6"
Top Clearance
0" Side
Clearance
to Furnace
Cabinet
Removable access
panel should be
installed above
furnace door frame
to access roof jack
- -_.,, Nearest
i, Wall or
Partition
Figure 1. Alcove installation
6"
Top Clearance
Provide min. 235
in. (1516 cm 2)
open free area in
front or side wall
, I In closet
door
i located
F at top,
0" Side center
Clearar or bottom
to
CLOSET DOOR
Figure 2. Closet Installation
------_ Provide min. 250
6" (152 mm) sq. in. (1613 cm 2)
Top Clearance -_._/ (( open free area in
__--_ /i' front or side wall
/ - !r<_
or
in closet
_ door
_t a fully
, I Iouvered
0" Side door may
Clearance be used
to Furnace
Cabinet
:iOSET DOOR
Figure 3. Special 1" Clearance
Part
No.
903773
903413
903890
Blower / Motor
Assembly
Blower Motor
Wheel (Hp)
10x 8 1/4
11 x8 1/2
11 x 8 3/4
NC Capacity
(Tons)
2, 21/2& 3
2, 21/2,3 & 4
2, 21/2,3, 4&._5
Table 2. Blower Assemblies
Applications
M1 Series gas and M5 Series oil furnaces are
listed direct vent (sealed combustion), downflow
heating appliances for manufactured (mobile)
homes, recreational vehicles, and for use in
residentia!/modular/commercial construction.
The furnace must be located so that venting can
be properly achieved.
Air conditioning may be added to structures with
M1/M5 series furnaces using air conditioning or
conventional units. This Installation Instruction
manual includes special requirements for
incorporation of air conditioning equipment to the
M1/M5 serJesof fumaces. See Tabel 12 (page 32).
Multi-speed blower assemblies shown in Table
2, have been certified for field installation in M1/
M5 Series furnaces.
Unit Location
, The furnace shall be appropriately located to
the supply and return air distribution system
(See Page 7). Sides and back of the furnace
may be enclosed bywall framing. See Minimum
Clearances (page 2) and Figures 1- 3.
, The furnace installation is only intended for
free air return through the furnace door louvers.
DO NOT connect a ducted return air system
directly to the furnace. Improper installation
may create a hazard and damage equipment,
as well as void all warranties.
, Furnace may be installed on combustible
flooring when using NORDYNE Duct
Connectors. See pages 9 & 10.
, When installed in a residential garage, the
furnace must be positioned so the burners and
the source of the ignition are located no less
than 18 inches above the floor and protected
from physical damage by vehicles.
..........l¸-
"A"- s6'i
"A" Model _
w/o Coil
Cabinet "B'= 76"
"B" Model j _a
w/Coil
Cabinet
Figure 4. Overall Dimensions
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