Sears N8MPL100F20B1 LP Conversion, Main Burner Flame Check, FIRE, EXPLOSION, Unit Damage Hazard

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9.After reassembling, turn gas on and check all joints for gas leaks using a soapy solution. All leaks must be repaired im- mediately.

Clearances

Measure from face of orifice to the batck side of the manifold,

29.3+_11"5mm "\k,,..k--..j,.,.r_

LP Conversion

the furnace rating plate for the LP conversion accessory kit part

IAn accessory kit shall be used to convert to propane gas use, see number.

CARBON MONOXIDE POISONING HAZARD.

Failure to follow this warning can result in death, property damage and/or personal injury.

NOx inserts for use with Natural Gas units

ONLY. If LP Gas is required, NOx inserts must be removed.

FIRE, EXPLOSION, UNIT DAMAGE HAZARD.

Failure to follow this warning can result in death, property damage and/or personal injury.

An LP conversion accessory kit is required when operating the furnace with LP gas.

*8MPLs and N8MPLs contain NOx inserts.

For LP conversion remove screws that secure the NOx insert and discard insert.

Reinstall screws. See Figure 37

NOTE: It is very important to reinstall the NOx insert mounting screws.

Removing NOx inserts

25-40-03

Main Burner Flame Check

Allow the furnace to run approximately 10 minutes. Then inspect the main burner flames. See Figure 38.

Check for the following:

Stable and blue flames. Dust may cause orange tips or wisps of yellow, but flames MUST NOT have solid, yellow tips.

Flames extending directly from burner into heat exchanger.

Flames do NOT touch sides of heat exchanger

If any problems with main burner flames are noted, it may be nec- essary to adjust gas pressures or check for drafts.

Main Burner

10-10-78

NOTE: For Ignitor location see Figure 39.

441 01 261302

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Contents 80+SingleStage Drip-Leg Upstream of Gas Valve? Yesi NOI AddressLimit Opens Dealer NameSafe Installation Requirements FIRE, EXPLOSION, and Asphixiation HazardLocation and Clearances Installation RequirementsFrozen Water Pipe Hazard Carbon Monoxide Poisoning HazardFurnace Dimensions and Clearances N8MPN/LDimensional Information ReturnAirDimensions and Clearances *8MPN/L Models Installation PositionsFurnace Installation 41IDownflow Typical Horizontal InstallationHorizontal Fire HazardSide Venting Pressure Switch RelocationRotating the Venter Assembly Burn HazardOutdoor Combustion Air Method Air Openings and Connecting DuctsCombustion & Ventilation Air RequirementsIndoor Combustion Air ThisinstallationNOTapprovedin CanadaSoffitVen FreeAreaCategory I Safe Venting Requirements MINIMUMSPACEVOLUMEFOR100%COMBUSTIONVentilation Air Andventilationair Fromindoors ftVent Check Venting and Combustion Air CheckVenting to Existing Masonry Chimney Lowing CheckVent Termination Category I Furnaces With External Power VentersHorizontal Venting Combined Venting into a Masonry ChimneyIviventterminal Failure to properly vent this furnace could result Masonry Chimney VentingChimney Inspection Authority having jurisdiction approvesChimney Inspection Chart SllExterior Masonry Chimney FAN+NAT Installations withType-B Double-Wall Vent Connectors Nfpa & AGAGas Pressures Gas Supply and PipingVentdampersonanyapplianceconnectedto the common vent Typical Gas Piping N8MPLeft Side Gas Supply Piping N8MP Piping with Close Nipples and Standard ElbowsPiping with Street Elbows Piping with Street Elbows Final CheckTypical Gas Piping aMP Fire or Explosion HazardBox Relocation Electrical WiringPower Supply Wiring ThermostatFurnace Control Fuse Ductwork and Filter Upflow/HorizontalFurnace Control Duct DesignHigh-Velocity Air Filter Sizes max600FPM Duct Installation RequirementsFilters Risk of Reduced Furnace LifeAddition Of Air Conditioning Optional Filter Rack Installation Side ReturnInternal Filter in Bottom- Return Installation 20 x 25 Optional Filter RackOutlet Duct Flange Sub-bases For Combustible Floors DimensionsDuctwork and Filter Downflow Sub-Bases for Combustible Floors Furnace OnlyAdapter Box Exploded View of Sub-Base for Furnace onlySub-base for Combustible Floors Downflow Coil Non-Combustible FloorChecks and Adjustments Manifold Gas Pressure AdjustmentStartup Natural Gas Input Rating Check Orifice SizingWiseto decreasemanifoldpressureand clockwiseto Operation Above 2000 AltitudeChanging Orifices High Altitude Air Pressure SwitchI! i! i I! i! i! i! i Natural GAS Manifold Pressure w.cFIRE, EXPLOSION, Unit Damage Hazard LP ConversionMain Burner Flame Check Removing NOx insertsIgnitor Location Hard Wired Continuous-Fan OperationChanging Blower Speed Reduced Furnace Life HazardFIRE, EXPLOSION, or Carbon Monoxide Poisoning Hazards Ous-fanoptionThisconnectionisintendedfor.thelow speed moSeparate speed selections for Heat, Cool, Electrical SHOCK, Fire or Explosion HazardContinuous Circulating Fan G Request Sequence of Operation & DiagnosticsContinuous Circulating Fan Hard-Wired Cont Request Heating W RequestControl Board Control Board Diagnostic Codes See FigureHeating Request with Gas Shut Off OFFN8MPN050B12B1 N8MPL050B12B1 N8MPN075F16B1 N8MPL075F16B1Denotes Brand This Data is Subject to Change Without Notice 44101261302General InputBtuh PSC/II2 PSC/I/2 441olLimits& Controls Natto LP NAHA001LP1172958NatlLP NatlLP NatlLP NatlLP NatlLP NatlLP NatlLP NatlLP 8MPNPSC/I/2 PSCII/2 PSCI3/4 441Ol261302 N8MPN/L075F16& *8MPN/L075F1613* DenotesBrand N8MPN/L050B12& *8MPN/L050B121 DenotesBrandN8MPN/L075B12& *8MPN/L075B121 * Denotes Brand N8MPN100F14& *8MPN100F141 Denotes BrandN8MPN/L125J2226 ISMPN150J2027* DenotesBrand44101261302 Ndif Eutrali SwitchII,DUER%I .ICAPACITOR a Junction Relay Heatimhio16 \ \ uReplacement Parts N8MPN NaturalGas NsmpnKey Description Part 12B1 Replacement Parts N8MPN NaturalGasIoof 14B1 20B120A1 22A1 Parts Not IllustratedReplacement Parts N8MPL NaturalGas N8MPLKey Description Part 050B 075F NSMPL125J22B1 NSMPLO75B12B1NSMPLIOOF2OB1 N8MPLIOOJ2OB1 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.