Weil-McLain GV90+ Installation And Start-Up Manual page 32

GV90+ Ser ies 2
o111riutna wA.TUt UtliL&tl -
Beller Manual
Venting & air- general
(CDnL)
Figure 39 QV90+ v enl1119 • nd air pip i119 - 0PTIOIIIS and PIPING LIMITS
. N OnCE
1
Vtn~
Jeog:Lh
alf'tt.U boil~
input-
tht
boiJa
nutomatil."ally dtrilJe$
tb rump01Sa~
tor preilll.l"t loss- tluougb L he vmL
S«the-d« ..
~
values- gi\'t'n in Fjguf!!. 109, pagt- 103.
T'ht
longt"t' th(!'
~n(,
ltllt mure. tht input is reduec:d.
-3
-5
Nom 1:
32
Malllmum vent and arr pipe lengths
(Minimum length for •• - llcnfonalsl,...,
(AI opplrcoiioru includeo/lowonce frJrtf>e lermlnoiion frtffng!)
DIRICTYEHT
(cof'>l>usdoo a. l r
piped ~
boiler
frorl\ outside )
Well-MC Lain 3" PVC
venUairap Separate
pipes
Seepage 37 Seepage39
iOO i OO
iOO iOO
100 iOO
iOO iOO
3"PVC
Concentric
!Not• IJ
See page 4 i
Max.
Length
(fee<)
iOO
iOO
iOO
iOO
· ~
- ]~~
See page 43
Max.
Leng1h
(feet)
100
100
100
100
I•
3 ' PVC
ConaontHc
(Note11
..
- ~
~·
See poge 45
Ml!IX.
Lenglh
·(feet)
100
100
100
100
DIRECT EXHAUST
(CI>O>buS\!Oh
at•
fr0l11
inside)
.:]
(1- .
Seepoge51
Max.
Length
(feel)
100
100
100
100
3"PVC
Coupliflg
'
--
Seepoge53
Max.
Lenglh
(feel)
100
100
100
100
Equiva'-nt fHt for
.,bows-
deduct from maldmum equiValent length of piping {does not apply to termination fittings}
• 7 feet per
for
each 3-lnch
W
long
4
radlusor 45° elbow
. 16
feet
for •ach 3·inch short-radius•lbow
Use only PVC pipe DO NOT use CPVC or ASS
with
concentric termination kitS.
IPEX 3• P\oe
concentriC vent
kits can be used with standard P\oe pipe, fittings and cell"'ent (ANSI/ASTM 01785) except whei'Q ULC
5636 compliance Is required.
~or
ULC 5636 compliance. all pipe, fittings and cell"'ent must be IPEX System 636. When uSing IPEX
kl~ use
only IPEX product
code
196006 for 3-wnnng.
ContactWe-11-Mcl..aln for ordering lnfoiTllaflon and availability ofWeiJ.Mclalnvenfl ng kits.
Pan
number
550-142 -783/1012