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Rinnai Commercial Hybrid System Installation and Operation Manual
17
Three types of venting options are available:
Concentric Pipe
Combustion air and exhaust vent directly through
a single concentric connection. Hot exhaust exits
through the interior tube, while combustion air
Exhaust
Exhaust
Combustion
air
Combustion
air
Combustion
air
Combustion
air
Exhaust
Direct Vent
Non
-
Direct (Room Air)
Vent
Multiple water heaters sharing a combustion air
header and a separate exhaust header that vents di-
rectly through separate penetrations to the outside.
Combustion Air
Exhaust
Exhaust
Room Air
For Combustion
Twin Pipe
Combustion air and exhaust vent directly
Room air is used for combustion while exhaust
vents to the outside.
Multiple water heaters using room air for
combustion while sharing an exhaust header that
vents directly to the outside.
Direct Vent
(Concentric Pipe and Twin Pipe)
1
Non
-
Direct Vent
(Room Air)
2
Common Vent
(Indoor Units Only. Direct Vent and Non
-
Direct/Room Air Vent)
3
Select a Vent Type
Содержание Demand Duo
Страница 51: ...Rinnai Commercial Hybrid System Installation and Operation Manual 51 Notes ...
Страница 52: ...100000571 00 4 2018 ...