Rinnai Circ-Logic Installation And Operation Manual page 2

1. About ......................................................................................................................................... 3
1.1 How This Manual is Organized........................................................................................... 3
1.2 Disclaimers ......................................................................................................................... 3
1.3 Kit Contents ........................................................................................................................ 4
1.4 Pipe Length......................................................................................................................... 4
1.5 Installation Guidelines for All Models ................................................................................. 4
2. SENSEI™ Installation .............................................................................................................. 6
2.1 Wiring the Pump to the Water Heater ............................................................................... 6
2.2 Parameter Settings ............................................................................................................ 7
3. Non-SENSEI™ Installation ...................................................................................................... 8
3.1 Wiring the Pump to the Water Heater ............................................................................... 8
4. Operating the Pump ............................................................................................................... 11
4.1 How It Works.................................................................................................................... 11
4.2 Troubleshooting ............................................................................................................... 11
5. Appendix—System Drawings ............................................................................................... 12
5.1 SENSEI™ and Non-SENSEI™ Recirculation Using One Tankless Water Heater ......... 12
5.2 SENSEI™ Recirculation Using Two Tankless Water Heaters ........................................ 13
5.3 Non-SENSEI™ Recirculation Using Two Tankless Water Heaters ................................ 14
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Rinnai Circ-Logic with Grundfos GTK03 Kit 2