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Lochinvar WH 55-399 3 Operating Instructions - Model, Installation & Operation Manual

Models: WH 55-399

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Installation & Operation Manual

10 Start-up(continued)

Figure 10-3Operating Instructions - Model 399

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Lochinvar WH 55-399 operation manual 3 Operating Instructions - Model, Installation & Operation Manual, Start-up continued

Contents

WH-I-ORev H Installation & Operation Manual Models: WH 55 -Save this manual for future reference Contents Hazard definitionsPlease read before proceeding When servicing boiler –Boiler operation – Boiler water –Installation & Operation Manual The Knight Wall Mount Boiler - How it worksFront View Models 55 -Bottom View Left Side inside unitFigure A High Altitude Label Location RatingsOther Specifications Installation & Operation ManualInstallation must comply with Room VolumeCloset and alcove installations Clearances for service accessNote: Service clearances are recommendations only Installation & Operation Manual1 Determine boiler location Residential garage installation Installation & Operation ManualPrecautions 1 Determine boiler location continuedProducts to avoid Table 1A Corrosive Contaminants and SourcesAreas likely to have contaminants Installation & Operation Manual1 Determine boiler location continued Installation & Operation ManualRemove boiler from wood pallet 2 Prepare boilerGas conversions Figure 2-1 Boiler Mounted on Shipping Pallet2 Prepare boiler continued Figure 2-3 Installing Propane OrificeMounting the boiler Mounting to a wood studded wallDirect venting options - Sidewall Vent 3 General ventingInstallation & Operation Manual Air intake/vent connections Install vent and combustion air pipingFigure 3-6 Near Boiler Air Piping CAUTION NOTICESizing Requirements for installation in CanadaModel Kit NumberMaterials 3 General venting continuedAir inlet pipe materials DANGERAir contamination Optional room airTable 3C Optional Room Air KitPVC/CPVC Approved PVC/CPVC Vent Pipe and FittingsTable 3D PVC/CPVC Vent Pipe, and Fittings ItemCentrotherm InnoFlue SW PolypropyleneDuravent Polypro NOTICE NOTICEStainless steel vent Z FlexFasNSeal Saf-TVent4 Sidewall direct venting If using the alternate sidewall terminationVent/air termination – sidewall ModelFigure 4-2A Clearance to Gravity Air Inlets 4 Sidewall direct venting continuedFigure 4-3A Clearance to Forced Air Inlets Installation & Operation ManualVent Table 4B Sidewall Vent Centerline DimensionsCenterline Width Prepare wall penetrationsInstallation & Operation Manual Multiple vent/air terminations4 Sidewall direct venting continued Sidewall termination – optional concentric vent Sidewall termination installationDescription and usage Figure 4-6 Concentric Sidewall Termination4 Sidewall direct venting continued Installation & Operation ManualNOTICE NOTICEMultiventing sidewall terminations Figure 4-12 Concentric Vent Sidewall AttachmentInstallation & Operation Manual 4 Sidewall direct ventingVent/air termination – vertical 5 Vertical direct ventingPrepare roof penetrations Installation & Operation ManualFigure 5-5 Do Not Install U-Bendto Rain Cap Vertical termination installationVertical termination – optional concentric vent Prepare roof penetrations continued5 Vertical direct venting continued Figure 5-6 Concentric Vent Roof InstallationMultiventing vertical terminations Installation & Operation ManualVent / Air Inlet Size Alternate vertical concentric ventingMinimum Existing Vent / Chase SizeSystem water piping methods 6 Hydronic pipingGeneral piping information Low water cutoff deviceTemperature and pressure gauge 12.System temperature sensorNear boiler piping components Boiler system pipingNear boiler piping connections 6 Hydronic piping continuedCirculator sizing Figure 6-1A Near Boiler Piping25F Temperature Rise Applications 20F Temperature Rise Applications35F Temperature Rise Applications Figure 6-2 Pressure Drop vs. FlowVariable speed pump option Variable speed pump setupTable 6B Recommended Variable Speed Pumps Installation & Operation Manual6 Hydronic piping Installation & Operation ManualINDIRECT NOTICE6 Hydronic piping continued Installation & Operation ManualNOTICE ZONE #16 Hydronic piping Installation & Operation ManualNOTICE INDIRECTRequired Pipe Sizes Number of UnitsModel Installation & Operation ManualNumber of Units 6 Hydronic pipingRequired Pipe Sizes Model6 Hydronic piping continued Installation & Operation ManualNOTICE BOILERInstallation & Operation Manual Required Pipe Sizes6 Hydronic piping Number of Units6 Hydronic piping continued Installation & Operation ManualNOTICE NOTICE BOILER6 Hydronic piping Installation & Operation ManualNOTICE NOTICE ZONE #16 Hydronic piping continued Installation & Operation ManualNOTICE NOTICE BOILER7 Gas connections Connecting gas supply pipingFigure 7-1 Gas Supply Piping Installation & Operation Manual7 Gas connections continued Figure 7-2 Inlet Pipe with Backup WrenchNatural gas Propane GasTable 7A Natural Gas Pipe Size Chart Natural Gas Pipe Capacity ChartCheck inlet gas supply Length of Pipe in Straight Feet for 1/2 PSIGas Pressure Gas valve replacementDETAIL A Figure 7-3 Inlet Gas Supply CheckInstallation must comply with 8 Field wiringFigure 8-2 Line Voltage Field Wiring Connections Figure 8-3 Routing Field WiringOutdoor temperature sensor 8 Field wiring continuedLouver proving switch Flow switchWiring of the cascade Alarm contactsSystem supply sensor Boiler management systemFieldwiringcontinued InstallationManual OperationCondensate drain 9 Condensate disposalFigure 9-1 Condensate Disposal Installation & Operation Manual10 Start-up Freeze protection when usedCheck/control water chemistry Fill and test water systemCheck for gas leaks Clean/Inspect Trap AssemblyInspect/fill condensate system Check thermostat circuitsStart the boiler Final checks before starting the boilerIf boiler does not start correctly Check system and boiler10 Start-up Figure 10-2 Operating Instructions - Models 55 -Installation & Operation Manual Figure 10-3 Operating Instructions - Model10 Start-up continued Adjust set point temperatures Table 10A Flue Products ChartCheck flame and combustion continued Set space heating operationConfiguration of the cascade Set DHW boiler target temperatureNOTICE Set domestic hot water DHW operation0 - 10V input set point or power Temperature control11 Operating information GeneralRamp delay Protection featuresOutdoor air reset 11 Operating information continuedRun-timeand alarm outputs Boiler temperature regulationService reminder Error loggingTarget temperature with outdoor reset Outdoor reset operation, if usedReset curve CascadeOPERATION Sequence of operationDISPLAY Installation & Operation ManualInstaller Access modesUser Installation & Operation ManualFigure 11-1 Control Panel Knight wall mount boiler control moduleInstallation & Operation Manual 11 Operating informationBoiler Status IndicatorsCall for Heat Status Display ScreensOperational InformationStatus Display Screens cont’d Installation & Operation Manualkey function Dial FunctionNAVIGATION RIGHT SELECTService technician 12 Maintenance Maintenance and annual startupOwner maintenance Table 12A Service and Maintenance SchedulesAddress reported problems 12 Maintenance continuedAnnual cleaning Inspect boiler areaCheck ignition ground wiring 12 MaintenanceCheck all boiler wiring Check control settingsCleaning boiler heat exchanger Check flame signalFigure 12-2 Burner Assembly Perform start-upand checksFigure 13-1 Ladder Diagram 13 DiagramsInstallation & Operation Manual are connected or a fault condition is presentInstallation & Operation Manual Figure 13-2 Wiring Diagram13 Diagrams continued LOW VOLTAGE 120 VAC HIGH VOLTAGEWH-I-ORev H 05/12 Revision A ECO #C06854 initial release