and Location Table B Sidewall Vent Termination Clearances and LocationLength of Air Inlet Pipe Combustion Air Inlet PipingSidewall Air Inlet Combined Air Inlet Points Vertical Rooftop Air InletConventional Negative Draft Venting Vent System OptionsNegative Draft Flue Outlet Piping Masonry Chimney InstallationsCommon Venting Systems Inspection of a Masonry Chimney Vertical DirectAire VentingSidewall Venting Vent KitsVenting of Flue Products Sidewall Venting Termination Sidewall FanSidewall Venting Without Fan Masonry Chimney Installation TABLE-E Horizontal DirectAire VentingDirect Venting Flue Pipe Materials Horizontal DV Venting TerminationCombustion Air Inlet Piping Air Inlet Piping Materials Length of Air Inlet PipeSealing Type-B Doublewall Vent Pipe or Galvanized Vent Pipe Vertical Rooftop Air Inlet Combined Combustion Air Inlet PointsOutdoor Vent/Air Inlet Location Outdoor Installation VentingOutdoor Vent Cap Kit Combustion Air Fan Adjustment for startup3-Way Valve Cover Installation Gas Pressure TestGas Piping Connecting Gas Piping to the Pool HeaterGas Train and Controls TABLE-J Combination Gas ValvesVenting of Combination Gas Valves Checking Gas Supply PressureTable K Multiple Unit Installations Gas Supply Pipe SizingMeasuring Net Manifold Gas Pressure Gas Manifold Pressure AdjustmentPumped Automatic Bypass Auxiliary Mixed Water Limit ControlWay Valve Cover Heater is Within 15 Feet of Pool Piping Heaters are within 15 feet Perpendicular of Pool Piping Relief Valve Water Flow SwitchAutomatic Chlorinator and Chemical Feeders Service Indicator Option Pump Purge Delay OptionWay Automatic Bypass Valve Wiring TABLE-M Terminal Strip Connection OptionsLighting Instructions OperationTo Turn Off Gas To Pool Heater Pre-Start ChecklistStarting the Filter System Operation Error Messages Displayed by the Temperature Controller Programming ModeIgnition Module Lockout Functions Diagnostic Status IndicationHot Surface Igniter and Ignition Control Module Hot Surface Ignition Control ModuleTABLE-N Access to Internal Control PanelIgnition and Control Timings TABLE-O Water ChemistryTest Recommended Level TABLE-PHeat Exchanger Pipe Size RequirementsCirculating Pump Minimum Pump PerformanceWater Circulating Pump High Water Temperature Limit ControlFlue Gas Passageways Cleaning Procedures Appliance AreaCombustion and Ventilation Air Burner Removal and CleaningHeat Exchanger Cleaning ElectricalSet-Up Procedure Adjusting Differential Air PressureFan Cleaning Combustion Air Fan AdjustmentServicing Hot Surface Igniter and Ignition Module Adjustment ProcedureIgnition System Checkout Sequence of Operation Glossary Prepurge Wiring BOX Connections Wiring BOX Connections Ladder Diagram Control BOX Connections Commercial Pool Heaters Appendix a View Menu Item Menu Description Appendix B
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