Installation Manual

98 Rinnai M-Series Condensing Boiler Solo Manual
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ons in the Appendix.
• 14.8 CH Pressure Drop and Flow Curve
• 14.9 DHW Pressure Drop and Flow Curve
This picture illustrates a suggested
arrangement. Some of the ngs
are oponal.