Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS manual

Installation and Service Manual

WIRING BOX CONNECTIONS

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

Contents

GAS Heaters for Commercial Pool Applications Commercial Pool Heaters Unpacking General Product Information Commercial Pool Heaters Product Identification Base for Combustible Floors Clearances from Combustible Construction Combustion Air Filter Freeze Protection Combustion Air Options Installation Combustion Air from Interior Space Exhaust Fans Venting Support General InformationVertical Vent Termination Clearances and Location Table B Sidewall Vent Termination Clearances and Location Length of Air Inlet Pipe Combustion Air Inlet PipingSidewall Air Inlet Combined Air Inlet Points Vertical Rooftop Air Inlet Conventional Negative Draft Venting Vent System OptionsNegative Draft Flue Outlet Piping Masonry Chimney InstallationsCommon Venting Systems Inspection of a Masonry Chimney Vertical DirectAire Venting Sidewall Venting Vent KitsVenting of Flue Products Sidewall Venting Termination Sidewall FanSidewall Venting Without Fan Masonry Chimney Installation TABLE-E Horizontal DirectAire Venting Direct 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 Points Outdoor Vent/Air Inlet Location Outdoor Installation Venting Outdoor Vent Cap Kit Combustion Air Fan Adjustment for startup3-Way Valve Cover Installation Gas Pressure Test Gas Piping Connecting Gas Piping to the Pool HeaterGas Train and Controls TABLE-J Combination Gas ValvesVenting of Combination Gas Valves Checking Gas Supply Pressure Table K Multiple Unit Installations Gas Supply Pipe Sizing Measuring Net Manifold Gas Pressure Gas Manifold Pressure Adjustment Pumped Automatic Bypass Auxiliary Mixed Water Limit Control Way 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 Options Lighting Instructions Operation To Turn Off Gas To Pool Heater Pre-Start ChecklistStarting the Filter System Operation Error Messages Displayed by the Temperature Controller Programming Mode Ignition Module Lockout Functions Diagnostic Status IndicationHot Surface Igniter and Ignition Control Module Hot Surface Ignition Control Module TABLE-N Access to Internal Control PanelIgnition and Control Timings TABLE-O Water Chemistry Test Recommended Level TABLE-P Heat Exchanger Pipe Size RequirementsCirculating Pump Minimum Pump Performance Water Circulating Pump High Water Temperature Limit ControlFlue Gas Passageways Cleaning Procedures Appliance Area Combustion and Ventilation Air Burner Removal and CleaningHeat Exchanger Cleaning Electrical Set-Up Procedure Adjusting Differential Air PressureFan Cleaning Combustion Air Fan Adjustment Servicing 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