16
January 10, 2020
7045-910I
4100 Insert ACC
K. Prefabricated Metal Chimney
Figure 16 .1
J. Metal Heat Circulating Masonry
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
UL 1482 Standard
and is
approved for installation into listed factory-built zero
clearance fireplaces listed to
UL 127
conforming to the
following specifications and instructions:
•
The original factory-built clearance fireplace 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 fireplace was tested prior to 1998,
a full height listed chimney liner must be installed from
the appliance flue collar to the chimney top.
•
The liner must be securely attached to the insert flue
collar and the chimney top.
•
The air flow of the factory-built zero-clearance fireplace
system must not be altered. The flue liner top support
attachment must not reduce the air flow for the existing
air-cooled chimney system.
Minimum 8” (203mm) Masonry Thickness
in Front of Smoke Chamber
Damper Plate Removed or
Fastened in Open Position
Seal with Non-
Combustible Material
Minimum Clearance in Accordance with
Insert Listing
Floor Protection in
Accordance with Insert
Listing
Combustible Floor
Airtight Insulated Clean-Out
Stainless Steel Chimney Connector
Must Extend to Flue Liner
Flue Liner with Required Air Space
This insert conforms with the safety standard
UL-1482 and
ULC S628
(Canada) in all respects and is approved to
UL
and ULC
safety standards for installation and use within a
fireplace with masonry chimney, in accordance with
NFPA
211
, with a direct flue collar connection.
Generic Insert Model Shown in Illustration
•
No dilution air is allowed to enter the chimney.
a.
Secure the fireplace damper in the open position.
If this cannot be accomplished, it will be necessary
to remove the damper
b. Seal damper area of chimney around chimney
connector with a high temperature sealant or seal
insert against the face of the fireplace.
c.
Both methods must be removable and replaceable
for cleaning and re-installation.
NOTICE:
In Canada when using a factory-built chimney
it must be safety listed,
Type UL103 HT
(2100oF) [1149oC] CLASS “A”
or conforming
to
CAN/ULC-S629M, STANDARD FOR 650oC
FACTORY-BUILT CHIMNEYS.
NOTE:
Refer to chimney liner manufacturer for
recommendations on supporting the liner.
Installation into fireplaces without a permit will void
the listing.
Minimum Opening
Dimensions
Inches
Millimeters
A
Height
30-1/2
775
B
Front Width
24-1/2
622
C
Back Width
22
559
D Depth
16-3/4
425
Fire Risk.
When lining air-cooled factory-built chimneys:
•
Run chimney liner approved to
UL 1777 Type HT
requirements (2100 degrees F)
•
Re-install original factory built chimney cap ONLY
•
DO NOT block cooling air openings in chimney
•
Blocking cooling air will overheat the chimney
WARNING
