3
1. About the NaviCirc 5
1.1 Included Items 5
1.2 Specications
6
1.3 Compatible Products & Pump Requirements
7
1.4 Conguration
8
1.5 Supply Connections
9
1.6 Installing the NaviCirc
10
1.6.1 Installing the NaviCirc 11
1.6.2 Leak Check & Air Purge
12
1.7 Securing the NaviCirc to the Wall 13
2. Application System 14
2.1 NPE-A System 14
2.1.1 Application Guidelines 14
2.1.2 NPE-A System Diagram
18
2.2 NPE-A2/S2 System 22
2.2.1 Setting External Recirculation Mode 22
2.2.2 External Pump Wire Connection
26
2.2.3 Navien HotButton Kit (Optional)
32
2.2.4 System Application – External Recirculation
37
Contents