Rinnai Control-R - Contents; Installation Tips

Recirculaon with On-Demand Accessories User Guide
2
This manual provides detailed informaon on Rinnai’s on-demand
recirculaon accessories; it is designed for eld installers and is a
supplement to the Control-R™ Wi-Fi Module Installaon Manual
(supplied inside module package).
1 What is Recirculaon? ..................................... 3
Recirculaon Components ........................................ 3
Tankless Water Heaters with Circ-Logic .................... 4
How On-Demand Recirculaon Works .................... 5
Recirculaon with a Dedicated Return Line ............. 8
Recirculaon with a Crossover Valve ................... 11
2 Let’s Get Started ........................................... 12
Step 1: Install Module .......................................... 12
Step 2: Connect Module to Water Heater and
Congure Sengs ...................................... 12
Step 2A: SENSEI™ Models .................. 13
Step 2B: Non-SENSEI™ Models ........... 23
Step 3: Tesng Accessories with Circ-Logic ............. 31
3 Installaon Tips ............................................ 32
4 Frequently Asked Quesons ......................... 33
Appendix A: Install the Module on a Wall ........... 36
Appendix B: Addional Parameter Sengs ......... 38