Installation Manual

Rinnai I-Series Condensing Boiler Solo Manual 111
Legend:
Refer to the legend below for the system applicaons shown in this secon.
IMPORTANT
Primary/secondary piping is necessary in the following applicaons:
• When using external pumps
• Large zoned systems
• High ow applicaons
• Systems with high dierenal pressures
• Systems with high pressure drops
For pressure curve informaon, refer to the following secon in the Appendix: “14.7 CH
Pressure Drop and Flow Curve”
This picture illustrates a suggested
arrangement. Some of the ngs
are oponal.
Radiator with
Thermostatic
Heads