Rinnai REU - 16 FUA - E - Manual (Page 28)

28
INSTALLATION INSTRUCTIONS - SCHEMATICS
Manifolded Infinity x 2 With Pumped Secondary.
Pump
Gas
Valve
Non-
Return
Valve Pressure
Reducing
Valve
Strainer Safety
Valve Expansion
Vessel
Flow
Modulation
Valve
This information is intended as a guide only, it does not imply
compliance with water or gas installation regulations.
Components will vary depending on the actual installation.
Check local regulations before installation.
Circulation system used in commercial
situations where the heaters are not close to
the outlets. Ensures hot water is available at
the outlets quickly, without a lot of wastage.
Mains is fed to the unit via a header pipe that
branches off to each heater. The secondary
return is Tee’ed in to the heater’s supply. A
complete unvented kit is required as it is a
closed system.
PAM valves included to decrease flow rate
needed from pump.
Temperature is set on the dip switches for the
required circulation. 60°C for most
applications.
Draining
Point
Cold Water
Hot Water
Return Water
Single Infinity Direct Flow
This information is intended as a guide only, it does not imply
compliance with water or gas installation regulations.
Components will vary depending on the actual installation.
Check local regulations before installation.
Direct feed to the hot water outlets.
Mains is fed directly into the unit.
Standard domestic or small commercial set up.
Used with controllers to alter the temperature at the point of use
(only using hot tap) or temperature set on the dip switches for the
maximum needed at any outlet, and mixed down by TMVs or
manual tempering valves.
Draining Point