Sears 9MPD KeyDescription No.Functional, Heat Exchanger,Primary Heat Exchanger,Secondary, 050F12A

Page 59

IReplacement Parts - *9MPD

Models - *9MPDO50F12A4, *9MPDO75F12A4, *9MPDO80J16A4, *9MPD100J14A4, *9MPDIOOJ2OA4 & *9MPD125L20A4 (Natural Gas)

Replacement part supplied

KeyDescription

No.Functional

1Heat Exchanger,Primary

2Heat Exchanger,Secondary

Motor, Blower

4Mount, Motor kit

5Wheel, Blower

6Transformer

7Capacitor,7.SMfd.,370V

10Mfd.,370V

40Mfd.,370V

8Control,Fan Timer

9Switch,Interlock

10 Switch,Pressure

11 Blower,Exhaust(Jakel)

12Valve,Gas HSP Nat.

13Burner,Pilot HSP

14Igniter/SensorHSP

15Orifice,Burner #42 Nat. #44 Nat

16Switch,Limit(Rollout)

17BurnerAssembly

18Switch, Limit (Main)

Orifice, Pilot .018

*Denotes Brand

will be current active part. For parts not listed, consult place of purchase.

Part

 

 

 

*gMPD

 

 

Number

050F12A

075F12A

080J16A

100J14A

100J20A

125L2OA

1012850

1

 

 

 

 

 

1012854

1

 

 

 

 

 

 

 

 

 

1012858

 

 

 

 

 

 

1012862

 

 

 

 

 

 

1013762

 

 

 

 

 

 

1013763

 

 

 

 

 

 

1013765

 

 

1

 

 

 

1013767

 

 

 

 

 

 

1009052

 

 

1

 

 

 

1013341

 

 

 

 

 

 

1011906

 

 

 

 

1

1

1013379

I

 

 

 

 

 

522020024

 

 

1

 

1

1

1013011

I

 

 

 

 

 

1011420

 

1

1

I

1

1

1012722

I

1

1

I

1

1

1094239

 

1

 

I

 

 

1094956

I

 

1

 

 

 

1012176

 

 

 

 

1

1

1012358

I

1

1

I

1

1

1012351

I

1

1

I

1

1

1013802

I

1

 

I

1

 

1013812

 

 

1

 

 

 

1013166

 

 

 

 

 

 

1014388

 

 

1

 

 

 

1014341

 

 

 

 

 

1

1013350

1

1

1

1

1

1

1008731

1

1

1

1

1

1

1009524

1

1

1

1

1

1

1011351

2

3

 

4

4

5

1011352

 

 

4

 

 

 

1013102

 

 

2

 

 

 

1008723

 

 

 

 

 

 

1008724

 

 

 

 

 

 

1008725

 

 

 

 

 

 

1008726

 

 

 

 

 

 

1320366

 

 

 

 

 

 

34335002

 

 

 

 

 

 

1008445

 

 

 

 

 

1

1320367

 

 

1

1

1

 

503211

 

 

1

1

1

1

44001 1114O0

[_

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Image 59
Page 58 Page 60
Contents SingleStage 440 01 1114 Denotes BrandMP D 0 75 F 12 a # JellJillCO2 ? Furnace/Drip- Leg? YESDate of Start-Up 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 InstallationFree Area Unconfined Space InstallationEhr 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 DrainLineDrain SomemodelsMountingScrews4 25-24-12 HorizontalLeft InstallationsDual Certified *9MPD-A4 Models\ e.spre X3L/\ Switch HoseSi.g.Pre...reSwitch Rpeept.oTPage ReturnAir Page Left Side Venting Stubonthecondensatetrapandsecurewitha3/4clamp Satetrapandsecurewitha3/4clamp Boxandsecurewitha3/4clampDrainstubonthetransitionandsecurewitha3/4clamp Return Air VentFitting TPipe & ClampsInlet Air Clamps Modelsshownhave TwopressureswitchesCap ReturnLeft PVC Connecting Vent and Combustion Air PipingCombustion Air Pipe Connection Dual Certified or Vent Pipe ConnectionVent Pipe Proper Sealing Procedure for Combustion BlowerHorizontal Termination 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 RulesExample Natural Gas Input Rating CheckTypical Gas Piping for Upflow 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 +Concentric Vent Termination Kit # Concentric TerminationVent Termination Clearances Concentric Vent Roof Installation ArerequiredtocompletetheinstallationConcentric Vent and Combustion Air Side Termination Rain Cap to Vent Pipe AssemblyConcentric Termination Kit NAHA001CV & NAHA002CV Venting 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 NAHA002LVNAHA00SLV Specifications 9MPD3OO 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

9MPD, N9MP1, N9MP2 specifications

The Sears N9MP2, N9MP1, and 9MPD are prominent models in the realm of residential heating systems, specifically designed to provide efficient and effective heating solutions. These models are part of Sears' commitment to quality and innovation, making them a popular choice among homeowners seeking reliability and performance.

The N9MP2 is a high-efficiency multi-speed gas furnace that boasts an impressive AFUE (Annual Fuel Utilization Efficiency) rating. This feature allows the furnace to convert a significant portion of fuel into usable heat, which effectively translates to lower energy bills for homeowners. The unit is equipped with a two-stage gas valve that provides increased comfort by adjusting the heating output based on demand, ensuring an even temperature throughout the home.

The N9MP1, like its counterpart, is known for its reliability and efficiency. It offers a single-stage operation that is ideal for homes needing consistent heating without the necessity for the more complex stages present in two-stage systems. This model also has a good AFUE rating, making it a cost-effective solution for families looking to reduce their heating expenses. Its design is tailored for easy installation and maintenance, allowing homeowners to keep their heating systems running at optimal performance without hassle.

The 9MPD model takes a step further with its advanced technology integration. It features a sophisticated control board that allows for easier diagnostics and enhanced system management. The 9MPD is also designed with quiet operation in mind, employing advanced sound-reduction technologies to minimize noise levels during heating cycles. Homeowners will appreciate the peace and quiet it brings, particularly in shared living spaces.

All three models are equipped with high-quality insulation and specialized heat exchangers that enhance their thermal efficiency. Additionally, they are designed with safety features such as automatic shut-off systems and robust flame rollout protection, ensuring a safe heating experience.

In terms of characteristics, these models are generally constructed with durable materials, designed to endure harsh weather conditions while providing consistent heating. They can be connected to various home automation systems, which adds to their appeal for tech-savvy consumers.

In conclusion, the Sears N9MP2, N9MP1, and 9MPD represent a comprehensive lineup of reliable, efficient, and technologically advanced heating systems suitable for contemporary homes. Their dedication to performance ensures that homeowners enjoy a warm and energy-efficient environment throughout the chilly seasons.
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