NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
14
Note:
See Framing and Dimension Chart for the
sizes of the ceiling and roof openings. The size
of the roof opening varies with the degree of
pitch of the roof.
Offset Elbow Assembly
Offset elbows install the same as chimney
sections. First, snap the inner section INTO the
preceding inner section of flue. Check connec-
tion by pulling up slightly to ensure a tight fit.
Next, the outer sections snap lock OVER the
preceding outer section of chimney. Again,
check outer section by pulling up slightly to
ensure proper connection is made.
Return Elbow Assembly
Return elbows install the same way as round
terminations and stabilizers:
Step 1.
Hold return elbow over top of last
chimney section.
Step 2.
Center inner slip section into inner flue
pipe-slip down.
Step 3.
Center outer-locking section over outer
chimney pipe. Push down until locking joint has
firmly engaged.
Step 4.
Pull up slightly on return elbow to
ensure locking joint has firmly engaged.
Step 5.
Secure support straps to framing
members by nailing under tension in sheer
(
Figure 39 ).
Return
Elbow
Combustion Air Kits
The installation of an outside combustion air
kit is highly recommended. It is very impor-
tant to ensure good fireplace operation in
homes which are tightly weather sealed or
have ventilating appliances installed.
Step 1.
Determine the source for outside air,
which can be installed through an outside wall
or into a ventilated crawl space. In either case,
a 4 1/2" diameter hole will be required for
installation of the air inlet assembly.
CAUTION: AVOID INSTALLING THE AIR IN-
LET WHERE THE OPENING COULD BE
BLOCKED BY SNOW, BUSHES OR OTHER
OBSTACLES. THE MAXIMUM HEIGHT FOR
THE OUTSIDE AIR IS 50 FEET ABOVE THE
HEARTH, PROVING THE AIR INLET IS TERMI-
NATED A MINIMUM OF THREE (3) FEET BE-
LOW THE CHIMNEY CAP LEVEL.
Note:
Combustion air inlet ducts must not
terminate in attic space.
OPTIONAL EQUIPMENT
CONSIDERATIONS
Gas Line Connection
Install a
¹⁄₂
" gas supply line through fireplace
wall for connection to a decorative gas appli-
ance inside the firebox. Outside, the gas supply
line connects to a gas shut-off valve recessed
flush into the wall or floor. The valve should be
controlled by a removable valve key for safety.
Always plumb gas line installation per local
codes. Check all connections with soap suds;
leaks will bubble. Never test any gas line con-
nection with a match or open flame.
This provision is intended for connection to a
decorative gas appliance incorporating an au-
tomatic shut-off device and complying with the
Standard for Decorative Gas Appliances for
installation in vented fireplaces, ANSI Z21.60
(1991) or American Gas Association draft re-
quirements for Gas-Fired Log Lighters for Wood
Burning Fireplaces, Draft No. 4 dated August,
1993. Install in accordance with the National
Fuel Gas Code, ANSI Z223.1. This complies
with the revised U.L. 127 standard.
Vent Free Appliances
These units have been tested and approved to
ANSI/IAS/AGA Z21.11.2 for use with unvented
gas appliances and complies with the stan-
dard for Factory-Built fireplaces, UL 127.
The unit has been tested for use with any
unvented gas log sets having a maximum
rating of 40,000 BTU. The minimum mantle
configurations are outlined in
Figure 42.
Figure 40
Figure 41
Figure 39
Note:
The return elbow assembly performs
the same function as a stabilizer. Consider this
when determining the need for a stabilizer.
Note:
Do not apply excessive pressure to any
subsequent chimney section following return
elbow assembly when installing. Ensure that
each subsequent chimney section is securely
attached by testing as noted above.
Step 2.
Install the air inlet eyebrow (FOAK-4
or FOAK-4LD) through the wall opening (
Fig-
ure 40 ). Push a 4 inch diameter NON-
COMBUSTIBLE Class 0 or Class I flexible
duct onto the eyebrow.
Step 3.
With the two remaining sheet metal
screws and the two clamp brackets supplied,
secure the duct to the air gate assembly as
shown in
Figure 41.
AIR INLET
EYEBROW
ASSEMBLY
FOAK
