Sears N8MPN125J20B1, N8MPN075F16B1 Ous-fanoptionThisconnectionisintendedfor.thelow speed mo

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ous-fanoptionThisconnectionisintendedfor.thelow speed mo-

tor tap, and has a lower contact rating (8 amps) than the heat and cool taps. When the low speed blower lead is connected to this terminal, this will provide low speed blower operation whenever the other two speeds (Heat or Cool) are not energized. EAC not powered in this mode.

Thoroughly check the system after modification to ensure the

proper operation of the circulating air blower in all modes of opera- tion.

Separate speed selections for Heat, Cool, and

13. Furnace Maintenance

FIRE, EXPLOSION, OR CARBON MONOXIDE POISONING HAZARDS

Failure to have the furnace inspected and maintained could result in death, personal injury, and/or property damage.

It is recommended that the furnace be inspected and serviced on an annual basis (before the heating season) by a qualified service agency.

See "User's Information Manual".

Continuous-Fan

Connect low speed lead from circulating air motor to the "Cont" terminal at the furnace control board. The appropriate motor leads should already be connected to the "Heat" and "Cool" terminals.

Heating and Continuous-Fan Speed the Same

If it is necessary to operate the heating speed and continuous -fan speed using the same blower speed, connect a jumper between the "Heat" and "Cont" terminals on the furnace control board.

Note: There should be only ONE motor lead going to the "Heat" and "Cont" terminals.

ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD

Failure to follow safety warnings exactly could result in dangerous operation, death, personal injury, or property damage.

Improper servicing could result in dangerous operation, serious injury, death or property damage.

•Before servicing, disconnect all electrical power to furnace.

•When servicing controls, label all wires prior to

disconnecting. Reconnect wires correctly.

•Verify proper operation after servicing.

_]

441 01 261302

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Contents 80+SingleStage Address Limit OpensDrip-Leg Upstream of Gas Valve? Yesi NOI Dealer NameSafe Installation Requirements FIRE, EXPLOSION, and Asphixiation HazardInstallation Requirements Frozen Water Pipe HazardLocation and Clearances Carbon Monoxide Poisoning HazardDimensions and Clearances N8MPN/L Dimensional InformationFurnace ReturnAirInstallation Positions Furnace InstallationDimensions and Clearances *8MPN/L Models 41ITypical Horizontal Installation HorizontalDownflow Fire HazardPressure Switch Relocation Rotating the Venter AssemblySide Venting Burn HazardAir Openings and Connecting Ducts Combustion & Ventilation AirOutdoor Combustion Air Method RequirementsThisinstallationNOTapprovedin Canada SoffitVenIndoor Combustion Air FreeAreaMINIMUMSPACEVOLUMEFOR100%COMBUSTION Ventilation AirCategory I Safe Venting Requirements Andventilationair Fromindoors ftVenting and Combustion Air Check Venting to Existing Masonry ChimneyVent Check Lowing CheckCategory I Furnaces With External Power Venters Horizontal VentingVent Termination Combined Venting into a Masonry ChimneyIviventterminal Masonry Chimney Venting Chimney InspectionFailure to properly vent this furnace could result Authority having jurisdiction approvesChimney Inspection Chart SllFAN+NAT Installations with Type-B Double-Wall Vent ConnectorsExterior Masonry Chimney Nfpa & AGAGas Supply and Piping Ventdampersonanyapplianceconnectedto the common ventGas Pressures Typical Gas Piping N8MPPiping with Street Elbows Left Side Gas Supply Piping N8MPPiping with Close Nipples and Standard Elbows Final Check Typical Gas Piping aMPPiping with Street Elbows Fire or Explosion HazardElectrical Wiring Power Supply WiringBox Relocation ThermostatDuctwork and Filter Upflow/Horizontal Furnace ControlFurnace Control Fuse Duct DesignDuct Installation Requirements FiltersHigh-Velocity Air Filter Sizes max600FPM Risk of Reduced Furnace LifeOptional Filter Rack Installation Side Return Internal Filter in Bottom- Return InstallationAddition Of Air Conditioning 20 x 25 Optional Filter RackSub-bases For Combustible Floors Dimensions Ductwork and Filter DownflowOutlet Duct Flange Sub-Bases for Combustible Floors Furnace OnlyExploded View of Sub-Base for Furnace only Sub-base for Combustible Floors Downflow CoilAdapter Box Non-Combustible FloorStartup Checks and AdjustmentsManifold Gas Pressure Adjustment Orifice Sizing Wiseto decreasemanifoldpressureand clockwisetoNatural Gas Input Rating Check Operation Above 2000 AltitudeHigh Altitude Air Pressure Switch I! i! i I! i! i! i! iChanging Orifices Natural GAS Manifold Pressure w.cLP Conversion Main Burner Flame CheckFIRE, EXPLOSION, Unit Damage Hazard Removing NOx insertsHard Wired Continuous-Fan Operation Changing Blower SpeedIgnitor Location Reduced Furnace Life HazardOus-fanoptionThisconnectionisintendedfor.thelow speed mo Separate speed selections for Heat, Cool,FIRE, EXPLOSION, or Carbon Monoxide Poisoning Hazards Electrical SHOCK, Fire or Explosion HazardSequence of Operation & Diagnostics Continuous Circulating Fan Hard-Wired Cont RequestContinuous Circulating Fan G Request Heating W RequestControl Board Diagnostic Codes See Figure Heating Request with Gas Shut OffControl Board OFFDenotes Brand N8MPN050B12B1 N8MPL050B12B1N8MPN075F16B1 N8MPL075F16B1 General InputBtuh This Data is Subject to Change Without Notice44101261302 441ol Limits& ControlsPSC/II2 PSC/I/2 Natto LP NAHA001LP1172958PSC/I/2 PSCII/2 PSCI3/4 NatlLP NatlLP NatlLP NatlLP NatlLP NatlLP NatlLP NatlLP8MPN 441Ol261302 N8MPN/L050B12& *8MPN/L050B121 DenotesBrand N8MPN/L075B12& *8MPN/L075B121 * Denotes BrandN8MPN/L075F16& *8MPN/L075F1613* DenotesBrand N8MPN100F14& *8MPN100F141 Denotes Brand44101261302 N8MPN/L125J2226ISMPN150J2027* DenotesBrand Eutrali Switch II,DUER%I .ICAPACITOR aNdif Junction Relay Heatimhio16 \ \ uReplacement Parts N8MPN NaturalGas NsmpnReplacement Parts N8MPN NaturalGas IoofKey Description Part 12B1 14B1 20B120A1 22A1 Parts Not IllustratedReplacement Parts N8MPL NaturalGas N8MPLKey Description Part 050B 075F NSMPLO75B12B1 NSMPLIOOF2OB1 N8MPLIOOJ2OB1NSMPL125J22B1 NsmplParts for *8MPN/L IReplacement Parts *8MPN NaturalGas Panel Top Partnot Illustrated Parts *8MPL NaturalGas Key Description075B Replacement Parts 8MPL NaturalGas

8MPN125J20B1, N8MPL050B12B1, N8MPL100F20B1, 8MPN050B12B1, 8MPL075F16B1 specifications

Sears has long been recognized as a prominent name in the retail and home appliance industry, and its commitment to quality is evident in its range of products, including the N8MPN100F20B1, N8MPN100F14B1, 8MPL125J20B1, 8MPN100J20B1, and 8MPN075B12B1 models. These products combine advanced technology with user-friendly features to meet the demands of modern consumers.

The N8MPN100F20B1 and N8MPN100F14B1 models are equipped with innovative energy-saving technologies that help reduce electricity consumption while maintaining optimal performance. Both units feature robust insulation and efficient compressors designed for maximum cooling efficiency. They are also designed with smart controls, allowing users to customize their experience through programmable settings and remote access capabilities, ensuring comfort and convenience.

The 8MPL125J20B1 model stands out for its multipurpose functionality. This model is known for its impressive range of capabilities, making it suitable for various applications, from cooling to heating. Equipped with advanced thermal management systems, it ensures that the temperature remains consistent and comfortable, regardless of external conditions. This versatility, combined with an easy-to-use interface, makes it a favorite among households.

The 8MPN100J20B1 offers a sleek design paired with high-performance features. Its compact size makes it ideal for urban living spaces, while its quiet operation ensures minimal disruption. The model also boasts a high energy efficiency rating, aligning with modern sustainability trends. With its intuitive controls, users can easily adjust settings to match their preferences, ensuring a personalized environment.

Lastly, the 8MPN075B12B1 model is designed for those who value efficiency without sacrificing performance. This unit provides effective cooling solutions while being lightweight and easy to install. Its durable construction and reliability make it an excellent choice for both residential and commercial applications.

Overall, the Sears range of N8MPN and 8MPN models showcases the company’s focus on integrating technology with user convenience. Each unit is designed to deliver exceptional performance, energy efficiency, and versatility, making them essential additions to any home or office. With their advanced features and characteristics, these models demonstrate Sears' commitment to innovation and consumer satisfaction, reinforcing its legacy in the appliance industry.
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