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7
107050
OWNER’S MANUAL
CHECKING FOR PROPER
VENTING
After completing and checking the electrical,
gas and vent connections, follow the lighting
instructions and allow the main burner to run
for approximately 5 minutes. Hold a lighted
match or cigarette near the top edge of the
window frame and play it along the entire
length of the window (see Figure 11). Proper
venting should tend to draw the flame or
smoke into the appliance. Improper venting
or escaping of spillage of burned gas, is
indicated when the match flickers or goes
out. Smoke from a cigarette will also tend to
disperse away from the appliance.
If the appliance is found to be improperly
venting, shut it off and notify your installer
or a qualified service agency to inspect the
venting system.
WARNING: This appliance
must be properly connected to a
B-Vent system and must not be
connected to a chimney flue ser-
vicing a separate solid fuel burn-
ing appliance.
NOTICE: This appliance is
equipped with a vent safety
shutoff switch which will shut
down the appliance in the case of
a venting problem. Do not by-
pass the vent safety switch. If the
appliance should shut down, con-
tact a qualified installer, service
agency, or your gas supplier to
have the vent inspected before
operating.
Vent terminations must be located in accor-
dance with height and proximity rules of
NFPA No. 54 or CAN/CGA B149. These
rules apply to vents at 12 in. diameter or less
and require a minimum height in accor-
dance with the roof pitch and a minimum of
8 ft. distance from a vertical wall or obstruc-
tion (see Figure 10).
VENTING
INSTALLATION
Continued
If venting horizontally through a side wall
becomes necessary, a listed thimble ap-
proved for use with B-type vent must be
used. Check with your local codes before
venting through a side wall.
Some codes areas allow the use of existing
B-type vent systems if the system is at or
above the recommended diameter of the
flue; in this case 5".
The flue connection must be made using
listed B-type connectors and the existing
system must be code inspected for damage
and proper installation.
It is not recommended that this appliance be
common vented with an existing gas burn-
ing appliance. However, if it becomes nec-
essary to common vent this appliance, the
venting system must be sized and config-
ured in accordance with the common vent-
ing guides Appendix G of the current Na-
tional Fuel Gas Code NFPA No. 54/ANS
Z223.1 and in Canada with CAN/CGA B149.
Note:
Before connecting this appliance to
an existing vent system or a common vent-
ing system consult with your local architect,
planner, or building official.
Lowest
Discharge
Opening
Listed
Vent Cap
8 Ft. Min.
Roof Pitch x/12
Listed Clearance
12
x
Listed Gas
Vent
H (Min)
Height
From Roof
H (Min.)
Roof Pitch Ft. m
Flat to 6/12 1.0 0.30
6/12 to 7/12 1.25 0.38
Over 7/12 to 8/12 1.5 0.46
Over 8/12 to 9/12 2.0 0.61
Over 9/12 to 10/12 2.5 0.76
Over 10/12 to 11/12 3.25 0.99
Over 11/12 to 12/12 4.0 1.22
Over 12/12 to 14/12 5.0 1.52
Over 14/12 to 16/12 6.0 1.83
Over 16/12 to 18/12 7.0 2.13
Over 18/12 to 20/12 7.5 2.27
Over 20/12 to 21/12 8.0 2.44
Figure 10 - B-Vent Terminations
Check this area along the entire top edge
of the glass frame. Smoke or flame should
be drawn into the appliance opening.
Figure 11 - Checking for Spillage