Navien NFB Series User Manual

75Installing a Common Vent System
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 ( ) simultaneously for 3 seconds, and
then select “4. Cascade Status and Settings”.
Rotate the Command dial ( ) to switch between the parameters
or to increase/decrease setting values. Press the Command dial
( ) to select “8. Vent Type Setting”.
Note
For more information on the vent type settings, refer
to “11.4.4 Configuring a Cascade System” on page
93.
9.6 Common Vent Termination Clearances
9.6.1 Direct Vent Application – Vertical
Installation
12" min.
12" min
.
36" min.
Exhaust
Intake
En
d
Ca
p
9.6.2 Venting Intake and Exhaust to Different
Locations
Exhaust
In
take
En
d
Ca
p

Navien NFB Series Specifications

General

Brand	Navien
Model	NFB Series
Category	Boiler
Language	English