Weil-McLain GV90+ Installation And Start-Up Manual page 62

GV90+ Series 2
oAs· FIRED WATER BOILER -
Boiler Manual
Start-up
(conunuedJ
F inal checks b e fore s t a rti ng boller
0
Rtview r.he boiler sequence of operation in Figure 75, page66.
0
Verify thar r.he boiler and system are full of warer and aJI
system components are corr«dy ser for optrarion.
0
High altitude IO<ations (over
5,500
feet) - verify that the
high altitude pressure switch is installed pe-r page 10.
0
Verify that c-Ondensate trap has been filled
wi tb
water.
0
Verify electrical con nectionsart correct and securely attached.
0 Inspect vent piping and air piping for signs of deterioration
from corrosion, pfiysical damage or sagging. Verify air pip-
ing and vtnr piping are intact and corrtcd)• instaJJtd pe-r this
manual
Adjust boiler control settings
BOILER OPERATING TEMPERATURE
With power turned on, conrrol moduJt Ttetives a signal f'rom
the temprrnture sensorr and displays boiler tm'lptrnture. Tht
rontrol
knob
labded BOILER
TFMP is
used to adjust the
oprrntin g temperature setpoint,
turning clockwise
to
incre:ase
temperarure seuing and counre:rclockw&Se ro decre:ase. \"'htn
the knob is turned ro adjust rempe:raturt the display will
brighten ro indicate adjustment mode. After tempe:rnture is
set
to desired \'alue. displa:y will dim afte:r approximately 5 seconds
to indicate measureme11t mode.
• ADJUST BOILER OPERATING TEMPERATURE TO
DESIRED SETPOINT.
BOILER ECONOMY SETTING
To
rumply
with Dqrootm<rtt of l!odl,')' regulation<, tho
<Onll'(ll
mo<lultci"rculatd
availab!e hot watt'T btforc turning on the boiler
to attempt to satisry a
oil for:
heal. - ' White att<•nptJng
ro
satisfy
tbe hear dtro.and, the.- coulr'Ol L 'nod\lle also moniroB the bl,)iltr
lemptnrure d1aogrs via
~t-tt'mptralurT ~cn.sor
and dct,aminu
wh~!Oitr
u r not the llVililable hut
wat~r
witl.satisJy
tht
demand.
;.tdjus:ting
tht
time
ddt~y
to turn on
tht
boiler untP
it
dt'\trmlnts
tl\atadditio .
..-1
bta! will be nteded.
Th•
knob
labe!M
ECONOMY
AOJUSTpro\·ides
an adju.-,lmtoJ-be-L,vttn maJcim.iu (MAX) aod
mi.uimize (MlN) the
d. e lay.
The maxinmm (MAX)
adj!Uictne.m
position should
be
used to mtt.lrirnlze.cnetg)' saving$. Tuming
th~
lui< )b countctclo.:kwise d<cttase< tht
dtiay
lim<
and should only
"' U!i<' < l
in the_,t
th>t
Ute hoate<i
~
beromes
uncomf<lrrubk.
• ADJUST ECONOMY TO DESIRED POSmON (MAX IS
THE PREFERRED
SETTING~
62
IMPORTANT
In accordanc< wit!! Section 325
(f)
(3) of the Energy Policy
and Conservation Acr, this boile-r is equipped with a
featur~
rhat saves energy b y
r~udng
the boiJe-r warer temperarure
as
the
heating load decre:ases. This feature is equipped with
an override which is provided primarily
to
permit the
use
of
an exrernal tnergy
manag~ment syst~m
that
serves
rhe same
function.
THIS OVERRIDE MUST NOT BE USED
UNLESS
AT LEAST
ONE OF THE FOLLOWING CONDITIONS IS TRUE:
An external energy management system is instaJied that
r~ucts
the boiler warer temperarurt as the heating load
decreases.
This boiler is part of
a modular or multiple boiler system
having a total input of 300,000 BTU!hr or
great~r.
This boiler is equipped
wirh
a tankless coiL
To start the boller
I. Turn OFF
the
boiler ON/OFF switch.
2.
R~ad
and fo-llow rhe Operaring Ins tructions, Fig-
"1'¢
79,
page
97.
If boller does not start correctly
I. Oleck
for loose connections, blown fuse or StrYice switch off?
2.
Is
exremal limlt control (if used) open? Is boiler water tem-
perature above boiler limit setting?
3. Is
thermostat set be-low room
tmlperntur~?
4. Is
gas turned o n ar
meter
or boiJer?
5.
Is
incoming
gas
pressure less rhan 4"' w.c.?
6. If none or rhe
:abo~
corrects the problem, rerer to Trouble-
shooting. beginning on
pag~ 76.
Check system and boller after start·
up
0
Check water
piping
I. Oleck system piping for leaks. If found, shut down boiler and
r<pair immediately.
(See
WARNING on page 60 regarding
failurt ro repair leaks.)
2. Vent any remaining air from sysrem using manual vents. Air
in the system
will
interfere with circulation and cause heat
distribution problems and noise.
0
Check
vent piping and air piping
I. Check for gas-right seal ar
e~ry
connecrion and seam of air
piping and
~nr
piping.
IA WARHINGI
v~nti ngsysrem
must be seale-d gas-tight to prevtnt
flue gas
sputage
and carbon monoxide emissions
'vhich will rtsult inSt"\'frt pe-rSOnaJ injury or death.
Pan
number
550-142· 783/1012