Évaluations - 3, GPA: 4.7 ( )

Fabricant : Sears Taille : 2.69 mb Nom Fichier : Langue d'enseignement:

It also prevents the entrainment of drywall dust into combustion air, which ca n ca use fouling and plugging of furnace components. • The temperature of the return air to the furnace is maintained between 55 ° F (13 ° C) and 80 ° F (27 ° C), with no evening setback or shutdown. The use of the furnace while the structure is under construction is deemed to be intermittent operation per our installation instructions. 441 01 261302 The air temperature rise is within the rated rise range on • The furnace, ductwork and filters are cleaned as neces the furnace rating plate, and the firing rate has been setto sary to remove drywall dust and construction debris from the rating plate value. all HVAC system components after construction is completed. The filters used to clean the circulating air during the • Verify proper furnace operating conditions including igniconstruction process must be either changed or thor-tion, gas input rate, air temperature rise, and venting acoughly cleaned prior to occupancy. cording to these installation instructions. Dimensions and Clearances (N8MPN/L) MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS FOR ALL FURNACES REAR 0 FRONT (combustion air openings 3" in furnace and structure) Required For Service *24" ALL SIDES Of SUPPLY PLENUM 1" SIDES 0 "24" Min. VENT 61/2 Single-Wall Vent 6" Type B-1 Double-Wall Vent 1" TOP OF FURNACE 1" LEFT SIDE "30" clearancerecommendedfor furnaceremovaL _-,__--33/4 A --B--Horizontalposition:Linecontactispermissibleonlybetweenlines formedbyintersectionsof topandtwo sidesoffurnacejacket,and buildingjoists, studsor framing. FRONT 21/4 • Plugged starting hole to cut side I 281/2 - --33/4 I,,_ I 18112 2 F-_ 13114_1_ o_ '°pening /1 RIGHT SIDE I 47/8 11/2 17/8 _ 21314 ® I 265/8 C__ BOTTOM Drawing is representative, but some models may vary 1_ 13t/4/ I_ 41116 DIMENSIONS IN INCHES 11124,10 213,4 DIMENSIONAL INFORMATION 265/8 Furnace Cabinet Bottom ReturnAir Model AB C D Opening Plugged starting holetocut N8MPN/L05OB12 151/2 13/8 125i8 sideductopening NSMPN/L075B12 14 N8MPN/LO75F16 25-23-44al NOTE: Evaporator "A" coil drain pan dimensions may vary N8MPN/L1OOF20 from furnace duct opening size. Always consult evaporator specifications for duct size requirements. N8MPN100F14 19118 175/8 21/8 143/4 N8MPN/L1OOJ22 Furnace is designed for bottom return or side return. N8MPN/L125J20 22314 21114 115116 183/4 NSMPN/L125J22 Return air through back of furnace is NOT allowed. 441 O1 261302 [_ Dimensions and Clearances (*8MPN/L Models) MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS FOR ALL UNITS REAR 0 TOP FRONT (combustion air openings 3" in furnace and structure) 5113 Required For Service *24" _E ALL SIDES Of SUPPLY PLENUM 1" "24"Min. SIDES 0 VENT LEFT SIDE Single-Wall Vent 6" --3314 Type B-1 Double Wall Vent 1" 5f__ _ _1 TOP OF FURNACE 1" --A_ --B --"30" clearancerecommendedfor furnaceremoval. Horizontalposition:Linecontactis permissibleonly betweenlines formedbyintersectionsof topandtwo sidesoffurnacejacket,and 7/8 38 FRONT • Plugged starting buildingjoists, studsor framing. I hole to cut side 1 28112 2- 131/4 _.t opening 21814 47/ 11/2 RIGHT SIDE ® 17/8/ 26518 L1 37 /41I J 40 Drawing is representative some models may vary H I_ 41116 29,1121 3_ L DIMENSIONS IN INCHES 13114 11751 DIMENSIONAL INFORMATION Furnace I Cabinet I Top Bottom I ReturnAir T 11/2 47/8 l 13/4 17/8 265/_ *8MPN/LOSOB12 6 1318 12518 H *8MPN/LO75B12 Mode, I;I2_4 F C D I Opening NOTE: Evaporator "A" coil drain pan dimensions may *8MPN/L075F16 vary from furnace duct opening size. Always consult *8MPN100F14 1911817518 73/4 21/8 14314I J evaporator specifications for duct size requirements. Plugged starting hole to *8MPN/L10OF20 cut side duct opening Furnace is designed for bottom return or side return. I *8MPN/LIOOJ20 Return air through back of furnace is NOT allowed. *8MPN/L125J208MPN150J2091/2 J 223/4211/4 115116 183/4 * Denotes Brand Installation Positions Furnace Installation Inspect the rating plate to be certain the model number begins with This furnace can be installed in an upflow, horizontal (either left or "N8MP" or "*8MP". This identifies the unit as a multi-position fur- right) or downflow airflow position. DO NOT install this furnace on nace and can be Installed in a Upflow, Horizontal Right, Horizontal its back. For the upflow position, the return air ductwork can be at- Left or Downflow position. tached to either the left or right side panel and/or the bottom. For horizontal and downflow positions, the return air ductwork must be Dentoes Brand (C, H, T) attached to the bottom. The return air ductwork must never be at- Upflow tached to the back of the furnace. No modifications are required for upflow installation. (See Figure 3) 441 O1 261302 iiiiiiiiiiiiiiiii_!!!!!!!!:!i:iil.i.iiiiliiiiii;;;iiiiiiii;i;il;i;i;i;iiii_ilili;i;i;i;;i;i;il;i;iiiii.i;iiiii!!!The horizontal furnaces may be installed directly on combustible.;i.ii .ii.ii.ii.ii.ii.ii.ii.ii.ii.ii wood flooring or supports, however, it is recommende...

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