Weil-McLain GV90+ Installation And Start-Up Manual page 5

GV90+ Series 2
OAS·FtRED WATER BOILER -
Boiler Manual
Please read before proceeding
Hazard definitions
The following defined terms are used throughout this manual to
bring attention to
r.he prestnce of
hazards of various risk lt•ttls or
to important info rmation concerning the life of the product.
lndicares prt.Sence of hazards thar wlll cause sevt-rt
perSonal injur-J'• dearh or substant ial property
damage.
lndicares prt.Sence of hazards that can cause
sevt-rt
perSonal injur)'• dearh or substant ial property
damage.
!A CAUTION
1
lndicares presence of hazards that will or can cause
m inor
ptmnal
injury or p roptrty damage.
NOTICE
IAwARNIN& l
NOnCE
Jndicares
spedal
insrruct ions on insrallation.
Opt-r ation o r maintenance thar a re importanr
bur
not related to ptrsonal injury or proptrty damage.
Ins taller- Read all instructions.
induding this
manual and all other information shipped
with the
boiler> before installing. Perfonn steps in the order
gi .. ·tn.
U ller - This manual is for use only
by
a qualified
he-ating installer/service technician. Refer to User's
Jn:f'onnation ManuaJ for your reference.
User -
Ha\'t this boiler serviced/inspected by a
qualified service technidan, at least annually.
faj lure to comply with the above could result in
sevtrt
personal injury, death or substantia] proptrty
da.mage.
W~itt
in the CP numbtr in the space provided on
the Installation certificate on page
90
if not already
shown.
\Vhen calling or writing about the boiler- Please
have the boiler model nwnber from the boiJtr raring
label and the CP number
from
the boiler jacket.
Consider piping and installation when determining
boiler location.
Any claims for damage or shorrage in shipment
must be filed immedlatelyagainst the transportation
company by the consignee.
Commonwealth of Massachusetts
When the boil-er is installed within the
Commonwealth of
M..,.chu.setts, comply with < he following.
This product must be installed by a licensed plumber or gas
fitter.
If antifreeze is used, a reduced pressure back-flow preventer
d.,;ce shall
be
uStd.
tf
sidewaJI \.'tnt or venr/air is insralled>
see
instructions on
page 34.
Part number 550-1+2-783/1012
~WARIMI
Failure to adhere ro the guidelines on thi.s
page can resull in severe personal injury,
Cleath or substantia] proptrty damage.
When ..,,.,.;cing boiler -
To avoid electric shock, disconnecr electricaJ supply
before performing maintenance.
To avoid
severe
burns, allow boiler ro cool before
performing maintenance.
This boiler contains ceramic t'ibtr and
fiber~lass
materials. Refer to the WARNING and instructions
on page 106.
Boiler operation -
Do
not bloc. k flow of combustion or \<entilation
air
to boiler.
Should
""erhNUng occur or g .. aupply
11111
to
tMit off,
DO NOT
tum off or disconnect electrical
sup. P .Iy
t~
circulator. Instead>
sh~r
off the gas supply
at
a
l ocanon externaJ to the apphanct.
Do
not
UM
thla
boiler
H any ~h
.. _.,under
woter. Immediately call a qil3lified service techni-
cian to inspect tht boiler and to rtpl.act any va:rt
of
the
control system and
any
gas control that
has
bft.n
under water.
Combustion air-
DO NOT Install combulllon air Intake whwe
there
It a rltk of combustion air
contamln.Uon.
Carbon monoxide detector -
For
OII'Cid
Exhaust units, a carbon monoxide
detec-
tor is required in the boiler room. The carbon mon-
oxide dttecror must be wired on the
same
electrical
circuit
as
the boiler.
For Direct
V•nt
units, a carbon monoxide dttecror
that i.s wirtd on the same electrical d rcuir
as
the boiler
is strongly recommended.
Boiler water-
Thoroughly flush the system (without boiler con-
neoted) to removeS<'dinlenl TbehbUI-ellic.iency heat
exd1anger
can
be damaged by build-up or corrosion
due to sedimtnr.
Do not
lL~t
JH:troleum-based deaning or staling
compounds in boiler S)'Stem. Gaskets and seals in the
system may bedamage<t. This
can
result in substantial
property damage.
LNko ln boiler
0<
piping ,.....t
be
repeiN<I ot once
to
P<8Yenl
moke-t~p woter. Use thlo boiler ONLY
In • ciOMd-toop system.
Continual fre.sh make-up
wat-er will
rtduct
boiler life. MineraJ buildup in heat
exchangers reduces heat transfer, overheats the mate-
rials,
an
<I cause.s tanure. Addition
of
oxygen
carried
in
by make-up water
can
cause internal corrosion.
Do
not add cold w.ter to hot bolter. ThennaJ shock
can cause heat exchanger to crack..
Freeze
protection fluid• -
NEVER u.se automoti\·t or standard glycol antifrtt:ze.
Use only
freeu-protectlon fluids made for hydronic
systems. Follow aU guidelines gi,·tn br. the antifreeze
manufucturer. Thoroughly dean ana flush
apy
re-
placement boiler system that has used gl)'cOI before
msr.alling the new boiler.
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