Instruction Manual

6
ClimaCool Design Features
T
he ClimaCoo
l
®
FLEX
Series modular chiller is a
X
tr
ue
modular chiller s
y
stem, designed to save equipment roo
m
s
p
ace and
p
rovide
"
true operational redundancies
p
". Modules
fi
t through narrow openings, into elevators and into places
w
here a unique solution is required. The unit can
be taken into buildin
g
s and ne
g
otiate corners where
lanoitidda tuohtiw og tonnac srellihc egral la noit nev noc
dem
o
liti
o
n c
o
sts.
F
LEX
o
ffer
s
"
true operational modularity
p y
"
w
hich allows maintenance on an
y
individual module withou
t
s
y
stem shutdown. Scheduling for chiller shutdowns becomes
a
thing of the past.
T
he modules are simple to assemble and install and require
a
minimal amount of site work. The
y
are ex tremel
y
“use
r
f
riendl
y
” in installation, o
p
eration and maintenance res
p
ects.
A
ll models come with aestheticall
y
pleasing enclosures
for minimal noise transmission
.
Modular Unit Desi
g
n -
FLEX
Series
X
T
he
F
LE
X
Series modules are designed to be refrigerant-
X
convertible. The s
y
stem is to be com
p
rised of individual
chiller sec tions that are modular in design. Modules must be
comprised of individual refrigerant circuits, compliant with
A
SHRAE 90.1 o
p
eratin
g
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
e
xceed 43 5/8” to min srenroc dnuora suidar nrut eht ezim i
a
nd obstacles encountered while moving and placing the
unit in the equipment room. Ever
y
module shall be capable
eld cou
p
lin
g
on site to meet the
p
ro
j
ect ca
p
acit
y
re
q
- eriufiof
men
t
s.
U
n
i
t
C
onstruct
i
o
n
T
he unit frame design of each module utilizes a heav
y
gauge,
p
ainted cold roll steel frame for mounting com ,sros serp
individual condensers and eva
p
orator circuits with front o
r
r
ear service access. The frame is constructed using welded 6”
carbon steel piping confi gured to give strength and stabil-
it
y
to the h
y
dronic section of the machine. Connection to
the ad
j
acent module is ac b dehsilp moc
y
using 285 PSI rated
fl anges on both water circuits, forming an extremel
y
strong
r
i
g
id header and minimizin
g
stabilit
y p
roblems durin
g
in - lats
l
po dna noit a degrahc-erp lla era stiucric tnaregirfeR .noit a re
a
nd factor
y
run tested.
Module Isolation and Room Footprint Requirement
s
A
ll service and maintenance is
o
lati
o
n valves are c
o
ntained
w
ithin the module footprint dimensions (34" wide x 43 5/8"
d
ee
p
). Water isolation valves are recessed within the 6"
h
ea
d
er con
d
enser an
d
evaporator water piping
d
imensions
f
ront and rear to prevent valve damage and to minimize ser-
vice clearances. All isolation valves are desi
g
ned within the
module footprint dimensions. Valves which extend be
y
ond
the main water header dimensi
o
ns can result in an increase in
the e
q
ui
p
ment room foot
p
rint or add to the service clearance
d
imensions. A motorized valve requires a 1 1/2" extension for
variable primar
y
fl ow
.
H
ydronic Desi
gn
T
he chilled water piping on each module is pre-insulated a
t
the factor
y
with 3/4” closed cell foam rubber. Insulation
(3/4") on the chilled water header connection fl anges is to
be applied in the fi eld b
y
the installer, after the modules are
bolted to
g
ether on site. Each module is factor
y
su
pp
lied with
isolation valves on all water circuits to allow repair or main
-
tenance without interrupting service of the entire s
y
stem.
T
he ClimaCoo
l
®
m
o
dular series chiller utilizes a water head-
e
r s
y
stem bolted in series to maintain constant and full fl ow
to each of the ex chan
g
o ni elihw sre
p
eration. This desi
g
n,
ow design of both heat ex sre gnahccombined with the full fl
a
llows for effi cient operation at full and part load conditions.
T
his
p
rovides o
p
timal heat transfer at full and / or
p
art load
llab dedaerht "4/3 )2( strop ecivreS .snoitidnoc gni ta re po
valves are provided on the inlet and outlet of each plate hea
t
e
xchan
g
er, condenser and eva
p
orator for maintenance back-
fl
ushing cleaning. Pete's ports are provided on all modules
a
s standard
.
C
ondenser – Water
C
oole
d
T
he condenser for each module has a brazed plate hea
t
e
nahc x
g
nitsisnoc( re
g
of two refri
g
erant circuits with one
w
aterside circuit
)
; constructed with 316 stainless steel
p
lates that are copper brazed, using total counter fl ow to
increase module effi cienc
y
. Each module’s condenser is de-
s
igne
d
in accor
d
ance with UL an
d
/or ASME co
d
e
f
or a
400 PSI refrigerant working pressure
.
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®