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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 6".
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 burning appliance.
NOTE: Before connecting this appliance to an existing vent system
consult with your local architect, planner or building official.
WARNING: This appliance must be properly con-
nected to a system and must not be connected to a
chimney flue servicing a separate solid fuel burning
appliance.
Lowest
Listed
Discharge
Vent Cap
Opening
8 Ft. Min.
Listed
Gas
Vent
H (Min)
Height
From Roof
Roof Pitch
Flat to 6/12
6/12 to 7/12
Over 7/12 to 8/12
Over 8/12 to 9/12
Over 9/12 to 10/12
Over 10/12 to 11/12
Over 11/12 to 12/12
Over 12/12 to 14/12
Over 14/12 to 16/12
Over 16/12 to 18/12
Over 18/12 to 20/12
Over 20/12 to 21/12
Figure 11 - B-Vent Terminations
10
VENTING INSTALLATION Continued
x
12
Roof Pitch x/12
Listed Clearance
H (Min.) Feet
Meter
1.0
ax 0.30
1.25
0.38
1.5
0.46
2.0
0.61
2.5
0.76
3.25
0.99
4.0
1.22
5.0
1.52
6.0
1.83
7.0
2.13
7.5
2.27
8.0
2.44
SuperiorFireplaces.us.com
CHECKING FOR PROPER VENTING
After completing and checking electrical, gas and vent connections,
follow the lighting instructions and allow main burner to run for ap-
proximately 5 minutes. Hold a lighted match or cigarette near the top
edge of fireplace opening and play it along entire length of opening
(see Figure 12). 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 appliance is found to be improperly venting, shut it off and notify
your installer or a qualified service agency to inspect the venting
system.
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 bypass 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.
Check this area along entire
top edge of fireplace opening.
Smoke or flame should
be drawn into appliance
opening.
Figure 12 - Checking for Spillage
900806-00G
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