Sears N9MP1100J20B1, N9MP2050B12B1 manual Model Specifications, Specifications N9MP1, General

Page 50

Model Specifications

Manufacturers Number (Mfr No -See Rating Plate) ALL Models

Specifications (N9MP1)

 

N9MP1050B12B

N9MP1075B12B

General

 

 

 

 

GasType

Nat./LP

Nat./LP

Input(Btuh)

50,000

75,000

Output(Btuh)

45,500

68,000

Transformer Size (VA)

 

40

 

40

T'statHeatAnticipator

 

.10

 

.10

35-65

40-70

Temp. Rise (F)

Electrical(VoltslHz/FLA)

11516019.8

11516018.9

Gas & Ignition

Nat.

L.P.

Nat.

L.E

GasType

 

 

 

 

GasValve

HW SV9541M

HW SV9541M

RegulationType

SNAP

SNAP

HW HSP

HW HSP

IgnitionType/Sedes

ManifoldPress. (Inch'sWC)

3.5

10.0

3.5

10.0

Std.MainOrifices (No/Size)

2/42

2/54

3/42

3/54

PilotOrificeSize

.018

.011

.018

.011

Fan Controls

 

 

 

 

 

 

 

 

 

Fan Control(Type)

 

 

 

 

 

 

HW ST9160

HW ST9160

Fan Control

 

 

 

On

 

 

30

30

(Timed-secs)

 

 

Off

 

 

60,100,140,180

60,100,140,180

Combustion

 

 

 

 

 

 

 

 

 

Flue Outlet

Size

(Inches)

 

 

 

2

2

Std. Outlet

Temp

(°5'No Elbows)

 

 

<140

<140

Blower Pressure 5'No Elbows (" WC)

 

 

 

 

BlowerPressure40'+5-90 ° DWV Elbows

(" WC)

 

 

Transition Bx Pressure

 

5'No Elbows

(" WC)

-2.6

-2.6

TransitionBx Pressure

40'+5-90 ° DWV

Elbows (" WC)

-2.3

-2.3

Limits & Controls

 

 

 

 

 

 

 

 

RolloutSwitch_F)

 

 

 

 

 

 

300

300

LimitControl Setting(F)

 

 

 

 

 

240

210

Standard

Pressure

Sw.

(Part

No)

 

 

1013802

1013802

Blower Switch Pressure (Close) (" WC)

 

 

Blower Switch Pressure (Open) (" WC)

-2.2

-2.2

Transition

Switch

Pressure

(Close)

(" WC)

Transition

Switch

Pressure

(Open)

(" WC)

-2.0

-2.0

High Altitude Pressure Sw. (Part No)

 

1013803

1013803

 

 

 

Blower Switch Pressure (Close) (" WC)

 

 

Blower Switch Pressure (Open) (" WC)

 

 

Transition

Switch

Pressure

(Close)

(" WC)

-2.0

-2.0

Transition Switch Pressure (Open) (" WC)

-1.8

-1.8

 

 

Long Vent Kit (Part No)

 

 

 

--

NAHA001LV

Pressure

Switch

(Part

No)

 

 

 

--

1013518

Blower

Switch

Pressure

(Close)

(" WC)

--

-1.0

Blower Switch Pressure (Open) (" WC)

--

-0.8

--

-2.0

Transition

Switch

Pressure

(Close)

(" WC)

Transition Switch Pressure (Open) (" WC)

--

-1.8

 

 

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

 

 

 

 

 

 

 

11-8

11-8

 

 

 

 

 

 

 

10/850

8.0/1050

MotorAmps/Rpm

 

 

 

 

 

 

MotorType/H.p.

 

 

 

 

 

 

PSC/1/2

Pscil/2

Cap.Mfd/Volts

 

 

 

 

 

 

7.51370

7.51370

 

 

 

 

 

 

16x25x1

16x25x1

FilterType& Size (Permanent- not supplied)

 

 

 

 

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

 

11/2,2,21/2,3

11/2,2,21/2,3

Gas Conversion Kits

 

 

 

 

 

 

 

Natto LP

 

 

 

 

 

 

 

 

NAHFO02LP(q009509)

LPto Nat

 

 

 

 

 

 

 

 

NAHF002NG(1009510)

*Order from

Service

Parts

 

 

 

 

 

N9MP1080F16B

N9MP1100F14B

NgMP1100J20B

N9MP1125J20B

Nat./LP

Nat./LP

Nat./LP

Nat./LP

80,000

100,000

100,000

125,000

72,000

91,000

96,500

113,750

40

 

 

40

40

 

 

40

.10

 

 

.10

.10

 

 

.10

35-65

40-70

40-70

40-70

11516019.0

11516019.0

115160110.5

115160111.2

Nat.

L.P.

Nat.

L.R

Nat.

LP.

Nat.

L.P.

HW SV9541M

HW SV9541M

HW SV9541M

HW SV9541M

SNAP

 

SNAP

SNAP

SNAP

HW HSP

HWHSP

HW HSP

HW HSP

3.5

10.0

3.5

10.0

3.5

10.0

3.5

10.0

4144

4155

4/46

4154

4142

4/54

5/42

5154

.018

.011

.018

.011

.018

.011

.018

.011

HW ST9160

HWST9160

HW ST9160

HW ST9160

30

 

 

30

30

 

 

30

60,100,140,180

60,100,140,180

60,100,140,180

60,100,140,180

2

 

 

3

3

 

 

3

<140

 

<140

<140

 

<140

--

 

 

-1.8

-1.8

 

 

-1.8

--

 

 

-1.7

-1.7

 

 

-1.7

-2.6

 

 

-2.6

-2.6

 

 

-2.6

-2.5

 

 

-2.5

-2.5

 

 

-2.5

300

 

 

300

300

 

 

300

230

 

 

230

220

 

 

190

1013811

1013801

1013802

1013166

 

 

 

 

 

 

 

-1.3

 

 

 

 

 

 

 

-1.1

-1.8

 

 

-2.3

-2.2

 

 

-1.8

-1.6

 

 

-2.1

-2.0

 

 

-1.6

1013812

1013803

1013803

1013157

 

 

 

 

 

 

 

-0.9

 

 

 

 

 

 

 

-0.7

-1.5

 

 

-2.0

-2.0

 

 

-1.7

-1.3

 

 

-1.8

-1.8

 

 

-1.5

 

 

NAHAO01LV

NAHA001LV

 

 

 

 

1013518

1013518

 

 

 

 

 

-1.0

-1.0

 

 

 

-0.8-0.8

-2.0-2.0

-1.8-1.8

NAHA003LV

1013165 -0.7 -0.6 -1.4 -1.2

11-10

11-10

11-10

11-10

10/1050

10/1050

131900

131900

PSC/1/2

PSCIl/2

PSC/3/4

PSC/3/4

10/370

101370

40/370

401370

16x25x1

16x25x1

16x25x1

16x25x1

21/2,3,31/2,4

11/2,2,3,31/2,

3112,4,4112,5

31/2,4,41/2,5

NAHF003LPNAHF002LP(1009509)

¢1013815)NAHFOO2NG(*1009510) NAHF003NG

¢1013816)

440 01 102004

Page 49 Page 51
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Page 49 Page 51
Contents Table of Contents SingleStageYES NOE KeepThis page for future reference YESSafety Rules Location and Clearances InstallationFrozenWater Pipe Hazard Typical Downflow Installation Installation RequirementsTypical Upflow Installation Dimensions & Clearances Leveling Requirements Air Openings and Connecting DuctsCombustion Ventilation Air Unusually Tight Construction Venting and Combustion Air CheckExample Ventilation AirSingle Pipe N9MP1 Models For Two Pipe InstallationVent and Combustion Air Piping Direct Vent N9MP2 ModelsContaminated Combustion Air TocompensateforoxygenburnedSee.Confined Space InstallaPiping Insulation Guidelines Vent and Combustion Air Piping GuidelinesVent Termination Clearances Sizing Combustion Air and Vent PipeN9MP1 & *9MPD Models Carbon Monoxide POISONING, Fire and Explosion Hazard440O1102004 Clearance Description15cmforappliances10,OOOBTUH3kW,12 CondensateDrain Trap Condensate Drain Trap Freeze ProtectionUpflow Installations Top Vent Upflow Installations Top Vent See FigureSwitch UpflowInstallationsVentthru LeftSideUpflow Installations Vent thru Left Side See Figure Side ViewOnly All ModelsVentthru RightSideAll Models Vent thru Right Side See Figure Inlet 4= Downflow Left Side Vent and Trap SeeFigurePVC 3/4 Downflow Right Side Vent and TrapDownflow Right Side Vent and Trap See Figure Coupling & Clamps 112ID Drain Hose On SomeHorizontal Left Thru Top Horizontal Left-Thru Top SeeHorizontal Left-Side Vent See Figure Horizontal Left-Side Vent16ID Rubber Tube\\ Horizontal Right thru TopYellowor black Relief Tube ExtensionHorizontalRight-SideVent Horizontal Right Side Vent SeeFigureOpen Tee Connecting Tee Trap to Condensate Trap and Main Drain LineConnecting Vent and Combustion Air Piping Tee TrapVent Pipe Connection Connecting Vent Pipes and TerminationProper Sealing Procedure for Combustion Fire HazardVertical Termination Using Exterior RisersHorizontal Termination Vent Termination ShieldingSidewall Inlet Vent and Exhaust Air Termination Multi Vent Termination ClearancesConcentric Vent and Combustion Air Sidewall Termination CmbustincncentricRoof -AirTerminationventandGas Supply Pressure Manifold Gas Pressure AdjustmentSupply Pressure IAIternate Input Ratings, USA onlyFor the 50,000, 75,000, 100,000 and 125,000 Btuh Models NaturalPressure TaiElectrical SHOCK, Fire or Explosion Hazard High Altitude Air Pressure SwitchGeneral Derating Rules Changing OrificesLow Pressure Gas Piping RequirementsManual shut- off ValvePower SupplyWiring Electrical WiringInstallations Humidifier/Electronic Air CleanerReduced Furnacelife Hazard Fan Delay DIP Switch SettingsFan Timer Connections Mountedto eithertheleftorrightSizing InstallationDuctwork and Filter InsulationCombustible Floor Installation Filter Installation using Optional Filter RackDownflow Furnace Installation Downflow applications, unless installing on nonFurnace Subbase SubbasesforCombustibleFloorsDimensionsFloorDimensions Gas SupplyPressure Checks and AdjustmentsAdjust Pilot Burner StartupChanging Blower Speed Temperature Rise CheckHeating and Continuous BlowerSpeed Same Reduced Furnace Life HazardFurnace Maintenance FIRE, EXPLOSION, or Carbon Monoxide HazardsHeating Request with Gas Supply Line Shut Off Circulating Fan G RequestHeating W Request OFF Gas Valve Diagnostic Codes See FigureTypical Gas Valve Honeywell ThanHoneywell SV9541M Smart Valve Sequence of Operation LED Honeywell SV9541M Smart Valve Trouble shootingFlashes Flashes + I Flash IndicatesConcentric Vent Termination Kit # Concentric TerminationVent Termination Clearances LED INDICATESCHECK/REPAIRRequiredtocompletetheinstallation TicalterminationispreferredFieldsuppliedpipeandfittingsareTable for N9MP2 Models 50,000 & 80,000 Btuh Furnaces Rain Cap to Vent Pipe AssemblyConcentric Vent and Combustion Air Side Termination Roof Overhang25-22-02 Concentric Vent Sidewall AttachmentAir Elbow Denotes Brand N9MP2075B12B1 N9MP2080F16B1N9MP2100F14B1 N9MP2100J20B1 N9MP2125J20B1 25-23-30General Model SpecificationsSpecifications N9MP1 Specifications N9MP2 Gas & IgnitionSpecifications 9MPD BlowerDataFor 100 Models Ton 19 & 22314 Units For 050 Models 3 Ton UnitsFor 075 Models 3 Ton Units For 080 Models 4 Ton 19 & 22314 UnitsData IlttlNeutral t UI I BKw25-23-95 125J Key Description PartFunctional 100J 125J14B 20B Non-Functional1GB 12B 16B 14BNo. Non-Functional 16B 14B 20B 12BPart not Illustrated Key DescriptionN9MP1 N9MP2 Osob NAHF002LP100J20B 128L20B 9MPDNumber 080F12B 075F12B 080J16B 100J14B Capacitor,7.SMfd.,370VNumber 050F12B 078F12B 080J16B 100J14B 100J2OB Parts *gMPDKeyDescription No.Non- Functional 125L20BNumber 050F12B 075F12B Part GMPDNon- Functional 080J16B050F12B 075F12B 080J16B 100J14B 1013816 + Order from Service Parts 44001Non- Functional Number IOOJ20B

9MPD100J20B1, N9MP2100J20B1, 9MPD050F12B1, N9MP1100J20B1, N9MP1125J20B1 specifications

The Sears N9MP1075B12B1, N9MPD125L20B1, N9MP1050B12B1, N9MPD080J16B1, and N9MP2125J20B1 are part of the trusted line of gas furnaces manufactured by Sears, specifically designed to deliver reliable heating solutions for residential applications. These models incorporate cutting-edge technology and robust engineering, making them popular choices among homeowners looking for efficiency and comfort.

One of the main features of these models is their high-efficiency operation. With Annual Fuel Utilization Efficiency (AFUE) ratings exceeding 90%, these furnaces convert a significant portion of fuel into usable heat, thereby reducing energy costs. The N9MP series employs a multi-speed blower system that optimizes airflow for enhanced comfort while minimizing noise levels, ensuring a pleasant indoor environment.

The N9MPD125L20B1 and N9MPD080J16B1 variants highlight their adaptability through dual-stage heating capabilities. This technology allows the furnace to adjust its output based on the thermal demands of the home, preventing energy wastage during milder conditions while providing robust heating during extreme cold spells. The two-stage combustion process not only improves comfort but also contributes to lower greenhouse gas emissions.

Durability is another hallmark of these Sears models. With heavy-duty heat exchangers crafted from high-quality materials, they are built to withstand the rigors of regular use. Additionally, the inclusion of advanced safety mechanisms ensures that the system operates securely, reducing potential risks associated with gas furnaces.

The N9MP2125J20B1 model stands out due to its whisper-quiet operation. Homeowners can enjoy a warm home without the disruptive sound commonly associated with traditional heating systems, thanks to the insulated cabinet design and efficient blower operation.

Furthermore, these models come equipped with user-friendly digital thermostats, which allow precise temperature control and programmable settings, enabling homeowners to tailor their heating needs to fit their lifestyle. The compatibility with smart home systems also adds convenience, enabling users to manage their heating remotely, saving even more energy.

In conclusion, the Sears N9MP1075B12B1, N9MPD125L20B1, N9MP1050B12B1, N9MPD080J16B1, and N9MP2125J20B1 gas furnaces exemplify innovation in heating technology. Their energy-efficient designs, advanced features, and durable construction make them reliable choices for homeowners seeking comfort and sustainability in their heating solutions.
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