Lochinvar 000 through 2 Manuel d'utilisateur

INSTALLATION AND SERVICE MANUALIntelli-Fin®Hot Water Heating BoilersDomestic Hot Water Supply Boilers1,500,000 — 1,700,000 — 2,000,000 Btu/hr

10Any vent materials specified must be listed by a nationallyrecognized test agency for use as a Category IV vent material.The venting system must be

11the tee. The drain tubing must have a trap provided by a 4"(10.2 cm)-diameter circular trap loop in the drain tubing. Primethe trap loop by po

12CHIMNEY3' MIN2' MIN10' OR LESSCHIMNEY2' MINWALL ORPARAPETFIG. 15 Vent Termination from Flat Roof - 10 Feet orLess from Parapet W

13The installed sidewall vent cap assembly may be paint ed to matchthe exterior color. The opening through the wall for instal la tion ofthe sidewall

14In cold climates, the use of type “B” double wall vent pipe or aninsulated single wall pipe for combustion air is recommended tohelp prevent moistur

15sealant to ensure a proper seal at the appliance con nec tion and theair inlet cap connection. Dryer vent or flex duct should use a screwtype clam

16VERTICAL COMBUSTION AIR INLETFIG. 21 Air Inlet Cap for Rooftop TerminationThe air inlet cap for the vertical roof top air inlet is assembledfrom c

17The Direct Vent system requires the installation of an additionalpipe to supply combustion air from outdoors directly to theappliance. The air inle

18The sidewall combustion air inlet cap MUST NOT be installedabove the sidewall flue outlet if it is located within a 10 foot(3.05 m) radius of the fl

19Combined Air Inlet Points The air inlet pipes from multiple ap pli anc es installed with an Intelli-Vent system can be combined to a single common c

TABLE OF CONTENTSWarranty ... 1Safety Warnings ...

20Location of a Sidewall Air Inlet CapInstallation, location and clearance requirements for the sidewallair inlet cap in an Intelli-Vent application a

21VERTICAL COMBUSTIONAIR INLETFIG. 30 Air Inlet Cap for Rooftop TerminationThe air inlet cap for the vertical roof top air inlet is assembled fromco

22CAUTIONAppliances that are shut down or will not operate mayexperience freezing due to convective airflow in the airinlet pipe connected to the app

23GAS SUPPLYVerify that the appliance is supplied with the type gas specified onthe rating plate. Consult factory for installations at altitude. INLET

24TABLE - MRecommended Gas Pipe SizeSingle Appliance InstallationsDistance from MeterBtu/hr1,500,0002"2 1/2"2 1/2"2 1/2"2 1/2"

25GAS PIPINGTRAPGAS INLETFIG. 34 Gas Line Connection to Unit with Sediment Trapand Manual Main Gas Shut-off ValveAll gas connections must be made with

261. Turn the main power switch to “OFF” position.2. Shut off gas supply at the manual gas cock in the aspiping to the ap pli ance. If fuel supply is

27supply pressure and adjust to ensure a supplypressure between 4.0 and 10.5 inches water col umn natural gas (13.0" w.c. for propane) while the

28Inlet and Outlet ConnectionsFor ease of service, install unions on inlet and outlet of theappliance. The connection to the appliance marked “Inlet”

29INTEGRAL BYPASSHOTWATEROUTLETSECONDARYHEATEXCHANGERCOLDWATERINLETPRIMARYHEATEXCHANGERPUMPBYPASS VALVEFIG. 40 Bypass Piping with Valve Actuator and

Upon receiving equipment, check for signs of ship ping damage.Pay par tic u lar attention to parts ac com pa ny ing the boiler, whichmay show signs of

30BYPASS PIPING ASSEMBLYThe primary and secondary heat ex chang ers are interconnectedwith a bypass and pump mounted in 2 1/2 inch (63.5 mm)diameter c

31TABLE - PTemperature Rise At Full Rate FireBypass Manually Fully ClosedBtu/hr Input Temperature Rise1,500,000_______________________1,70

32TABLE - QMinimum Inlet Water TemperaturesInput Minimum Return Minimum Btu/hr Temperature Setpoint1,500,000________

33RELIEF VALVEThis unit is supplied with a relief valve(s) sized in accordance withASME Boiler and Pressure Vessel Code, Sec tion IV (“HeatingBoilers”

34Venting of Gas Valves and Pressure SwitchesThe diaphragm type gas valve and op tion al gas pressure switchesare pro vid ed with threaded termination

35the inner jacket and secondary heat exchanger chamber are alsostainless steel. The stainless steel screws are identified by a sealingwasher mounted

36FIG. 48 Transformer and Relay LocationsVARIABLE FREQUENCY DRIVEFIG. 49 Internal Control Panel LocationFIG. 50 Variable Frequency DriveA transf

37blower from 25% up to 100% of capacity corresponding to thesame variation in burner input. The output from the Excel 10 tothe variable frequency dr

38Excel 10 Boiler Interface Controller - The boiler interfacecontrol ler for this appliance is based on the Excel 10 controllerplatform with unique so

39is unique to each Excel 10 and must be placed into the network ofan energy management system so that the Excel 10 can berecognized by the system.

41. Locate the appliance so that if water connections shouldleak, water damage will not occur. When such lo ca tionscannot be avoided, it is recomm

40The Command Display provides a com mu ni ca tion interface withthe Excel 10 via a series of display screens. The front view of thedisplay screen sh

41NOTE:Allow 10 seconds for data shown in the display screens toupdate when viewing or making adjustments to any of thesix adjustable points.POINTS FR

42FIG. 56a Command Display Data ScreenFIG. 56b Command Display Data ScreenFIG. 56c Command Display Data ScreenFIG. 56d Command Display Data Sc

43FIG. 56g Command Display Data ScreenSTATUS POINTSIn the screen display for a specific boiler or water heater, there willbe a Status indication. T

44Pressing the Back key will return you to the Heat Source display.The up and down arrow keys can be used to scroll the cursor upand down to the vario

45Setpoint Temp — This is the lowest boiler operating temperature thatthe boiler will maintain when the outside air temperature is at the O.A.Max. T

46INTERFACING MULTIPLE APPLIANCESPARALLEL CONNECTIONFIG. 59 E-Bus Connection to ControlsConnection between multiple Intelli-Fin appliances isaccompl

47STRIP 1/2"FROM WIRETO BE ATTACHED.1/2" (13MM)TWIST WIRESTOGETHER WITHPLIERS (MINIMUMOF THREE TURNS)INSERT TWISTED WIRESUNDER TERMINAL ANDT

48FIG. 61 Typical Building Management System DiagramHIGH WATER TEMPERATURELIMIT CONTROLFIG. 62 High Water Temperature ControlA Manual Reset High L

49HOT SURFACE IGNITION SYSTEMIGNITION CONTROL MODULEDIAGNOSTIC STATUS CODESFIG. 63 Hot Surface Ignition Control ModuleFIG. 64 Hot Surface IgniterT

5NOTEClearances from combustible construction are noted on theappliance rating plate.Maintain minimum specified clearances for adequate operation.All

50Diagnostic Status IndicationThe ignition module has an LED that indicates the status of theignition safety circuits. The flashing op er a tion of th

51OPERATION/DIAGNOSTICLIGHTS, RESETS AND SWITCHESADJHI-LIMITCIRCUITBREAKERALARMRESETSOUNDALARMPOWERSILENCEAUTORESET TESTMANUALLOW WATER CUT-OFFALARMBU

52This appliance uses a single cylindrical burner installed verticallyinto the cavity located in the center of the primary heatexchanger. There is a

53FILTER ACCESS PLATEFIG. 70 Cleaning the Internal Combustion Air Blower InletFilterCONDENSATE MANAGEMENTSYSTEM (Optional)FIG. 71 Location and Conne

54Many codes will require the acidic condensate to beneu tral ized before it can be placed in a drain system. The optionalcondensate management syste

55WARNINGUse a level to ensure that the condensate trap is level on itsbase. Failure to keep the condensate trap level can result in thespillage of

56LIGHTING INSTRUCTIONS1. STOP! Read the safety information.2. Set the Temperature Set Point func tion of the Command Display to the lowest setting.3.

57SEQUENCE OF OPERATION1. The power switch is placed in the “ON” position and the run/stop switch is in the “RUN” position.2. 120 VAC Power is supplie

5832. Rate of flue product movement is controlled by “V” Baffles on the heat exchanger to maximizeheat transfer.33. Heated products of combustion the

59NOTE:All gaskets/sealant on disassembled components or jacketpanels must be replaced with new gaskets/sealant onreassembly. Gasket and sealant kits

6TABLE - BMinimum Recommended CombustionAIR SUPPLY TO MECHANICAL ROOMBtu/hrInput1,500,000375 in2(2419 cm2)425 in2(2742 cm2)500 in2(3226 cm2)500 in2(32

60NOTE:When the combustion air blower is removed for anyreason, the inlet to the burner must be covered to preventforeign objects from falling into th

61NOTE:All gaskets/sealant on disassembled components or jacketpanels must be replaced with new gaskets/ sealant onreassembly. Gasket and sealant kit

629. Carefully reinstall the heat ex chang er if removed from the appliance.10. Reinstall inner rear jacket panels, bypass piping and condensate hoses

63FREEZE PROTECTIONCAUTIONKeep appliance area clear and free from combustiblematerials, gasoline and other flammable vapors andliquids.4. As the appl

64(d) Drain the unit completely. Remove the caps from thetwo drains located on the rear of the appliance. Open therelief valve and manually open

65PIPING LENGTHSThe boiler’s integral circulator pro vides the water flow from theprimary boiler piping, through the boiler and back to the primarysys

66PRIMARY/SECONDARY BOILER PIPINGTO EXPANSION TANKAND MAKEUP WATER SYSTEMTO SYSTEM12” MAX.FROM SYSTEMFIG. 80 Primary/Secondary Piping of a Single Bo

67The automatic bypass system allows part of the boiler discharge waterto be mixed with the inlet water to the pri ma ry heat exchanger toincrease the

68TEMPERATURE/PRESSURE GAUGEThis boiler is equipped with a dial type temperature/pressuregauge. This gauge is factory installed in the out let side o

69Boiler Operation28. Turn the run/stop switch to the “RUN” position to start boiler operation.29. Push the resets for low water lev el, high water te

7All dimensions based on net free area in square inches. Metallouvers or screens reduce the free area of a com bus tion air openinga minimum of ap pr

70DOMESTICHOT WATERSUPPLY BOILERThis section applies only to those appliance used to supplydomestic hot water, installed with a storage tank(s). The

71TABLE - EEMaximum Flow RateBtu/hr Input Maximum Flow 1,500,000 - 2,000,000 90 GPMIf higher flow rates are required through the water he

725. Be sure the pipes between the water heater or hot water supply boiler and storage tank are not less than 3 inch (76.2 mm) diameter for up to 70 e

73PIPING - MULTIPLE UNIT INSTALLATIONSMIXING VALVEBUILDINGHOT WATER SUPPLYRELIEF VALVETO DRAINLOCK-TEMPSTORAGE TANKDRAINBUILDING RETURNCOLD WATER SUPP

74TABLE - GGCommon Water Manifold SizeFor Multiple Water HeaterHot Water Supply Boiler InstallationsBtu/hr Input Temperature RisePipe siz

75THERMOSTAT SETTINGS1. The Excel 10 temperature con trol ler is adjusted to a low test setting when shipped from the factory.2. Using the Command Dis

76NOTE:(1) This water heater, when set at the lower temperaturesetting, is not capable of producing hot water of sufficienttemperature for sanitizing

77Ladder Diagram1,500,000 - 1,300,000 - 2,000,000 Btu/hr ModelsJ3546123O.C.J1J2321J4PRESETRESETCHASSIS GROUNDGNDPUGPUBLY24 VACLWCOPROBET~~~~~~~~~~~~OA

78Wiring Diagram1,500,000 - 1,300,000 - 2,000,000 Btu/hr Models8888PROGVOLTSAMPSHERTZRUNFWDREVVFDENABLEJ3EGNDGNDA1-3OHMGND GND22VDCOUTE-BUSDI-4GNDDI-3

79Wiring Diagram (continued)1,500,000 - 1,300,000 - 2,000,000 Btu/hr Models50 Hz Limit Resistor1.2K OhmYTO VFD TERMINAL NUMBER 15TO VFD TERMINAL NUMBE

8The construction air filter MUST be removed from theappliance’s air inlet before the appliance is placed in normaloperation. Once the construction ai

801/09-Printed in U.S.A.Revision Notes: Rev. 4 (IFB/IFW-i&s-04) reflectsadditional text on Page 39, changes made toFigures 47 & 48, Table AA (

9Category IV VentingA CATEGORY IV POSITIVEPRESSURE VENTING SYSTEMFIG. 10 Basic Category IV Venting - VerticalFIG. 11 Basic Category IV Venting - H