Sears N8MPL100J22B1 Typical Horizontal Installation, Downflow, Fire Hazard, Must not

Page 7

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The

horizontal

furnaces

i

may

be

installed

directly

on

combustible

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i

 

i

 

i

it is recommended

for

further

 

 

wood

flooring

or

supports,

 

however,

 

 

 

 

fire protection

cement

board

or

sheet

 

metal

is placed

between the

 

SUPPLY

furnace

and

the

combustible

wood

 

floor

and

extend

12"

beyond

 

the front

of the

furnace

louver

door.

 

(This

is

a

recommendation

 

AIR

 

 

 

only, not a requirement).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This

furnace

MUST NOT

 

be

installed

 

directly

 

on

carpeting,

tile or

RETURN

N

other

combustible

material

other

than wood

 

flooring

or supports.

GAS SUPPLY

25-23-17

Horizontal

If you purchased a multi-position furnace, it can be installed hori- zontally in an attic, basement, crawl space, alcove, or suspended from a ceiling in a basement or utility room in either a right or left airflow position. (see Figure 4)

Horizontally installed furnaces may be vented out the top of the unit or out the side facing u p. See"Side venting" for instructions to rotate the vent to the side.

The minimum clearances to combustibles MUST be maintained

between the furnace and adjacent construction, as shown in Figure 1 and Figure 2. ONLY the corner of the cabinet is allowed to contact the rafters as shown in Figure 4. All other clearances MUST be observed as shown in Figure 1 and Figure 2.

Typical Horizontal Installation

SUPPLY

GAS SUPPLY

OPTIONAL

VENT LOCATION

25- 23-18a

If the furnace is to be suspended from the floor joists in a basement or crawl space or the rafters in an attic, it is necessary to use steel pipe straps or an angle iron frame to attach the furnace. These straps should be attached to the furnace bottom side with sheet metal screws and to the rafters or joists with bolts. The preferred method is to use an angle iron frame bolted to the rafters or joists.

If the furnace is to be installed at ground level in a crawl space, con- sult local codes. A concrete pad 1" to 2" thick is recommended.

Twenty four inches (24") is required between the front of the fur-

nace and adjacent construction or other appliances. This should be maintained for service clearance.

Keep all insulating materials clear from Iouvered door. Insulating materials may be combustible.

Downflow

FIRE HAZARD.

Failure to install unit on noncombustible subbase

could result in death, personal injury and/or property damage.

Place furnace on noncombustible subbase on

downflow applications, unless installing on noncombustible flooring.

If you purchased a Multi-position furnace (N8MP or *8MP) it may

be installed in a downflow configuration, (see Figure 5). The mini- mum clearances to combustion construction MUST be maintained

between the furnace and adjacent construction, as shown in Figure 1 and Figure 2.

In addition to clearances in Figure 1 and Figure 2, clearance for the vent pipe must be considered.

A subbase for combustible floors MUST be used when the furnace is installed as a downflow on combustible material. See 11. "Duct-

work and Filter" (Downflow Section). The outlet flange must be bent flat for downflow installation.

When installing a four-position furnace in the downflow position (not the *8DNL furnace), the logo is to be repositioned so that it is

rightside-up as follows: T8MPN/L

1.Find the door hardware kit that is stored in the furnace and save it.

2.Carefully remove logo from the outside of burner compartment door and save it.

3.Carefully remove two small plug buttons from outside of blow-

er compartment door and save them.

4.Remove two thumbscrews from blower compartment door.

5.Install two thumbscrews in holes at other end of blower

compartment door from where thumbscrews were removed.

6.Install new strip of rubber gasket on inside of blower compart- ment door on edge that does not already have a gasket.

7.Install logo retainer pins into holes in blower compartment door from which plug buttons were removed.

8.Install plug buttons into holes in burner compartment door from which logo was removed.

9.Install blower compartment door on furnace with bevel edge and logo at top.

10.Install burner compartment door on furnace with bevel edge at bottom.

N8MPN/L, C81VlPN/L, H8MPN/L

1, Carefully remove logo from burner compartment door and save it.

2.Turn the logo rightside-up, and install the logo retainer pins

into holes in burner compartment door.

441 01 2613 02

Image 7
Contents 80+SingleStage Dealer Name AddressLimit Opens Drip-Leg Upstream of Gas Valve? Yesi NOIFIRE, EXPLOSION, and Asphixiation Hazard Safe Installation RequirementsCarbon Monoxide Poisoning Hazard Installation RequirementsFrozen Water Pipe Hazard Location and ClearancesReturnAir Dimensions and Clearances N8MPN/LDimensional Information Furnace41I Installation PositionsFurnace Installation Dimensions and Clearances *8MPN/L ModelsFire Hazard Typical Horizontal InstallationHorizontal DownflowBurn Hazard Pressure Switch RelocationRotating the Venter Assembly Side VentingRequirements Air Openings and Connecting DuctsCombustion & Ventilation Air Outdoor Combustion Air MethodFreeArea ThisinstallationNOTapprovedin CanadaSoffitVen Indoor Combustion AirAndventilationair Fromindoors ft MINIMUMSPACEVOLUMEFOR100%COMBUSTIONVentilation Air Category I Safe Venting RequirementsLowing Check Venting and Combustion Air CheckVenting to Existing Masonry Chimney Vent CheckCombined Venting into a Masonry Chimney Category I Furnaces With External Power VentersHorizontal Venting Vent TerminationIviventterminal Authority having jurisdiction approves Masonry Chimney VentingChimney Inspection Failure to properly vent this furnace could resultSll Chimney Inspection ChartNfpa & AGA FAN+NAT Installations withType-B Double-Wall Vent Connectors Exterior Masonry ChimneyTypical Gas Piping N8MP Gas Supply and PipingVentdampersonanyapplianceconnectedto the common vent Gas PressuresPiping with Close Nipples and Standard Elbows Left Side Gas Supply Piping N8MPPiping with Street Elbows Fire or Explosion Hazard Final CheckTypical Gas Piping aMP Piping with Street ElbowsThermostat Electrical WiringPower Supply Wiring Box RelocationDuct Design Ductwork and Filter Upflow/HorizontalFurnace Control Furnace Control FuseRisk of Reduced Furnace Life Duct Installation RequirementsFilters High-Velocity Air Filter Sizes max600FPM20 x 25 Optional Filter Rack Optional Filter Rack Installation Side ReturnInternal Filter in Bottom- Return Installation Addition Of Air ConditioningSub-Bases for Combustible Floors Furnace Only Sub-bases For Combustible Floors DimensionsDuctwork and Filter Downflow Outlet Duct FlangeNon-Combustible Floor Exploded View of Sub-Base for Furnace onlySub-base for Combustible Floors Downflow Coil Adapter BoxManifold Gas Pressure Adjustment Checks and AdjustmentsStartup Operation Above 2000 Altitude Orifice SizingWiseto decreasemanifoldpressureand clockwiseto Natural Gas Input Rating CheckNatural GAS Manifold Pressure w.c High Altitude Air Pressure SwitchI! i! i I! i! i! i! i Changing OrificesRemoving NOx inserts LP ConversionMain Burner Flame Check FIRE, EXPLOSION, Unit Damage HazardReduced Furnace Life Hazard Hard Wired Continuous-Fan OperationChanging Blower Speed Ignitor LocationElectrical SHOCK, Fire or Explosion Hazard Ous-fanoptionThisconnectionisintendedfor.thelow speed moSeparate speed selections for Heat, Cool, FIRE, EXPLOSION, or Carbon Monoxide Poisoning HazardsHeating W Request Sequence of Operation & DiagnosticsContinuous Circulating Fan Hard-Wired Cont Request Continuous Circulating Fan G RequestOFF Control Board Diagnostic Codes See FigureHeating Request with Gas Shut Off Control BoardN8MPN075F16B1 N8MPL075F16B1 N8MPN050B12B1 N8MPL050B12B1Denotes Brand 44101261302 This Data is Subject to Change Without NoticeGeneral InputBtuh Natto LP NAHA001LP1172958 441olLimits& Controls PSC/II2 PSC/I/28MPN NatlLP NatlLP NatlLP NatlLP NatlLP NatlLP NatlLP NatlLPPSC/I/2 PSCII/2 PSCI3/4 441Ol261302 N8MPN100F14& *8MPN100F141 Denotes Brand N8MPN/L050B12& *8MPN/L050B121 DenotesBrandN8MPN/L075B12& *8MPN/L075B121 * Denotes Brand N8MPN/L075F16& *8MPN/L075F1613* DenotesBrandISMPN150J2027* DenotesBrand N8MPN/L125J222644101261302 Junction Relay Heatimhio Eutrali SwitchII,DUER%I .ICAPACITOR a Ndif\ u 16 \Nsmpn Replacement Parts N8MPN NaturalGas14B1 20B1 Replacement Parts N8MPN NaturalGasIoof Key Description Part 12B1Parts Not Illustrated 20A1 22A1N8MPL Replacement Parts N8MPL NaturalGasKey Description Part 050B 075F Nsmpl NSMPLO75B12B1NSMPLIOOF2OB1 N8MPLIOOJ2OB1 NSMPL125J22B1Parts for *8MPN/L IReplacement Parts *8MPN NaturalGas Panel Top Partnot Illustrated Key Description Parts *8MPL NaturalGas075B 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.