Setting Up The Common Vent System; Common Vent Termination Clearances - Navien NHB-055 Installation & Operation Manual

9.5 Setting Up the Common Vent System

DANGER
Incorrect DIP switch settings may lead to severe personal
injury, death, or property damage.
Refer to the following figures when setting DIP switches.
ON
1 2 3 4
Switch
Function
(2–Switch DIP)
1 Cascade Vent Settings
66 Installing a Common Vent System
ON
5 6 7 8 9 10
Setting
Common Vent
Individual Vent 1-ON

9.6 Common Vent Termination Clearances

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