Figure 1 dimensions and ciearances (n8mpn/l), Dimensional information – Sears N8MPL050B12B1 User Manual
Page 5
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The air temperature rise is within the rated rise range on
the furnace rating plate, and the firing rate has been set to
the rating plate value.
The filters used to clean the circulating air during the
construction process must be either changed or thor
oughly cleaned prior to occupancy.
The furnace, ductwork and filters are cleaned as neces
sary to remove drywall dust and construction debris from
all HVAC system components after construction is com
pleted.
Verify proper furnace operating conditions including igni
tion, gas input rate, air temperature rise, and venting ac
cording to these installation instructions.
Figure 1
Dimensions and Ciearances (N8MPN/L)
2V4
13'Í4
LEFT SIDE
6^2
MINIMUM CLEARANCES TO COMBUSTIBLE
MATERIALS FOR ALL FURNACES
REAR
0
FRONT
(combustion
air
openings
in furnace and structure)
3"
Required For Service
•24”
ALL SIDES Of SUPPLY PLENUM
r
SIDES
0
VENT
Single-Wall Vent
6"
Type B-1 Double-Wall Vent
r
TOP OF FURNACE
V
3^/4
y
1'/a
Plugged starting
hole to cut side
duct opening
27 f;
24 V;
13V4
17V3
(__
J_L
21V4 —
— 26Vo
47;»
1V,
BOTTOM
23V
r
FRONT
*30" clearance recommended for furnace removal.
Horizontal position: Line contact is permissible only between lines
formed by intersections of top and two sides of furnace jacket, and
building joists, studs or framing.
Drawing is representative, but some models may vary
- -fVis
DIMENSIONS IN INCHES
DIMENSIONAL INFORMATION
Furnace
Cabinet
Bottom
Return Air
Model
A
B
C
D
Opening
N8MPN/L050B12
N8MPN/L075B12
I
5
V
2
14
IV
b
12%
H
N8MPN/L075F16
N8MPI\I100F14
N8MPI\I/L100F20
1 9 1 / 8
1 7 5 / 8
21/
b
14%
J
N8MPN/L100J22
N8MPN/L125J20
N8MPN/L125J22
2 2
V
4
2 1
V
4
1^=/i6
1S%
J
Plugged starting hole to cur
side duct opening
NOTE:
Evaporator "A” coil drain pan dimensions may vary
from furnace duct opening size. Always consult evaporator
specifications for duct size requirements.
Furnace is designed for bottom return or side return.
Return air through back of furnace is NOT allowed.
441 01 2613 02
□J