ICP N8MPN Installation Instructions Manual page 5

·
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.
Dimensions and Clearances (N8MPN/L)
Figure 1
TOP
LEFT SIDE
1
2 /
4
Plugged starting
hole to cut side
duct opening
1
13 /
4
3
21 /
7
1 / 4
8
5
26 /
8
BOTTOM
D
1
23 /
8
C
DIMENSIONAL INFORMATION
Cabinet
Furnace Furnace
Model
A
N8MPN/L050B12
1
15 /
2
N8MPN/L075B12
N8MPN/L075F16
1
N8MPN100F14
19 /
8
N8MPN/L100F20
N8MPN/L100J22
3
N8MPN/L125J20 22 /
4
N8MPN/L125J22
441 01 2611 06
1
3 /
4
1
5 /
3
30² Min.
1
6 /
2
5
3
3 /
4
33
7 1
27 /
2
1
24 /
2
1
13 /
1
4
1
17 /
3
1
7 1 /
4 /
2
8
Drawing is representative, but some models may vary
1
4 /
16
Bottom
Return Air Return Air
Opening
B C D
3 5
1 / 12 / H
14 8 8
5 1 3
17 / 2 / 14 / J
8 8 4
1 15 3
21 / 1 / 18 / J
4 16 4
·
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.
MINIMUM CLEARANCES TO COMBUSTIBLE
MATERIALS FOR ALL FURNACES
REAR
FRONT (combustion air openings
in furnace and structure)
Required For Service
ALL SIDES Of SUPPLY PLENUM
SIDES
VENT
Single--Wall Vent
Type B--1 Double--Wall Vent
TOP OF FURNACE
*
30² clearance recommended for casing removal.
A
Horizontal position: Line contact is permissible only between lines
B
formed by intersections of top and two sides of furnace jacket, and
building joists, studs or framing.
FRONT
DIMENSIONS IN INCHES
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.
1
28 /
2
18
3
3 /
4
2
RIGHT SIDE
1
28 /
2
7
3
25 /
4
J
1
H
32
1
13 /
4
1
17 /
3
1
1 /
7 3
4 / 21 /
2
8 4
5
26 /
8
Plugged starting hole to cut
side duct opening
0
3²
*
24²
1²
0
6²
1²
1²
1
/
2
3
/
4
35
1
2 /
4
1
13 /
4
7
1 /
8
25--23--44a1
5