Dometic AFM Series, Техническое руководство по установке

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WARNING
CARBON MONOXIDE POISONING
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.
WARNING
CARBON MONOXIDE POISONING

Furnace must be installed and vented according to these
instructions.

Improper installation, adjustment, alteration, service or
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.
WARNING
CARBON MONOXIDE POISONING

Properly seal door to prevent carbon monoxide from entering
coach.

Properly adjust draft cap to prevent carbon monoxide from entering
coach.
MODEL NOMENCLATURE
AF M D 25 1 1 1 A
Dometic
Furnace
Cabinet
Size
Voltage Input
Btu/hr
Gas
Type
Gas
Location
Valve Model
Rev
AF M=medium D=12
VDC
16K
1=LP 1=door 1=Single A
20K
2=LD (small
vent)
25K
3=door w/
rear gas
fitting
30K
4=door
w/pigtail
35K
5=door w/
pigtail & rear
gas fitting
Contents
MODEL NOMENCLATURE ....................................................... 2
MODEL SPECIFICATIONS ....................................................... 2
DIMENSIONS ................................................................................... 2
INSTALLATION AND SAFETY CODESError! Bookmark not defined.
INSTALLATION CODES ................... Error! Bookmark not defined.
GENERAL FURNACE INSTALLATIONS .................................. 2
CLEARANCE TO COMBUSTIBLES: ............................................... 3
REQUIRED DUCTING ...................................................................... 3
REQUIRED DISCHARGE ................................................................. 3
FLEXIBLE DUCTING 4
AIR FLOW CHECK ........................................................................... 4
FURNACE INSTALLATION ....................................................... 4
SIDEWALL CUTOUT ....................................................................... 4
SMALL VENT INSTALLATION ................................................. 5
STANDARD DOOR INSTALLATION ........................................ 5
FLUSH DOOR INSTALLATION ................................................ 6
HARD DUCT SYSTEMS ............................................................ 6
FLOOR DISCHARGE CUTOUTS ..................................................... 6
GAS CONNECTION .................................................................. 6
ELECTRICAL CONNECTIONS ................................................. 7
THERMOSTAT INSTALLATION ............................................... 7
OPERATING INSTRUCTIONS .................................................. 7
TO SHUT DOWN UNIT ..................................................................... 8
IGNITION CONTROL DIAGNOSTIC CODES ............................ 8
WIRING AND LADDER DIAGRAM ............................................ 8
MODEL SPECIFICATIONS
Models AFMD16 AFMD20 AFMD25 AFMD30 AFMD35
Type of
Gas
LP
Propane
LP
Propane
LP
Propane
LP
Propane
LP
Propane
BTU Input 16,000 20,000 25,000 30,000 34,000
BTU
Output
12,160 15,200 19,000 22,800 25,840
Duct
Static
Pressure
.20” WC .10” WC .10” WC .10” WC .10” WC
Amperage
(AMPS)
4.2* 4.2* 7.5* 7.5* 11.1*
Watts 50 50 90 90 132
Power
Supply
(Volt DC)
12 12 12 12 12
Return Air 80 in
2
80 in
2
80 in
2
80 in
2
80 in
2
Minimum
Return Air
65 in
2
65 in
2
65 in
2
65 in
2
65 in
2
(WC =
WATER
COLUMN)
*
15 AMP DECATATED CIRCUIT FOR FURNACE
DIMENSIONS
Approx. Width Height Depth Weight
Casing 16-
1/2” 7” 20”
Furnace
26lbs.
Boxed
29 lbs.
STD Door 19-
1/4”
9-
3/4” 3/4”
FLUSH
DOOR
19-
3/8”
10-
1/4” 7/32”
Vent LD 5-1/2
”
5-1/2
”
1-
1/16”
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

All models can be installed in either a horizontal or vertical
mounting position horizontal installed units have the gas line
positioned on top or rear, vertical installed units must have the
vent located at the floor and gas line at right side and rear.

Always install furnace through an exterior wall.

DO NOT install furnace near tilt-out rooms, slide-outs, doors or
other projection that could obstruct furnace exhaust.

Locate furnace near midpoint of coach for single furnace
applications.

Installation must provide accessibility if any repairs are necessary
to the furnace. Failure to meet this requirement will create
additional labor costs that will be the responsibility of the installer.