Venting Air Genkal; Common Vent System; Existing Vent Test Procedure - Weil-McLain GV90+ Installation And Start-Up Manual

GV90+ Series 2
OAS·FIRED WATER BOILER -
Boiler Manual
Venting & air - general
NOTICE
GV90+ bollero must bo vented ond
suD!llled
with carouldon
end
Yenll·
lllll<in
olr
ualng piping
ond methode
d•acrtbedln thts m1oo11.
Every bolter
nwtt have tts
own v•nt.
00 NOT common vent with any other
appliance.
Inspect finished vent and aJr piping
thoroughly to ensure aU art airtight
andl comply wirh the instructio ns
pro:vided and with aU requirements of
applicable <Odes.
Failure ro provide a prope-rl)•-instaJJtd
•ten
t
and air system
will cau..st
seve-re
ptr$0nal injury or death.
If tibe vent/air piping confignratlons
cov-.ertd in the GV90+ boiler manual
cannor
bt
applied for a particular
instaJiation> contact Weii-Md.ain for
assistance. Other configurations may
be
available.
Where
vent piping lo routed through
en mhNt•d spac•>
appt)• minimum
l
inch of roil-faoed fiberglass insulation
on the length of the vent pipe in the
unbeated space.
Installations must comply with locaJ
requirementS and with the
National
Fuel Gas
Code,
ANSI Z223.1 for U.S.
instaJiationsor CSA 8 149. 1 orB 149.2
for Canadian installations.
Use only the materials listed in this
marual
for vent and aJr pipe and fit-
tings. See Figure
40.
page 33.
If used, • matonry chlmn•y can
ONLY
bo uood
eo o PIPE CHASE lor
vent and air
pipet-
The
vent and
air
piping musr be instaJied
as
instructed
in dlis manual and aU joints must be
sealed. The chimney musr be used
only for GV90+ boilers. NO OTHER
appliance or fireplace can
be
connected
to the chimney. The chimney must be
straight. with no offsets. and the venr
and air piping materials must comply
with this instruction manual. The
cbimmey
must
be fitted with a sealed
ac~
optning.. through which the in-
teriiOr of the chimney can be inspected.
The chimney (and liner. if installed)
m~r be insptcted ar leasr once annu-
alt)f ro verify condition.
Fall.urt to comply could result in
severe
personal injury. death or substantia]
properry damage.
Part
number
550-14-2-783/1012
When removing a boller from an existing
common vent system
The QVSIO+
bo . .
r cannot
be
co...._
..-ted
with..,., ot.,..
applanc•. \"/hen an existing boiler is replaced with a GV90+ boiler.
the GV90+ boiler CANNOT
use
the existing common vent. The GV90+
boiler requires Its own vent and air piping, as specified in this manual. This
may cause a problem for the appliances that rtmain on the old common
vent. because the venr may be roo large.
The
fo llowing test. required b)•
ANSI Z2 1.13. is intended to check for proper operation of the appliances
rt:maining on the old common vent
systm'l.
Vent system verification
Ar
the
time of removal of an existing boiler> the following steps shall be
followed
with
each appliance remaining connected
tO
the common \'tnting
system placed in operati<>n. while the orhe:r appliances remaining connected
to the
common vtnting sysrem are not in operation. Stal any unused
open-
ings in the common ·.-~n ting system.
Existing vent test procedure
(The following
is
intended to test whether the spplisnces
remaining on sn existing vent system will operate
sstlsfsctorlly.)
I.
Visually inspect the '\'tntingsysrem for proper size and hori7.ontal pitch
and determine there is no blockage or restriction, leakage, corrosion or
other detkiendes wbic.b could cause an unsafe condition.
2. Test
·.-~nt syst~m-
Insofar as is practical. close aU building doorS and
windows and all doors between the spac~ in which the appliances
remaining conntcted to the common ·.-~nti ng sysrem ar~ located and
other spaces of the building. Tum on clothes dryers and any appliance
nor connected
to
tbe common venting
system.
Tum on any exhaust
fans, such
as
rang~ hoods and bathroom exhausts, so they will oper-
ate at maximum sp.eed. Do not operate a summer exhaust fan. Close
fireplace dampers.
3. Place in operation d:le appliance being inspected. F<>U ow the lighting in-
structions. Adjust thermostat so appliance will operate continuously.
4.
Test for
spillag~
at
draft
hood relief opening
aft~r
5
minutes of main
burner operation. Use the flame of a matc.b or candle, or smoke from
a cigarette, cigar, or pipe.
5.
Aft~r
it has b«-n determined rhat each appliance remainingconntcted
to the common venting system properly \'fnts when tested as outJined
~return
doors, windows. exhaust fans.lireplacedampecs, and any
other gas-burning appliance
to
their pre't'iOUS conditions of use.
Any improper operation of common \'fnting
system
shouJd
be
corrected
so the installation conf'o.rms with the National Fuel Gas
Code,
ANSI Z223.1
- latesr edition. Correcr by re-sizing to approach the minimum size as
determined using the appropriate tables in
Part
11 of that code. Canadian
installations must comply with 6149.1 or 8149.2 Installation
Code.
29