Atwood AFSAD12 Manuel d'installation technique - Page 2
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PERSONAL INJURY
All sheet metal edges are sharp care should be taken when handling
or brushing up against them.
Properly seal vent assembly to prevent carbon monoxide from entering
coach.
DO NOT draw combustion air from living area.
DO NOT vent exhaust air into the living area or an enclosed porch.
CARBON MONOXIDE POISONING
Furnace must be installed and vented according to these
instructions.
Improper
installation,
maintenance can cause injury or property damage.
Improper installation location may cause furnace to produce
negative pressure, affecting combustion air or venting of other
appliances.
Properly seal door to prevent carbon monoxide from entering
coach.
Properly adjust draft cap to prevent carbon monoxide from entering
coach.
More information and installation information can be found on
top of furnace and inside front.
Contents
MODEL NOMENCLATURE ..................................................... 2
MODEL SPECIFICATIONS ..................................................... 2
DIMENSION .................................................................................. 2
INSTALLATION AND SAFETY CODES.................................. 2
INSTALLATION CODES ................ Error! Bookmark not defined.
GENERAL FURNACE INSTALLATIONS ................................ 2
CLEARANCE TO COMBUSTIBLES ....................................... 3
REQUIRED DUCTING ............................................................. 3
DISCHARGE AND DUCTING .................................................. 3
FLEXIBLE DUCTING SYSTEMS ............................................. 4
AIR FLOW CHECK .................................................................. 4
FURNACE INSTALLATION ..................................................... 4
SIDEWALL CUTOUT ............................................................... 4
WALL CUTOUTS .......................................................................... 4
SMALL VENT INSTALLATION ............................................... 4
STANDARD DOOR INSTALLATION ...................................... 5
INTERIOR GRILL .................................................................... 5
PROPANE GAS CONNECTION .............................................. 6
ELECTRICAL CONNECTIONS ............................................... 6
POWER SUPPLY .................................................................... 6
CONDUCTOR SIZING ................................................................... 6
THERMOSTAT INSTALLATION ............................................. 7
OPERATING INSTRUCTIONS ................................................ 7
CAUTION
WARNING
adjustment,
alteration,
service
WARNING
TO SHUT DOWN UNIT ................................................................. 7
IGNITION CONTROL DIAGNOSTIC CODES ......................... 7
WIRING AND LADDER DIAGRAM .......................................... 8
MODEL NOMENCLATURE
AF
S
Atwood
Cabinet
Furnace
Size
S=small
SA=small
low amp
or
MODEL SPECIFICATIONS
Model #
AFSD12
Type of
Gas
Propane
BTU Input
12,000
BTU Output
9,120
Duct Static
0.10"WC
Pressure
12 Volt
Amperage
(AMPS)
Power
Supply
(Volt DC)
Watts
Minimum
35 in
Return Air
(WC = WATER COLUMN)
*
15 AMP DECATATED CIRCUIT for furnace
DIMENSION
Approx.
Height
Dim.
Casing
Vent (LD)
Door
Interior Grill
12-1/2"
Trim Ring
10-1/8"
INSTALLATION AND SAFETY CODES
USA and Canada - follow all applicable state and local codes in
the absence of local codes or regulations, refer to current
standards of:
ANSI/NFPA 1192 Recreational Vehicles Code and ANSI/RVIA LV
Low Voltage Systems in Conversion and Recreational Vehicles
CSA Z240.4, Gas-Equipped Recreational Vehicles and Mobile
Housing
National Fuel Gas Code ANSI Z223.1 and/or CAN/CGA B149
This furnace must be installed in accordance with the
manufacturer's instructions and the manufactured Home
Construction and Safety Standard, Title 24 CFR, part 3280, or
when such standard is not applicable, the Standard for
Manufactured Home Installations. (Manufactured Home Sites,
Communities and Set-Ups), ANSI A255.1 and/or CAN/CSA-Z240
MH Series M92 Canadian Standard for Mobile Homes."
ANSI A 255.1 and/or CAN/CSA-Z240.6.2 MH Series, Mobile
Homes
Ground National Electrical Code ANSI/NFPA 70 and/or CSA
C22.1, Part 1
Park Trailers ANSI 1195
GENERAL FURNACE INSTALLATIONS
2
D
20
1
Voltage
Input
Gas
Btu/hr
Type
D=12
12K
1=LP
1=Door
VDC
16K
2=LD
18K
(small
vent)
3=door w/
rear gas
fitting
4=door
w/pigtail
5=door
w/pigtail &
rear gas
fitting
AFSD16
AFSD20
LP
LP
Propane
Propane
16,000
18,000
12,160
13,680
0.10"WC
0.10"WC
3.4*
3.4*
12
12
41
41
2
2
35 in
35 in
Width
Depth
7"
12"
5-1/2"
5-1/2"
1-1/6"
9-3/4"
14-3/4"
8-1/2"
14-1/8"
1
1
A
Style
Valve
Model
Rev
1=
A
single
stage
AFSAD12
LP
LP
Propane
12,000
9,120
0.10"WC
0"WC front
4.8*
2.4*
12
12
56
34
2
2
35 in
Weight
20"
Furnace 21
lbs.
1/2"
Boxed
1/2"
24 lbs.
1/8"