Vent And Ir P Iping And Boiler Con- Ections; Follow Termination; Direct Exhaust Only; Direct Exhaust - Weil-McLain GV90+ Installation And Start-Up Manual

GV90+ Series 2
OAIS-fiMD WA.TU ua.Le" -
Boiler ManuaJ
Vent and air piping and boiler connections
DIRECT EXHAUST & DIRECT VENT
Follow termination Instructions
1,
Reali and foUU\V all
insLruction.~for
dlt
ltf10itt.a~\fo
<
YP"
used
~fore
p:ro...,l'iling
widt
thi>l
page.
Installing vent and air pipi ng
1~ \\'ork, IToD'I Lhe.
boitr=(
l' O ~ent
( ;t
air f['_nninati bl\'. Dtt
not
ext~
the lengths
gi v~u
in the: prt-Yious pagc;-
fOr tilhn the air or \lt' H t piping.
a. "Provkle"f < Mintess-pipc-ro I'VCad.aptmobUlj11ed
from tht &l1l.i"nlts!i
pipe manufadurer
ror
con·
nection$ at
the
boile:r'lud at
ttnnituarion~
whe:n
r<qulrod.
2.
s..,
Figure
59
fbr atta<bing V<n! (BJJd
oii )
~ip
..
at
the. OOila
3.
Cut
pip< I<> r<quir<d l<ngths.
4.
Dtburr inside and oubide o( pipt-
t nd$.
5.
dla.Jt&(er
ourside
ul'
tad1 pipe-cud
tO
eusure eVt:n
cement di:Stribution when
join. i ug~
6, Clean
all
pipe ends and fittings. Dry thorou_gbly.
1. Dr)'
a.Meml ~)e
tnlirt
vent or air pipiu.g
tb
en5'1.lTt
proper fit before assembUng·auy joint.
8.
For
each joint
a.
Handle
fittings and pipes carefully to prevent
contamination of surfaces.
b. Apply primerlibernlly to
both
joint surfaces-
pipe end and fttting socket.
c. While primer is srill
damp, lightly
appl)• ap-
proved cement ro
both
surfaces in a unifonn
coaring.
d. Apply a seoond coat to
both
surfaces. Avoid
using too much cement o n sockets to p rt•tent
cemenr b uildup inside.
e. With cement still wet, insert pipe into
fit-
ting. twisting
!4
turn. Make surt p ipt
i.s
f'ully
inserted.
(. Wipe
~cess
cement from
joinL
()leek joinr to
bt sure a smooth bead of cement shows around
the tnrire joinL
9. Maintain minimum dearance off' t e inch
btcween
\'fnt
pipt
and any comb ustible wall o r material.
10.
Seal wall
or floor penetration
openin~
following
local
code
requirements.
DIRECT EXHAUST ONLY
IAWAIUIIHOI
48
DIRECT EXHAUST installations- air
lnktt opening prottctfon: Ob tain a b ird
screen
(si2ed for
aii
inlet fitting) from
Wtii-Mclain.
Insert
the bird screen into
the
aii
inlet fitting to prevent foreign
objects
from entering the opening.
Agure 59 Boiler vent and air <;oonections
Vent aooptar
- - --!---,
Air
lnlotfitHn9
IAWARMIN&l AU94G
Vt1rl
pipe
- If ""OS Al294Cstainl<>.<
Vt11lp1pt,
you must
install
an AL29-4CstainJess vent starte-r
at
the
boilet \•ent conn«tion (and at the etnnination
if
using
the WeiJ-Mclain plate o r the concentr ic termination}.
Use only the starter made b)• the vent
p ipt:
manufacturer.
Set' Replacement parts section fo r available AL29-4C
stainless vent starterS.
I. PVCIABS
pipe-
Clean and deburr inside and Out:$ide
of
other
both
ends of air
and vt-nr
pipes.
Chamfer boiler end of w nr pipe
for ease of insertion.
IAWARHIH&j
The venr pipe end
must
be smooth 1U1d chamfered to
prt•ttnt possible damage to sealing gasket in \·tnt pipe
adapter.
2. inspect vent adapter and
aii
inlet fitting (above) - verify no ob-
structions Or foreign objects inside.
3. Vent pipt
LooSbl
vent adapter clamp screw.
Measure 3Y:t inches from boiler end of vent pipe and make a
mark with felt-tip pe-n.
Apply small amount of silicon grease to boiler end of vent pipe
to ease instrtion.
Insert
vent
p ipt into adapter to depth
of
felt tip pen mark.
Securt
vent pipe
b)•
tightening tht adapter damp Steurtt)•. Do
not over tigtlten . Tht seal is accomphshed with tht internal
gasktr.
The clamp is
only
10
hold rht pipt in plact.
" I A "w "' A R,..,; Hi i ; ;N.,Gj
D<>
not appl)• uces. s ive f?n:e or bend rhe vent adapter
o r \·tnt p ape when 1nserting.
Tht
adapttr o r seaJ could
be damag<d.
4. Air pipe
Clean tht outtr surface
of
tht boiler tnd
of
the a ir pipe.
Apply silicon stalanr (Dow Corning ?32TW o r eq_uivaJenr) to
the
outside tnd of the air pipe and to the inside of the a ir inlet
fitting.
Insert the au pipe into the
aii
inlet fining and give a 1/4
twn
to ensure
coverage.
Support u ntil
the
sealant has d ried.
P-an
number
550-142-783/1012