Rinnai SENSEI RU199i Manual De Instalación Y Operación página 40

3
Common Vent
Common venting allows multiple Rinnai Tankless Water Heaters to
share the same vent system.
When operating multiple water heaters in a common venting
system, it is recommended to use Rinnai's EZConnect™ cable
(purchased separately) which electronically connects two water
heaters so they function as one hot water source.
Do not common vent this water heater with any other water
heater or appliance.
Common Vent Maximum Equivalent Vent Lengths
Common vent equivalent lengths include polypropylene pipe (PP) or PVC in a back-to-back or inline configuration.
For the table below:
•
Header is the main vent pipe into which several vents connect.
•
Vent Length is the distance from the end of the header to the
vent termination.
•
Maximum vent length starts at the end of the header system.
Water Heater
RU199i (REU-N3237FF-US)
RU180i (REU-N2934FF-US)
RU160i (REU-N2530FF-US)
RU130i (REU-N2024FF-US)
40
(Indoor Units Only. Direct Vent and Non-Direct/Room Air Vent)
Common Vent Maximum Vent Length
# Water
Model Heaters
Max System
Btu/hr
398,000
2
360,000 (20 m)
320,000
2
260,000
Rinnai Tankless Water Heater Installation and Operation Manual
Sample Inline, Freestanding Configuration
Header Vent Length
Vent Diameter
3 in. 4 in.
65 ft 150 ft
(46 m)
90 ft 150 ft
6 in.
150 ft
(46 m)
150 ft