Lochinvar 81 - 286 Manuel d'utilisateur

KBII-I-O Rev D Installation & Operation ManualModels: 81 - 286This manual must only be used by a qualified heating installer / service technicia

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

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

Installation & Operation Manual12When removing a boiler from existing common vent system:Do not install the Knight boiler into a common ve

13 Installation & Operation ManualFigure 2-2 Installing Propane OrificeRemove boiler from wood pallet1. After removing the outer shipping

14 Installation & Operation Manual3 General ventingFigure 3-1 PVC/CPVC Two-Pipe Sidewall Termination - See page 21 for more detailsFigure

15 Installation & Operation ManualFigure 3-5 Stainless Steel Two-Pipe Vertical Termination - See page 28 for more detailsFigure 3-6 PVC/CPV

16 Installation & Operation Manual3 General venting PVC/CPVC vent piping materialsUse only the materials listed in Table 3A for vent pipe,

Installation & Operation ManualTable 3A Vent Pipe, and FittingsAll vent pipe materials and fittings must comply with the following:Item Ma

183 General ventingAir inlet pipe materials:The air inlet pipe(s) must be sealed. Choose acceptable combustion air inlet pipe materials from the fol

19 Installation & Operation Manual3" S.S. ADAPTER3" S.S. INTERMEDIATE(FOR SAF-T VENT ONLY)Figure 3-11 Near Boiler Stainless Steel

2Hazard definitionsThe following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or

20 Installation & Operation Manual3 General ventingAir contamination Pool and laundry products and common household and hobby products oft

Installation & Operation Manual4 Sidewall direct ventingVent/air termination – sidewallFollow instructions below when determining vent lo

Installation & Operation ManualVent/air termination – sidewall 4 Sidewall direct venting ALTERNATE VENTING ARRANGEMENT(IF SPACE PERMITS)B

23 Installation & Operation ManualFORCED AIRINLETVENT / AIRTERMINATION7' MIN. ABOVE ANYPUBLIC WALKWAYIF LESSTHAN 10’36"MIN.Figure

24 Installation & Operation Manual12" MIN. BETWEEN EDGE OF AIR INLET AND ADJACENT VENT OUTLETVENT / AIRTERMINATIONVENTAIRFigure 4-5A M

25 Installation & Operation Manual4 Sidewall direct venting (continued) 4" DIA.SDR-26 PIPE2 1/2" DIA.SDR-26 PIPERAIN CAP"Y&

26 Installation & Operation Manual4 Sidewall direct venting Sidewall termination – optional concentric vent Figure 4-9 Concentric Vent Dim

27 Installation & Operation Manual4 Sidewall direct venting (continued) Sidewall termination – optional concentric vent Multiventing sidew

28 Installation & Operation Manual5 Vertical direct ventingVent/air termination – verticalFollow instructions below when determining vent

29 Installation & Operation Manual5 Vertical direct venting (continued) Vent/air termination – vertical Prepare roof penetrations1. Air p

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

30 Installation & Operation Manual5 Vertical direct venting Vertical termination – optional concentric vent Description and usageLochinvar

31 Installation & Operation Manual5 Vertical direct venting (continued) Vertical termination – optional concentric vent Figure 5-6 Concen

Installation & Operation Manual5 Vertical direct venting Alternate vertical concentric ventingThis appliance may be installed with a conc

Installation & Operation Manual33Existing vent as a chaseFollow all existing termination and clearance requirements and allowable pipe len

34 Installation & Operation Manual6 Hydronic pipingSystem water piping methodsThe Knight is designed to function in a closed loop pressuri

35 Installation & Operation ManualRelief valve and temperature and pressure gauge installationBasic steps are listed below to guide you thr

36 Installation & Operation Manual6 Hydronic piping 13. Indirect water heaters: The Knight boiler may be piped to an indirect water he

37 Installation & Operation Manual05101520253 4 5 6 7 8 9 1011121314151617181920212223242581106151211286Flow Rate (GPM)Pressure Drop vs. Fl

Installation & Operation Manual38It is required that near boiler piping systems utilize the Primary/Secondary configuration shown in FIG.

Installation & Operation Manual396 Hydronic piping (continued) BOILERINDIRECTDHW TANKDOMESTICHOT WATERCIRCULATORBACKFLOWPREVENTERPRESSURE

The Knight Boiler - How it works...1. Stainless steel heat exchanger Allows system water to flow through specially designed coils for maximum heat

40 Installation & Operation Manual6 Hydronic pipingINDIRECTDHW TANKBACKFLOWPREVENTERPRESSUREREDUCING VALVEPRESSUREGAUGEANTI-SCALDMIXING VA

41 Installation & Operation Manual6 Hydronic piping (continued) Please note that these illustrations are meant to show system piping conce

42 Installation & Operation ManualDOMESTICHOT WATERCIRCULATORANTI-SCALDMIXING VALVECOLD WATERINAIR SEPARATORBALL VALVE(TYPICAL)DRAIN POINT(

43 Installation & Operation Manual6 Hydronic piping (continued) BOILERINDIRECTDHW TANKDOMESTICHOT WATERCIRCULATORANTI-SCALDMIXING VALVECO

44 Installation & Operation Manual6 Hydronic piping INDIRECTDHW TANKBACKFLOWPREVENTERPRESSUREREDUCING VALVEPRESSUREGAUGEANTI-SCALDMIXING V

45 Installation & Operation Manual6 Hydronic piping (continued)BOILER 1(LEADER)INDIRECTDHW TANKDOMESTICHOT WATERCIRCULATORBACKFLOWPREVENTE

46 Installation & Operation Manual7 Gas connectionsConnecting gas supply piping1. Remove the top access panel and refer to FIG.’s 7-1 and

47 Installation & Operation Manual7 Gas connections (continued) Use two wrenches when tightening gas piping at boiler (FIG. 7-3), using on

48 Installation & Operation Manual7 Gas connections NominalIron PipeSize (Inches)Single UnitNatural Gas Pipe Capacity ChartLength of Pipe

49 Installation & Operation Manual7 Gas connections (continued)  WARNINGWhen re-tightening the set screw, be sure to tighten securely to

5 Installation & Operation Manual103024Front View - Models 81 - 211331815814271320322310251228Left Side (inside unit) - Models 81 - 211Righ

50 Installation & Operation Manual8 Field wiring ELECTRICAL SHOCK HAZARD – For your safety, turn off electrical power supply before making

51 Installation & Operation Manual8 Field wiring (continued) Thermostat1. Connect the room thermostats or end switches (isolated contact

52 Installation & Operation Manual8 Field wiring System supply sensor1. By installing the system supply sensor into the supply of the pri

53 Installation & Operation Manual8 Field wiring (continued)LOUVER RELAYFLOW SWITCHTANK THERMOSTATROOM THERMOSTAT 3SYSTEM SUPPLY SENSORBUI

54 Installation & Operation Manual9 Condensate disposalCondensate drain1. This boiler is a high efficiency appliance that produces conden

55 Installation & Operation Manual10 Start-upCheck/control water chemistryDo not use petroleum-based cleaning or sealing compounds in the

56 Installation & Operation Manual10 Start-up Check for gas leaksBefore starting the boiler, and during initial operation, smell near the

57 Installation & Operation Manual10 Start-up (continued)Final checks before starting the boiler Read the Knight Boiler Service Manual t

58 Installation & Operation Manual10 Start-up

59 Installation & Operation ManualCheck flame and combustion (continued) Set space heating operationDetermine controlling sensorFor space h

6 Installation & Operation ManualThe Knight Boiler - How it works...181537Model 286Left Side (inside unit) - Model 286Right Side (inside uni

60 Installation & Operation Manual10 Start-up Set domestic hot water (DHW) operationVerify DHW modeThere are two (2) modes of operation fo

61 Installation & Operation Manual11 Operating informationGeneralHow the boiler operatesThe Knight boiler uses an advanced stainless steel

62 Installation & Operation Manual11 Operating information Ramp delayFor systems with lower flow, the SMART SYSTEM can limit the firing ra

High limit operationsThe Knight boiler is equipped with adjustable automatic reset and manual reset high limits. The automatic reset high limit has a

64 Installation & Operation Manual11 Operating information CascadeWhen multiple boilers are installed, they can be wired together in a cas

65OPERATION DISPLAY1. Upon a call for heat, the gas pressure switch(es) must be closed. 2. Once the gas pressure switch(es) are closed, the control

6611 Operating information Sequence of operation (continued)OPERATION DISPLAY8. If the space heating call for heat is active, and the tank thermosta

67Knight boiler control moduleNAVIGATION DIALFigure 11-1 Control PanelUse the control panel (FIG. 11-1) to set temperatures, operating conditions, and

68 Installation & Operation ManualAccess modesUserThe user can adjust space heating and tank target temperatures by pressing the NAVIGATION

69 Installation & Operation Manual11 Operating information (continued)Status Display ScreensSection Display DescriptionA(Boiler Status Bar

7RatingsNotes:1. As an Energy Star Partner, Lochinvar has determined that Knight boilers meet the Energy Star guidelines for energy efficiency.2. Th

70 Installation & Operation Manual11 Operating information Status Display Screens (cont’d)Section Display DescriptionC(Operational Informa

7111 Operating information (continued)Status Display Screens (cont’d)Section Display DescriptionE(NAVIGATION Dial Function)Turning the NAVIGATION dia

Installation & Operation Manual12 MaintenanceMaintenance and annual startupTable 12A Service and Maintenance SchedulesService technician(

Installation & Operation Manual12 Maintenance (continued) Flue vent system and air piping1. Visually inspect the entire flue gas venting

Installation & Operation Manual12 Maintenance Follow the service and maintenance procedures given throughout this manual and in component

Installation & Operation Manual12 Maintenance (continued)Inspect ignition and flame sense electrodes1. Remove the ignition and flame sen

Installation & Operation ManualReview with owner1. Review the Knight Boiler User’s Information Manual with the owner.2. Emphasize the ne

Installation & Operation Manual13 DiagramsBOX DEPICTSOPTIONAL ITEMSLADDER DIAGRAMLBL20148 REV C120 VAC24 VAC120VACTERMINAL STRIP120V SUPP

Installation & Operation Manual78X1-7ON/OFFSWITCH1 23 45GRR WRTWBKYBLBLOWER-THIGH LIMIT SENSOR S1bOPERATING SENSOR S1aINLET SENSOR S2FLUE

Installation & Operation Manual79Notes

8 Installation & Operation ManualThe Knight boiler gas manifold and controls met safe lighting and other performance criteria when the boil

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

9 Installation & Operation Manual1 Determine boiler location (continued)ALCOVE INSTALLATIONOPENFRONT1/4" (6 MM) MINIMUM CLEARANCEAROU