USSC
7
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE
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L
C
L
C
Do not locate termination hood where ex-
cessive snow or ice buildup may occur.
Check vent termination area after snow-
falls, and clear to prevent potential block-
age of venting system. When using snow
blowers, make sure snow is directed away
from the vent termination area.
18"
36"
36"
12"
12"
72"
48"
GM
R
6"
72"
72"
M
V
V
V
V
V
V
V
V
V
V
12"
From combustible's exterior surfaces, gas meter, air intakes, etc.
MINIMUM VENT TERMINATION CLEARANCES
The vent termination must not be lo-
cated:
1.
Less than 7 feet above a paved
sidewalk or a paved driveway
located
on public property.
2.
Within 6 feet of a mechanical air sup-
ply
inlet to any building.
3.
Above a meter/regulator assembly
within 3 feet horizontally of the verti-
cal
center-line of the regulator.
4.
Within 6 feet of any gas service
regulator vent outlet.
5.
Less than 1 foot above grade level;
(see section on below ground
installation for special venting.)
6.
Within the following distances of a
window or a door which can be
opened, any non-mechanical air
supply inlet or the combustion air in-
let
of another appliance;
a.
12 inches top and sides.
b.
4 feet below.
7.
Underneath a veranda, porch or deck
where,
a.
the veranda, porch or deck is fully
open on a minimum of two sides
beneath the floor.
b.
the distance between the top of
the vent termination and the under-
side
of the veranda, porch, or deck is
less
than 4 feet.
VENTING INSTRUCTIONS
The Model 9660 furnace is designed for
direct venting through a side wall or roof.
Only venting components specifically
approved and labeled for this furnace may
be used. The flow of combustion and
ventilation air must not be obstructed.
Minimum clearance between vent pipes
and combustible materials is one (1) inch.
CAUTION: ALL JOINTS MUST
BE AIR-TIGHT.
THE INSTALLATION OF THIS
APPLIANCE MUST CONFORM WITH
LOCAL CODES, OR IN THE ABSENCE
OF LOCAL CODES, WITH THE LATEST
EDITION OF THE NATIONAL FUEL GAS
CODE, ANSI 223.1 (Latest Edition).
SIDE WALL VENTING
Location of Vent Termination
IMPORTANT: The minimum clearances
given for the vent termination must be
strictly adhered to. There must not be any
obstruction such as bushes, fences, garden
sheds, decks or utility buildings within 24"
from the front of the termination hood.
V -
Vent Termination
M -
Mechanical Air
GM-
Gas Meter
R -
Regulator
GLASS CLEANING
It will be necessary to clean the glass
periodically. During start-up, condensation
forms on the inside of the glass and causes
dust, lint, etc. to cling to the glass surface.
This is normal. Also, initial paint curing can
deposit a slight film on the glass.
DO NOT CLEAN GLASS WHEN IT IS
HOT.
DO NOT USE ABRASIVE CLEANERS ON
GLASS OR DOOR.
IMPORTANT! THE VENT-AIR INTAKE
SYSTEM MUST BE PROPERLY IN-
STALLED TO INSURE PROPER AND
SAFE OPERATION. THE VENT-AIR IN-
TAKE SYSTEM MUST BE PROPERLY
REINSTALLED AND RESEALED TO IN-
SURE PROPER AND SAFE OPERATION.
FOR MANUFACTURED HOME (MOBILE
HOME) INSTALLATION: "THIS APPLI-
ANCE MUST BE INSTALLED IN ACCOR-
DANCE WITH THE MANUFACTURER'S
INSTRUCTIONS AND THE
MANUFACTURER'S HOME CON-
STRUCTION AND SAFETY STAN-
DARDS, TITLE CFR, PART 3280
."
