Lochinvar 400 Bedienungsanleitung

Installation & Operation ManualModels: 400 - 801This manual must only be used by aqualified heating installer / servicetechnician. Read all instr

10Installation & Operation Manual1 Determine boiler locationProvide air openings to room:Knight XL alone in boiler room1. No air ventilation open

11Installation & Operation ManualProducts to avoid:Spray cans containing chloro/fluorocarbonsPermanent wave solutionsChlorinated waxes/cleanersChl

Installation & Operation Manual1 Determine boiler location12When removing a boiler from existingcommon vent system:Do not install the Knight XL i

Installation & Operation Manual2 Prepare boiler13Remove boiler from wood pallet1. After removing the outer shipping carton from the boiler,remove

Installation & Operation Manual2 Prepare boiler14SCREWDRIVERSLOTLOWERRAISEFigure 2-5 Leveling Legs on the BoilerLeveling the boiler1. Set the boi

Installation & Operation Manual15PVC/CPVC Two PipeSee Figure 4-1AModels 400 - 601 OnlyPVC/CPVC AlternateTwo PipeSee Figure 4-2AStainless Steel Alt

Installation & Operation Manual16Direct venting options - Vertical Vent, Sidewall Air3 General venting Direct venting options - Vertical VentPVC/

Installation & Operation Manual173 General venting (continued)PVC/CPVC vent piping materialsUse only the materials listed in Table 3A(pg. 18) for

Installation & Operation Manual183 General venting 6. Priming and Cementing:a. Handle fittings and pipes carefully to prevent contamination of su

Installation & Operation Manual193 General venting (continued)Air inlet pipe materials:The air inlet pipe(s) must be sealed. Choose acceptableco

2ContentsHazard definitionsThe following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk l

Installation & Operation Manual203 General venting Figure 3-12 Near Boiler Stainless Steel Venting Models701 - 8014" S.S. ADAPTERVENT4"

Installation & Operation Manual21Model Kit NumberEquivalentVent Length 400 CVK3007 5 Feet (1.5 m)501 CVK3007 30 Feet (9 m)601 CVK3007 30 Feet (9

Installation & Operation Manual223 General ventingIf the boiler combustion air inlet islocated in a laundry room or poolfacility, for example, th

Installation & Operation Manual234 Sidewall direct ventingVent/air termination – sidewallFollow instructions below whendetermining vent location

Installation & Operation Manual12" (305 MM) MIN15" (381 MM) MAX12" (305 MM) MINFROM BOILERVENT PIPECONNECTIONTO BOILERINTAKE AIRCON

Installation & Operation Manual2512” (305 MM)MINBIRDSCREEN(TYPICAL)12” (305 MM)MIN12” (305 MM)MINFigure 4-3B Alternate Clearance to Gravity AirInl

Installation & Operation Manual264 Sidewall direct venting SIDEWALLTERMINATION PLATEVENTPIPINGGALVANIZEDTHIMBLE (WHEN REQUIRED BY LOCAL CODES)EL

Installation & Operation Manual274 Sidewall direct venting (continued)4" (102 MM) DIA.6" (152 MM) DIA.RAIN CAP"Y" CONCENTRICF

Installation & Operation Manual284 Sidewall direct venting Sidewall termination – optional concentric vent: Models 400 - 601 OnlyFigure 4-9 Con

Installation & Operation Manual294 Sidewall direct venting (continued)Sidewall termination – optional concentric vent: Models 400 - 601 OnlyMulti

Installation & Operation ManualPlease read before proceedingInstaller – Read all instructions,including this manual and the Knight XLService Manua

Installation & Operation Manual305 Vertical direct ventingVent/air termination – verticalFollow instructions below whendetermining vent location

Installation & Operation Manual315 Vertical direct venting (continued)Vent/air termination – vertical Prepare roof penetrations1. Air pipe penetr

Installation & Operation Manual325 Vertical direct venting Vertical termination – optional concentric vent: Models 400 - 601 Only Description an

Installation & Operation Manual335 Vertical direct venting (continued)Vertical termination – optional concentric vent: Models 400 - 601 Only ELBO

Installation & Operation Manual345 Vertical direct venting Alternate vertical concentric ventingThis appliance may be installed with a concentri

Installation & Operation Manual355 Vertical direct venting (continued)Existing vent as a chaseFollow all existing termination and clearance requi

Installation & Operation Manual366 Hydronic pipingSystem water piping methodsThe Knight XL is designed to function in a closed looppressurized sy

Installation & Operation Manual37RELIEF VALVEFLOW SWITCHPADDLETEMPERATURE ANDPRESSURE GAUGETEE WITH FITTING ON TOP(FIELD PROVIDED)CLOSE NIPPLE (FI

Installation & Operation Manual6 Hydronic piping Figure 6-3 Flow Switch AdjustmentFlow switch adjustmentRefer to Table 6A for the proper setti

Installation & Operation Manual396 Hydronic piping (continued)Near boiler piping connectionsY-STRAINER(RECOMMENDED)BOILER PUMP INDIRECT DOMESTIC

Installation & Operation Manual4The Knight XL - How it works...1. Stainless steel heat exchangerAllows system water to flow through specially desi

Installation & Operation Manual40Figure 6-5 Pressure Drop vs. Flow - Models 400 and 501Table 6B Sizing Information for Temperature Rise Applicati

Installation & Operation Manual416 Hydronic piping (continued)EXPANSIONTANKAIR SEPARATORPRESSUREREDUCINGVALVEBACK FLOWPREVENTERBALL VALVE(TYPICAL

Installation & Operation Manual426 Hydronic piping EXPANSION TANKAIR SEPARATORPRESSURE REDUCING VALVEBACK FLOWPREVENTERBALL VALVE(

Installation & Operation Manual436 Hydronic piping (continued)EXPANSIONTANKAIR SEPARATORPRESSUREREDUCINGVALVEBACK FLOWPREVENTERBALL VALVE(TYPICAL

Installation & Operation Manual446 Hydronic piping EXPANSIONTANKAIR SEPARATORPRESSURE REDUCING VALVEBACK FLOWPREVENTERBALL VALVE(T

Installation & Operation Manual456 Hydronic piping (continued)EXPANSIONTANKAIR SEPARATORPRESSUREREDUCINGVALVEBACK FLOWPREVENTERBALL VALVE(TYPICAL

Installation & Operation Manual467 Gas connectionsConnecting gas supply piping1. Remove the top access panel and refer to FIG.’s 7-1 thru7-3 to p

Installation & Operation Manual477 Gas connections (continued)Failure to apply pipe sealing compoundas detailed in this manual can result insever

Installation & Operation Manual48NominalIron PipeSize(inches)Natural Gas Pipe Capacity ChartLength of Pipe in Straight FeetMaximumCapacity of Pipe

Installation & Operation Manual49 WARNINGWhen re-tightening the set screw, be sureto tighten securely to prevent gas leaks.Do not check for gas l

Installation & Operation ManualFront View - Model 40027358720132823142925453738Left Side (inside unit) - Model 40019213616131733262Right Side (ins

Installation & Operation Manual508 Field wiring ELECTRICAL SHOCK HAZARD – Foryour safety, turn off electrical powersupply before making any elect

Installation & Operation Manual518 Field wiring (continued)Thermostat1. Connect the room thermostats or end switches (isolatedcontact only) to ro

Installation & Operation Manual528 Field wiring ModbusWhen the optional ModBus interface module is installed, theRS-485 ModBus cable is connec

Installation & Operation Manual538 Field wiring (continued)LOUVER RELAYFLOW SWITCHTANK THERMOSTATROOM THERMOSTAT 3SYSTEM SUPPLY SENSORBUILDINGMAN

Installation & Operation Manual549 Condensate disposalCondensate drain1. This boiler is a high efficiency appliance that producescondensate.2. Th

Installation & Operation Manual5510 Start-upCheck/control water chemistryDo not use petroleum-based cleaning orsealing compounds in the boiler sy

Installation & Operation Manual5610 Start-up Check for gas leaksBefore starting the boiler, and duringinitial operation, smell near the floor a

Installation & Operation Manual5710 Start-up (continued)Final checks before starting the boiler Read the Knight XL Service Manual to familiarize

Installation & Operation Manual58 FOR YOUR SAFETY READ BEFORE OPERATINGWARNING: If you do not follow these instructions exactly,

Installation & Operation Manual5910 Start-up (continued)Check flame and combustion (continued)4. Place the boiler into the active position by pre

Installation & Operation Manual6The Knight XL - How it works...181527Rear View - Model 501271518Rear View - Models 601 - 801 Left Side (inside uni

Installation & Operation Manual60Set domestic hot water (DHW) operationVerify DHW modeThere are two (2) modes of operation for DHW. In NormalMode

Installation & Operation ManualGeneralHow the boiler operatesThe Knight XL uses an advanced stainless steel heat exchangerand electronic control m

Installation & Operation Manual6211 Operating information Ramp delayFor systems with lower flow, the SMART SYSTEM can limitthe firing rate (whe

Installation & Operation Manual6311 Operating information (continued)Monitor external limitsConnections are provided on the connection board fore

Installation & Operation Manual6411 Operating information Outdoor reset operation, if usedTarget temperature with outdoor resetThis feature imp

Installation & Operation Manual6511 Operating information (continued)Sequence of operationOPERATION DISPLAY1. Upon a call for heat, the gas press

Installation & Operation Manual66OPERATION DISPLAY8. If the space heating call for heat is active, and the tank thermostator sensor starts a DHW c

Installation & Operation Manual6711 Operating information (continued)Knight XL control moduleNAVIGATION DIALFigure 11-1 Control PanelUse the cont

Installation & Operation Manual68Access modesUserThe user can adjust space heating and tank target temperatures by pressingthe NAVIGATION dial whe

Installation & Operation Manual6911 Operating information (continued)Status Display ScreensSection Display DescriptionA(Boiler StatusBar)STANDBYT

Installation & Operation ManualRatingsNotes:1. The ratings are based on standard test proceduresprescribed by the United States Department of Ener

Installation & Operation Manual7011 Operating information Status Display Screens (cont’d)Section Display DescriptionC(OperationalInformation)SYS

Installation & Operation Manual7111 Operating information (continued)Status Display Screens (cont’d)Section Display DescriptionE(NAVIGATIONDial F

Installation & Operation Manual72Maintenance and annual startupTable 12A Service and Maintenance SchedulesService technician(see the following pag

Installation & Operation Manual7312 Maintenance (continued)Follow the Service and maintenance procedures given throughout this manual and in comp

Installation & Operation Manual7412 Maintenance Flue vent system and air piping1. Visually inspect the entire flue gas venting system and airpipi

Installation & Operation Manual7512 Maintenance (continued)Inspect ignition and flame senseelectrodes1. Remove the ignition and flame sense elect

Installation & Operation Manual7612 Maintenance Check flame signal1. At high fire the flame signal shown on the display shouldbe at least 10 micr

Installation & Operation Manual77Figure 13-1 Wiring Diagram13 Diagrams X1-7ORORBRPRORBRBRPRPRCN2-4CN2-1CN1-5CN1-6CN1-3CN1-4CN1-1CN1-2K1K2K3RELAY

Figure 13-2 Ladder DiagramBOX DEPICTSOPTIONAL ITEMSLADDER DIAGRAMLBL20141 REV B120 VAC24 VAC120VACTERMINAL STRIP120V SUPPLY "L"ON / OFFSWITC

NotesInstallation & Operation Manual79

8Installation & Operation ManualThe Knight XL gas manifold and controlsmet safe lighting and other performancecriteria when the boiler underwent t

Revision Notes: Revision A (ECO #C05747) initial release. Reflectsthe new model numbers for the Knight XL upgrade.Revision B (ECO #C06188) reflects

9Installation & Operation Manual1 Determine boiler location (continued)ALCOVE INSTALLATIONOPENFRONT1" MINIMUM CLEARANCEAROUND HOT WATERPIPES