Weil-McLain GV90+ Installation And Start-Up Manual page 37

GV90+ Series 2
oAs·FIRED WATER so1un -
BaUer Manua l
DIRECT VENT -
Sidewall with W-M vent/air plate
Allowable vent/air pipe materials &
length a
IAWAIINING I
Use only the vent materials and kirs
listed in Figure 40, page 33. Provide pipe
adapters if spec.i.fied
I.
Locate the termination such rhar the
total air piping
and vtnr piping f'rom the boiler to the termination
will
not exce-ed the maximu m length g iven in
Figure 39, page 32.
Determine termination location
I.
The vent/air cap mu.sr be installed as shown in
Figure ~ page 38.
2. The termination must comply with dearances an d
limitations shown in Figure 41> page 35.
3. Locate the termination
so
it is no t likely to
bt
damaged
by
foreign obj«rs, such assrones or balls,
or subj«r to buildup of lea\'fS or sediment.
Multiple vent/air terminations
I. W hen rerminaring m u lriple GV90+ boiiNs,
rerminare each vent/air connection as described
in this manuaL
IAWAIINING I
All vent pipes and air inlets must
t~rm inare
at the same height to a\'Oid
poss.ibility of
sever~
personal injury,
deatll o r substantial property damage.
2. Place wall
pen~trations
to obrain minimum dear-
anct as shown. in Figure 44 for U.S. installations.
For Canadian installations. provide clearances re-
quiredbyCSA 8 149. 1 or Bl49.21nstallationCode.
3. The air inlet o-f a GV9G+ boiler _is parr of a dirtct
vent connection. It
is
not dassified as a forced
air
intak~
with
r~g.ard
to spacing from adjactnr boiler
\'fnts.
4. Combustion a.ir (NOT \'fnt piping) can
be
mani-
1\>lded as shown in Figure
~7,
page
~
1.
NOTICE The Weii-Mclain venr/air termination
capo can be
used ro terminate the •tent
p ipe for multiple boiler applications
using the manifolded combustio n
air optio n. The ven ts must be lo-
cated following the restrictions
in Fig-
ure 41. page 35 and f igure 38, page 31.
Part
number 550-14-2-783/1012
Fi gure 43 INSTALLATION - W·M sidmwall venValr plata
·<:Oil
- ~ -
.. <iii)
Step 1 lkadand. follow all fnstruc'tKms fn claili manual. DO NOT
proCCKid wtth venValr Installation until you hav• r•ad
page 29 through page
35.
Step 2 Install the
b<>iJer
in a location that aJJows proper routing of
all \'fnt and air pip ing ro the
se-lect~
sidewall location.
Sttp3
Make
sur~
tile selected sidewall termination location com-
plies with Figur< 41, page 35. (Multiple boiler sidewall plates
must also comply with Figure 44, page 38.)
Step 4 Use only the • tent materials listed in
Figur~
40. page 33.
Provid e pipe adaprers where required.
Step 5 Vent piping and air p iping lengths must not exceed the
\<alues sllown in
Figur~ 3~.
page 32.
Step 6 Prepare the .sidewall penetrations and
secur~
the sidewall
plates as instructed in this section.
See ''
l nstaJJ Weii-Mclain
\'fn tlair cap-" on page 38.
Step 7 The Weii-Md..ain
plat~
termination musr
be
installed before
piping from the boiler to the termination.
Step 8 Install venr and air pipin g between the boiJt r and the wntl
air termination plate. Slope hori1..0nt.al piping downward
roward the boiler at least 1 /4 inch per fooL See
pag~
48 fo r
general guidelines.
Step 9 Install pipe
supports every 5 fffi on both the
horizontal and
\'frtical runs.
Step 10 Install a hanger support within 6 inches of any upturn in
the
piping.
37