Laars NEOTHERM NTH Installation And Operation Instructions Manual

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Page 1N EO THERM Boilers and Water HeatersSection 1 -GENERAL INFORMATIONWARNINGNeoTherm units must be installed in accordancewith the procedures detailed in this manual, or theLAARS Heating Systems warranty will be voided.The installation must conform to the requirementsof the local jurisdiction having authority, and, in theUnited States, to the latest edition of the NationalFuel Gas Code, ANSI Z223.1/NFPA54. In Canada,the installation must conform to the latest editionof CSA B149.1 Natural Gas and Propane GasInstallation Code, and/or local codes. Where requiredby the authority having jurisdiction, the installationof NeoTherm boilers must conform to the Standardfor Controls and Safety Devices for AutomaticallyFired Boilers, ANSI/ASME CSD-1. Any modificationsto the boiler, its gas controls, or wiring may void thewarranty. If field conditions require modifications,consult the factory representative before initiatingsuch modifications.1.1 IntroductionThis manual provides information necessary for theinstallation, operation, and maintenance of LAARS HeatingSystems NeoTherm appliances. Read it carefully beforestarting the installation.All application and installation procedures should be reviewedcompletely before proceeding with the installation. Consultthe LAARS Heating Systems factory, or local factoryrepresentative, with any problems or questions regardingthis equipment. Experience has shown that most operatingproblems are caused by improper installation.NeoTherm is protected against over pressurization. Apressure relief valve is included with each NeoTherm. SomeNeoTherms may require that the PRV be installed prior tofilling the system. Refer to Figures 1-7 for PRV locations.DANGERThe inlet gas pressure to the appliance must notexceed 13” W.C. (3.2kPa).All installations must be made in accordance with 1)American National Standard Z223.1/NFPA54-Latest Edition“National Fuel Gas Code” or 2) CSA B149.1 “Natural Gasand Propane Installation Code” and with the requirement ofthe local utility or other authorities having jurisdiction. Suchapplicable requirements take precedence over the generalinstructions contained herein.All electrical wiring is to be done in accordance with the localcodes, or in the absence of local codes, with: 1) The NationalElectrical Code ANSI/NFPA No. 70-latest Edition, or 2)CSA STD. C22.1 “Canadian Electrical Code - Part 1”. Thisappliance must be electrically grounded in accordance withthese codes.1.2 Model IdentificationConsult the rating plate on the unit. The following informationdescribes the model number structure.(1-2) Model Series DesignationN T = NeoTherm(3) UsageH = HydronicV = Volume Water(4-6) Size0 8 0 = 80,000 BTU/hr input1 0 5 = 105,000 BTU/hr input1 5 0 = 150,000 BTU/hr input1 9 9 = 199,000 BTU/hr input2 1 0 = 210,000 BTU/hr input2 8 5 = 285,000 BTU/hr input3 9 9 = 399,000 BTU/hr input5 0 0 = 500,000 BTU/hr input6 0 0 = 600,000 BTU/hr input7 5 0 = 750,000 BTU/hr input8 5 0 = 850,000 BTU/hr input(7) FuelN = Natural GasP = LP Gas(8) Options CodeX = Standard UnitJ = CSD-1, FM, GAP, IL Code (size 500-850 only)(9) Pump OptionsN = Pump included (80-500 only)X = No pump (configuration available for all sizes)(10) Revision3 = Third version1 2 3 4 5 6 7 8 9 10 11SERIESN TUSAGEH - HYDRONICV - VOLUMEWATERSIZEMBTU/h0 8 01 0 51 5 01 9 92 1 02 8 53 9 95 0 06 0 07 5 08 5 0FUELN - NATURALP - PROPANEOPTIONS CODEX - STANDARDJ - CSD-1,FM, GAP,IL (500-850 only)PUMP OPTIONSN - PUMP INCL.(80-500 only)X - NO PUMPREVISION3 - THIRDREG DESIGNATIONModel NomenclatureB3N TB - INTERNAL USENTH onlyNTH onlyNTV onlyNTH only