Amana xMVM97 series Installation Instructions Manual page 12

9.3.8.5 Ducts shall not be screened where terminating in an attic space.
9.3.8.6 Horizontal upper combustion air ducts shall not slope downward
toward the source of combustion air.
9.3.8.7 The remaining space surrounding a chimney liner, gas vent, special
gas vent, or plastic piping installed within a masonry, metal, or factory
built chimney shall not be used to supply combustion air.
Exception: Direct vent appliances designed for installation in a solid fuel-
burning fireplace where installed in accordance with the manufacture's
installation instructions.
9.3.8.8 Combustion air intake openings located on the exterior of the
building shall have the lowest side of the combustion air intake openings
located at least 12 in. (300 mm) vertically from the adjoining grade level.
I P
NSTALLATION OSITIONS
A/GMVM97 models may be installed upflow or horizontally
with left or right side down. A/GCVM97 models may be in-
stalled downflow or horizontally with left or right side down.
Do not install this furnace on its back. For upright upflow
furnaces, return air ductwork may be attached to the side
panel(s) and/or basepan. For horizontal upflow furnaces, re-
turn air ductwork must be attached to the basepan. For both
upright or horizontal counterflow furnaces, return ductwork must
be attached to the basepan (top end of the blower compart-
ment). NOTE: Ductwork must never be attached to the back
of the furnace. Refer to "Recommended Installation Positions"
figure for appropriate installation positions, ductwork connec-
tions, and resulting airflow arrangements.
12
Figure 4A
Figure 4B
Recommended Installation Positions
H A
ORIZONTAL PPLICATIONS
When installing a furnace horizontally, additional consideration
must be given to the following:
F S
URNACE USPENSION
If suspending the furnace from rafters or joists, use 3/8" threaded
rod and 2"x2"x1/8" angle iron as shown in the following dia-
gram. The length of rod will depend on the application and the
clearances necessary.
If the furnace is installed in a crawl space it must be suspended
from the floor joist or supported by a concrete pad. Never install
the furnace on the ground or allow it to be exposed to water.
2" 2" 3/8"
ANGLE IRON
X X
(3 )
PLACES
F C P
RONT OVER RESSURE
When an upflow model is installed horizontally with left side
down or a counterflow model is installed horizontally with
right side down, the front cover pressure switch tube must
be re-located to the lower port of the collector box cover.
1. Remove tube from front cover pressure switch and
collector box cover.
2. Remove rubber plug from bottom collector box port
and install on top collector box port.
3. Locate 24" x 1/4" tube in parts bag.
4. Install one end on front cover pressure switch.
5. Route tube to lower port on collector box cover and
cut off excess tubing.
Figure 4C
& C
ONSIDERATIONS
Figure 5
S T L
WITCH UBE OCATION