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Sears N9MP1, N9MP2, 9MPD manual 25-23-95, FF18

Models: 9MPD N9MP1 N9MP2

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25-23-95

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Page 55

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Sears N9MP1, N9MP2, 9MPD manual 25-23-95, FF18

Contents

SingleStage 440 01 1114 Denotes BrandMP D 0 75 F 12 a # JellJillDate of Start-Up Furnace/Drip- Leg? YESCO2 ? Frozen and Burst Water Pipe Hazard Frozen Water Pipe HazardWinter Shutdown InstallationTypical Upflow Installation Location and ClearancesLeveling Installation RequirementsInstallation Positions Furnace Installation ConsiderationsTOP Dimensions & ClearancesVENTrgMPD AiRI.TAKEConfined Space Installation Requirements Combustion & Ventilation Air For Single Pipe InstallationAir Openings and ConnectingDucts Horizontal Furnace InstallationEhr Unconfined Space InstallationFree Area Hood Venting and Combustion Air CheckVent Check Make the Following CheckDual Certified gMPDModels Vent and Combustion Air PipingSingle Pipe N9MP1 Models Direct Vent N9MP2 ModelsVent Termination Clearances Piping Insulation GuidelinesSizing Combustion Air and Vent Pipe Pipe Diameter Table N9MP2 ModelsCanada See Canadian Fuel Gas Code OtherThan Condensate Drain TrapCondensate Drain Trap Freeze Protection United States OnlyTransition Upflow Installations Dual Certified *9MPD-A4 ModelsYellowPlasticCap DrainLineMountingScrews4 SomemodelsDrain 25-24-12 HorizontalLeft InstallationsDual Certified *9MPD-A4 Models\ e.spre X3L/\ Switch HoseSi.g.Pre...reSwitch Rpeept.oTPage ReturnAir Page Left Side Venting Drainstubonthetransitionandsecurewitha3/4clamp Satetrapandsecurewitha3/4clamp Boxandsecurewitha3/4clampStubonthecondensatetrapandsecurewitha3/4clamp Inlet VentFitting TPipe & ClampsReturn Air Air Clamps Modelsshownhave TwopressureswitchesCap ReturnLeft PVC Connecting Vent and Combustion Air PipingCombustion Air Pipe Connection Dual Certified or Vent Pipe ConnectionHorizontal Termination Proper Sealing Procedure for Combustion BlowerVent Pipe Vent Termination Shielding Using Exterior RisersCheckholesizesbymakingsureitissmallerthan the cou Vertical TerminationRooftop Inlet Vent and Exhaust Air Termination Ei271Recommended Alternate Installation for Sustained ColdConcentric Vent and Combustion Air Sidewall Termination Sidewall Inlet Vent and Exhaust Air TerminationGas Supply Pressure Manifold Gas Pressure AdjustmentAlternate Btuh Input RatingsUSA Only SupplyPressureChanging Orifices High Altitude Air Pressure SwitchChanging Orifices for High Altitude General Derating RulesTypical Gas Piping for Upflow Natural Gas Input Rating CheckExample Gas Piping Requirements Electrical WiringPower SupplyWiring Humidifier/Electronic Air CleanerDuctwork and Filter InstallationFan Delay DIP Switch Settings Fan Timer ConnectionsFilters Filter Installation using Optional Filter RackSizing InsulationUbbase for Combustible Floor Combustible Floor InstallationAvailablefromyourdistributor StandoffFilterRack Addition Of Air ConditioningCoil Cabinet Furnace SubbaseMain Burner Flame Check Checks and AdjustmentsAdjust Pilot Burner Temperature Rise CheckContinuous Fan Operation Tochecktemperaturerise,usethefollowingprocedureHeating and Continuous BlowerSpeed the Same Changing Blower SpeedOFF Gas Valve Diagnostic Codes See FigureCirculating Fan G Request Heating Request with Gas Supply Line Shut OffTypical Gas Valve Honeywell Honeywell SV9541M Flashes + SoftLockout Honeywell SV9541M Smart Valve Trouble shootingFlashes Flashes +Vent Termination Clearances Concentric TerminationConcentric Vent Termination Kit # Concentric Vent Roof Installation ArerequiredtocompletetheinstallationConcentric Termination Kit NAHA001CV & NAHA002CV Venting Rain Cap to Vent Pipe AssemblyConcentric Vent and Combustion Air Side Termination 25-22-02 Concentric Vent Sidewall Attachment440011114O0 Denotes Brand N9MP2075B12A4 N9MP2080F16A4N9MP2100F14A4 N9MP2100J20A4 N9MP2125J20A4 Save This Manual For Future ReferenceGeneral Specifications N9MP1PSC/I/2 PSC/II2 Specifications N9MP2Snap HW HSP Hwhsp NAHA001LV NAHAO01LV NAHA002LV3OO Specifications 9MPDNAHA00SLV For 125 Models 5 Ton Units For 075 Models 3 Ton UnitsFor 100 Models Ton 19 & 22314 Units For 100 Models 5 Ton 223/4 Units= = =@O,c Connection DiagramDisconnect Before Servicing Ladder Diagram D22FF18 25-23-95100J 125J Key Description PartFunctional 125J1GA O50B 075B 080F LOOF LOOJ 125JIoof LOOJ 125J Non-Functional Number 12A16A 14A 20A KeyDescription No. Non-FunctionalNgMP1 050B 075B 080F 100F 100J 125J Number 100F 100J050F12A KeyDescription No.FunctionalHeat Exchanger,Primary Heat Exchanger,Secondary GMPD NumberKeyDescription No.Non- Functional 080J16A Models *9MPDO50F12A4, Natural Gas Replacement part suppliedNumber Non-FunctionalKey Description Non- Functional