Setting Up The Common Vent System; Common Vent Termination Clearances - Navien NHB Series Installation & Operation Manual

9.5 Setting up the Common Vent System

DANGER
Incorrect settings may lead to severe personal injury, death, or
property damage.
Refer to the following figures when setting the common vent type.
1. Tap the Set button (
2. Set the vent type referring to the following table.
Item
Vent type
For more information on the vent type settings, refer
Note
to "11.6.4 Configuring a Cascade System" on page
103.
82 Installing a Common Vent System
) > Cascade.
Description
Set the ventilation type.
Setting range: Common/Individual
Default: Common

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
12" min.
Intake
Exhaust
Intake