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4.7 LIGHTING CHECKLIST
Be sure to check these items before final operation of the Fireplace.
☐ All items on "Installation Checklist" must be completed.
☐ Carefully follow all lighting and log installation instructions. Make certain that pilot flame lights immediately and lights both
front and rear burners.
☐ Gas leaks and gas pressures prior to installing facing materials is checked.
Fresh batteries are in remote control. Follow "First-Time Lighting Instructions" to synchronize the remote control and
☐
the ignition module.
Air shutter opening 0" to ⅛" natural gas or ¼" to ½" LP gas is checked.
☐
All lighting and log installation instructions were followed.
☐
Burners light immediately, and flame runs promptly around rear burner and lights entire burner.
☐
Note: Do not proceed with operation unless burner cycles "on/off" without delays.
☐
Flame is "stable" and does not "lift" off burner. If flame lifts off burner, turn unit off and check that all vent pipes are
"twist locked" and leak proof, the vent cap is "right side up". Do not proceed with operation if flame is "lifting off"
burner.
☐ DO NOT proceed with operation unless burner cycles "on/off" without delays and the flame is "stable" and not "lifting" off
burner after 5 minutes of initial ignition.
Caution: If ignition system goes into lockout mode, be sure to wait a minimum of five minutes before re-
lighting.
4.8 AIR SHUTTER CONTROL AND FLAME APPEARANCE
During initial installation, the air shutter opening should be checked
to be certain that the shutter is set correctly at 1/8" open for natural
gas and 1/2" minimum open for L.P. gas. NOTE: For altitudes above
5,000', some variations may be required.
Be sure burner and logs are properly installed. After log set has been
properly installed, adjustments to the air shutter shall be made for
final flame appearance. These small shutter adjustments can be
made by the following procedure:
NOTE: All adjustments to the air shutter setting must be
made by a qualified installer, service agency, or the gas
supplier. Very small changes in shutter settings make
major changes in flame appearance.
The rear burner air shutter adjustment cable is located on the right side of the courtesy panel. To open or close the air shutter
insert the glass latch tool tip in the ring terminal's ring hole. Push the cable to close the air shutter or pull on the cable to open
the air shutter.
1. If flame is too blue, close air shutter in small 1/8" increments until flame turns desired realistic yellow. Use glass latch
tool to hook end and slide control.
2. If flame is causing soot on viewing glass, open air shutter fully until sooting stops. Continue burning unit with air
shutter fully open for four to six hours until all internal deposited soot has burned off.
3. Once deposited soot has disappeared, close air shutter in increments of 1/8".
LPG Air shutter settings hint: A properly adjusted air shutter setting will yield burner flames that have an
approximate 2" high blue color base. If yellow colored flames are starting at burner level, air shutter is
closed too far and will create soot. If you observe that the flame is yellow starting very close to or at the
burner surface level, open air shutter. Also, if a log or part of a log is suspended and hanging inside a yellow
portion of the flame, soot can form easily on the part of the log that is inside the yellow flame area.
IMPORTANT: Try each new shutter setting approx. ½ hr. before making additional changes. NOTE: Changes
in front burner flame can be made by re-arranging the coals and front burner air shutter opening.
85-03-01113
Figure 4-21 Burner Air Shutter Controls
DXV35DT4
Page 64
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