CGa
Series
2
Gas-Fired
Water
Boiler
-
Boiler
Manual
Please read before proceeding
Installer
!A
WARNING
I
User
Read
all
Instructions
before
In-
stalling. Follow
aU
instructions
in
proper
order
to
prevent personal
injury
or
death.
Considerpiping
and
Installationwhen determining
boilerlocation.
Any
claims
lor
damage
or
shortage
In
shipment
mustbefiled immediatelyagainst the transportation
companyby the consignee.
This
manual
Is
lor
use
only
by
your
qualified
heating
Installer/service
technician.
Please refer
to
the
user's
Information Manual for
your reference.
We
recommend
regular
service
by
a
qualified
service
technician,
at
least
annually.
I
AWARNING
I
The
boiler contains ceramic fiber
and
fiberglass materials. Use care
when
handling these
materials per instructions
on
page 57
of
this manual. Failure to comply could result
in
severe
personal injury.
NOTICE
When
calling
or
writing about the
boiler-
Please
ha
ve
the boiler model
number
from the
boiler rating label
and
the CP
number
from the boiler jacket.You may
li
st
the CP
number
in
thespaceprovided
on
theInstallation
and
service
certificate found
on
page 33.
I
AWARNING
I
Fa
ih1r
e to
::.dhere
to the
Cl
lidel
ine.s
on
this
p::.ce
(":tn
re.snlt
in
severe
personal
injury,
de.ath
or
substantial propertydamage.
When servicing boiler -
To avoid electric shock, disconnect electrical supply
beforeperforming maintenance.
To avoid severe burns, allow boiler
to
cool before
performing maintenance.
Boiler operation -
Do
not
block flow
of
comb
ustion
or
ventilation
air
to
boiler.
Should overheating occur
or
gas supply fail
to
shut
off, do
not
turn
off
or
clisconnect electrical supply
to
circulator. Instead,
shut
offthegassupplyata location
external
to th
e app
li
ance.
Do
not
usethis boilerifany
part
has been
under
wa-
ter. Immediatelycall a qualified servicetec
hni
cian
to
inspecttheboil
er
and
to
replaceany
part
of
thecontrol
system
and
anygascontrol
that
hasbeen
under
water.
Boiler
water
-
Do
not
us
e
petroleum
-based cleaning
or
sealing
compounds
in
boilersystem.Waterseal deterioration
will occur,causingleakage betweensections.Thiscan
result
in
substantial propertydamage.
Do
not
us
e
"homema
de
cures"
or
"boiler
patent
medicines".Seriousdan1age
to
boiler, personnel
and/
or
propertymayresult.
Part Number
550
-142-779/0712
Continual fresh makeup water will reduce
boiler li
fe.
Mineral
bui
ldup
in
sections re-
duces heattransfer, overheatscastiron,
and
causes section failure. Additi
on
of
oxygen
and
othergasescancauseinternal corrosion.
Leaks in boiler
or
piping must
be
repaired
at
once to prevent makeupwater.
Do
not
addcoldwater
to
hot
boiler.Thermal
shockcancausesections
to
crack
Glycol -potential
fire
hazard -
All
glycol
is
flan1mable when exposed
to
high
temperatures.lfglycol
is
allowed
to
accumulate
in
or
around
the
bo
iler
or
any
ot
h
er
potential
ignition source, a fire can develop.
In
order
to
preventpotential severe personal
in
ju
ry
, death
or
substantial property damage from fire
and/
or
structuraldamage:
Neverstoreglycol
of
anykind nearthe boiler
or
anypotential igniti
on
source.
Monitor
and
inspect
th
e system
and
boiler
regularly for leakage. Repair any leaks im-
mediately
to
preventpossibleaccumulati
on
of
glycol.
Never useautomotiveantifreeze
or
ethylene
glycol
in
thesystem.Using these glycols can
lead to hazardous leakage
of
glycol
in
the
bo
ilersystem.
5
