P. Air Shutter Setting

Air shutter setting should be adjusted by a qualified 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.

Close Open

Figure 14.14 Adjusting Air Shutter

Heatilator • Novus NDV Series • 4055-187 Rev F • 06/08

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Hearth and Home Technologies NDV4236IL, NDV3630, NDV3933L, NDV4842IL Air Shutter Setting, Adjusting Air Shutter