Slant/Fin VSL-160B Installation Instructions Manual page 39

10 - INSTALLATION - Vent and combustion air
10.8.1 - Stainless steel air
intake/vent connections
Combustion Air Intake
connection (see Figure 10-9
Item "C").
This connection is used
to provide combustion air directly to
the boiler from outdoors. Combustion
air piping must be supported per
guidelines listed in the National
Mechanical Code, Section 305, Table
305.4 or as local codes dictate.
To connect a PVC/CPVC pipe to the
air intake connection follow section
10.7.2.
39
Vent connection (Figure
10-9 item "A")
is used to provide
a passageway for conveying
combustion gases to the outside. Vent
piping must be supported per the
National Building Code, Section 305,
Table 305.4 or as local codes dictate.
To connect a stainless steel pipe to
the vent connection proceed as follow:
while referring to Figure 10-9:
1. install boiler adapter "A" above
boiler. Rotate boiler adapter "A" so
as air intake and vent connections
are in the desired left or right side.
Check stamped arrow to understand
which is the vent and air intake
connection.
WARNING!!!
Check
stamped arrow on boiler adapter
for the correct side of vent.
Failure to follow this warning
could result in excessive levels
of carbon monoxide or a fi re,
which can result in severe
personal injury or death!
2. Insert clamp "D" onto side "B" of
boiler adapter "A" .
3. Insert adapter "E" into side "B" of
boiler adapter "A";
4. Use clamp "D" to mechanically
secure adapter "E" to boiler adapter
"A". To do this tighten one side of
clamp "D" onto boiler adapter "A"
and the other half of clamp "D" onto
adapter "E". Tight the clamps with a
tork of 1.5 - 2 lbf ft (2-3 Nm).
5. Insert vent pipe "G", into adapter
"E", following instruction of stainless
steel pipe manufacturer.