Navien NaviCirc - Page 24

24
Note
If the A2-type model requires an external pump,
follow the instructions in “2.2.2 External Pump Wire
Connection” on page 26 rst and select YES on
the screen asking whether the external pump is
connected to the PCB.
Model Step 1 Step 2 Step 3
A2-type Ext.Recirc
Use Ext.Pump
Yes/No
Always On
Intelligent
Weekly
HotButton
S2-type Ext.Recirc
Always On N/A
Intelligent N/A
Weekly Schedule Set
HotButton N/A