I Series Solo Installation Manual

36
Rinnai I-Series Condensing Boiler Solo Manual
Twin Pipe Vercal Terminaon
of Mulple Boilers
12 in. (0.30 m) minimum
12 in. (0.30 m)
minimum
above
combuson
air opening
Roof
12 in. (0.30 m) above
grade or ancipated
snow level
12 in. (0.30 m)
minimum
Combuson
Air
Exhaust
Vent Sizes:
 2 in. PVC
 2 in. (60 mm) PP
 3 in. PVC
 3 in. (80 mm) PP
Vent Lengths: 65  (20 m) 150  (46 m)
 45° elbow is equivalent to 3  (1 m)
 90° elbow is equivalent to 6  (2 m)
ACCEPTABLE ACCEPTABLE NOT ACCEPTABLE
90° Elbows,
Long Sweep
90° Elbows,
Short Sweep
90° Elbows,
Close Turn
Vent length includes the addional venng, ngs
and terminaons.
Tee Sidewall
12”
4”
Combuson Air
Intake
Exhaust
8”
Horizontal Vent and
Combuson Air Piping
Intake vent installaon not
permied in shaded area.
60 in.
9 in.
8 in.
Ground
12”
36 in. minimum
clearance from intake
to grade, ground, or
ancipated snow level.
X
X
X
X
X X
V
X
X
V = Exhaust Vent
X = Air Inlet
60 in.