Manuals / Lochinvar / Household Appliance / Water Heater

Lochinvar 399 operation manual Notes

Models: 399

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Contents

Save this manual for future reference Installation & Operation Manual Models: 399 -KBX-I-ORev H CAUTION CAUTION NOTICE Hazard definitionsDANGER ContentsBoiler operation – When servicing boilerPlease read before proceeding Boiler water –The Knight XL - How it works Installation & Operation ManualInstallation & Operation Manual The Knight XL - How it works... continuedModel Front View - ModelThe Knight XL - How it works Models 600 -Installation & Operation Manual ModelKnight XL Boiler I=B=R Rating Other SpecificationsRatings Installation & Operation ManualInstallation must comply with 1Determine boiler locationInstallation & Operation Manual Closet and alcove installations1Determine boiler location continued For closet installations, CPVC orPrecautions Installation & Operation ManualResidential garage installation 1Determine boiler locationTable 1A Corrosive Contaminants and Sources Installation & Operation Manual1Determine boiler location continued Products to avoidInstallation & Operation Manual 1Determine boiler locationFigure 2-2 Installing Propane Orifice - Model 2Prepare boilerInstallation & Operation Manual Remove boiler from wood palletFigure 2-4 Gas Valve Adjustment - Models 600 - Installation & Operation ManualFigure 2-3 Gas Valve Adjustment - Model 2Prepare boilerInstallation & Operation Manual 3 General ventingDirect venting options - Sidewall Vent PVC/CPVC Two Pipe3 General venting Direct venting options - Vertical VentInstallation & Operation Manual PVC/CPVC3General venting continued Install vent and combustion air pipingRequirements for installation in Canada Installation & Operation ManualStandards for installation in 3General ventingInstallation & Operation Manual PVC/CPVC air intake/vent connectionsAir inlet pipe materials Installation & Operation Manual3General venting continued Stainless steel vent3General venting ModelInstallation & Operation Manual ProTech3General venting continued Optional room airInstallation & Operation Manual Vent and air pipingTable 3F Optional Room Air Kit Installation & Operation Manual3General venting ModelKit Number 4 Sidewall direct ventingVent/air termination – sidewall Vent SizeVent/air termination – sidewall Installation & Operation Manual4 Sidewall direct venting Figure 4-1D Alternate PVC/CPVC/SS Vent TerminationFigure 4-5A Sidewall Termination Assembly 4Sidewall direct venting continuedInstallation & Operation Manual Vent/air termination – sidewallMultiple vent/air terminations 4Sidewall direct ventingInstallation & Operation Manual Termination and fittingsFigure 4-8 Kit Contents_CVK3007 - Models 399 - Installation & Operation ManualSidewall termination installation 4Sidewall direct venting continuedNOTICE Installation & Operation Manual4Sidewall direct venting NOTICEMultiventing sidewall terminations 4Sidewall direct venting continuedFigure 4-11 Concentric Vent Sidewall Attachment Touching or 2 inches 51 mm Maximum SeparationInstallation & Operation Manual 5Vertical direct ventingVent/air termination – vertical Determine locationPrepare roof penetrations 5Vertical direct venting continuedVent/air termination – vertical Termination and fittingsFigure 5-5 Do Not Install U-Bentto Rain Cap Installation & Operation ManualVertical termination installation 5Vertical direct venting5Vertical direct venting continued Installation & Operation ManualFigure 5-6 Concentric Vent Roof Installation NOTICESystem water piping methods 6Hydronic pipingInstallation & Operation Manual Low water cutoff deviceNOTICE 6Hydronic piping continuedInstallation & Operation Manual Flow switch adjustment Near boiler piping connectionsInstallation & Operation Manual Figure 6-3 Flow Switch AdjustmentInstallation & Operation Manual Flow Rate GPMTEMPERATURE RISE APPLICATIONS 6Hydronic piping continuedNear boiler piping components Installation & Operation Manual6Hydronic piping NOTICENOTICE NOTICE Installation & Operation Manual6Hydronic piping continued Installation & Operation Manual Number of UnitsManifold Pipe Sizes in Inches mm 6Hydronic pipingInstallation & Operation Manual Connecting gas supply piping7Gas connections Figure 7-1 Gas Supply Piping - ModelInstallation & Operation Manual Natural gasPropane Gas Figure 7-4 Inlet Pipe with Backup WrenchTable 7A Natural Gas Pipe Size Chart 7Gas connections continuedCheck inlet gas supply Natural Gas Pipe Capacity ChartGas Pressure Gas valve replacement7Gas connections Figure 7-5 Inlet Gas Supply Check - ModelLine voltage connections 8Field wiringInstallation must comply with Installation & Operation ManualLow gas pressure switch Auxiliary device proving switchHigh gas pressure switch Flow switchWiring of the cascade 8Field wiring continuedAlarm contacts System supply sensorSHIELD 8 Field wiringFigure 8-3 Low Voltage Field Wiring Connections SHIELDInstallation & Operation Manual 9Condensate disposalCondensate drain NOTICEInstallation & Operation Manual 10 Start-upFreeze protection when used Check/control water chemistryCheck thermostat circuits Installation & Operation ManualCheck for gas leaks Inspect/fill condensate systemFinal checks before starting the boiler Installation & Operation Manual10 Start-up Start the boilerOPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATINGInstallation & Operation Manual TO TURN OFF GAS TO APPLIANCE10 Start-up Installation & Operation ManualTable 10A Flue Products Chart Check flame and combustion continuedSet domestic hot water DHW operation Installation & Operation ManualConfiguration of the cascade Verify DHW circulator modeInstallation & Operation Manual 11 Operating informationGeneral 0 - 10V input set point or powerProtection features 11 Operating information continuedInstallation & Operation Manual Outdoor air resetRun-timeand alarm outputs Installation & Operation ManualOutdoor reset operation, if used Service reminderDHW, Night Setback, and Ramp Delay operation with 11 Operating information continuedSequence of the cascade cascadeDISPLAY Sequence of operationOPERATION 11 Operating information11 Operating information continued Knight XL control moduleInstallation & Operation Manual Figure 11-1 Control PanelInstaller Installation & Operation ManualAccess modes XL Service ManualDisplay shows Status Display ScreensScreen DescriptionScreen Status Display Screens cont’d11 Operating information Display showsStatus Display Screens cont’d Installation & Operation Manual11 Operating information continued ScreenStatus Display Screens cont’d Installation & Operation Manual11 Operating information ScreenOwner maintenance 12 Maintenance Maintenance and annual startupService technician see the following pages for instructionsClean condensate trap 12 MaintenanceAddress reported problems Inspect boiler areaCheck water system 12 Maintenance continuedFlue vent system and air piping Check expansion tankCheck control settings Check ignition ground wiringCheck all boiler wiring Inspect ignition and flame sense electrodesReview with owner Check flame signalCleaning boiler heat exchanger 12 Maintenance continuedFigure 13-1 Wiring Diagram 13 DiagramsInstallation & Operation Manual SWITCHFigure 13-2 Ladder Diagram 13 Diagrams continuedNotes Notes KBX-I-ORev H 4/10