Lochinvar GAS HEATER FOR COMMERICAL POOL APPLICATIONS service manual Commercial Pool Heaters

Page 4

Commercial Pool Heaters

do not try to light any appliance

do not touch any electrical switch; do not use any phone in your building

immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions

if you cannot reach your gas supplier, call the fire department

6.This appliance is a high efficiency pool heater which has been designed to operate scale-free and trouble free for many years. Particular attention should be directed to the following items.

Correct piping to the pool filter system with specified pipe materials and size.

Electrical interconnection of the pool heater controls, bypass pump and filter pump to ensure continuous circulation.

Proper venting.

Water chemistry.

7.Follow all clearances from combustibles contained in this manual.

8.Appliance surfaces become hot during operation. Be careful not to touch hot surfaces. Keep all adults, children, and animals away from an operating pool heater. Severe burns can occur.

9.This pool heater must have an adequate supply of fresh air during operation for proper gas combustion and venting.

10.Make sure all exhaust venting is properly installed and maintained. Improper venting of this pool heater could lead to increased levels of carbon monoxide.

11.Do not use this pool heater if any part has been under water. Immediately call a qualified service technician to replace the pool heater. The possible damage to a flooded pool heater can be extensive and present numerous safety hazards. Any appliance that has been under water must be replaced.

12.Do not alter this pool heater in any way. Any change to this pool heater or its controls can be dangerous.

4

Image 4
Contents GAS Heaters for Commercial Pool Applications Commercial Pool Heaters General Product Information UnpackingCommercial Pool Heaters Product Identification Clearances from Combustible Construction Base for Combustible FloorsFreeze Protection Combustion Air FilterInstallation Combustion Air OptionsExhaust Fans Combustion Air from Interior SpaceVenting Support General InformationVertical Vent Termination Clearances and Location Sidewall Vent Termination Clearances and Location Table BLength of Air Inlet Pipe Combustion Air Inlet PipingSidewall Air Inlet Vertical Rooftop Air Inlet Combined Air Inlet PointsConventional Negative Draft Venting Vent System OptionsNegative Draft Flue Outlet Piping Masonry Chimney InstallationsCommon Venting Systems Vertical DirectAire Venting Inspection of a Masonry ChimneySidewall Venting Vent KitsVenting of Flue Products Sidewall Venting Termination Sidewall FanSidewall Venting Without Fan Masonry Chimney Installation Horizontal DirectAire Venting TABLE-EDirect 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 Combined Combustion Air Inlet Points Vertical Rooftop Air InletOutdoor Installation Venting Outdoor Vent/Air Inlet LocationCombustion Air Fan Adjustment for startup 3-Way Valve Cover InstallationGas Pressure Test Outdoor Vent Cap KitGas Piping Connecting Gas Piping to the Pool HeaterGas Train and Controls Combination Gas Valves Venting of Combination Gas ValvesChecking Gas Supply Pressure TABLE-JMultiple Unit Installations Gas Supply Pipe Sizing Table KGas Manifold Pressure Adjustment Measuring Net Manifold Gas PressureAuxiliary Mixed Water Limit Control Pumped Automatic BypassWay 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 Terminal Strip Connection Options TABLE-MOperation Lighting InstructionsTo Turn Off Gas To Pool Heater Pre-Start ChecklistStarting the Filter System Operation Programming Mode Error Messages Displayed by the Temperature ControllerDiagnostic Status Indication Hot Surface Igniter and Ignition Control ModuleHot Surface Ignition Control Module Ignition Module Lockout FunctionsTABLE-N Access to Internal Control PanelIgnition and Control Timings Water Chemistry TABLE-OTABLE-P Test Recommended LevelPipe Size Requirements Circulating PumpMinimum Pump Performance Heat ExchangerHigh Water Temperature Limit Control Flue Gas Passageways Cleaning ProceduresAppliance Area Water Circulating PumpBurner Removal and Cleaning Heat Exchanger CleaningElectrical Combustion and Ventilation AirAdjusting Differential Air Pressure Fan CleaningCombustion Air Fan Adjustment Set-Up ProcedureServicing 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 Appendix B View Menu Item Menu Description