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Heres where to check for obstructions:
1. At vent termination.
2. At front grilles.
Figure 5. Vent Termination and Front Grilles
Step 6 Purging air
from the gas supply
lines
If the gas valve has been in the OFF position, a small
amount of air will be in the gas supply lines. When first
lighting your fireplace, it will take a few minutes for the
lines to purge themselves of this air. Once the purging
is complete, your fireplace will light and will operate
normally.
Subsequent lightings of your fireplace will not require
this purging of air from the gas supply lines,
unless
the gas valve has been turned to the OFF position
,
in which case the air would have to be purged from
the gas supply lines.
Before lighting your fireplace, double-check your unit
for possible obstructions that could be blocking the
vent termination or the front grilles of your fireplace.
Before lighting the fireplace, double-check that
furniture and other combustible household objects are
NOT located within 36 inches of the fireplace front.
Step 4 Checking for
obstructions blocking
vent termination or
front grilles
!
H1
V
H
DIRECT VENT
TERMINATION
FRONT GRILLES
B-TYPE
VENT
TERMINATION
Step 5 Checking
surrounding house-
hold objects and
building materials
The building materials placed within 18 inches of the
TOP and FRONT of the fireplace (such as walls and
mantels) must be able to withstand temperatures of
117
0
F plus room temperature.
!
WARNING: Odors and damage to sur-
rounding building materials may become
noticeable if installation materials are not suit-
able for temperatures immediately surround-
ing the fireplace.
WARNING: Children and adults should be
alerted to the hazards of high surface
temperature and should stay away to avoid
burns or clothing ignition. Young children
should be carefully supervised when they are
in the same room as the appliance.