Hearth and Home Technologies IDV4833ILH - Manual (Page 50)

Heatilator • ICON DV-IDV Series • 4042-575 • Rev K • 11/08 50
M. Air Shutter Setting
Air shutter settings should be adjusted by a qualifi ed
installer at the time of installation. The air shutter is set at
the factory for minimum vertical vent run. Adjust air shut-
ter for longer vertical runs. See Figure 12.24.
• Pull the air shutter knob up to close.
• Push the air shutter knob down to open.
NOTICE: If sooting occurs, provide more air by opening
the air shutter.
Open
Closed
Figure 12.24 Air Shutter Adjustment