Sears 9MPD, N9MP2, N9MP1 manual Key Description Part, Functional, 100J 125J, 20A 12A, 5Mfd

Page 56

IReplacement Parts - NgMP1 & NgMP2

Models - N9MP1050B12A4, N9MP1075B12A4, N9MP1080F16A4, N9MP1100F14A4, N9MP1100J20A4 &

N9MP1125J20A4 - N9MP2050B12A4, N9MP2075B12A4, N9MP2080F16A4, N9MP2100F14A4, N9MP2100J20A4 & N9MP2125J20A4 (Natural Gas)

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

Key

Description

Part

 

 

N9MP1

 

 

 

 

N9MP2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No,

Functional

Number

050B

075B

080F

100F

100J

125J

050B

075B

080F

100F

100J

125J

 

 

 

12A

12A

16A

14A

20A

20A

12A

12A

16A

14A

20A

20A

1

Heat Exchanger,Primary

1012847

1

 

 

 

 

 

1

 

 

 

 

 

 

 

1012851

 

1

 

 

 

 

 

1

 

 

 

 

 

 

1012855

 

 

1

1

 

 

 

 

1

1

 

 

 

 

1012856

 

 

 

 

1

 

 

 

 

 

1

 

 

 

1012859

 

 

 

 

 

1

 

 

 

 

 

1

2

Heat Exchanger,Secondary

1013760

1

 

 

 

 

 

1

 

 

 

 

 

 

 

1013761

 

1

 

 

 

 

 

1

 

 

 

 

 

 

1013764

 

 

1

1

 

 

 

 

1

1

 

 

 

 

1013765

 

 

 

 

1

 

 

 

 

 

1

 

 

 

1013766

 

 

 

 

 

1

 

 

 

 

 

1

3

Motor, Blower

1009052

1

 

1

 

 

 

1

 

1

 

 

 

 

 

1013341

 

1

 

1

 

 

 

1

 

1

 

 

 

 

1011906

 

 

 

 

1

1

 

 

 

 

1

1

4

Mount, Motorkit

1013379

1

1

 

 

 

 

1

1

 

 

 

 

 

 

522020024

 

 

1

1

1

1

 

 

1

1

1

1

5

Wheel, Blower

1013011

1

1

 

 

 

 

1

1

 

 

 

 

 

 

1011420

 

 

1

1

1

1

 

 

1

1

1

1

6

Transformer

1012722

1

1

1

1

1

1

1

1

1

1

1

1

7

Capacitor, 10Mfd, 370V

1094956

1

 

1

 

 

 

1

 

1

 

 

 

 

7.5Mfd.,370V

1094239

 

1

 

1

 

 

 

1

 

1

 

 

 

40Mfd.,370V

1012176

 

 

 

 

1

1

 

 

 

 

1

1

8

Control,Fan Timer

1012358

1

1

1

1

1

1

1

1

1

1

1

1

9

Switch, Interlock

1012351

1

1

1

1

1

1

1

1

1

1

1

1

10

Switch, Pressure

1013802

1

1

 

 

1

 

1

 

 

 

1

 

 

 

1013811

 

 

1

 

 

 

 

 

1

 

 

 

 

 

1013801

 

 

 

1

 

 

 

1

 

1

 

 

 

 

1013166

 

 

 

 

 

1

 

 

 

 

 

1

11

Blower,Exhaust(Jakel)

1014338

1

1

1

1

1

 

1

1

1

1

1

 

 

 

1014341

 

 

 

 

 

1

 

 

 

 

 

1

12

Valve,Gas HSP Nat.

1013350

1

1

1

1

1

1

1

1

1

1

1

1

13

Burner,PilotHSP

1008731

1

1

1

1

1

1

1

1

1

1

1

1

14

Igniter/SensorHSP

1009524

1

1

1

1

1

1

1

1

1

1

1

1

15

Orifice,Burner#42 Nat.

1011351

2

3

 

4

4

5

2

3

 

4

4

5

 

#44 Nat.

1011352

 

 

4

 

 

 

 

 

4

 

 

 

16

Switch, Limit(Reneut)

1013102

2

2

2

2

2

2

2

2

2

2

2

2

17

BurnerAssembly

1008723

1

 

 

 

 

 

1

 

 

 

 

 

 

 

1008724

 

1

 

 

 

 

 

1

 

 

 

 

 

 

1008725

 

 

1

1

1

 

 

 

1

1

1

 

 

 

1008726

 

 

 

 

 

1

 

 

 

 

 

1

18

Switch, Limit(Main)

34335001

 

1

 

 

 

 

 

1

 

 

 

 

 

 

34335002

1

 

 

 

 

 

1

 

 

 

 

 

 

 

1320361

 

 

1

1

 

 

 

 

1

1

 

 

 

 

1008445

 

 

 

 

 

1

 

 

 

 

 

1

 

 

1320367

 

 

 

 

1

 

 

 

 

 

1

 

19

Orifice,Pilot .018

503211

1

1

1

1

1

1

1

1

1

1

1

1

_]

440 01 1114O0

Page 55 Page 57
Image 56
Page 55 Page 57
Contents SingleStage Denotes Brand MP D 0 75 F 12 a #JellJill 440 01 1114CO2 ? Furnace/Drip- Leg? YESDate of Start-Up Frozen Water Pipe Hazard Frozen and Burst Water Pipe HazardInstallation Typical Upflow InstallationLocation and Clearances Winter ShutdownInstallation Requirements Installation PositionsFurnace Installation Considerations LevelingDimensions & Clearances VENTrgMPDAiRI.TAKE TOPCombustion & Ventilation Air For Single Pipe Installation Air Openings and ConnectingDuctsHorizontal Furnace Installation Confined Space Installation RequirementsFree Area Unconfined Space InstallationEhr Venting and Combustion Air Check Vent CheckMake the Following Check HoodVent and Combustion Air Piping Single Pipe N9MP1 ModelsDirect Vent N9MP2 Models Dual Certified gMPDModelsPiping Insulation Guidelines Sizing Combustion Air and Vent PipePipe Diameter Table N9MP2 Models Vent Termination ClearancesCondensate Drain Trap Condensate Drain Trap Freeze ProtectionUnited States Only Canada See Canadian Fuel Gas Code OtherThanUpflow Installations Dual Certified *9MPD-A4 Models YellowPlasticCapDrainLine TransitionDrain SomemodelsMountingScrews4 HorizontalLeft Installations Dual Certified *9MPD-A4Models 25-24-12Switch Hose Si.g.Pre...reSwitchRpeept.oT \ e.spre X3L/\Page ReturnAir Page Left Side Venting Stubonthecondensatetrapandsecurewitha3/4clamp Satetrapandsecurewitha3/4clamp Boxandsecurewitha3/4clampDrainstubonthetransitionandsecurewitha3/4clamp Return Air VentFitting TPipe & ClampsInlet Modelsshownhave Twopressureswitches CapReturn Air ClampsLeft Connecting Vent and Combustion Air Piping Combustion Air Pipe Connection Dual Certified orVent Pipe Connection PVCVent Pipe Proper Sealing Procedure for Combustion BlowerHorizontal Termination Using Exterior Risers Checkholesizesbymakingsureitissmallerthan the couVertical Termination Vent Termination ShieldingEi271Recommended Alternate Installation for Sustained Cold Concentric Vent and Combustion Air Sidewall TerminationSidewall Inlet Vent and Exhaust Air Termination Rooftop Inlet Vent and Exhaust Air TerminationManifold Gas Pressure Adjustment Alternate Btuh Input RatingsUSA OnlySupplyPressure Gas Supply PressureHigh Altitude Air Pressure Switch Changing Orifices for High AltitudeGeneral Derating Rules Changing OrificesExample Natural Gas Input Rating CheckTypical Gas Piping for Upflow Electrical Wiring Power SupplyWiringHumidifier/Electronic Air Cleaner Gas Piping RequirementsInstallation Fan Delay DIP Switch SettingsFan Timer Connections Ductwork and FilterFilter Installation using Optional Filter Rack SizingInsulation FiltersCombustible Floor Installation Availablefromyourdistributor StandoffFilterRackAddition Of Air Conditioning Ubbase for Combustible FloorFurnace Subbase Coil CabinetChecks and Adjustments Adjust Pilot BurnerTemperature Rise Check Main Burner Flame CheckTochecktemperaturerise,usethefollowingprocedure Heating and Continuous BlowerSpeed the SameChanging Blower Speed Continuous Fan OperationGas Valve Diagnostic Codes See Figure Circulating Fan G RequestHeating Request with Gas Supply Line Shut Off OFFTypical Gas Valve Honeywell Honeywell SV9541M Honeywell SV9541M Smart Valve Trouble shooting FlashesFlashes + Flashes + SoftLockoutConcentric Vent Termination Kit # Concentric TerminationVent Termination Clearances Arerequiredtocompletetheinstallation Concentric Vent Roof InstallationConcentric Vent and Combustion Air Side Termination Rain Cap to Vent Pipe AssemblyConcentric Termination Kit NAHA001CV & NAHA002CV Venting Concentric Vent Sidewall Attachment 25-22-02440011114O0 N9MP2075B12A4 N9MP2080F16A4 N9MP2100F14A4 N9MP2100J20A4 N9MP2125J20A4Save This Manual For Future Reference Denotes BrandSpecifications N9MP1 GeneralSpecifications N9MP2 Snap HW HSP HwhspNAHA001LV NAHAO01LV NAHA002LV PSC/I/2 PSC/II2NAHA00SLV Specifications 9MPD3OO For 075 Models 3 Ton Units For 100 Models Ton 19 & 22314 UnitsFor 100 Models 5 Ton 223/4 Units For 125 Models 5 Ton UnitsConnection Diagram Disconnect Before Servicing Ladder DiagramD22 = = =@O,c25-23-95 FF18Key Description Part Functional125J 100J 125JO50B 075B 080F LOOF LOOJ 125J IoofLOOJ 125J Non-Functional Number 12A 1GAKeyDescription No. Non-Functional NgMP1 050B 075B 080F 100F 100J 125J Number100F 100J 16A 14A 20AKeyDescription No.Functional Heat Exchanger,Primary Heat Exchanger,SecondaryGMPD Number 050F12AKeyDescription No.Non- Functional Models *9MPDO50F12A4, Natural Gas Replacement part supplied 080J16ANon-Functional Key DescriptionNon- Functional Number

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.
Top Page Image Contents