Install Instructions
CG
i
GAS-FIRED
wATER
BOILER-
sERIEs
a-
Boiler
Manual
8 Check-out procedure - checklist
0
Boiler
and
heat distribution units filled with w
at
er?
0
Automatic air
ve
nt,
if
used, open
on
e full
turn
?
0 Air purged from system?
0 Air purged from gllS pipin
g?
Piping checked for leaks?
0
Co
rr
ectly si
ze
d
manif
o
ld
orifi
ce
s installed? Refer to Table 2,
pa
ge
12, to check si
ze
and
fuel type.
0
0
0
0
Set Economy mode, fully clockwi
se.
For multiple zones, adjust flow so
it
is
abo
ut
th
e
sam
e
in
each
ro
ne.
Ve
rify
th
e
rmostat
h
ea
t a
nticipator
(
if
availabl
e)
set
pr
ope
rl
y?
Refer to Field wiring, manual
Se
ction 6, page 31,
Thennostatjs)
.
ft
j.t!)Uijj;l
Co
rr
ectly sized ma
nif
old orific
es
must be
us
ed.
Fail
ur
e to
do
so will cause severe personal injury,
Cycle boiler with the
rm
ost
at - Raise to high
es
t setting a
nd
ve
rify
bo
il
er
goes
thr
ough
norm
al st
ar
t-up cycle. Lower to
lowest setting
and
ve
ri
fy
bo
il
er
goes off.
death
or
substantial property damage.
0 Followed operating instructions on
bo
iler
or
in
ma
nu
al
Sec
tion
9 for
pr
oper start-up?
0
Pr
op
er
burn
er flante ob
se
rved? Refer to Check
bumerflame,
manual Sec
tion
7b
.
0
Tes
t temperature
li
mit- Wh
il
e burners are op
er
atin.J,
turn
Boiler Tlmtg:djustme
nt
knob
cm
mt
erclockwise wttil isplay
rea
din
g
is
l
ow
act
ual
boiler w
at
er te
mp
erature. Burners
sho
uld.Jo
off
while circulator continues to o£ erate. T
um
Boiler
mp
adjustme
nt
knob clockw
is
e tmtil isplay r
ea
d-
ing
is
above
boile
r w
at
er tem
pe
ra
tur
e
and
igniti
on
seq
uence
should res
um
e.
0
Te
st
additional
fi
eld-installed co
ntr
o
ls-
If
boiler has a l
ow
wa
ter cutoff, additional high limit or
othe
r co
nt
rols, test for
operation as outlined by manufacturer.
Burners
sh
ould be
operating
and
shou
ld
to
off
when controls
ar
e testecl When
con
tro
ls are restored,
urn
ers should
re
igni
te.
0
Tes
t ignition system safety devi
ce:
a. Co
nn
ect m
ano
meter to outl
et
side
of
gas
valve.
b.
Start
boiler, all
ow
in
g
fo
r normal start-up cycle to oc-
cur
and
mai
n b
urn
ers
to igni
te.
c.
With main burners on, m
an
ua
ll
y shut
off
gas
supp
ly at
manual main shuto
ff
gas v
al
ve.
Burn
ers
sh
ould go off.
d.
Open manual m
ai
n s
hu
toff gllS v
al
ve.
Manometer
sho
uld
confirm there is
no
gas
fl
ow.
e.
Pilot will relight, flame sensing eleme
nt
w
ill
se
ns
e pilot
flame
and
main
burn
ers will reignite.
0
0
0
0
0
0
0
Cycle
DH
W Aquastat
if
usecl
Meas
ur
e natural gas input:
a. Operate boiler
10 minutes.
b. T
um
off
oth
er
a
pp
liances.
c.
At
na
tural gllS meter, meas
ur
e time (in seconds) re-
quired to use one cubic f
oo
t
of
gas.
d. Calculate gas
in
put:
3600
X
1000
=
Bt
uh
nu
mbe
r of s
ec
onds
fr
om step c
e.
Btuh calculated should approximate
input
rating
on
boi
le
r rating label.
Check manifold gas press
ur
e by conn
ec
ting manometer to
downstream test tapping on ma
in
gllS valve. Mani
fo
ld
pres-
s
ur
e
fo
r
na
tural gas
sho
uld be 3.5" w.c. and for
prop
ane gas
should be
tO" w.c.
Obser
ve
several operating cycles for proper operation.
Set r
oo
m the
rm
ostat to desired r
oo
m temperatur
e.
Fill
in
Installation
and
servi
ce ce
rtificate bel
ow
?
Review all instructions ship
ped
with this boiler with own
er
or
mai
nten
ance
pe
rson. Re
turn
i
ns
tru
ctions to en
ve
lope
and
gi
ve
to owner or place in pocket insi
de
fro
nt
panel in
bo
il
er.
0 Set lintit co
ntr
ol(s) to system te
mp
erature requirements.
36
Adjust balancing valves a
nd
co
ntr
ols to pr
ov
id
e design
temperature to system.
Installation and service certificate
Boiler model
_______
_ Se
ri
es
___
_
CP
munber
____
_
Date installed
____
_
Measured
Btuh
input
--------
0 In
st
allation instructi
ons
have been followed.
0 Check
ou
t
se
quence has been perfo
rm
ed.
0
Abo
ve
inf
ormation
is
ce
rtified to be co
rr
ect.
Installer
-----,,---.,----
(company)
0 In
fo
rm
at
i
on
received
and
le
ft
with owner
/ma
int
enan
ce
person
{address) (phone)
Installer's signature:
----------------
Part
Number
550
-14
2-780/07
12