Installation; Prepare Existing Fireplace; Fireplace Insert Air Duct Removal; Combustion Air Venting Options - kozy heat CSK-34 L Installation And Operation Manual

5.0 INSTALLATION

5.1 Prepare Existing Fireplace

CAUTION: Trim panels or surrounds must not seal ventilation
openings in existing fireplace that this appliance is installed in.
ATTENTION: Any removed parts must be capable of re-
installation if this insert is ever removed. Removal of rivets or
screws is acceptable.
• The refractory, glass doors, screen rails, screen mesh, and
log grates may be removed from existing fireplace before
installing this gas fireplace insert.
• The fireplace flue damper can be fully blocked, open, or
removed for installation of this gas fireplace insert.
• Clean the chimney and inside of the fireplace to prevent a
creosote smell from entering the home.
• Cutting of any sheet metal parts of the existing fireplace is
prohibited.
• If the metal floor is removed, the insert must be placed
directly on metal base of metal fireplace. Mechanically
attach 'THIS UNIT HAS BEEN MODIFIED' label at bottom of
existing firebox so it will be visible if this gas fireplace insert
is removed.
• If the factory-built fireplace has no gas access hole(s)
provided, an access hole of 11/2 in. (37.5 mm) or less may be
drilled through the lower sides or bottom of the firebox in a
proper workmanship like manner. The access hole must be
plugged with non-combustible insulation after the gas supply
line has been installed.
• Run any necessary electrical wiring to insert.

5.2 Fireplace Insert Air Duct Removal

ATTENTION: All information outlined above must be completed
before continuing with this installation.
1. Remove the air duct at the top of the insert by sliding
backward out of the channel.
2. Refer to 5.6 Vent System Connection (applies to both
venting options), on page 15 for re-attachment of the air
duct.
Figure 5.1, Air Duct Removal

5.3 Combustion Air Venting Options

WARNING: The flow of combustion and ventilation air must not
be obstructed.
Follow the instructions provided in this manual for the combustion
air venting option required for installation, depending on which
option used.
Full Connection Venting:
Combustion air intake pipe is ran entire chimney length and
connected to termination cap.
Stub Venting:
Combustion air intake pipe is extended to a minimum of 4 ft. (1.22
m) past damper opening into existing chimney. It is not connected
to termination cap.
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