Sears N9MP1, N9MP2, 9MPD manual Furnace Subbase, Coil Cabinet

Page 37

ubbases,orCombusF,oorsD,mens,ons.ble

iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

 

 

 

 

 

 

 

 

 

Subbase

for Combustible

Subbase

for

Combustible

 

Opening

In Floor

Opening

In Base

Typical

Plenum

Floor

Dimensions

 

For Plenum

Dimensions

Floors

Part

Number

 

 

 

 

 

 

 

M

N

P

R

S

T

 

 

H*

J_

 

K**

 

Furnace

Subbase

 

 

 

 

 

 

 

 

 

 

NAHHOOISB

1511/16

283/4

149/16

16

161/4

145/8

15

131/2

15

131/2

NAHHOO2SB

195/16

283/4

183/16

16

16114

18114

15

171/8

15

171/8

NAHHOO3SB

225/16

283/4

2113/16

16

161/4

21 t/8

15

193/4

15

193/4

NAHHOIOSB

24J/4

28J/4

23u/16

16]/4

161/4

23b/8

15

221/2

15

221/2

Subbase

for

Coil Cabinets

 

 

 

 

 

 

 

 

 

 

NAHHOO4SB

15]]/16

20u/16

14u/16

16]/4

161/4

145/8

15

13]/2

15

131/2

NAHHOO5SB

195/16

209/16

183/16

161/4

161/4

181/4

15

171/8

15

171/8

NAHHOO6SB

23

209/16

2113/16

161/4

161/4

21 t/8

15

193/4

15

193/4

NAHHOO9SB

24]]/16

20u/16

23u/16

16

161/4

23_/8

15

22]/2

15

221/2

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

Coil Cabinet

Subbase

nails. See Figure 37, Figure 38 and

Figure

39.

 

 

Furnace Subbase

s

Plenum

Combustible

Floor Base

25-20-46

A - 4 1/4" Minimum clearance from back of hole to wall or other obstruction.

4, Drop the plenum through the opening in the base. The

flange of the plenum should rest on top of the subbase.

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

Plenum

Combustible

Floor Base

/

i

Wood c o;

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 40.

44001 111400

[_

Image 37
Contents SingleStage MP D 0 75 F 12 a # Denotes BrandJellJill 440 01 1114Date of Start-Up Furnace/Drip- Leg? YESCO2 ? 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 RequirementsEhr Unconfined Space InstallationFree Area 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 TransitionMountingScrews4 SomemodelsDrain Dual Certified *9MPD-A4 HorizontalLeft InstallationsModels 25-24-12Si.g.Pre...reSwitch Switch HoseRpeept.oT \ e.spre X3L/\Page ReturnAir Page Left Side Venting Drainstubonthetransitionandsecurewitha3/4clamp Satetrapandsecurewitha3/4clamp Boxandsecurewitha3/4clampStubonthecondensatetrapandsecurewitha3/4clamp Inlet VentFitting TPipe & ClampsReturn Air Cap Modelsshownhave TwopressureswitchesReturn Air ClampsLeft Combustion Air Pipe Connection Dual Certified or Connecting Vent and Combustion Air PipingVent Pipe Connection PVCHorizontal Termination Proper Sealing Procedure for Combustion BlowerVent Pipe 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 OrificesTypical Gas Piping for Upflow Natural Gas Input Rating CheckExample 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 + SoftLockoutVent Termination Clearances Concentric TerminationConcentric Vent Termination Kit # Concentric Vent Roof Installation ArerequiredtocompletetheinstallationConcentric Termination Kit NAHA001CV & NAHA002CV Venting Rain Cap to Vent Pipe AssemblyConcentric Vent and Combustion Air Side Termination 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/II23OO Specifications 9MPDNAHA00SLV 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.