Setting Up The Common Vent System; Common Vent Termination Clearances - Navien NFC-175 Installation & Operation Manual

9.5 Setting Up the Common Vent System

Refer to the following figures when setting the common vent type.
To view and configure the cascade settings, press the Back button
( ) and the Menu button (
then select "4. Cascade Status and Set".
Rotate the Command dial (
or to increase/decrease setting values. Press the Command dial
( ) to select "7. Vent Type Setting".
For more information on the vent type settings, refer
Note
to "11.4.4 Configuring a Cascade System" on page
97.
78 Installing a Common Vent System
) simultaneously for 3 seconds, and
) to switch between the parameters

9.6 Common Vent Termination Clearances

9.6.1 Direct Vent Application – Vertical
Installation
12" min.
End
Cap
9.6.2 Venting Intake and Exhaust to Different
Locations
End
Cap
36" min.
Exhaust
Intake
12" min.
Exhaust
Intake