Direct Vent Sidewall With Concentric - Weil-McLain GV90+ Installation And Start-Up Manual

GV90+ Series 2
oAs·FIRED WATER so1un -
BaUer Manua l
DIRECT VENT -
Sidewall with 3" concentric
Allowable vent/air pipe materials &
length a
I. The 3" concentric ttrminarion kit must be pur-
chased separately.
IAWARHIN G I
Useonl)'the vent materials and kits listed
in Figure 40, page 33. Provide pipe adapt-
ers if specified.
2.
locate the termination such
rhar the total air piping
and vent piping from the boiler ro the termina -
tion
wiJJ
nor exceed the maximum length gi\ren in
Figure 39, page 32,
3. This termination
~qui res
a 45-degree e-lbow that
is not supplied with the terminatio n kiL The
maximum vtn.tlair pipe lengths include aJJowance
fo r this elbow.
Determine termination location
I. The conct-nrrk termination
kir must
be insraU ed
as shown in Figure 50, page 41.
2. The termination must comply with dearances and
limitations shown in Figure 41, page 35.
3.
Locate the termination so iris not
likely
tO
be
dam-
aged
by for~ign objects, such as stones or balls, o
r
subj<!<t
to
buildup
of
leaves or
!Miment
Multiple vent/air terminations
I. · w hen re:rminating multiple GV90+ boilers. install
each conct:ntric termination as described in this
manual.
IAWARHING I
All
v~n t
pipes and air inlets must ter-
min.are at the same height to avoid pos-
sibility of
severe
personal injury. death or
substantial property damage.
2.
Plac~
wall penetrations to obtain minimum
clearance as shown in Figure 51, page
4 2
for U.S.
installations. For Canadian insrallations. prO\ride
clearances required by CSA 8149.1 o r 8 149.2 In-
Stallation Code.
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~
wirh regard to spacing from adjacent boile:r
vents.
Part number 550-1+2-783/1012
Fi gure. 60 INSTALLATION SEQUENCE - Concenlric hofizontal
·-·
Sttp 1
c::_NT
To boiler
Read and fo:llow all instructions in this manual. DO NOT
proCCKid wtth venValr In stallation until you hav• r•ad
page 29!hrough page 35.
Step 2 lnstaJI the b<>iler in a location that aJJows proper routing
of
all \-tnt and air piping ro the selected sidewall location.
Step 3 Make
sur~
tile selected sidewall re:rmination location com-
plies with
Mgu~
41. page 35. (Multi
pi~
boiler concentric
terminations must also comply with
Figur~
St. page 42.)
Step 4 Use onl)• the
v~nt
materials listed in
Figur~
40. page 33.
PrO\'ide pipe adapre:rs where required.
Step 5 Vent piping and air piping
l~ngths
must not exceed the
\<alues shown in
Figur~
39. page 32.
Step 6 The concentric termination must
be
assembled and insraU td
befor~
piping from the
boil~r
ro the termination.
Step 7 Prepare the s idewall penetration -assemble
th~ conc~ntric
termination kir and
secur~
the
cover
plates as instructed in
this stction.
PrO\rid~
the su..r.ports indicated and mount
rh~
termination assembly.$«" ' Install
t~nni natio n -
concen tric
pipes" on page 42.
Step 8 lnstaJI venr and air piping between the boiler and the
concentric
\~n tlair
termination. Slope horirontal piping
downward t-oward the boiler at least 1/4 inch per foot.
See
pag~
48 for
g~neral
guidelines.
S!tp 9 Install pipe supports every 5
feet
on both the horizontal and
\rtrtical runs.
Step 10 lnstaJI a hange:r support within 6 inches of any upturn in
the piping.
41