Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS manual

Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax 615-547-1000

www.Lochinvar.com

6/06-Printed in U.S.A.

Image 60

Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS service manual

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 General Information Venting SupportVertical Vent Termination Clearances and Location Sidewall Vent Termination Clearances and Location Table B Combustion Air Inlet Piping Length of Air Inlet PipeSidewall Air Inlet Vertical Rooftop Air Inlet Combined Air Inlet Points Vent System Options Conventional Negative Draft VentingNegative Draft Masonry Chimney Installations Flue Outlet PipingCommon Venting Systems Vertical DirectAire Venting Inspection of a Masonry Chimney Vent Kits Sidewall VentingVenting of Flue Products Sidewall Fan Sidewall Venting TerminationSidewall Venting Without Fan Masonry Chimney Installation Horizontal DirectAire Venting TABLE-E Direct Venting Horizontal DV Venting Termination Flue Pipe MaterialsCombustion Air Inlet Piping Length of Air Inlet Pipe Air Inlet Piping MaterialsSealing Type-B Doublewall Vent Pipe or Galvanized Vent Pipe 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 Connecting Gas Piping to the Pool Heater Gas PipingGas Train and Controls 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 Water Flow Switch Relief ValveAutomatic Chlorinator and Chemical Feeders Pump Purge Delay Option Service Indicator OptionWay Automatic Bypass Valve Wiring Terminal Strip Connection Options TABLE-M Operation Lighting Instructions Pre-Start Checklist To Turn Off Gas To Pool HeaterStarting the Filter System 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 Access to Internal Control Panel TABLE-NIgnition and Control Timings 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 Adjustment Procedure Servicing Hot Surface Igniter and Ignition ModuleIgnition System Checkout 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