Instruction Manual

33
G
enera
l
Furnish and install where shown on the
p
lans water cooled
chiller modules having a total capacit
y
of _______ tons when
cooling _______ GPM of chilled water/gl
y
col solution from
_
_____ °F to ______ °F. The gl
y
col t
y
pe for the chiller solu-
tion is (eth
y
lene)/(prop
y
lene)/(water-onl
y
)
c
ircle one
,
at
a
g
l
y
col solution
p
ercenta
g
e of ______ %. The chiller ca
p
acit
y
r
ating shall be based on a ______ °F drop through the evapo-
r
ator with a chiller fl ow rate of ______ GPM/ton. The water
cooled chiller modules have a condenser fl ow rate of ______
GPM of water/
g
l
y
col solution, with a tem
p
erature rise from
_
_____ °F to ______ °F. The gl
y
col t
y
pe for the condense
r
solution is (eth
y
lene)/(prop
y
lene)/(water-onl
y
)
c
ircle one
,
at
a
gl
y
col solution percentage of ______ %. The condenser rat-
ing shall be based on a ______ °F rise through the condense
r
w
ith a fl ow rate of
______
GPM/ton
.
Modular Unit Desi
g
n
T
h
e
FLEX
Series modules must be designed to be refriger-
X
a
nt-convertible. The s
y
stem is to be comprised of individual
ebtsumseludoM.ngisedniraludomeratahtsnoitcesrellihc
comprised of individual refrigerant circuits, compliant with
A
SHRAE 90.1 operating on either R-22 or R-407C. Each
m
o
dule is t
o
be less than 34” in width t
o
all
o
w f
o
r maneuver-
ing through narrow openings. Each module’s length shall not
srenrocdnuorasuidarnrutehteziminimot”8/534deecx
e
a
nd obstacles encountered while moving and placing the uni
t
in the e
q
ui
p
ment room. Ever
y
module shall be ca
p
able o
f
y
ticapactce
j
orpehtteemotetisnognilpuocdle
fi
r
equirements.
U
nit
C
onstructio
n
T
he frame design of each module shall utilize a painted,
h
eav
y
gauge, cold rolled steel frame for mounting the com
-
p
ressors, condenser and evaporator. The frame must allow
f
or front or rear service access of the heat exchan
g
ers. The
epipleetsnobrac”6dedlewgnisudetcurtsnocebllahstinu
cinord
y
hehtot
y
tilibatsdnahtgnertsevigotderugfinoc
section of the machine. Connection to the ad
j
acent module
htobnosegnafldetarISP582gnisu
y
bdehsilpmoccasi
c
o
ndenser and chiller water circuits. The main headers must
y
tilibatseziminimoterutcurtsdigirgnorts
y
lemertxenamro
f
.noitarepodnanoitallatsnignirudsmelbor
p
Module
I
solat
i
on and Room Footpr
i
nt Requ
i
rement
s
A
ll service and maintenance is
o
lati
o
n valves must be c
o
n
-
tained within the module footprint dimensions (34" wide x
43 5/8" deep). All water isolation valves must be recessed
w
ithin the 6" header condenser and eva
p
orator water
p
i
p
-
ClimaCool Engineering Guide Specifications
ing dimensions front and rear to prevent valve damage and
t
o
minimize service clearances. All is
o
lati
o
n valves must
be contained within the module dimensions. Valves which
e
xtend be
y
ond the main water header dimensions must be
a
pproved b
y
the pro
j
ect engineer if the
y
cause an increase in
the equipment room footprint or add to the service clearance
d
imensions.
A
motorized valve requires a 1 1/2" extension fo
r
variable
p
rimar
y
fl ow
.
E
lectrical
C
abinet Dimensional Parameter
s
T
he electrical cabinet construction must be recessed within
the module footprint dimensions (34" wide x 43 5/8" deep).
T
he electrical c
o
ntr
o
l cabinet must be recessed within the 6"
h
eader fl anges of the condenser water piping, top and bottom
to prevent damage and to minimize service clearances. The
e
lectrical cabinet c
o
nstructi
o
n must all
o
w f
o
r electrical ac
-
c
ess without removal of an
y
sound attenuation covers.
H
ydronic Desi
gn
Each chiller shall utilize a water header s
y
stem of modules
b
o
lted in series t
o
maintain c
o
nstant and full fl
o
w t
o
each
o
f
the heat exchangers while in operation. Each module shall be
f
actor
y
supplied with isolation valves on all water circuits to
a
llow re
p
air or maintenance of the heat exchan
g
ers withou
t
interrupting operation of the entire s
y
stem. The chilled water
p
iping on each module shall be pre-insulated at the factor
y
w
ith 3/4” closed cell foam rubber. Insulation on the chilled
w
ater header connection fl an
g
es is to be a
pp
lied in the fi eld
b
y
the installer, once the modules are bolted together on site.
S
ervice ports (2) 3/4" threaded ball valves, shall be provided
on the inlet and outlet of each plate heat exchanger, condens-
e
r and evaporator for maintenance back fl ush and cleaning.
P
ete's
p
orts shall be
p
rovided on all modules as standard.
Modular
C
hiller
F
LE
X
CS Strainer
X
T
h
e
FLEX
CS strainer shall be designed for a fl ow of ____
X
G
PM, with a maximum pressure loss during maximum fl ow
of 1 PSI. Strainer shall be provided with 80-mesh/178-micron
fi lter element, conical in shape and vertical in orientation.
P
ressure construction of the strainer housing, fl anges, nipples,
a
nd screens shall be of t
yp
e 304 or o
p
tional 316 stainless
s
teel. Strainers shall be provided with 1/4” gauge ports on
the inlet and outlet side of screen and with debris fl ush port
integral to the operation of the strainer. Strainer housing shall
be rated for 125 PSI (clam
p
lids) or 150 PSI (bolted lid). The
fi lter/strainer shall be installed on the condenser and chilled
w
ater inlets
o
f each bank
o
f chillers.
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