#NCK-SL42-D
R.1
3
HUSSONG MFG. CO., INC.
KOZY HEAT FIREPLACES
EN
Conversion Kit Components
(1) Gas Conversion Label
(1) 50% Turndown Stepper Motor*
(1) Gas Label
(1) Pilot Injector - Natural Gas: #.023NG
(3) Burner Orifices NG: #37 CENTER #54 SIDES
*Not included in the appliance parts package. Contact your local dealer for more
information.
High Altitude Conversions
For high altitude installations in the United States, refer to the
American Gas Association guidelines for the gas designed appliances
derating method. For elevations above 2,000’ (610m), input ratings are
to be reduced by 4% for each 1,000’ (305m) above sea level.
When the appliance is installed at elevations above 4,500’ (1,372m),
the certified high altitude rating shall be reduced at the rate of 4% for
each additional 1,000’ (305m). Refer also to CSA-B149.1 Natural Gas
and Propane Installation Code, local authorities, or codes which have
jurisdiction in your area regarding the derate guidelines.
CAUTION: The gas supply shall be shut off prior to disconnecting the
electrical power, before proceeding with the conversion.
A. Prepare the Fireplace
Step 1: Remove the safety barrier and glass frame assembly.
Step 2: Remove glass media and media dam.
Step 3: Remove burner media tray.
Step 4: Remove the side burner tube from mounting cradles.
Refer to the installation manual for more information.
B. Replace Burner Orifice
Step 1: Remove the existing burner orifice. See
FIGURE 1.
Step 2: Replace with the orifice cap included with this kit. Tighten cap
securely. The size are stamped on the orifices.
Table 1, Burner Orifice Size at Elevations 0-4,500’ (1,372m)
Fuel
Center
Sides
Natural Gas
#37 (DMS)
#54 (DMS)
C. Convert Pilot Assembly
Step 1: Using a
7/16
” wrench, loosen the upper pilot hood fitting by
turning counter-clockwise. See
FIGURE 2
.
Step 2: Remove the upper pilot hood fitting by pulling it up from the
top. Remove pilot orifice.
Step 3: Install new pilot orifice included with the kit (number stamped
on pilot orifices).
Step 4: Reattach pilot nut and tighten using a
7/16
” wrench. Fitting
should be snug. DO NOT OVER-TIGHTEN!
Upper pilot hood fitting
Pilot orifice
Burner orifice
FIGURE 1,
Burner Orifice
FIGURE 2,
Converted Pilot and Pilot Injectors
Summary of Contents for NCK-SL42-D
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