Sears N9MP1075B12B1 manual

90 Single Stage Category IV Furnace N9MP1 & N9MP2 *9MPD *Denotes Brands (C, H, T) FAN ASSISTED, DIRECT VENT GAS FURNACE SAFETY REQUIREMENTS Recognize safety information. This is the safety- alert symbolZ.l_. When you see this symbol on the furnace and in instructions manuals be alert to the potential for personal injury. Understand the signal w[...]

START-UP CHECK SHEET For 90+ Furnace (Keep this page for future reference) Dealer Name: Address: City, State(Province), Zip or Postal Code: Business Card Here Phone: Owner Name: Address: City, State(Province), Zip or Postal Code: Model Number: Serial Number: Type of Gas: Natural: _ LP: Which blower speed tap is used? (Heating) (Cooling). Temperatur[...]

1. Safe Installation Requirements FIRE, EXPLOSION, AND ASPHIXlATION HAZARD Improper adjustment, alteration, service, maintanence or installation could cause serious injury, death and/or property damage. Installation or repairs made by unqualified persons could result in hazards to you and others. Installation MUST conform with local codes or, in th[...]

Frozen Water Pipe Hazard WATER DAMAGE TO PROPERTY HAZARD Failure to protect against the risk of freezing could result in property damage and/or personal injury. Do not leave your home unattended for long periods during freezing weather without turning off water supply and draining water pipes or otherwise protecting against the risk of frozen pipes[...]

Typical Upflow Installation Aluminum or non-rusting shield recommended. (See Vent Termination Shielding for dimensions). Coupling on ends of *8" Min. _l[q _I_ exhaust pipe. Total 20' Max. Inlet Pipe (not in same _ _ used on Single pipe & coupling out- atmospheric <_ __4t_ Pipe model) side structure = 8" zone Vent Pipes MUST be[...]

| I Dimensions & Clearances 17/8 Unit Capacity NOMP1050B12A N9MP1075B12A NgMP1080F16A N9MP1100F14A NgMP1100J20A NOMP1125J20A NOMP2050B12A NOMP2075B12A NgMP2080F16A NgMP2100F14A NOMP2100J20A NOMP2125J20A *9MPDO50F12A *9MPDO75F12A *9MPDOSOJ16A *9MPD100J14A *9MPDIOOJ20A *9MPD125L20A TOP r -- ] ] LEFT SIDE [-_ _ TRAP (COUNTERFLOW) _ GASt_ VENT ) AI[...]

Installation Positions This furnace can be installed in an upflow, horizontal (either left or right) or downflow airflow position. DO NOT install this furnace on its back. For the upflow position, the return air ductwork can be at- tached to either the left or right side panel and/or the bottom. For horizontal and downflow positions, the return air[...]

3. Combustion & Ventilation Air For Single Pipe Installation CARBON MONOXIDE POISONING HAZARD Failure to provide adequate combustion and ventilation air could result in death and/or personal injury. Use methods described here to provide combustion and ventilation air. Furnaces require ventilation openings to provide sufficient air for proper co[...]

Free Area BTUH Minimum FreeArea Required for Each Opening Input HorizontalDuct Vertical Duct or openings Round Duct Rating (2,000 BTUH) to outside(4,000 BTUH) (4,000 BTUH) 50,000 25 sq. in. 12.5 sq. in. 4" 75,000 37.5 sq. in. 1825 sq. in. 5" 100,000 50 sq. in. 25 sq. in. 6" 125,000 62.5 sq. in. 3125 sq. in. 7" 150,000 75 sq. in.[...]

CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation, could result in carbon monoxide poisoning or death: The following steps shall be followed for each appliance connected to the venting system being placed into operation, while all other applianc[...]

bustion or the furnace can use air from inside the structure for com- bustion. The INLET air pipe isoptional. If combustion air comes from inside the structure, adequate make u p air MUST be provided to compensate for oxygen burned. See Confined Space Installa- tion in the Combustion and Ventilation Air chapter. If combus- tion air is drawn from ou[...]

3. Insulate combustion air inlet piping when run in warm, hu- mid spaces such as basements. Sizing Combustion Air and Vent Pipe Consult Table 3 or Table 4 to select the proper diameter exhaust and combustion air piping. Exhaust and combustion air piping is sized for each furnace Btuh size based on total lineal vent length (on inlet oroutlet side), [...]

i Item Clearance Description A Clearance above grade, veranda, porch, deck, balcony, or anticipated snow level B Clearance to a window or door that may he opened C Clearance to a permanently closed window D Vertical clearance to a ventilated soffit located above the terminal within a horizontal distance of 2' (61cm) from the centedine of the t[...]

i Item Clearance Descriptions A Clearance above grade, veranda, porch, deck, balcony, or anticipated snow level B Clearance to a window or door that may be opened Canadian Installation (1) 12" (30cm) # 6" (15 cm) for appliances _< 10,000 BTUH (3kW), 12" (30 cm) for appliances > 10,000 Btuh (3 kW) and _< 100,000 Btuh (30 kW),[...]

Condensate Drain Trap This furnace removes both sensible and latent heat from the prod- ucts of combustion. Removal of the latent heat results in con- densation of the water vapor. The condensate is removed from the furnace through the drains in the plastic transition and the vent fit- ting. The drains connect to the externally mounted condensate d[...]

Upflow Installations Top Vent _ ellowor black Plastic Caps (2) Co_ (Optional) Vent Drain & Clamps Pressure Switch Detail 1/2" ID Drain Drain Connector Black PVC 3/4" PVC X l/z" CPVC (Loose parts bag) Casing Grommet Black Rubber 5/8" ID (Loose parts bag) Drain Line Vent Tee 3/4"PVC or l/z" CPVC (Field supplied) ONLY[...]

Upflow Installations Vent thru Left Side Yellow or black Plastic Cap 2" PVC Coupling ONLY Coupling Vent Drain Either: The PVC & Clamps Drain Tee or a field supplied 2" PVC Te_ Dual Pressure Switch Detail Drain Connector Black PVC 314" PVC X 112" CPVC (Looseparts bag) Tee Trap White PVC (loose parts bag) Black (Move from bott[...]

All Models Vent thru RightSide 4} Yellow or black Plastic Cap Vent Drain & Clamps On Some Models ONLY & Clamps SIDE VIEW _otate downward NOTE.'f Built-in channel will he angled 5 ° to10 ° also. oJ Dual Pressure Switch 2" PVC Coupling Either: The PVC Drain Tee or a field supplied2" PVC Tee All Models Vent thru Right Side (Se[...]

Downflow Left Side Vent and Trap Yellow or black Plastic Cap VentDrain & Clamps Coupling&Clamps >_ (Optional)_ I._ ]|mm|l Either: The PrO Drain Tee or a field supplied 2" PVC Tee Tee Trap Whtte PVC___ _ (loose parts bag) -__ Hose Single Pressure Switch Detail o Drain E,how!l WARNING _._ _1 M°veCap s _1 totopof U trap _/ Drain Tube [...]

Downflow Right Side Vent and Trap Yellow or black Plastic Cap / Vent Drain & Clamps SIDE VIEW ,_Rotate downward NOTE.'_Built-in channel will be angled 5 ° to 10 ° also. Single Pressure Switch Detail Splice Connector Barbed Dual Pressure Switch Drain Tube Black, sis" ID Corrugated PVC 3/4" Trap Connection _Clamp ears '_ oin[...]

Vent Drain & Clamps Horizontal Left Thru Top Yellowor black Plastic Alternate Orienation Single Pressure Switch Detail Trap Connection _ %lamp ears" Pointed OUT Preassemble & insert into furnace ] 3116" ID Dual Pressure Switch _Rubber Tube _I _ ReliefTube ' i _io16"neODtoFr lexible tubing _ Relief Tube Extension Field (O[...]

Horizontal Left-Side Vent Alternate Orienation Field Supplied Tee _ Tee Trap White PVC (loose parts bag) DrainTube Black, /8 ID Corrugated Cut at straight section I Leav_ Cut Here Single Pressure Switch Detail Level or Sloped towards Tee Dual Pressure Switch 3/16" ID Ru/bher Tube Relief Tube / / U Splice Connector Relief Tube Extension Yellow [...]

Horizontal Right thru Top Trap Connection Preassemble & insert into furnace Single Pressure Switch Detail "Clamp ears" Alternate Orienation Yellow or black _> _ _i_> Coupling & Clamps I-- (Optional)_ Vent Drain _._ & Clamps WARNING "_ Field Add Cap and _ _,_X S/upplied Tee 3/16" ID Rubber Tube Clamp Splice Co[...]

Horizontal Right-Side Vent Single Pressure Switch Detail Yellowor black Splice Connector / ReliefTube Extension j_/ i Dual Pressure Switc_ DrainTube Black, s/8" ID // ( Ct°[riugatedCut at _/ Leaveroom for clam / P _ Cut Here VentDrain & Clamps Level or Sloped towards Tee N _= /2" ID Dr =in Elbow o Barbe0 _ Drain Hose (Cut-to- fit) [...]

iiiiiiiiiiiiiiiiiiiiiiiiiiii! ¸I¸! !! ii¸! ii i ¸I¸I ¸I ¸I ¸! !i!i!!!i ¸ jijii i ii!!iil i!ii!i Connecting Tee Trap to Condensate Trap and Main Drain Line Open Tee Tee Trap/_---_ Evaporator Coil Drain Line (Optional)-.................._]_E Main Drain Line & E B , m o o_ / Condensate Trap 25-24-41N The Tee Trap must be connected to th[...]

The air intake coupling is sized for 2" PVC pipe. Install the combustion air pipe to the air intake coupling using RTV sealant to provide for future serviceability. Vent Pipe Connection Install the vent pipe grommet to the furnace panel. Locate the grommet in the furnace panel at a location directly away from the vent fitting on the combustion[...]

1, Install all couplings, nipples and elbows using proper proce- dures for Joining Pipe and Fittings and maintain spacing between vent and combustion air piping as indicated in Figure 20 through Figure 28. MIN. _18" Minimum for cold climates (substained below 0 ° F) MIN. GRADELEVEL 25-00-05F ON SNOW LEVEL Horizontal Termination 1, Cut two hol[...]

Multi Vent Termination Clearances When two (2) or more furnaces are vented near each other, each furnace must be individually vented. Two (2) vent terminations may be installed as shown in Figure 23, Figure 24, Figure 25, Figure 26, Figure 27 and Figure 28, but the next vent termination must be at least 36" away from first 2 ter- minations. It[...]

5. Gas Supply and Piping CARBON MONOXIDE POISONING, FIRE AND EXPLOSION HAZARD. Failure to follow these instructions could result in death, personal injury and/or property damage. Models designated for Natural Gas are to be used with Natural Gas ONLY, unless properly converted to use with LP gas. NOTE: The rating plate is stamped with the model numb[...]

MANIFOLD PRESSUREAND ORIFICE SIZE FOR HIGH ALTITUDE APPLICATIONS iii iiii ii_ ii_ !!!! !!! i NATURAL GAS MANIFOLD PRESSURE (" w.c.) .............................................................. FOR THE 50,000, 75,000, 100,000 and 125,000 BTUH MODELS MEAN ELEVATION FEET ABOVE SEA LEVEL HEATING 0 to 2001 to 3001 to 4001 to 5001 to 6001 to 7001 [...]

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3. Time how many seconds it takes the smallest dial on the gas NOTE: If meter uses a 2 cubic foot dial, divide results (seconds) by meter to make one complete revolution. Refer toExample. two. 4. Relight all appliances and ensure allpilots are operating. !i!i!i!!ii !i!i ilii!i iii!! Typica, Gas Pipiog ,or U .ow Drip Leg and Union,Union* shouldbe ou[...]

NOTE: Refer toFigure 30 orFigure 31 for the general layout at the furnace. The rules listed apply to natural and LP gas pipe installations. NOTE: On the Dual Certified or Direct Vent models, install the gas pipe grommet tothe furnace side panel with the gas pipe entry. If needed, remove the 2" hole plug and relocate tothe open hole in the furn[...]

REDUCED FURNACELIFE HAZARD Failure to follow caution instructions may result in reduced furnace life. Do NOT exceed 115V/0.8 amp. maximum current load for both the EAC terminal and the HUM terminal combined. NOTE: The humidifier will be powered when the furnace is fired and the circulating air blower comes on. The electronic air cleaner will be pow[...]

7. Ductwork and Filter CARBON MONOXIDE POISONING HAZARD. Failure to properly seal duct could result in death and/or personal injury. Do NOT draw return air from inside a closet or utility room where furnace is located. Return air duct MUST be sealed to furnace casing. Installation NOTE: Design and install air distribution system to comply with Air [...]

Mounted Filter Rack 25-20-90 Filter Installation using Optional Filter Rack When installing or removing a bottom mounted filter, slide the two side filter clips to the back of the furnace BEFORE installing or re- moving. This will allow the filter to clear the front raised edge of the furnace. Insert filter into side clips first and push filter bac[...]

Subbases forCombustible Floors Dimensions Subbase for Combustible Floor Dimensions H* J* K** 1511/16 283/4 149/16 16 195/16 283/4 183/16 16 22_/16 28J/4 2113/16 16 243/4 283/4 239/16 161/4 1511/16 209/16 149/16 161/4 195/16 209/16 183/16 161/4 23 209/16 2113/16 161/4 2411/15 209/15 239/15 16 Set the base over the opening in the floor, centering it [...]

Condensate Line Raised by Base 25-20-52 8. Checks and Adjustments Adjust Pilot Burner FIRE OR EXPLOSION HAZARD. Failure to turn OFF gas at shut off before connecting manometer could result in death, personal injury and/or property damage. Turn OFF gas at shut off before connecting manometer. Startup NOTE: Refer to the start-up procedures in the &qu[...]

Main Burner Face 10-10-78 Temperature Rise Check The blower speed MUST be set to give the correct air temperature rise through the furnace as marked on the rating plate. Tempera- ture rise is the difference between supply and return air tempera- tures. To check temperature rise,use the following procedure: 1. Place thermometers in supply and return[...]

9. Furnace Maintenance FIRE, EXPLOSION, OR CARBON MONOXIDE HAZARDS Failure to have the furnace inspected and maintained could result in fire, explosion, or carbon monoxide poisoning. It is recommended that the furnace be inspected and serviced on an annual basis (before the heating season) by a qualified service technician. ELECTRICAL SHOCK, FIRE O[...]

10. Sequence of Operation & Diagnostics The following is the normal operating sequence for the control system. Cooling (¥) Request: 24 VAC signals applied to Y & G terminals of EFT (electronic fan timer) control. • Cool motor speed energized after 5 second Cool Fan On Delay time. Y & G signals removed from EFT. • Cool motor speed d[...]

Gas Valve Diagnostic Codes (See Figure 44) OFF = Control not powered Heartbeat = Normal Operation (Standby or call for heat) 1 Flash = Not used 2 Flashes = Pressure switch closed when should be open 3 Flashes = Pressure switch circuit was still sensed as open 30 seconds after the inducer was energized. System is in 5 minute delay mode, with inducer[...]

HONEYWELL SV9541M "SMART VALVE" Sequence of Operation I POWER APPLIED TO APPUANCE l I THERMOSTAT CALLS FOR HEAT ¢ I PRESSURESWITCHES PROVED OPEN? i I COMBUSTION BLOWER ENERGIZED I PRESSURESWITCHES CLOSEDWITHIN 30 SEC- ONDS? 3 SECOND PRE-PURGE PILOT VALVE OPENS: IGNITORPOWERED(1) PILOT LIGHTSAND FLAME IS SENSED I_uI DURING 90 SECONDTRAIL [...]

HONEYWELL SV9541M "SMART VALVE" Trouble shooting The 6 + X designation indicates a combi nation of flash codes: 6 flashes shows the control is in soft lockout, followed by X flashes to indicate the reason the control went into soft lockout. Last status code indicates repair to address first LED INDICATES CHECK/REPAIR STATUS Line voltage i[...]

HONEYWELL SV9541M "SMART VALVE" Trouble shooting continued LED INDICATES CHECK/REPAIR STATUS Soft Lockout. 6 Flashes + 3 Flashes 6 Flashes + 4 Flashes 7 Flashes Last failure was pressure switch Maximum recycle count exceeded Combustion air blower is de-energized, Circulating blower is de- energized after the "OFF" delay. After 5[...]

tical termination is preferred• Field supplied pipe and fittings are required to complete the installation• Kit Components Kit Contents: 3" Rain Cap or 2" Rain Cap 311 Diameter SDR-26 Pipe, 191121 ' ' Long or 4 Diameter SDR-26 Pipe, 371/8, Long, 2 Diameter SDR-26 Pipe, 315/8 Long or 21/2"Diameter SDR-26 Pipe, 24" L[...]

Concentric Termination Kit NAHA001CV & NAHA002CV Venting ........................................................ Table for N9MP2 Models 50,000 & 80,000 Btuh Furnaces NAHA002CV - 35' & (4) 90 ° elbows with 2" PVC pipe or NAHA001CV - 65' & (4) 90 ° elbows with 3" PVC pipe 75,000 Btuh Furnaces NAHA002CV - 20&apos[...]

Concentric Vent Sidewall Attachment Strap (Field Suppli_ Vent Air 45 ° Elbow (Field Supplied) 25-22-02 Note: Securing strap mustbefieldinstalled to prevent movement of termination kit in side wall. 8. Install the rain cap and the small diameter pipe assembly in the Y concentric fitting and the large pipe assembly. Ensure that the small diameter pi[...]

Four Position Furnace Models 25-23-30 Single Pipe N9MP1050B12B1 N9MP1075B12B1 N9MP1080F16B1 N9MP1100F14B1 N9MP1100J20B1 N9MP1125J20B1 or Two Pipe N9MP2050B12B1 N9MP2075B12B1 N9MP2080F16B1 N9MP2100F14B1 N9MP2100J20B1 N9MP2125J20B1 or Dual Certified *9MPD050F12B1 *9MPD075F12B1 *9MPD080J16B1 *9M PD100J14B1 *9MPD100J20B1 *9MPD125L20B1 *Denotes Brand In[...]

Model Specifications Manufacturers Number (Mfr No -See Rating Plate) ALL Models Specifications (N9MP1) N9MP1080F16B N9MP1100F14B NgMP1100J20B N9MP1125J20B General GasType Nat./LP Nat./LP Nat./LP Nat./LP Input (Btuh) 80,000 100,000 100,000 125,000 Output(Btuh) 72,000 91,000 96,500 113,750 Transformer Size (VA) 40 40 40 40 T'stat HeatAnticipator[...]

Manufacturers Number (Mfr No -See Rating Plate) ALL Models Specifications (N9MP2) N9MP2080F16B NPMP2100F14B N9MP2100J20B N9MP2125J20B General GasType Nat./LP Nat./LP Nat./LP Nat./LP Input (Btuh) 80,000 100,000 100,000 125,000 Output(Btuh) 72,000 91,000 96,500 113,750 Transformer Size (VA) 40 40 40 40 T'stat HeatAnticipator .10 .10 .10 .10 Temp[...]

Manufacturers Number (Mfr No -See Rating Plate) ALL Models Specifications ('_9MPD) *9MPD080J16B *gMPD100J14B *9MPD10OJ20B *9MPD125L20B General GasType Nat./LP Nat./LP Nat./LP Nat./LP Input (Btuh) 80,000 100,000 100,000 125,000 Output(Btuh) 73,600 92,000 92,000 115,000 Transformer Size (VA) 40 40 40 40 T'stat HeatAnticipator .10 .10 .10 .1[...]

CIRCULATION AIR BLOWER DATA For 050 Models 3 Ton Units _d m $ X Speed Low Med L Med H Hi Tap 0.1 826 1083 1301 1408 0.2 804 1050 1242 1347 0.3 770 1028 1195 1295 0.4 735 985 1153 1237 0.5 698 952 1093 1183 0.6 657 909 1040 1118 0.7 --- 863 935 1053 0.8 .... 812 865 976 0.9 ...... 802 887 1.0 ...... 720 787 For 075 Models 3 Ton Units _d ,£ m X #J S[...]

0 o 2 2 CONNECTION DIAGRAM FIELD LADDER DIAGRAM WARNING: ELECTRICAL SHOCK HAZARD DISCONNECT BEFORE SERVICING R MAi-NUM_-TQ R Q ...................... ROLLOUT SWITCH 1 TO 3 IN CONNECTION I C1 ----- _ R SERIES DEPENDING ON MODEL. BOX INTERLOCK | _ GAS VALVE I ..................... SWITCH [- _ | 1612t - ----- _ BL _ PRESSURE SWITCH 115V _ SK _ P Ji _ [...]

AA YY <::::b LL 12 15 16 GG EE FF CC 18 HH 20 OO_ UU VV H SS_ MM B Y X M KK MM PP 25-23-95[...]

I Replacement Parts - NgMP1 & NgMP2 Models - N9MP105OB12B1, N9MP1075B12B1, N9MP108OF16B1, N9MP11OOF14B1, N9MP11OOJ2OB1 & N9MP1125J2OB1 - N9MP205OB12B1, N9MP2075B12B1, N9MP208OF16B1, N9MP21OOF14B1, N9MP21OOJ2OB1 & N9MP2125J2OB1 (Natural Gas) Replacement part supplied will be current active part. For parts not listed, consult place of pur[...]

I Replacement Parts - NPMP1 & NPMP2 Models - N9MP1050B12B1, N9MP1075B12B1, N9MP1080F16B1, N9MP1100F14B1, N9MP1100J20B1 & N9MP1125J20B1 - N9MP2050B12B1, N9MP2075B12B1, N9MP2080F16B1, N9MP2100F14B1, N9MP2100J20B1 & N9MP2125J20B1 (Natural Gas) Replacement part supplied will be current active part. For parts not listed, consult place of pur[...]

I Replacement Parts - NPMP1 & NPMP2 Models - N9MP105OB12B1, N9MP1075B12B1, N9MP108OF16B1, N9MP11OOF14B1, N9MP11OOJ2OB1 & N9MP1125J2OB1 - N9MP205OB12B1, N9MP2075B12B1, N9MP208OF16B1, N9MP21OOF14B1, N9MP21OOJ2OB1 & N9MP2125J2OB1 (Natural Gas) Replacement part supplied will be current active part. For parts not listed, consult place of pur[...]

I Replacement Parts - NgMP1 & NgMP2 Models - N9MP1050B12B1, N9MP1075B12B1, N9MP1080F16B1, N9MP1100F14B1, N9MP1100J20B1 8, N9MP1125J20B1 - N9MP2050B12B1, N9MP2075B12B1, N9MP2080F16B1, N9MP2100F14B1, N9MP2100J20B1 & N9MP2125J20B1 (Natural Gas) Replacement part supplied will be current active part. For parts not listed, consult place of purcha[...]

Replacement Parts - *gMPD Models - *9MPDO50F12B1, *9MPDO75F12B1, *9MPDO80J16B1, *9MPD100J14B1, *9MPDIOOJ2OB1 & *9MPD125L20B1 (Natural Gas) *Denotes Brand Replacement part supplied will be current active part. For parts not listed, consult place of purchase. Key Description Part *9MPD No. Functional Number 080J16B 100J14B 100J20B 128L20B 1 Heat [...]

I Replacement Parts - *gMPD Models- _9MPDO50F12B1, _9MPDO75F12B1, _9MPDO80J16B1, _9MPD100J14B1, _9MPDIOOJ2OB1 & _9MPD125L20B1 (Natural Gas) _Denotes Brand Replacement part supplied will be current active part. For parts not listed, consult place of purchase. Part *gMPD Number 125L20B Key Description No. Non- Functional A Panel,Top B Gasket,Top [...]

I Replacement Parts - *gMPD Models - *9MPDO50F12B1, *9MPDO75F12B1, *9MPDO80J16B1, *9MPD100J14B1, *9MPDIOOJ2OB1 & *9MPD125L20B1 (Natural Gas) *Denotes Brand Replacement part supplied will be current active part. For parts not listed, consult place of purchase. *gMPD Key Description No. Non- Functional X Cover, JunctionBox Y Box, Junction Z Tube,[...]

I Replacement Parts - *gMPD Models - +9MPDO50F12B1, +9MPDO75F12B1, +9MPDO80J16B1, +9MPD100J14B1, +9MPDIOOJ2OB1 & +9MPD125L20B1 (Natural Gas) *Denotes Brand Replacement part supplied will be current active part. For parts not listed, consult place of purchase. *gMPD Key Description No. Non- Functional )( Trap, DrainTee )( Tube,1/2" ID Drain[...]