Sears 9MPD, N9MP2, N9MP1 manual For 075 Models 3 Ton Units, For 100 Models Ton 19 & 22314 Units

Page 53

CIRCULATION

AIR BLOWER DATA

 

For 050 Models 3 Ton Units

 

 

 

Speed

Low

Med L

Med H

Hi

 

Tap

 

 

 

 

 

0.1

826

1083

1301

1408

_d

0.2

804

1050

1242

1347

0.3

770

1028

1195

1295

m

 

 

 

 

 

 

0.4

735

985

1153

1237

 

0.5

698

952

1093

1183

1.. m

0.6

657

909

1040

1118

X

0.7

---

863

935

1053

lJJ

 

 

 

 

 

 

0.8

....

812

865

976

 

0.9

......

 

802

887

 

1.0

......

 

720

787

For 075 Models 3 Ton Units

 

 

 

Speed

Low

Med L

Med H

Hi

 

Tap

 

 

 

 

 

0.1

706

917

1163

1368

_d

0.2

677

875

1120

1319

0.3

636

840

1076

1263

m

 

 

 

 

 

 

0.4

595

812

1031

1202

 

0.5

546

766

987

1148

 

0.6

490

702

889

1077

$

0.7

---

630

821

989

X

 

0.8

---

550

750

914

 

0.9

---

462

676

833

 

1.0

......

 

601

747

For 100 Models

3.5 Ton

19" & 22314" Units

 

 

Speed

Low

Med L

Med H

Hi

 

Tap

 

 

 

 

 

0.1

700

912

1209

1550

_d

0.2

660

884

1171

1492

 

 

 

 

 

m

0.3

616

843

1139

1434

 

 

0.4

575

790

1088

1378

 

0.5

528

735

1040

1317

o

0.6

472

677

979

1247

 

 

 

 

 

X

0.7

---

608

909

1161

_J

 

0.8

---

528

827

1058

 

0.9

......

 

733

932

 

1.0

......

 

624

778

For 080 Models 4 Ton 19" & 223/4 " Units

 

Speed

Low

Med L

Med H

Hi

 

Tap

 

 

 

 

 

0.1

823

1109

1527

1850

 

0.2

795

1087

1482

1791

:

0.3

747

1056

1426

1720

_

0.4

677

1016

1382

1648

,-9

0.5

617

970

1317

1575

 

0.6

544

854

1245

1485

"_

0.7

---

763

1154

1401

X

0.8

---

652

1043

1284

 

 

 

 

 

uJ

0.9

......

 

905

1161

 

 

 

1.0

......

 

737

1028

For 100 Models 5 Ton 223/4" Units

 

Speed

Low

Med L

Med H

Hi

 

Tap

 

 

 

 

 

0.1

1682

1870

2081

2263

 

0.2

1654

1826

2031

2193

=

0.3

1597

1775

1963

2165

_J

0.4

1547

1719

1899

2056

0.5

1498

1653

1825

1978

 

0.6

1428

1583

1737

1854

_

0.7

1355

1503

1650

1757

 

0.8

1267

1392

1548

1644

x

 

 

 

 

 

uJ

0.9

---

1266

1428

1515

 

1.0

.........

 

 

1351

For 125 Models 5 Ton Units

 

 

 

 

Speed

Low

Med L

Med H

Hi

 

Tap

 

 

 

 

 

0.1

1720

1910

2127

2315

'_

0.2

1686

1881

2087

2268

_

0.3

1644

1833

2024

2201

0.4

1600

1777

1961

2131

_

0.5

1533

1720

1891

2029

"_

0.6

1494

1647

1804

1948

 

0.7

1413

1571

1708

1820

uJ

0.8

1306

1470

1604

1730

 

0.9

....

1349

1484

1614

 

1.0

........

 

1328

1430

44001 111400

[_

Image 53
Contents SingleStage MP D 0 75 F 12 a # Denotes BrandJellJill 440 01 1114CO2 ? Furnace/Drip- Leg? YESDate of Start-Up Frozen and Burst Water Pipe Hazard Frozen Water Pipe HazardTypical Upflow Installation InstallationLocation and Clearances Winter ShutdownInstallation Positions Installation RequirementsFurnace Installation Considerations LevelingVENTrgMPD Dimensions & ClearancesAiRI.TAKE TOPAir Openings and ConnectingDucts Combustion & Ventilation Air For Single Pipe InstallationHorizontal Furnace Installation Confined Space Installation RequirementsFree Area Unconfined Space InstallationEhr Vent Check Venting and Combustion Air CheckMake the Following Check HoodSingle Pipe N9MP1 Models Vent and Combustion Air PipingDirect Vent N9MP2 Models Dual Certified gMPDModelsSizing Combustion Air and Vent Pipe Piping Insulation GuidelinesPipe Diameter Table N9MP2 Models Vent Termination ClearancesCondensate Drain Trap Freeze Protection Condensate Drain TrapUnited States Only Canada See Canadian Fuel Gas Code OtherThanYellowPlasticCap Upflow Installations Dual Certified *9MPD-A4 ModelsDrainLine TransitionDrain SomemodelsMountingScrews4 Dual Certified *9MPD-A4 HorizontalLeft InstallationsModels 25-24-12Si.g.Pre...reSwitch Switch HoseRpeept.oT \ e.spre X3L/\Page ReturnAir Page Left Side Venting Stubonthecondensatetrapandsecurewitha3/4clamp Satetrapandsecurewitha3/4clamp Boxandsecurewitha3/4clampDrainstubonthetransitionandsecurewitha3/4clamp Return Air VentFitting TPipe & ClampsInlet Cap Modelsshownhave TwopressureswitchesReturn Air ClampsLeft Combustion Air Pipe Connection Dual Certified or Connecting Vent and Combustion Air PipingVent Pipe Connection PVCVent Pipe Proper Sealing Procedure for Combustion BlowerHorizontal Termination Checkholesizesbymakingsureitissmallerthan the cou Using Exterior RisersVertical Termination Vent Termination ShieldingConcentric Vent and Combustion Air Sidewall Termination Ei271Recommended Alternate Installation for Sustained ColdSidewall Inlet Vent and Exhaust Air Termination Rooftop Inlet Vent and Exhaust Air TerminationAlternate Btuh Input RatingsUSA Only Manifold Gas Pressure AdjustmentSupplyPressure Gas Supply PressureChanging Orifices for High Altitude High Altitude Air Pressure SwitchGeneral Derating Rules Changing OrificesExample Natural Gas Input Rating CheckTypical Gas Piping for Upflow Power SupplyWiring Electrical WiringHumidifier/Electronic Air Cleaner Gas Piping RequirementsFan Delay DIP Switch Settings InstallationFan Timer Connections Ductwork and FilterSizing Filter Installation using Optional Filter RackInsulation FiltersAvailablefromyourdistributor StandoffFilterRack Combustible Floor InstallationAddition Of Air Conditioning Ubbase for Combustible FloorCoil Cabinet Furnace SubbaseAdjust Pilot Burner Checks and AdjustmentsTemperature Rise Check Main Burner Flame CheckHeating and Continuous BlowerSpeed the Same Tochecktemperaturerise,usethefollowingprocedureChanging Blower Speed Continuous Fan OperationCirculating Fan G Request Gas Valve Diagnostic Codes See FigureHeating Request with Gas Supply Line Shut Off OFFTypical Gas Valve Honeywell Honeywell SV9541M Flashes Honeywell SV9541M Smart Valve Trouble shootingFlashes + Flashes + SoftLockoutConcentric 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 N9MP2100F14A4 N9MP2100J20A4 N9MP2125J20A4 N9MP2075B12A4 N9MP2080F16A4Save This Manual For Future Reference Denotes BrandGeneral Specifications N9MP1Snap HW HSP Hwhsp Specifications N9MP2NAHA001LV NAHAO01LV NAHA002LV PSC/I/2 PSC/II2NAHA00SLV Specifications 9MPD3OO For 100 Models Ton 19 & 22314 Units For 075 Models 3 Ton UnitsFor 100 Models 5 Ton 223/4 Units For 125 Models 5 Ton UnitsDisconnect Before Servicing Ladder Diagram Connection DiagramD22 = = =@O,cFF18 25-23-95Functional Key Description Part125J 100J 125JIoof O50B 075B 080F LOOF LOOJ 125JLOOJ 125J Non-Functional Number 12A 1GANgMP1 050B 075B 080F 100F 100J 125J Number KeyDescription No. Non-Functional100F 100J 16A 14A 20AHeat Exchanger,Primary Heat Exchanger,Secondary KeyDescription No.FunctionalGMPD Number 050F12AKeyDescription No.Non- Functional 080J16A Models *9MPDO50F12A4, Natural Gas Replacement part suppliedKey Description Non-FunctionalNon- 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.