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QUALIFIED
INSTALLER
A few points must be considered before inserting
the RF24 into an existing fi replace cavity. Generally,
modifi cations to the existing fi replace that will compro-
mise its integrity are NOT allowed. Components that
are bolted or screwed on such as dampers or baffl es
may be removed to accommodate the installation of
the RF24 engine. Cutting away any sheet metal
parts of the existing fi replace to accommodate the
installation of the RF24 is prohibited. Check with
local authorities if in doubt.
Clean Fireplace and Chimney
Have the chimney swept and the fi replace cavity
including ash dumps and clean-outs cleaned before
installing the RF24 heater and vent liners. Any creo-
sote or soot residue remaining in the fi replace cavity,
chimney, or clean-out may cause odors or stains once
the RF24 insert is installed. Consult with chimney
sweep for information on how best to clean.
Existing Dampers
Factory-built, zero-clearance fi replaces will require the
damper to be removed in order to install the vent liners.
These dampers are usually bolted into place. Dampers
in masonry fi replaces must be fi xed open and may
remain in place.
Ash Retaining Curbs
Some fi replaces (particularly factory-built) have a
raised curb at the front edge to retain ashes. Check the
dimensions carefully to ensure the RF24 engine will fi t
behind any raised curb (some curbs may be removed
separately from the refractory base). The fret retainers
allow for some vertical adjustment of the cast iron fret
should the fret need to sit on top of the curb, otherwise
the fret will need to be eliminated or adequate room
provided behind the curb.
22
Existing Fireplace Preparation
Gas Line Routing
Plan the routing of the gas line before proceeding.
Utilize the existing hole for the gas line. If the factory-
built fi replace has no access hole, carefully drill an
access hole of 1.5 inch (38 mm) or less through the
lower sides or bottom of the fi rebox. The access hole
must be plugged with non-combustible insulation after
the gas supply line has been installed. See General
Dimension drawing for detailed location of gas inlet.
Also, take into consideration whether or not a fan or
shut-off valve will interfere when planning routing of the
gas line.
Existing Glass Doors and Wire Screens
Existing glass doors must be permanently removed
prior to installing the RF24 insert. Existing wire fi re
screens may remain in place or new ones may be
added. The RF24 has been tested and approved to
operate with wire fi re screens in the closed or open
positions.
Combustible Mantels
Combustible mantel clearances must conform to those
required for the original solid-fuel fi replace into which
the RF24 is being installed.
Paint Existing Refractory Liners
It may be desirable, for visual reasons, to paint the
existing refractory liners in black to blend in with the
RF24 insert once installed.
Attach Warning Label to Existing Fireplace
(label supplied loose with RF24 heater)
Attach the "This fi replace has been converted..."
label to the existing fi replace using screws or other
mechanical means and store any removed parts in
back of the existing fi replace for future use.
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