Installation; Prepare Existing Fireplace; Fireplace Air Duct Removal; Combustion Air Venting Options - kozy heat CSK-25 Installation And Operation Manual

5.0

INSTALLATION

5.1

Prepare Existing Fireplace

Any removed parts must be capable of reinstallation if this insert is ever removed. Removal of rivets or screws is acceptable.
Trim panels or surrounds must not seal ventilation openings in existing fireplace that this appliance is installed in.

The refractory, glass doors, screen rails, screen mesh, and log grates may be removed from existing fireplace before installing
this gas fireplace insert.

Any smoke shelves, shields, and baffles may be removed if attached by mechanical fasteners. If necessary, remove firebrick
to obtain at least the minimum opening requirements.

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, except the metal floor.
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.

Run any necessary electrical wiring to insert. Refer to 7.0, Wiring Schematics, on page 15.
5.2

Fireplace Air Duct Removal

All steps as outlined in 5.1, Prepare Existing Fireplace, must be completed before continuing with this installation.
1. Remove air duct at top of insert, sliding backwards out of channel.

Refer to 5.6, Vent System Connection, for re-attachment of the air duct.
5.3

Combustion Air Venting Options

Full Connection Venting:

Combustion air intake pipe is ran entire chimney length and
connected to termination cap.
Follow the instructions provided in this manual to the vent option required for installation, depending on which option used.
ATTENTION
CAUTION
ATTENTION
Stub Venting:

Combustion air intake pipe is extended a minimum of 4 ft.
(1.22 m) past damper opening into existing chimney. It is not
connected to termination cap.
10
Figure 5.1, Air Duct Removal