Viessmann VITODENS 100-W Technical Data Manual page 26

Appendix (continued)
CPVC or Stainless Steel Vent System
3
Vent System
Room Air Independent Operation
(Sealed Combustion Operation)
B
b
a
3a
Stainless steel vent material must be ULC/UL listed, stainless steel AL29-4C® for Category IV boilers.
Suggested sources: Flex-L International Inc., Flexmaster Canada Ltd. / Z-Flex (US) Inc., Heat-fab Division Selkirk Corp., or ProTech Systems Inc.
3b
CPVC vent material must be ULC/UL listed, for Category IV boilers. Suggested source: IPEX Inc.
4
Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer's installation instructions.
5
Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel.
A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length.
"
Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).
"
26
I M P O R T A N T :
Do not use any DWV plumbing
pipes to vent this boiler.
Maximum
Equivalent Length
A A
A
Combustion Air Intake
B
Flue Gas Outlet
Vent System Diameter
1 Boiler Vent Adaptor
(included with boiler)
2 Double-Pipe Adaptor
60/100 > 80/80
3 Adaptor(s), stainless steel
80mm > 3" (order 2 pcs)
3" > 4" (order 2 pcs)
(not shown)
or
3 Adaptor(s), CPVC
80mm > 3" (order 2 pcs)
3" > 4" (order 2 pcs)
(not shown)
4
4 Venting Support
5 Combustion Air Supply Pipe
Allowable materials: see note below
6 ULC/UL listed
Stainless Steel Vent Material
45° Elbow EqL=2ft / 0.6m
90° Elbow EqL=3ft / 0.9m
or
6 ULC/UL listed
3b
CPVC Vent Material
45° Elbow EqL=3ft / 0.9m
90° Elbow EqL=5ft / 1.5m
7 Bird Screen c/w Termination
for stainless steel
or
7 Bird Screen
for CPVC (order 2 pcs)
3" 4"
a + b ≦ 59
18
—
7186 032 7186 032
field field
supplied supplied
and
— field
supplied
7134 770 7134 770
and
field
—
supplied
field field
supplied supplied
field field
5
supplied supplied
field field
3a
supplied supplied
field field
supplied supplied
field field
supplied supplied
7134 781 7134 782
72 ft
22 m
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