Rinnai ThermaCirc360 RUR199i Installation And Operation Manual page 28

1
Direct Vent
Concentric Pipe Installation Instructions
Remove and discard screw from
1
concentric flue connection.
Remove exhaust adapter ring (discard for
2
concentric venting configurations).
Install the concentric vent. Ensure it
3
is properly seated.
Secure the vent pipe to the concentric flue
4
connection with the supplied screw.
Important: Install the venting termination according to the diagrams and instructions in
this manual. Slope the venting 1/4 in. per foot toward the appliance according to the vent
manufacturer's installation instructions. Dispose of condensate per local codes.
28
(Concentric Pipe)
Concentric
Vent
Mount Concentric Pipe Through Wall
If venting through an exterior wall, align the wall mounting
bracket template (located in literature bag) to the wall and
follow the instructions on the template for appropriate
vent hole location. Use a level to make sure the wall
mounting bracket is even and level.
Wall Mounting
Bracket Template
Level
Wall Mounting
Bracket
Concentric Pipe Example Vent Applications
Horizontal Wall Terminations
2 in. x 4 in.
3 in. x 5 in.
Concentric Pipe Maximum Vent Length
Concentric Vent Maximum Equivalent Length
Vent Sizes
Vent Lengths
•
45° elbow is equivalent to 3 ft (1 m)
•
90° elbow is equivalent to 6 ft (2 m)
Rinnai Tankless Water Heater Installation and Operation Manual
SAMPLE
Illustrative Purposes Only
Vertical Roof
Terminations
2 in. x 4 in.
3 in. x 5 in.
2 in. X 4 in. 3 in. X 5 in.
65 ft (20 m) 150 ft (46 m)
and