Sears N9MP2080F16B1 SubbasesforCombustibleFloorsDimensions, FloorDimensions, Furnace Subbase

Page 37

SubbasesforCombustibleFloorsDimensions

 

 

 

 

SubbaseforCombustible

Subbase

for Combustible

 

FloorDimensions

 

 

 

 

 

Floors

Part

Number

H*

J*

K**

 

 

 

 

 

Furnace

Subbase

 

 

 

 

NAHH001SB

 

1511/16

283/4

149/16

16

NAHH002SB

 

195/16

283/4

183/16

16

NAHH003SB

 

22_/16

28J/4

2113/16

16

NAHH010SB

 

243/4

283/4

239/16

161/4

Subbase

for

Coil Cabinets

 

 

 

 

NAHH004SB

 

1511/16

209/16

149/16

161/4

NAHH005SB

 

195/16

209/16

183/16

161/4

NAHH006SB

 

23

209/16

2113/16

161/4

NAHH009SB

 

2411/15

209/15

239/15

16

Outside Dimension

 

 

 

 

_* Base Spacer Side To Side

 

 

 

 

3.Set the base over the opening in the floor, centering it over the opening. Fasten the base to the floor with screws or nails. See Figure 38, Figure 39 and Figure 40.

4.Drop the plenum through the opening in the base. The flange of the plenum should rest on top of the subbase.

Opening

In Floor

Opening

In Base

Typical

Plenum

For Plenum

Dimensions

 

 

M

N

P

R

S

T

161/4

145/8

15

13112

15

131/2

161/4

181/4

15

17118

15

171/8

161/4

21//8

15

193/4

15

19_/4

161/4

235/8

15

221/2

15

221/2

161/4

145/8

15

131/2

15

131/2

161/4

181/4

15

171/8

15

171/8

161/4

21//8

15

193/4

15

19_/4

161/4

235/8

15

221/2

15

221/2

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Combustible

5.Position furnace or coil cabinet and furnace on subbase so it aligns between the locating tabs.

Furnace Subbase

T S

Combustible

FloorBase

Hj

25-20-46

FloorBase

J

25-20-46b

A 4 114" Minimum clearance ffomback of hole to wall or other obstruction.

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.... Setting the Subbase

Furnac_J" __

,g2t2,;at i lof

Floor Base

oo ,oor

_/'_

Plenum

25-20-46a

Wood Screw

This subbase for combustible floors has been designed so that the height of the subbase raises the downflow coil off the floor to allow

easy installation of the condensate drain. See Figure 41.

440O1102004

E_

Image 37
Contents SingleStage Table of ContentsThis page for future reference KeepYES NOE YESSafety Rules FrozenWater Pipe Hazard InstallationLocation and Clearances Typical Upflow Installation Installation RequirementsTypical Downflow Installation Dimensions & Clearances Leveling Combustion Ventilation Air Air Openings and Connecting DuctsRequirements Example Venting and Combustion Air CheckUnusually Tight Construction Ventilation AirVent and Combustion Air Piping For Two Pipe InstallationSingle Pipe N9MP1 Models Direct Vent N9MP2 ModelsPiping Insulation Guidelines TocompensateforoxygenburnedSee.Confined Space InstallaContaminated Combustion Air Vent and Combustion Air Piping GuidelinesN9MP1 & *9MPD Models Sizing Combustion Air and Vent PipeVent Termination Clearances Carbon Monoxide POISONING, Fire and Explosion HazardClearance Description 440O110200415cmforappliances10,OOOBTUH3kW,12 Condensate Drain Trap Freeze Protection CondensateDrain TrapUpflow Installations Top Vent See Figure Upflow Installations Top VentUpflow Installations Vent thru Left Side See Figure UpflowInstallationsVentthru LeftSideSwitch Side ViewAll Models Vent thru Right Side See Figure All ModelsVentthru RightSideOnly Downflow Left Side Vent and Trap SeeFigure Inlet 4=Downflow Right Side Vent and Trap See Figure Downflow Right Side Vent and TrapPVC 3/4 Coupling & Clamps 112ID Drain Hose On SomeHorizontal Left-Thru Top See Horizontal Left Thru TopHorizontal Left-Side Vent Horizontal Left-Side Vent See FigureYellowor black Horizontal Right thru Top16ID Rubber Tube\\ Relief Tube ExtensionHorizontal Right Side Vent SeeFigure HorizontalRight-SideVentConnecting Vent and Combustion Air Piping Connecting Tee Trap to Condensate Trap and Main Drain LineOpen Tee Tee TrapProper Sealing Procedure for Combustion Connecting Vent Pipes and TerminationVent Pipe Connection Fire HazardHorizontal Termination Using Exterior RisersVertical Termination Vent Termination ShieldingConcentric Vent and Combustion Air Sidewall Termination Multi Vent Termination ClearancesSidewall Inlet Vent and Exhaust Air Termination CmbustincncentricRoof -AirTerminationventandSupply Pressure Manifold Gas Pressure AdjustmentGas Supply Pressure IAIternate Input Ratings, USA onlyPressure NaturalFor the 50,000, 75,000, 100,000 and 125,000 Btuh Models TaiGeneral Derating Rules High Altitude Air Pressure SwitchElectrical SHOCK, Fire or Explosion Hazard Changing OrificesManual shut- off Gas Piping RequirementsLow Pressure ValveInstallations Electrical WiringPower SupplyWiring Humidifier/Electronic Air CleanerFan Timer Connections Fan Delay DIP Switch SettingsReduced Furnacelife Hazard Mountedto eithertheleftorrightDuctwork and Filter InstallationSizing InsulationDownflow Furnace Installation Filter Installation using Optional Filter RackCombustible Floor Installation Downflow applications, unless installing on nonFloorDimensions SubbasesforCombustibleFloorsDimensionsFurnace Subbase Adjust Pilot Burner Checks and AdjustmentsGas SupplyPressure StartupHeating and Continuous BlowerSpeed Same Temperature Rise CheckChanging Blower Speed Reduced Furnace Life HazardFIRE, EXPLOSION, or Carbon Monoxide Hazards Furnace MaintenanceHeating W Request Circulating Fan G RequestHeating Request with Gas Supply Line Shut Off Typical Gas Valve Honeywell Gas Valve Diagnostic Codes See FigureOFF ThanHoneywell SV9541M Smart Valve Sequence of Operation Flashes Flashes + I Flash Honeywell SV9541M Smart Valve Trouble shootingLED IndicatesVent Termination Clearances Concentric TerminationConcentric Vent Termination Kit # LED INDICATESCHECK/REPAIRTicalterminationispreferredFieldsuppliedpipeandfittingsare RequiredtocompletetheinstallationConcentric Vent and Combustion Air Side Termination Rain Cap to Vent Pipe AssemblyTable for N9MP2 Models 50,000 & 80,000 Btuh Furnaces Roof OverhangAir Elbow Concentric Vent Sidewall Attachment25-22-02 N9MP2100F14B1 N9MP2100J20B1 N9MP2125J20B1 N9MP2075B12B1 N9MP2080F16B1Denotes Brand 25-23-30Specifications N9MP1 Model SpecificationsGeneral Gas & Ignition Specifications N9MP2BlowerData Specifications 9MPDFor 075 Models 3 Ton Units For 050 Models 3 Ton UnitsFor 100 Models Ton 19 & 22314 Units For 080 Models 4 Ton 19 & 22314 UnitsNeutral t IlttlData UI I BKw25-23-95 Functional Key Description Part125J 100J 125J1GB Non-Functional14B 20B 12B 16B 14B16B 14B 20B 12B No. Non-FunctionalN9MP1 N9MP2 Osob Key DescriptionPart not Illustrated NAHF002LPNumber 080F12B 075F12B 080J16B 100J14B 9MPD100J20B 128L20B Capacitor,7.SMfd.,370VKeyDescription No.Non- Functional Parts *gMPDNumber 050F12B 078F12B 080J16B 100J14B 100J2OB 125L20BNon- Functional Part GMPDNumber 050F12B 075F12B 080J16BNon- Functional Number 1013816 + Order from Service Parts 44001050F12B 075F12B 080J16B 100J14B 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.