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Vertical Termination - (continued)
One Elbow
Note: If the vertical component of the vent configuration is 10
feet or greater, the baffle may need to be adjusted as noted
in this section. The air shutter may also need adjustment.
See Section 9.E.
V1 Maximum = 40 ft (12.2 m)
V
1
Figure 4.13 Vertical Venting With One Elbow
VERTICAL DIMENSION
30 ft. or more
Note: The ION-H7 will have two adjustment screws and
a fixed center baffle opening.
Figure 4.14 Baffle Settings
24
V7(NG/LP)
10-20 ft.
1-1/4 in.
21-30 ft.
1-1/8 in.
1 in.
Z
Heatilator • ION-V7, ION-S7, ION-H7 Installation Manual • 2276-980 Rev. E • 5/15
Vent Configurations with Vertical
Components in Excess of 10 Feet
The ION model is shipped with an adjustable baffle shipped
in the full open position. See Figure 4.15. The baffle may
need to be adjusted if the vertical component of the vent
configuration is 10 feet or greater. See the chart in Figure
4.14 to determine the correct setting for the application be-
ing installed. Closing the air shutter and baffle will improve
the flame height if the vent configuration involves a signifi-
cant amount of vertical venting. If the baffle is closed too
far, pilot starvation and/or sooting may occur. Ensure the
baffle screw(s) is/are secure once the adjustment is made.
ADJUSTABLE BAFFLE OPENINGS
Figure 4.15 Adjustable Baffle Location
BAFFLE SETTING
Z Dimension (Below)
S7 (NG/LP)
2-1/4 in.
2-1/8 in.
2 in.
ADJUSTMENT SCREW(S)
BAFFLE
OPENINGS
H7 (NG)
H7 (LP)
2-1/4 in.
1-3/4 in.
2-1/8 in.
1-5/8 in.
2 in.
1-1/2 in.
Z
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