May 5, 2015
7036-188E
11
MT VERNON AE INSERT
Keep sharp edge of
metal floor away from
power cord
Leveling Leg
Figure 11.1.
Place the insert into the facto-
ry-built fi rebox. Ensure that the power cord
can not be damaged by the sharp metal
edge. You may need to cut out a notch to
accommodate the cord.
Figure 11.2.
Ensure that the leveling leg is
positioned over the 2 x 4 before leveling the
insert. Minimum 1” clearance.
NOTICE:
In Canada when using a factory-built chim-
ney it must be safety listed,
Type UL103 HT (2100
o
F)
[1149
o
C] CLASS “A”
or conforming to
CAN/ULC-
S629M, STANDARD FOR 650
o
C FACTORY-BUILT
CHIMNEYS.
I. Prefabricated Metal Chimney
The chimney can be new or existing, masonry or prefabricated
and must meet the following minimum requirements:
• Must be minimum 6 inch (152mm) inside diameter of
high temperature chimney listed to UL 103 HT (2100
o
F)
or ULC-S628.
• Must use components required by the manufacturer for
installation.
• Must maintain clearances required by the manufacturer
for installation.
• Refer to manufacturers instructions for installation
•This insert is listed to ASTM E 1509-12 Standard and
is approved for installation into listed factory-built zero
clearance fi replaces listed to UL 127 conforming to the
following specifi cations and instructions:
•The original factory-built clearance fi replace chimney
cap must be re-installed after installing the approved
chimney liner meeting type UL 103 HT requirements
(2100°F) per UL 1777.
•If the chimney is not listed as meeting HT requirements,
or if the factory built fi replace was tested prior to 1998, a
full height listed chimney liner must be installed from the
appliance fl ue collar to the chimney top.
•The liner must be securely attached to the insert fl ue collar
and the chimney top.
•The
air
fl ow of the factory-built zero-clearance fi replace
system must not be altered. The fl ue liner top support
attachment must not reduce the air fl ow for the existing
air-cooled chimney system.
•No dilution air is allowed to enter the chimney.
1.
Secure the fi replace damper in the open position. If
this cannot be accomplished, it will be necessary to
remove the damper
2. Seal damper area of chimney around chimney
connector with a high temperature sealant or seal
insert against the face of the fi replace.
3. Both methods must be removable and replaceable
for cleaning and re-installation.
• Removing
fl oor of fi replace must not weaken structure
of fi rebox or reduce protection for combustible materials.
•
Final approval of this installation type is contingent upon
the appropriate local authority having jurisdiction.
WARNING
H. Installation into a Masonry Fireplace
All modifi cations that can be made to a Factory Built Fire-
place can be made to a Masonry Fireplace.
In addition
DO NOT
remove any brick or mortar from the
existing fi replace.
Risk of Fire!
Follow venting manufacturer’s clearances and
instructions when installing venting system.
WARNING
1”
Example Removal of Factory-Built Fireplace Cont.