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5100 Insert ACC
L. Ovalizing Round Stainless Steel Liners
Ovalizing round stainless steel liners to accommodate the
liner passing through the damper region of a fireplace is an
allowable and acceptable practice.
Ensure that the ovalization is minimized to the extent
required to fit through the damper.
M. Altering The Fireplace
The following modifications of factory-built fireplaces are
permissible:
The following parts may be removed:
Damper
Ember Catches
Viewing Screen/Curtain
•
The fireplace must not be altered. Cutting any sheet
metal parts of the fireplace in which the fireplace insert
is to be installed is prohibited per ANSI Z21.88 except
that the damper may be removed to accommodate a
direct-connect starter pipe or chimney liner,
•
External trim pieces which do not affect the operation
of the fireplace may be removed providing they can be
stored on or within the fireplace for reassembly if the
insert is removed.
•
The permanent metal warning label provided in the
component pack must be attached to the back of the
fireplace, with screws or nails, stating that the fireplace
may have been altered to accommodate the insert,
and must be returned to original condition for use as a
conventional fireplace (Figure 16.1).
•
If the hearth extension is lower than the fireplace
opening, the portion of the insert extending onto the
hearth must be supported.
•
Manufacturer designed adjustable support kit can be
ordered from your dealer.
•
Final approval of this installation type is contingent
upon the authority having jurisdiction.
WARNING
THIS FIREPLACE MAY HAVE BEEN ALTERED
TO ACCOMMODATE AN INSERT. IT MUST BE
RETURNED TO ITS ORIGINAL CONDITION
BEFORE USE AS A SOLID FUEL BURNING
FIREPLACE.
Figure 16.1
16
Smoke Shelf or Baffle
Fire Grate
Doors
250-2061
7047-910J
N. Zero-Clearance Fireplace
A permit may be required for installations, final approval is
contingent of the authority having local jurisdiction. Consult
insurance carrier, local building, fire officials or authorities
having jurisdiction about restrictions, installation inspection,
and permits.
Inspect the existing fireplace and chimney for any damage
or flaws such as burnouts, metal or refectory warping.
Inspection to a minimum of NFPA 211 Level II is
recommended. All repairs must be made prior to installing
an insert. The fireplace must be structurally sound and be
able to support the weight of the solid-fuel insert
The factory-built chimney must be listed per UL 127 or
ULC 610-M87 for all installations. Install thermal protection
per this appliance listing requirements.
A full height 6 inch diameter stainless steel full height
listed chimney liner must be installed meeting type HT
(2100°F) requirements per UL 1777 (USA) or ULC S635
with "0" clearance to masonry (Canada). The full liner must
be attached to the insert flue collar and to the top of the
existing chimney.
The flue liner top support attachment must not reduce the
air flow for the existing air-cooled chimney system. Re-
install original factory-built chimney cap only; see section
on Prefabricated Metal Chimney on page 15.
To prevent room air passage to the chimney cavity of the
fireplace, seal either the damper area around the chimney
liner or the insert surround. Circulating air chamber (i.e. in a
steel fireplace liner or metal hearth circulatory) may not be
blocked. The air flow within and around the fireplace shall
not be altered, blocked by the installation of the insert. (i.e.
no louvers or cooling air inlet or outlet ports may be blocked
by the insert or the insert surround.
See Altering the Fireplace on page 16 for modifications
allowed for factory-built fireplaces.
WARNING
Asphyxiation Risk.
DO NOT connect this appliance to a chimney
flue servicing another appliance or to any air
distribution duct or system.
This may allow flue gases to enter the house.
January 13, 2020
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