Rinnai RUR98i Manuel D'installation Et D'utilisation page 43

Piping Diagram for Dedicated Return Installation
Dedicated Mode Plumbing Diagram
Hot Water Supply Line
Hot Water Fixtures
The condensate drain pipe (along its entire length) must be at least the same diameter as the drain line, (1/2
inch NPT). Refer to the Condensate section in the venting instructions section of this manual.
3/4"" Ball Valve
Flow Check Valve
Drain Valve
Pressure Relief Valve
KBP Series Manual
Maximum Pipe Length*
(Hot Water Supply and Dedicated Return Lines)
Pipe Diameter
Total
(*Take equivalent elbow lengths into
consideration when calculating pipe
length.)
Gas Supply
Dedicated Return Line
This is not an engineered drawing. It is intended only as a guide and not as
a replacement for professionally engineered project drawings. This drawing
is not intended to describe a complete system. It is up to the contractor/
engineer to determine the necessary components and configuration of the
particular system being installed. This drawing does not imply compliance
with local building code requirements. It is the responsibility of the
contractor/engineer to ensure installation is in accordance with all local
building codes. Confer with local building officials before installation.
3/4"
400ft 100ft
Cold Water Supply Line
Thermal expansion tank
1/2"
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