FMI VF48H(I)(R)A - Manual (Page 10)

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10 FOOT RULE
All flue gas outlet chimney terminations must
extend a minimum of 3 feet in height above
highest point where it passes through the roof
and must be at least 2 feet above highest point
of the roof that is within a horizontal distance
of 10 feet (see Figure 17).
INSTALLATION
Continued
FINISHING FIREPLACE
Combustible materials, such as wallboard,
gypsum board, sheet rock, drywall, plywood,
etc. may make direct contact with sides and
top around the fireplace face. It is important
that combustible materials do not overlap face
itself. Brick, glass, tile or other noncombustible
materials may overlap front face provided they
do not obstruct essential openings like louvered
slots or any other opening. When overlapping
with a noncombustible facing material, use only
noncombustible mortar or adhesive.
24" Min.
24" Min.
18"
Min.
Typ.
Figure 16 - Multiple Chase Installation
10'
2' Min.
10'
3' Min.
2' Min.
3' Min.
Level of
Flue Gas
Outlet
Figure 17 - 10 Foot Rule
CAUTION: All gas piping
and connections must be tested
for leaks after the installation
is completed. After ensuring
that the gas valve is on, apply
soap and water solution to all
connections and joints. Bubbles
forming show a leak. Correct
all leaks at once. DO NOT USE
AN OPEN FLAME FOR LEAK
TESTING AND DO NOT OPER-
ATE ANY APPLIANCE IF A LEAK
IS DETECTED. LEAK TESTING
SHOULD BE DONE BY A QUALI-
FIED SERVICE PERSON.
WARNING: Do not operate an
unvented gas log set in this fire-
place with the chimney removed.
If you install a decorative gas appliance
(vented gas log), the decorative gas appliance
must comply with the Standard for Decorative
Gas Appliance for Installation in Solid Fuel
Burning Fireplaces, ANS Z21.60 or Z21.84
and shall also be installed in accordance with
the National Fuel Gas Code, ANSI Z223.1/
NFPA 54 latest edition.
WARNING: If fireplace has
been used for wood burning,
firebox and chimney must be
cleaned of soot, creosote and
ashes by a qualified chimney
cleaner. Creosote will ignite if
heavily heated.
WARNING: When using
a decorative vented gas log,
damper must be removed or
permanently locked in the fully
open position and glass doors
must be in fully open position.