12
Outdoor Lifestyles by Hearth & Home Technologies, Inc. • TWILIGHT-II-MOD • 2290-900 Rev. C • 7/12
Initial Break-in Procedure
• The fi replace should be run three to four hours continu-
ously on high.
• Turn the fi replace off and allow it to completely cool.
• Remove fi xed glass assembly. See Section 11.F.
• Clean fi xed glass assembly. See Section 3.
• Replace the fi xed glass assembly and run continuously
on high an additional 12 hours.
This cures the materials used to manufacture the fi re-
place.
NOTICE! Open windows for air circulation during fi re-
place break-in.
• Some people may be sensitive to smoke and odors.
• Smoke detectors may activate.
J. After Fireplace is Lit
K. Frequently Asked Questions
ISSUE
SOLUTIONS
Condensation on the glass
This is a result of gas combustion and temperature variations. As the fi replace warms, this
condensation will disappear.
Blue fl ames
This is a result of normal operation and the fl ames will begin to yellow as the fi replace is al-
lowed to burn for 20 to 40 minutes.
Odor from fi replace
When fi rst operated, this fi replace may release an odor for the fi rst several hours. This is
caused by the curing of materials from manufacturing. Odor may also be released from fi nish-
ing materials and adhesives used near the fi replace. These circumstances may require ad-
ditional curing related to the installation environment.
Film on the glass
This is a normal result of the curing process of the paint. Glass should be cleaned within 3 to
4 hours of initial burning. A non-abrasive cleaner such as gas appliance glass cleaner may be
necessary. See your dealer.
Metallic noise
Noise is caused by metal expanding and contracting as it heats up and cools down, similar to
the sound produced by a furnace or heating duct. This noise does not affect the operation or
longevity of the fi replace.
Glass Rock Media Kit
There may be some “cracking” noise coming from the fi replace during the fi rst few heating
and cooling cycles. This noise is associated with settling rock and some minor cracking of
larger pieces of rock. This will lessen over time as the glass rock is conditioned to the heat-
ing and cooling temperature changes.
It is expected that a few small pieces (approximately 10 pieces) of rock may fall through the
base pan and come to rest on the fi replace bottom. This has no affect on fi replace perfor-
mance.
Glass Rock Media Color Change
It is normal for the glass rock media to change color slightly over the lifetime of the
appliance.
Is it normal to see the pilot fl ame burn
continually?
In an intermittent pilot ignition system (IPI), the pilot fl ame should turn off when appliance is
turned off. Some optional control systems available with IPI models may allow pilot fl ame to
remain lit.
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
6 in.
18 in.
24 in.
30 in.
36 in.
48 in.
TO CEILING
42 in.
12 in.
200°F
APPLIANCE FRONT
FIREPLACE
OPENING
180°F
160°F
150°F
140°F
130°F
120°F
Figure 2.3. Maximum Interior Wall Surface Temperatures Above
Appliance
