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Heatilator • Novus NDV Series • 4055-187 Rev F • 06/08 59
P. Air Shutter Setting
Air shutter setting should be adjusted by a qualifi ed in-
staller at the time of installation.
• The air shutter is set at the factory for minimum vertical
vent run.
• Adjust air shutter for longer vertical runs. See
Figure 14.14.
• Turn the thumbscrew to open and close.
OpenClose
Figure 14.14 Adjusting Air Shutter