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LOCAL CODES
UNPACKING
Install and use furnace with care. Follow
1. Remove furnace from carton.
all local codes. In the absence of local
2. Remove all protective packaging ap-
codes, use the latest edition of the
plied to furnace for shipment.
following:
3. Remove the following items from
•
National Fuel Gas Code ANS Z223.1,
carton:
also known as NFPA 54* (USA)
• Hardware package containing four
•
National Electric Code ANS/NFPA 70*
large screws, two small screws,
•
CAN/CGA-B149[.1 or .2] Installation
and thermostat mounting plate.
Codes** (Canada).
• Hardware package (thermostat
and two screws)
*Available from:
• Equipment shutoff valve
American National Standards Institute, Inc.
• Manual
1430 Broadway
If any of these items are missing,
New York, NY 10018
promptly inform dealer where you
bought furnace.
National Fire Protection Association, Inc.
Batterymarch Park
4. Check furnace for any shipping
Quincy, MA 02269
damage. If furnace is damaged,
promptly inform dealer where you
**Available from:
bought furnace.
Standards Council of Canada
350 Sparks Street
Ottawa, Ontario K1R 7S8
This furnace must be grounded when in-
stalled. Follow all local codes. In the ab-
sence of local codes, refer to the National
Electrical Code ANS/NFPA No. 70 (USA)
or CSA C22.1 Canadian Electrical Code,
Part 1 (Canada).
The installation must conform with local
codes, in the absence of local codes,
refer to the National Fuel Gas Code, ANS
Z223.1/ Canadian Installation Code,
CAN/CGA B149.
Appliance input ratings are based on sea
level operation and need not be changed
for operation up to 2,000 feet elevation.
For operation at elevations above 2,000
feet, this appliance must be derated in
accordance with the information on the
AGA/CGA rating plate affixed to the unit.
SPECIFICATIONS
SA25N
*Rated Heating Input (BTU/Hr)
25,000
Thermal Output Capacity
(average loss calculation)
19,250 Btu/Hr
Type Gas
Natural Only
Ignition
Hot Surface Ignitor
Operating Amps
1.5
Volts/Cycles
120/60
Main Burner
1
Pressure Regulator Setting
3.5" W.C.
Inlet Connection
3/8 NPT
Inlet Gas Pressure (in. of water)*
Maximum
7"
Minimum
5"
Dimensions, Inches (H x W x D)
15 3/32 x 16 c x 23 e
Furnace
Weight (pounds)
Furnace
53
Shipping
65
*For purposes of input adjustment.
PRODUCT
FEATURES
HOT SURFACE IGNITOR
This furnace has an electronic ignitor.
There is no standing pilot. No matches or
batteries are required.
THERMOSTATIC HEAT
CONTROL
The thermostat is temperature sensitive.
It automatically turns the furnace on and
off. This results in the greatest heating
comfort. This can also result in lower gas
bills.
LIMIT SWITCH
The limit switch shuts off the gas to the
main burner if the furnace becomes too
hot to operate safely.
FLUE LIMIT
The flue limit shuts off the gas to the main
burner if the furnace exhaust or intake
should be restricted.
SA40N
SA25P
SA40P
40,000
25,000
40,000
30,800 Btu/Hr
19,250 Btu/Hr
30,800 Btu/Hr
Natural Only
Propane/LP Only
Propane/LP Only
Hot Surface Ignitor
Hot Surface Ignitor
Hot Surface Ignitor
2
1.5
2
120/60
120/60
120/60
2
1
2
3.5" W.C.
10" W.C.
10" W.C.
3/8 NPT
3/8 NPT
3/8 NPT
7"
13"
13"
5"
11"
11"
15 3/32 x 21 ¾ x 23 e
15 3/32 x 16 c x 23 e
15 3/32 x 21 ¾ x 23 e
71
53
71
98
65
98
3
INSTALLATION
peratures, never install the furnace:
• in an inside wall
Mounting hardware needed to mount fur-
• in a recreation vehicle
nace into wall is included with the furnace.
• in a window recessed in a thick
No venting material is needed. You must
wall (creating an alcove)
furnish tools and all gas piping from the
gas source to the furnace inlet.
• in an alcove
• behind a door or where an open
WARNING: A qualified service
door would block normal air flow
person must install furnace. Have
• as a fireplace insert
service person inspect furnace
• in high traffic areas
before use and at least annually.
Follow all local codes.
• near furniture or draperies
• in windy or drafty areas
NOTICE: This furnace must be
• in a corrosive environment
electrically grounded. Follow all
local codes. In the absence of local
CAUTION:
codes, follow the National Electric
furnace in a home garage, locate
Code, ANS/NFPA 70
(U.S.) or
furnace where moving vehicle will
Canadian Electrical Code Part I-CSA
not hit it.
C22.1 (Canada).
For convenience and efficiency, install
CHECK GAS TYPE
furnace:
• where there is easy access for
If the furnace is not for the type gas at
operation, inspection, and service
your location, call the dealer where you
bought the furnace. Do not attempt to
• in a central location, near an electrical
convert furnace to use a different type gas
outlet
other than type referenced on rating plate.
• where there is adequate clearance
INSTALLATION ITEMS
around vents outside.
Before installing furnace, inspect the wall,
Before installing furnace, make sure you
floor, and outside areas. Make sure there
have all items below:
are no pipes, wiring or anything else that
• electric drill
would interfere with furnace installation. If
• drill bits
you are installing thermostat in a wall,
• Phillips screwdriver
make sure there are no pipes or wiring in
• hammer
the hollow wall above the furnace. The
• pipe wrench
thermostat wires will pass through this
• stud locator or small finishing nails
wall from the attic.
• equipment shutoff valve (supplied)
Minimum Clearances
• test gauge connection (see Figure 15)
• piping (check local codes)
Provide
the
• sealant (resistant to propane/LP gas)
clearances from furnace front cover to
• ground joint union
combustibles (as viewed from the front of
• sediment trap
furnace, see Figure 1):
• tee joint
Below Front Grille: 6 inches
LOCATING FURNACE
Above Front Grille: 12 inches
Adjoining Wall: 12 inches
This furnace is designed to be mounted in
Front: 8 feet
a wall that is 4 to 18 inches thick. You can
also mount furnace in a window.
WARNING: Do not install fur-
nace in interior wall of building. You
must install furnace in exterior wall
of building. Rear of furnace must
extend into open, outside air. This
lets poisonous exhaust gases ven-
tilate to the outdoors.
WARNING:
Turn off electrical
circuits that pass through the wall
where you are going to install the
furnace.
Figure 1 - Mounting Clearances as Viewed
from Front of Furnace
WARNING: Maintain the mini-
mum clearances shown in Figure 1. If
you can, provide greater clearances
from floor, ceiling, and joining wall.
The clearance between the cabinet and
the wall it passes through is 0 inches, top,
bottom, and sides.
WARNING:
Due to high tem-
Provide
the
clearances from furnace cabinet (portion
of cabinet extending into outside air, as
viewed from the rear of furnace) to
obstructions:
Cabinet Back: 36 inches
Cabinet Sides: 6 inches
Cabinet Bottom: Must be high enough
off the ground to prevent snow, water,
leaves, or any other objects from
blocking vents.
CREATING WALL OPENING
AND MOUNTING FURNACE
Remove furnace front grille. Remove the
two screws at the lower edges of front
grille. Lift front grille away.
If you install the
Installing in Norm al Frame W all
The 25,000 BTU/Hr model is designed to
fit between two wall studs set at 16 inch
on center. The 40,000 BTU/Hr model will
not fit between wall studs. Follow the
steps below to install.
1. Turn off electrical circuits that pass
through mounting wall. Make sure
there are no pipes or electrical wires
in area you intend to cut.
2. Use stud locator or small finishing nail
to find wall studs. When you locate
studs, drive a small finishing nail into
each stud. This provides a visual
reference for stud locations.
3. 25,000 BTU/Hr Model: Cut an open-
ing in wall between the two studs.
Make opening 14 1/4" wide by 13 5/8"
high (see Figure 2). IMPORTANT:
You must install furnace horizontally.
Do not install furnace vertically.
40,000 BTU/Hr Model: Cut a 20 5/16"
wide by 14 3/8" high opening in wall
following
minimum
(see Figure 2). Start your cut right
next to stud you are going to anchor
cabinet to. Cut across wall and
through the next stud. Stop cut at
proper width. IMPORTANT: You must
install furnace horizontally. Do not
install furnace vertically.
4. 25,000 BTU/Hr Model: Mark screw
locations on wall (see Figure 2). Make
sure screws will anchor into studs.
Make sure screw locations match
screw holes on cabinet flange.
40,000 BTU/Hr Model: Mark screw
locations on wall (see Figure 2). Make
sure screws on one side will anchor
into studs. Screws on other side will
only anchor in wall material. Make
sure screw locations match screw
holes on cabinet flange.
following
minimum
4
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