Atwood AFSAD12111 Manual de instruções - Página 4
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To prevent moisture from entering inside of coach, apply RTV
type sealant to the back of the bezel flange of the vent part.
Vents are designed to allow water drainage when installed
correctly.
Vents are design to allow for different wall thickness up to a
maximum of 2-1/2"
1.
Locate vent hole cutout as called out in Figure 2.
Drill 3-1/2" diameter hole through sidewall of coach maximum wall
2.
thickness 2-1/2".
3.
Remove vent and vent ring from furnace.
4.
Insert furnace from backside of wall, lining up hole in wall with
vent in furnace.
5.
Apply sealant to back of vent ring.
6.
Install vent assembly with HOT at top on horizontal installations
and HOT on right side for vertical installations. Vent ring must slip
inside combustion air intake tube. Secure to wall with 2 screws
not provided.
Vent assembly must maintain minimum overlap of 1-1/4" on
7.
exhaust tube and 1/2" minimum on combustion air tube. DO NOT
exceed maximum wall thickness.
8.
Secure furnace to floor with legs provided on back of casing. For
vertical units casing legs can be positioned for placement to
secure furnace
STANDARD DOOR INSTALLATION
To prevent moisture from entering inside of coach, apply RTV
type sealant to all sealing areas.
The door bezel must fit tightly, to prevent water leakage.
Doors are designed to allow water drainage in either horizontal or
vertical installations. Proper location of vent assembly is important
for proper exhausting of fumes and proper function of furnace.
1.
Cut hole opening as shown in Figure 3 in location of side wall
were unit will be installed.
2.
Apply RTV type sealant to entire back flange of bezel creating a
sealing area.
Pull furnace forward through cutout about a 1" inch, slip bezel
3.
around casing, and flush inner flange with casing.
4.
Secure bezel to furnace casing with 6 screws.
5.
Push furnace and bezel back tight against side wall and secure
with 14 screws.
6.
When installing screws DO NOT deform bezel.
Figure 2
Figure 3
7.
Connect the gas line to the valve and push the gas line plug into
casing opening.
8.
Remove excess sealant from around bezel and visually inspect
bezel to make sure it is completely sealed.
9.
Secure furnace to floor with mounting legs provided.
10. Fasten door and vent with 6 screws provided.
INTERIOR GRILL INSTALLATION
To install grill cut an 11" x 7.25" hole into the cabinet for a non-
removable furnace installation. See Figure 4
To install grill as an access to remove furnace cut a 12-1/2" x 8-3/4"
hole into the cabinet from the floor up you must also purchase a trim
ring for this installation. See Figure 5
Interior grill supplies return air and heated air necessary for AFSA
models and must be used. All other AFS models this grill is an option.
Discharge air from the round center louver can be direct 360° by tuning
louver.
1.
Locate furnace and cut opening in outside wall as shown in figure 1.
2.
To install grill for front discharge remove the knockout from the rear of
the casing and attached the 5" duct adapter.
Fasten 5" ducting to the adapter and to the back of the interior grill and
3.
secure.
On installation with 1" or less space between furnace and cabinet face
4.
grill can be inserting into the adapter ring to complete the connection.
5.
Secure grill to cabinet by fastening with two screws through mounting
holes or if optional trim ring secure first with four screws to the cabinet
then the grill to the trim ring.
6.
Vertical installation cutout and space see Table 5 for dimensions.
DUCTING OPTIONS
REQUIRED MINIMUM DISCHARGE
Models
AFSDA
AFSD
4
Figure 4
Figure 5
Required Discharge Area
FRONT GRILL ONLY
2
24 in