Prepare B Oilerlocation; High Altitude I:nstallatfons - Weil-McLain GV90+ Installation And Start-Up Manual

GV90+ Series 2
oAs·FIRED WATER BOILER -
Boiler Manual
Prepare boiler location
Installations must follow these codes:
Lo<al, srat:t, provincial, national
codes,
J aws, regulations and
ord inanc~.
National Fuel Gas Code, ANSI Z223.1 - latest edition.
Standard for Controls and Safety Devices for Automatically Fired
Boilers, ANSf/ASME CSD-
t,
when
r~ui rM.
National Electrical Code
For Canada only: Bi49.i or Bl49.2 Installation Code
and
CSA C22.1
Canadian EJectricaJ
Code
Parr 1 and any local codes.
The GV90+ boiJt r
gas
manifold and controls
m~
safe lighting and other
perrormance criteria when boiler underwent tests specified
in
ANSI Z21.13
-latest edirion.
1
MOneE
1
For the Commonwealth of Massachusetts, read and follow
rhe special instructions located on page 34 of this manual.
Install the boikr
so
control
S)'Stem
componrnts
~ protected
from ti'lpplng or spraying water or rak'l during Optrntion.
Allowing. these components to become
wet
could
cau~
a
boiler faiJurt, resulting in
severe
personal injury, death o r
substantial proprrty
damage.
H igh altitude Installations
GV90+ boil6' <Mirols •utofililitAIIy todutt input with
ina~ing
alritudt.
See Figure
1 for estimated input at altitude as a percentage of St:a level
input.
Multiply
the boiler
sea
level input b)• this
ptrc~ntage
to obrain the
estimated high aJtitude input.
Note
that
the
length of the •tenting systttn
will also have a minor impact on input. Refer to the vent supplement l' . .,r
further info rmation.
No modifications to the boiler should be necessary for installations up to
s.soo
feet above St:a level. For higher e-levations. the air pressure switdl
musr
be
changed to aspttial high altitude switch. Refer ro the high altitude
kit
instructions, page
10. Note that the
gas
\<alve outlet p ressure
mu~
be
checked (and adjusted if necessary) following insrructions on page 63.
NOTICE
M OnCE
DO NOT
oldowall vtnt
DIRECT EXHAUST APPUCAnONS
ar
alrirud~s abo\re s.soo feeL
SidewaJJ venting is
only allowed
fo r
DIRECT VENT
applications (ducted combustion air) nt
altitudes a1xwe
s.soo
feet
Venr length aJso affects boiler input- the boiler auromati-
caJiyderates ro compensate for pressurt &oss through
the
vcnL
See the
d~rate
values given in Figure 109, page 1 03. For high
alrirude inst:aU artons, mulriply ihe% in Figure 1 rimes tht'
\'ll]ue show- n in Figure 109 ro d~erm ine input vs sea leveL
Service clearances
When possible. insrall GV90+ boilers wir.h dea.rances at least as large
lt.'i
shown in Figure 2 fo r best service access.
Flooring
The GV90+ boiler is • pproved for installation on combustible flooring,
bur mu.sr never be installed on carpeting.
6
Do not insrall boiler on carpeting even if foundation
i.-.
used.
Fi r~
can result, causing severe personaJ injury, death
or subsrantiaJ property damage.
Figure 1 Estimaled GV90+ input at altitude
Altitude
% Sea
level Input
( feet )
1 000 97
2 ,000 93
3,000 90
4,000 87
5000
83
5,500 82
6,000 80
7,000 77
8,000 74
9.000 72
10,000 69
Figure 2
Service clearances (recommended)
TOP VIEW
- · ·
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~
6'
i ml"
0
i%
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~
36'
,. .... >
...
lir
8GIIL>r
rront
:w
••
I
'
W•ll
cr oo:nn.ctlo-1!
FRONT VIEW
-·
C~l na
l
I
~-
••
::1
3:
!
j
36" R.,.,Ql
s·
rln
-~-
hool
Fl .. ..-.
l•.an number
550-l-42-783/1012