Rinnai ThermaCirc360 RUR199i Installation And Operation Manual page 64

ThermaCirc360™ Recirculation (Dedicated Mode)
Plug /Filter Assembly
ThermaCirc360 water heaters are factory set for dedicated recircu-
lation. A threaded cap and Bypass Plug assembly are installed in the
hot water outlet at the base of the water heater. For dedicated re-
circulation it is NOT necessary to remove this plug.
Parameter Settings
Refer to the parameter setting section of this manual for instructions on how to access and change parameter settings.
SETTING SETTING
# DESCRIPTION
Recirculation
04
Settings
Recirculation
05
Modes
04
Recirculation Settings
Dedicated Mode: Adjust parameter setting to 04b for dedicated recirculation applications. maximum
recirculation loop length of 400 ft (122m) with 3/4 in. pipe or 100 ft (30m) with 1/2 in. pipe.
(Maximum pipe length includes the hot water supply line
Pipe Diameter
Total
05
Recirculation Modes
Comfort (Factory Default): Adjust parameter setting to 05A for comfort mode. This mode cycles the pump more
frequently, ensuring the loop temperature remains higher (but also uses more energy).
Economy: Adjust parameter setting to 05b for Economy mode. This mode cycles the pump less often, using less
energy to maintain the circulation loop temperature.
64
A
No
Recirculation
Comfort
Maximum Pipe Length
and dedicated return line. )
3/4 in.
400 ft (122 m)
SELECTION
Recirculation
Dedicated Mode
Economy
(*Take equivalent elbow lengths
into consideration when calcu-
1/2 in. lating pipe length.)
100 ft (30 m)
Rinnai Tankless Water Heater Installation and Operation Manual
c
Crossover Mode
Long Loop Short Loop