Multiple Boiler Inst Allations - Weil-McLain GV90+ Installation And Start-Up Manual

GV90+ Series 2
fl4!i"f' Ot£u WA711'1
••~•1-ER
-
Boiler Manual
Multiple boiler installations
Placing multi ple bolters
L Locote m ultiple bulit'n in baiid iOom accurd.iug
to:
a. Fig:u,rc. - 28 (s\1.1.:-rb-sidej, or
b. ngi!Tt
29
( baok-t<rbock) .
2. Pnwidt the de:arancd indicated io the -Ul~trations
li.sttd
ab<>vt:
to
pn>vid.~
furaccw- tu.Hl se- r vicing. If
thdt
-r~mmu ded dim~siuos
an:-
nOt
:po~ ihle,
(.)J'Ovide ut lt9St
th~
rt<:Orntnt'ltde-d
~ct
cle-a:rances.
_givm on
vase:
..s.
A.I.Mf
fbllow local oodrt.
3.
Construct
boiler
foundation if boiler
room floor
ls
uneven or
if
there ls a danger of flooding.
Size
fOundatiOn
tO
allow for clearance and $pacif)g di-
mem.lons dlown in the
iUUStnJboo.~
Ol t ight.
4. Cbatklioe boiJft
IOCiltl l' m .~
on f:Puudatiuu
(lT
boileT
:room flooc.
$.
Uoo'a(e, i!il:c:mbleand mount bOilers n«""rding
Ill
instrucfiort.s in
dl il
m11.uuat
6. Pi'O\>idc tll."aiance
fot
in.n:allat:ie)n o r
YC'.rt~og,,
ait
piping, gas piping_.
~pansion
tank, primary drcul>l-
r('r' and
(tt.hC:r
ac~rits.
Controlling multi ple GV90+
bolters
I. Multiple GV90+ boiler>
01n
be
con
~rolled
using any
boiler controVsequencing
syst~m
that provides an
isolated contact for
call
fo r hear (connected to the
boiler's
T-T
terminals).
Piping multllple GV90+ bolters
I. Set' suggested piping d iagrams in this manual.
Contacr Weii-Mclain for assistance fo r systems
not
cov~red.
2.
Always pipe tbe boilers o n a secondary loop in a
primary/secondary circuit
as
shown in the txamples
in this manuaL
Figure 28 Side-to-side
mou nti~
ol multiple GV90+ boilers.
showing FifGOMME:NOED clearances
- -w ------ 61" _ ___, ___ •• · - -
•
Figure 29 Back·l<>bad< inslallalion o1 muniple GV90+ baiiO<s,
showing RECOMMENDED
clearances
f
)6'
!
'
•
-~··_..
- u·-
I
1
••
...
_ __ .,.
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Part number 550-1+2-783/1012
23