Sears 9MPD, N9MP2 manual Specifications N9MP1, General

Page 50

ManufacturersNumber (Mfr No -See Rating Plate) ALL Models

 

 

 

 

 

 

 

 

 

 

 

 

Specifications

(N9MP1)

 

 

 

 

 

 

 

 

 

NgMP1050B12A N9MP1075B12A N9MP1080F16A N9MP1100F14A NgMP110OJ20A N9MP1125J20A

General

 

 

 

 

 

 

 

 

 

 

 

 

 

GasType

 

Nat./LP

Nat./LP

Nat./LP

Nat./LP

Nat./LP

Nat./LP

Input(Btuh)

 

50,000

75,000

80,000

100,000

100,000

125,000

Output(Btuh)

 

45,500

68,000

72,000

91,000

96,500

113,750

Transformer Size (VA)

 

 

40

 

40

 

40

 

40

 

40

 

40

T'statHeatAnticipator

 

 

.10

 

.10

 

.10

 

.10

 

.10

 

.10

 

35-65

40-70

 

 

 

 

Temp. Rise (F)

 

35-65

40-70

40-70

40-70

 

 

 

 

 

Electrical(Volts/Hz/FLA)

 

11516019.8

11516018.9

11516019.0

115/60/9.0

115/60110.5

115/60/11.2

Gas & Ignition

 

Nat.

L.P.

Nat.

LE

 

 

 

 

 

 

 

 

GasType

 

Nat.

L.P.

Nat.

L.E

Nat.

LP.

Nat.

L.E

GasValve

 

HW SV9541M

HW SVg541M

HW SV9541M

HW SV9541M

HW SV9541M

HW SV9541M

RegulationType

 

SNAP

SNAP

SNAP

SNAP

SNAP

SNAP

IgnitionTypeISeries

 

HW HSP

HW HSP

HW HSP

HWHSP

HW HSP

HW HSP

ManifoldPress. (Inch'sWC)

 

3.5

10.0

3.5

10.0

3.5

I0.0

3.5

I0.0

3.5

10.0

3.5

I0.0

Std.MainOrifices (NoISize)

 

2142

2154

3142

3154

4144

4155

4146

4154

4142

4154

5142

5154

PilotOrificeSize

 

.018

.011

.018

.011

.018

.011

.018

.011

.018

.011

.018

.011

Fan Controls

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan Control(Type)

 

HW ST9160

HW ST9160

HW ST9160

HWST9160

HW ST9160

HW ST9160

Fan Control

On

 

30

 

30

 

30

 

30

 

30

 

30

(Timed-secs)

Off

60,100,140,180

60,100,140,180 60,100,140,180 60,100,140,180 60,100,140,180 60,100,140,180

Combustion

Flue Outlet Size (Inches)

Std. Outlet Temp (°5'No Elbows)

BlowerPressure 5'No Elbows (" WC) BlowerPressure40'+5-90 ° DWV Elbows (" WC) Transition Bx Pressure 5'No Elbows (" WC) TransitionBx Pressure 40'+5-90 ° DWV Elbows (" WC)

Limits & Controls

Rollout Switch (F)

Limit Control Setting (F)

Standard Pressure Sw. (Part No)

Blower Switch Pressure (Close) (" WC) Blower Switch Pressure (Open) (" WC)

Transition Switch Pressure (Close) (" WC)

Transition Switch Pressure (Open) (" WC)

High Altitude

Pressure

Sw. (Part No)

 

Blower

Switch

Pressure

(Close)

("

WC)

Blower

Switch

Pressure

(Open)

("

WC)

Transition

 

Switch

Pressure

(Close)

(" WC)

Transition

 

Switch

Pressure

(Open)

(" WC)

Long Vent Kit (Part No)

Pressure Switch (Part No)

Blower Switch Pressure (Close) (" WC)

Blower Switch Pressure (Open) (" WC)

Transition Switch Pressure (Close) (" WC)

Transition Switch Pressure (Open) (" WC)

High Altitude Long Vent Kit (Part No) Pressure Switch (Part No)

Blower Switch Pressure (Close) (" WC) Blower Switch Pressure (Open) (" WC) Transition Switch Pressure (Close) (" WC) Transition Switch Pressure (Open) (" WC)

Blower Data

Type & Size

MotorAmpsIRpm

MotorTypelH.p.

Cap.MfdNolts

FilterType& Size (Permanent- not supplied)

CoolCap. (Tons)@ .5" W.C. L, ML, MHi& Hi

Gas Conversion Kits Natto LP

LPto Nat

_Order from Service Parts

2

2

2

3

 

3

3

<140

<140

<140

<140

 

<140

<140

 

 

 

-1.8

 

-1.8

-1.8

 

 

 

-1.7

 

-1.7

-1.7

-2.6

-2.6

-2.6

-2.6

 

-2.6

-2.6

-2.3

-2.3

-2.5

-2.5

 

-2.5

-2.5

300

300

300

300

 

300

300

240

210

230

230

 

220

190

1013802

1013802

1013811

1013801

 

1013802

1013166

 

 

 

 

 

 

-1.3

 

 

 

 

 

 

-1.1

-2.2

-2.2

-1.8

-2.3

 

-2.2

-1.8

-2.0

-2.0

-1.6

-2.1

 

-2.0

-1.6

1013803

1013803

1013812

1013803

 

1013803

1013157

 

 

 

 

 

 

-0.9

 

 

 

 

 

 

-0.7

-2.0

-2.0

-1.5

-2.0

 

-2.0

-1.7

-1.8

-1.8

-1.3

-1.8

 

-1.8

-1.5

 

 

 

NAHAO01LV

 

NAHA002LV

 

 

 

 

1013518

 

1013515

 

 

 

 

-1.0

 

-1.0

 

 

 

 

-0.8

 

-0.8

 

 

 

 

-2.0

 

-1.7

 

 

 

 

-1.8

 

-1.5

 

 

 

 

NAHA003LV

 

 

 

 

1013165

 

 

 

 

 

-0.7

 

 

 

 

 

 

-0.6

 

 

 

 

 

 

-1.4

 

 

 

 

 

 

-1.2

 

 

11-8

11-8

11-10

11-10

 

11-10

11-10

10/850

8.0/1050

10/1050

10/1050

 

131900

13/900

PSC/1/2

PSC/112

PSC/112

PSC/1/2

 

PSC/314

PSC/314

7.51370

7.51370

101370

10/370

 

40/370

40/370

16x25x1

16x25x1

16x25x1

16x25x1

 

16x25x1

16x25x1

1112,2,21/2,3

11/2,2,2112,3

21/2,3,3112,4

1112,2,3,3112,

31/2,4,4112,5

31/2,4,4112,5

NAHF002LP(*1009509)

NAHF003LP

 

NAHF002LP(*1009509)

 

NAHF002NG(*1009510)

C1013815)

 

NAHF002NG(*1009510)

 

 

 

NAHF003NG

 

 

 

 

 

 

C1013816)

 

 

 

 

44001 111400

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Contents SingleStage JellJill Denotes BrandMP D 0 75 F 12 a # 440 01 1114CO2 ? Furnace/Drip- Leg? YESDate of Start-Up Frozen Water Pipe Hazard Frozen and Burst Water Pipe HazardLocation and Clearances InstallationTypical Upflow Installation Winter ShutdownFurnace Installation Considerations Installation RequirementsInstallation Positions LevelingAiRI.TAKE Dimensions & ClearancesVENTrgMPD TOPHorizontal Furnace Installation Combustion & Ventilation Air For Single Pipe InstallationAir Openings and ConnectingDucts Confined Space Installation RequirementsFree Area Unconfined Space InstallationEhr Make the Following Check Venting and Combustion Air CheckVent Check HoodDirect Vent N9MP2 Models Vent and Combustion Air PipingSingle Pipe N9MP1 Models Dual Certified gMPDModelsPipe Diameter Table N9MP2 Models Piping Insulation GuidelinesSizing Combustion Air and Vent Pipe Vent Termination ClearancesUnited States Only Condensate Drain TrapCondensate Drain Trap Freeze Protection Canada See Canadian Fuel Gas Code OtherThanDrainLine Upflow Installations Dual Certified *9MPD-A4 ModelsYellowPlasticCap TransitionDrain SomemodelsMountingScrews4 Models HorizontalLeft InstallationsDual Certified *9MPD-A4 25-24-12Rpeept.oT Switch HoseSi.g.Pre...reSwitch \ e.spre X3L/\Page ReturnAir Page Left Side Venting Stubonthecondensatetrapandsecurewitha3/4clamp Satetrapandsecurewitha3/4clamp Boxandsecurewitha3/4clampDrainstubonthetransitionandsecurewitha3/4clamp Return Air VentFitting TPipe & ClampsInlet Return Modelsshownhave TwopressureswitchesCap Air ClampsLeft Vent Pipe Connection Connecting Vent and Combustion Air PipingCombustion Air Pipe Connection Dual Certified or PVCVent Pipe Proper Sealing Procedure for Combustion BlowerHorizontal Termination Vertical Termination Using Exterior RisersCheckholesizesbymakingsureitissmallerthan the cou Vent Termination ShieldingSidewall Inlet Vent and Exhaust Air Termination Ei271Recommended Alternate Installation for Sustained ColdConcentric Vent and Combustion Air Sidewall Termination Rooftop Inlet Vent and Exhaust Air TerminationSupplyPressure Manifold Gas Pressure AdjustmentAlternate Btuh Input RatingsUSA Only Gas Supply PressureGeneral Derating Rules High Altitude Air Pressure SwitchChanging Orifices for High Altitude Changing OrificesExample Natural Gas Input Rating CheckTypical Gas Piping for Upflow Humidifier/Electronic Air Cleaner Electrical WiringPower SupplyWiring Gas Piping RequirementsFan Timer Connections InstallationFan Delay DIP Switch Settings Ductwork and FilterInsulation Filter Installation using Optional Filter RackSizing FiltersAddition Of Air Conditioning Combustible Floor InstallationAvailablefromyourdistributor StandoffFilterRack Ubbase for Combustible FloorFurnace Subbase Coil CabinetTemperature Rise Check Checks and AdjustmentsAdjust Pilot Burner Main Burner Flame CheckChanging Blower Speed Tochecktemperaturerise,usethefollowingprocedureHeating and Continuous BlowerSpeed the Same Continuous Fan OperationHeating Request with Gas Supply Line Shut Off Gas Valve Diagnostic Codes See FigureCirculating Fan G Request OFFTypical Gas Valve Honeywell Honeywell SV9541M Flashes + Honeywell SV9541M Smart Valve Trouble shootingFlashes 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 Save This Manual For Future Reference N9MP2075B12A4 N9MP2080F16A4N9MP2100F14A4 N9MP2100J20A4 N9MP2125J20A4 Denotes BrandSpecifications N9MP1 GeneralNAHA001LV NAHAO01LV NAHA002LV Specifications N9MP2Snap HW HSP Hwhsp PSC/I/2 PSC/II2NAHA00SLV Specifications 9MPD3OO For 100 Models 5 Ton 223/4 Units For 075 Models 3 Ton UnitsFor 100 Models Ton 19 & 22314 Units For 125 Models 5 Ton UnitsD22 Connection DiagramDisconnect Before Servicing Ladder Diagram = = =@O,c25-23-95 FF18125J Key Description PartFunctional 100J 125JLOOJ 125J Non-Functional Number 12A O50B 075B 080F LOOF LOOJ 125JIoof 1GA100F 100J KeyDescription No. Non-FunctionalNgMP1 050B 075B 080F 100F 100J 125J Number 16A 14A 20AGMPD Number KeyDescription No.FunctionalHeat Exchanger,Primary Heat Exchanger,Secondary 050F12AKeyDescription No.Non- Functional Models *9MPDO50F12A4, Natural Gas Replacement part supplied 080J16ANon- Functional Non-FunctionalKey Description 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.
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