Manuals / Lochinvar / Household Appliance / Water Heater

Lochinvar 399 operation manual Notes

Models: 399

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Contents

Installation & Operation Manual Models: 399 - KBX-I-ORev HSave this manual for future reference Contents Hazard definitionsDANGER CAUTION CAUTION NOTICEBoiler water – When servicing boiler –Please read before proceeding Boiler operation –Installation & Operation Manual The Knight XL - How it worksFront View - Model The Knight XL - How it works... continuedModel Installation & Operation ManualModel Models 600 -Installation & Operation Manual The Knight XL - How it worksInstallation & Operation Manual Other SpecificationsRatings Knight XL Boiler I=B=R RatingCloset and alcove installations 1Determine boiler locationInstallation & Operation Manual Installation must comply with1Determine boiler location continued Installation & Operation ManualFor closet installations, CPVC or 1Determine boiler location Installation & Operation ManualResidential garage installation PrecautionsProducts to avoid Installation & Operation Manual1Determine boiler location continued Table 1A Corrosive Contaminants and Sources1Determine boiler location Installation & Operation ManualRemove boiler from wood pallet 2Prepare boilerInstallation & Operation Manual Figure 2-2 Installing Propane Orifice - Model2Prepare boiler Installation & Operation ManualFigure 2-3 Gas Valve Adjustment - Model Figure 2-4 Gas Valve Adjustment - Models 600 -PVC/CPVC Two Pipe 3 General ventingDirect venting options - Sidewall Vent Installation & Operation ManualPVC/CPVC Direct venting options - Vertical VentInstallation & Operation Manual 3 General ventingInstallation & Operation Manual Install vent and combustion air pipingRequirements for installation in Canada 3General venting continuedPVC/CPVC air intake/vent connections 3General ventingInstallation & Operation Manual Standards for installation inStainless steel vent Installation & Operation Manual3General venting continued Air inlet pipe materialsProTech ModelInstallation & Operation Manual 3General ventingVent and air piping Optional room airInstallation & Operation Manual 3General venting continuedModel Installation & Operation Manual3General venting Table 3F Optional Room Air KitVent Size 4 Sidewall direct ventingVent/air termination – sidewall Kit NumberFigure 4-1D Alternate PVC/CPVC/SS Vent Termination Installation & Operation Manual4 Sidewall direct venting Vent/air termination – sidewallVent/air termination – sidewall 4Sidewall direct venting continuedInstallation & Operation Manual Figure 4-5A Sidewall Termination AssemblyTermination and fittings 4Sidewall direct ventingInstallation & Operation Manual Multiple vent/air terminations4Sidewall direct venting continued Installation & Operation ManualSidewall termination installation Figure 4-8 Kit Contents_CVK3007 - Models 399 -NOTICE Installation & Operation Manual4Sidewall direct venting NOTICETouching or 2 inches 51 mm Maximum Separation 4Sidewall direct venting continuedFigure 4-11 Concentric Vent Sidewall Attachment Multiventing sidewall terminationsDetermine location 5Vertical direct ventingVent/air termination – vertical Installation & Operation ManualTermination and fittings 5Vertical direct venting continuedVent/air termination – vertical Prepare roof penetrations5Vertical direct venting Installation & Operation ManualVertical termination installation Figure 5-5 Do Not Install U-Bentto Rain CapNOTICE Installation & Operation ManualFigure 5-6 Concentric Vent Roof Installation 5Vertical direct venting continuedLow water cutoff device 6Hydronic pipingInstallation & Operation Manual System water piping methods6Hydronic piping continued Installation & Operation ManualNOTICE Figure 6-3 Flow Switch Adjustment Near boiler piping connectionsInstallation & Operation Manual Flow switch adjustment6Hydronic piping continued TEMPERATURE RISE APPLICATIONSFlow Rate GPM Installation & Operation Manual6Hydronic piping Installation & Operation Manual9.Temperature and pressure gauge 12.System temperature sensorInstallation & Operation Manual 6Hydronic piping continuedNOTICE NOTICE 6Hydronic piping Number of UnitsManifold Pipe Sizes in Inches mm Installation & Operation ManualFigure 7-1 Gas Supply Piping - Model Connecting gas supply piping7Gas connections Installation & Operation ManualFigure 7-4 Inlet Pipe with Backup Wrench Natural gasPropane Gas Installation & Operation ManualTable 7A Natural Gas Pipe Size Chart 7Gas connections continuedCheck inlet gas supply Installation & Operation ManualFigure 7-5 Inlet Gas Supply Check - Model Gas valve replacement7Gas connections Gas PressureInstallation & Operation Manual 8Field wiringInstallation must comply with Line voltage connectionsLow gas pressure switch Outdoor temperature sensorAuxiliary device proving switch High gas pressure switchSystem supply sensor 8Field wiring continuedAlarm contacts Wiring of the cascadeSHIELD 8 Field wiringFigure 8-3 Low Voltage Field Wiring Connections SHIELDNOTICE 9Condensate disposalCondensate drain Installation & Operation ManualCheck/control water chemistry 10 Start-upFreeze protection when used Installation & Operation ManualInspect/fill condensate system Installation & Operation ManualCheck for gas leaks Check thermostat circuitsStart the boiler Installation & Operation Manual10 Start-up Final checks before starting the boilerTO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE OPERATINGInstallation & Operation Manual OPERATING INSTRUCTIONS10 Start-up Installation & Operation ManualTable 10A Flue Products Chart Set space heating set point temperatureSet domestic hot water DHW operation Installation & Operation ManualSet DHW target temperature Configuration of the cascadeTemperature control 11 Operating informationGeneral Installation & Operation ManualRamp delay 11 Operating information continuedInstallation & Operation Manual Protection featuresRun-timeand alarm outputs Installation & Operation ManualBoiler temperature regulation Outdoor reset operation, if usedcascade DHW, Night Setback, and Ramp Delay operation with11 Operating information continued Sequence of the cascade11 Operating information Sequence of operationOPERATION DISPLAYFigure 11-1 Control Panel Knight XL control moduleInstallation & Operation Manual 11 Operating information continuedXL Service Manual Installation & Operation ManualAccess modes InstallerDescription Status Display ScreensScreen Display showsDisplay shows Status Display Screens cont’d11 Operating information ScreenScreen Installation & Operation Manual11 Operating information continued Status Display Screens cont’dScreen Installation & Operation Manual11 Operating information Status Display Screens cont’dsee the following pages for instructions 12 Maintenance Maintenance and annual startupService technician Owner maintenanceInspect boiler area 12 MaintenanceAddress reported problems Clean condensate trapCheck expansion tank 12 Maintenance continuedFlue vent system and air piping Check water systemInspect ignition and flame sense electrodes Check ignition ground wiringCheck all boiler wiring Check control settings12 Maintenance continued Check flame signalCleaning boiler heat exchanger Review with ownerSWITCH 13 DiagramsInstallation & Operation Manual Figure 13-1 Wiring Diagram13 Diagrams continued Figure 13-2 Ladder DiagramNotes Notes KBX-I-ORev H 4/10