Recommended Piping For Circulation Systems - Rinnai V2532W Operation & Installation Manual

I N S TA L L E R ' S I N S TA L L AT I O N I N S T R U C T I O N S

RECOMMENDED PIPING FOR CIRCULATION SYSTEMS

Notes:
PLEASE NOTE FOR RESIDENTIAL
APPLICATIONS, THIS PIPING
ARRANGEMENT MAINTAINS FULL
WARRANTY :
10 Years On Heat Exchanger
5 Years On Parts
Commercial Application Warranty:
5 Years On Heat Exchanger
5 Years On Parts
Important: Install return line to the
hot supply as close as possible to
the Rinnai Water Heater.
3/4" Ball Valve
3/4" Union
Check Valve
Pressure Relief Valve
103 International Drive
Peachtree City, Georgia 30269
Rinnai America
Water Heater
Pump Should be Controlled by an
Aquastat, Timer or Combination
Aquastat and Timer. Pump to be sized
for Pressure Drop through Building
Supply and Return Piping. Pump to
be Bronze or Stainless Construction
KEY
Pressure Regulator
Circulating Pump
Boiler Drain Valve
S
Solenoid Valve
1 Rinnai Water Heater with Electric Storage Tank
Rinnai
Minimum 3/4" Cold Water Supply Line
2-5 Gallon
Electric Water
Heater
120°F
Building Return (Not required to be 3/4" 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 for
and configuration of the particular system being installed. The drawing
does not imply compliance with local building code requirements. It is
the engineer/contractor responsiblity to ensure the installation is in
accordance with all local building codes. Confer with local building
officials before installation.
RINNAI WATER HEATERS
Domestic Hot Water - Circulation Systems

Rinnai
Equipment List
(Residential and
Commercial)
QTY
Rinnai 1
Water Heaters
(Outdoor)
MC-91 Controller
1
(Included)
MC-100V and BC-100V
Controllers Optional
RIK-KIT (Optional)
1
(3/4" Fittings Include:
2 Unions, 2 Ball Valves,
2 Drain Valves and
1 Pressure Relief Valve.)
Building Supply
Building Flow
W Models