Concentric - Weil-McLain GV90+ Installation And Start-Up Manual

GV90+ Series 2
oAs·FIRED WATER BOILER -
BaUer Manual
DIRECT VENT -
Vertical with 3" concentric
Allowable vent/air pipe materials &
length a
I. The 3" concentric ttrminarion kit must be pur-
chased separately.
IAWARHIN G I Use only . the vent mare rials and kirs
listed in Figure 40, page 33. Provide pipe
adapters if specified.
2.
locate
the termination such rhar the totaJ air piping
and vtnr piping f'rom the boiler to the termination
will
not
tx~d
the maximu m length g iven in
Figure 39, page 32.
3. This termination
~qui res
a 45-degree e-lbow that
is not supplied with the terminatio n kiL T he
maximum vtn.tlair pipe lengths include aJJowance
for
this
elbow.
Determine termination location
Locate
the concentric •tent/air termination using the
following guidelines:
I. The concentric vent/air assembly must terminate
as shown in Figure 56, page 46.
2. The terminatio n must comply with the clearances
and limit:ation.s shown in
Figur~
41. page 35.
3.
Locat~
the termination so it is not likely to
be
damaged by foreign obj«rs, such assrones or balls,
or subj«r to buildup of lea\'fS or sediment.
4.
For Canadian installations. follow
r~uirt:ments
of
CSA 8149.1 O< Bt49.2 1nstallation Code.
Multiple vent/air terminations
I. \Vhen rerminating multiple GV90+ boilers. install
rhe concentric \'fntlair termination assemblies
as
described in thi.s manual.
IAWARNING I
All ....
~ nt
outJets musr rerm inate ar rhe
same heighr to a\'Oid possibiliry of
se..,·~re
pers.onal injur)'•
d~arh
or substantial
property damage.
2.
Pl ac~
roof penerrarions ro obrain m inimum
of
12
inches b etwft'n centers of adj acent vent
pipe of another boiler for U. S. installations
(s~
Figure
SO,
page
46).
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
r~g.ard
to S-pacing from adjarenr boiler
\'fnts.
Prep are roof penetrations
I.
Roof penmation hole:
a. Cut a 5-inch diameter hole to clear the 4'11-inch
terminatio-n outside diameter.
b. lnserr a gah'lllliud meral thimble in rhe
v~nt
pipe hole.
2.
FoliO\• all local
codes
for <solation of
vent
pipe
when
passing
through
floors, ceilings and roof<
3. Provide
flashing
and sealing boots slud for the
concentric term ination outside diameter.
Part
number 550-1+2-783/1012
Fig ure 56 INSTALLAn ON SEQUENCE - Concentric vertical
-·
•.
to~>qoo,.
Step 1 Read and follow all instructions in this manuaL DO NOT
proceed
with
ventlalr lnstallatton until you have read
pago 29
through
pago 35.
Step 2 t nsrall the booiler in a location rhat allows proper routing of
aU vent and air piping to the selecrtd sidewaJJ location.
Step 3 Make sure
rh~
St'lected
v~rtical t~mi narion
location com-
plies with Figure 4 1 , page
35.
(Multiple boiler concentric
t~nni natio n.s
musr also comply with Figurt 56, page 46.)
Step 4 Use only the \'fnt materials lisrtd in Figure 40. page 33.
Provide
p i ~ adapt~rs wh~~ r~ui red.
Step 5
v~nt
piping and air piping lengths must not exceed the
values shown in Figure 39, page 32.
Step 6 The concentric termination musr bt assembled and installed
before piping from the boiler to rhe termination.
Step 7 Prepare the ' v trtical penetration(s)- assemble the concen-
tric tennina.tion kit and secure the penetration components
as
instructed in this section. Provide the ' '!£ports
in dicat~
and mounr the terminarion assembly. See Prepare roof
penetrations• on page
45
and "Mount concentric lermina·
tion" on page 46.
Step 8 t nsrall .., - ~nt and air piping between the boiler and the
concentric w-nr/air rtrmination. Slope hori7.0ntal piping
downward toward the boiler at leasr
1/4
inch ptr foot.
Set'
page 48 for
gen~aJ
guidelines.
Step 9
t ns~l~ipt
s upports
t\rery
5 feet on borh the horizonral and
verttc runs .
Step 10 t nsrall a hanger supporr wirhin 6 inches of any upturn in
the piping.
45