External Pump With Circ-Logic - Rinnai SENSEI RU199i Manual De Instalación Y Operación

3.13 External Pump with Circ-Logic

Rinnai SENSEI™ Tankless Water Heaters include Circ-Logic technology that offers the comfort and convenience of
instant hot water with the use of an external recirculation pump. Circ-Logic controls the on/off sequence and operation
cycles of the external recirculation pump through the programming of the tankless water heater's parameter settings.
In residential settings, the external pump cable is not included with the tankless water heater and must be purchased
separately. Circ-Logic operates in either Economy or Comfort mode based on the parameter settings of the water
heater.
•
Economy Mode—Cycles the pump less often, using less energy to maintain the circulation loop temperature.
•
Comfort Mode—Cycles the pump more frequently, ensuring the loop temperature remains higher (but also uses
more energy).
140
Economy 18
Comfort 9
External Pump
Cable
52
135 130 125 120
Typical Pump OFF Intervals (Minutes)
20 22 24 28
10 11 12 14
Rinnai Set Temperature
115 110 108
32 38 40
16 19 20
Rinnai Tankless Water Heater Installation and Operation Manual
106 104 102 100
44 48 52 56
22 24 26 28
External Pump
98
62
31