Manuals / Lochinvar / Household Appliance / Water Heater

Lochinvar 2072, 502 operation manual Notes

Models: 2072 502

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Notes

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Lochinvar 2072, 502 operation manual Notes

Contents

CPX-I-ORev B Installation & Operation Manual Models: 502 -Save this manual for future reference CAUTION CAUTION NOTICE ContentsHazard definitions DANGERChecking equipment – Warranty –Please read before proceeding Special instructionsCodes Safety informationOwner warning – Prevention of freezing –Installation & Operation Manual The Copper-fin2 - How it worksModels 502 - 752 Rear View Installation & Operation ManualThe Copper-fin2 - How it works Models 502 - 752 Front ViewModels 992 - 2072 Rear View The Copper-fin2 - How it works... continuedInstallation & Operation Manual Models 992 - 2072 Front ViewNOTICE Notes RatingsSpecifications Installation & Operation ManualIndoor clearances from combustible construction 1 Determine unit locationInstallation & Operation Manual Location of unit1 Determine unit location Installation & Operation ManualOutdoor pool heater installation 2. Outside Combustion Air, Using DuctsFigure 1-5_OutsideCombustion Air Through Ducts 1 Determine unit location continuedInstallation & Operation Manual 4. Outside Combustion Air - Using Direct VentingCombustion air filter Installation & Operation Manual1 Determine unit location Exhaust fansIdentify your appliance’s vent system B C D2 Venting BEFORE YOU BEGINInstallation & Operation Manual Vent system options2 Venting Venting support General informationTABLE - 2A Installation & Operation ManualNegative draft Conventional negative draft venting - see pageInstallation & Operation Manual 2 VentingNOTICE Installation & Operation ManualMasonry chimney installations Vertical vent termination clearances and locationNOTICE Installation & Operation Manual2 Venting Figure 2-1_VentTermination from Peaked Roof - 10 ft. or Less From RidgeLength of air inlet pipe Vertical DirectAire venting - see pageInstallation & Operation Manual Combustion air inlet pipingCombined air inlet points Installation & Operation Manual2 Venting Vertical Rooftop Air InletVenting of flue products TABLE - 2BInstallation & Operation Manual w/Rooftop Combustion Air InletSidewall with fan Sidewall venting - see pageInstallation & Operation Manual 2 VentingFlue outlet piping Installation & Operation ManualDrain tee installation Sidewall venting without fan2 Venting TABLE - 2CInstallation & Operation Manual W/POWER FAN ASSYNOTICE TABLE - 2DInstallation & Operation Manual Venting of flue products2 Venting Direct venting - see pageInstallation & Operation Manual Drain tee installationHorizontal DV venting termination TABLE - 2EInstallation & Operation Manual Masonry chimney installationAir inlet piping materials Installation & Operation ManualConnecting the air inlet pipe to the unit 2 VentingNOTICE Installation & Operation ManualMultiple sidewall direct vent installations Vertical and sidewall combustion air inletInstallation & Operation Manual Outdoor installation - see pageVenting TABLE - 2FGas pressure test Connecting to gas supply3 Gas connections Gas connectionGas train and controls Combination gas valvesInstallation & Operation Manual 3 Gas connectionsChecking gas supply pressure 3 Gas connections continuedInstallation & Operation Manual TABLE - 3DFigure 4-1_WaterConnections - Models 502 - 4 Water connectionsInstallation & Operation Manual Circulating pumpInstallation of return and supply sensors 4 Water connections continuedHeat exchanger Installation & Operation ManualFigure 4-4_HeaterBeyond 15 feet of Pool Piping Installation & Operation Manual4 Water connections Figure 4-3_HeaterWithin 15 feet of Pool Piping4 Water connections continued Installation & Operation ManualPOOL RETURN SENSOR SECONDARY LOCATION 3 MIN 110 POOL RETURN SENSOR LOCATION Installation & Operation Manual4 Water connections NOTICE4 Water connections continued Installation & Operation ManualAutomatic bypass valve cover installation Figure 4-8_3Way Valve Cover Connection DiagramAutomatic chlorinator and chemical feeders Water flow switchPump purge delay Relief valveGeneral information 3-wayautomatic bypass valve wiring5 Electrical connections Installation & Operation Manual5 Electrical connections Installation must comply withInstallation & Operation Manual Figure 5-2_LineVoltage Field Wiring ConnectionsPool return sensor - 2-wire 5 Electrical connections continuedInstallation & Operation Manual Louver proving switchFigure 5-5_LowVoltage Field Wiring Connections Alarm contactsWiring of the cascade Installation & Operation ManualStarting the filter system Pre-startchecklist6 Startup Installation & Operation ManualCheck vent and air piping Installation & Operation Manual6 Startup Check thermostat circuitsFigure 6-2_OperatingInstructions Installation & Operation Manual6 Startup continued Set clock Installation & Operation ManualConfiguration of the cascade 6 StartupProtection features 7 Operating informationGeneral Installation & Operation ManualService reminder Installation & Operation ManualPool heater temperature regulation Run-timeand alarm outputsSequence of the cascade 7 Operating information continuedInstallation & Operation Manual CascadeInstallation & Operation Manual Sequence of operationOPERATION DISPLAY7 Operating information continued Copper-fin2 control moduleInstallation & Operation Manual ENTER/RESET7 Operating information Installation & Operation ManualAccess modes InstallerScreen # Status display screensInstallation & Operation Manual 7 Operating information continuedStatus Display Screens cont’d 7 Operating informationsee the following pages for instructions 8 Maintenance Maintenance and annual startupService technician Owner maintenanceInspect appliance interior 8 MaintenanceAddress reported problems Inspect appliance areaCheck relief valve 8 Maintenance continuedCheck all wiring Check control settingsCheck flue gas passageways Inspect and clean burnerPerform start-upand checks Check burner flame8 Maintenance continued Inspect and clean the heat exchangerReview with owner Oiled bearing circulatorsDISPLAY 9 Connection diagramInstallation & Operation Manual MAIN POWER HARNESSCONTROLLER 9 Connection diagram continuedInstallation & Operation Manual DANGER120 VAC 10 Ladder diagramInstallation & Operation Manual LOW VOLTAGEInstallation & Operation Manual 10 Ladder diagram continuedNotes Notes CPX-I-ORev B 7/11