Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS manual

Installation and Service Manual

PRODUCT

IDENTIFICATION

Figure 1A - Standard Horizontal Piping Loop

Figure 1B - Optional Vertical Piping Loop

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Image 5

Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS service manual Product Identification

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 Vertical Vent Termination Clearances and Location General InformationVenting Support Table B Sidewall Vent Termination Clearances and Location Sidewall Air Inlet Combustion Air Inlet PipingLength of Air Inlet Pipe Combined Air Inlet Points Vertical Rooftop Air Inlet Negative Draft Vent System OptionsConventional Negative Draft Venting Common Venting Systems Masonry Chimney InstallationsFlue Outlet Piping Inspection of a Masonry Chimney Vertical DirectAire Venting Venting of Flue Products Vent KitsSidewall Venting Sidewall Venting Without Fan Sidewall FanSidewall Venting Termination Masonry Chimney Installation TABLE-E Horizontal DirectAire Venting 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 Vertical Rooftop Air Inlet Combined Combustion Air Inlet Points Outdoor Vent/Air Inlet Location Outdoor Installation Venting 3-Way Valve Cover Installation Combustion Air Fan Adjustment for startupGas Pressure Test Outdoor Vent Cap Kit Gas Train and Controls Connecting Gas Piping to the Pool HeaterGas Piping Venting of Combination Gas Valves Combination Gas ValvesChecking Gas Supply Pressure TABLE-J 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 Automatic Chlorinator and Chemical Feeders Water Flow SwitchRelief Valve Way Automatic Bypass Valve Wiring Pump Purge Delay OptionService Indicator Option TABLE-M Terminal Strip Connection Options Lighting Instructions Operation Starting the Filter System Pre-Start ChecklistTo Turn Off Gas To Pool Heater Operation Error Messages Displayed by the Temperature Controller Programming Mode Hot Surface Igniter and Ignition Control Module Diagnostic Status IndicationHot Surface Ignition Control Module Ignition Module Lockout Functions Ignition and Control Timings Access to Internal Control PanelTABLE-N TABLE-O Water Chemistry Test Recommended Level TABLE-P Circulating Pump Pipe Size RequirementsMinimum Pump Performance Heat Exchanger Flue Gas Passageways Cleaning Procedures High Water Temperature Limit ControlAppliance Area Water Circulating Pump Heat Exchanger Cleaning Burner Removal and CleaningElectrical Combustion and Ventilation Air Fan Cleaning Adjusting Differential Air PressureCombustion 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 View Menu Item Menu Description Appendix B