User guide

www.climacoolcorp.com
®
13
WATER TREATMENT
Proper water treatment is a specialized industry. We
recommend consulting an expert in this field to analyze
the water for compliance with the water quality parameters
listed in Table 1 below. The material used in the ClimaCool
chiller exposed to the water are type 316 stainless steel,
pure copper, and carbon steel. Other materials may
exist external to the ClimaCool chiller. It is the users
responsibility to ensure these materials are compatible with
the treated water. Failure to provide proper water quality
will void the ClimaCool module's warranty.
It is further recommended to seek an experts advice to
specify the appropriate water treatment required. Typical
additives to hydronic systems include rust inhibitors,
scaling preventative, antimicrobial growth agents, and algae
preventatives. Anti-freeze solutions may also be used to
lower the freezing point.
Heavily-Contaminated Water
In such instances whereby the particulates in the water are
excessive it is recommended to install an intermediate plate
& frame heat exchanger to isolate the ClimaCool chiller
from the building water system.
Water Treatment
Other Considerations
The following considerations are listed to help achieve
system longevity.
Cooling Tower
The cooling tower should be located away from sources of
external contaminates such as trees, dust, or grass cuttings.
Insect infiltration can be reduced by eliminating lights near
the tower. A periodic visual inspection of the tower system
should be made and contaminates removed as required.
Table 1 - Water Quality Parameters
11
Water Flow Rates
It is imperative that minimum and maximum water fl ow
rates are not exceeded. Minimum and maximum water fl ow
rates are defi ned in the Physical Data tables of this manual.
ot deriuq er si hctiws erusserp laitnereffid ro hctiws wo fl A
confi rm fl ow in the chilled water and condenser circuits.
Chilled Water Temperature Limits
ClimaCool
®
FLEX Series FLEXFLEX Series modules are designed for a leav-
5 ot F˚04 morf egnar erut a rep met retaw gni 5˚F. All cata-
loged modules can operate safely in this range without the
need of special controls or glycol additives. Leaving water
temperatures below 40˚F can result in evaporator suction
temperatures below the freezing point of water. Therefore,
we require a glycol solution additive that will protect the
evaporator from freeze ups at lower operating suction tem-
peratures. The full range of leaving chiller fl uid using glycol
is 20˚F to 55˚F on the Flex Series.
Condenser Water Temperature
The condensers are designed to operate most effi ciently at
lower entering water temperatures for lower power con-
sumption. Operating lower than a recommended 60˚F will
.ecnam rof rep metsys tceffa ylesrevda dna ycneic fife etagen
The full range of entering condenser water is 60˚F to 105˚F.
Water Quality Parameters
Water Piping Practices
As with any water system, it is important that the system be
clean. If care is taken during installation, the possibility of
dirt related problems are avoided in future operation of the
chiller. The pipe work installer must remove weld scale, rust
and contamination during pipe work fabrication.
There are certain necessary components that should always
be installed in both the chilled water and condenser water
systems (see Water Piping Confi gurations on page 24 in this
manual.) Isolation valves are required in the position shown
to isolate the chiller for maintenance and also to allow iso-
a dna elbarised osla si tI .gninaelc rof sreniarts eht fo noit al
.spmup eht gni tal osi sevlav evah ot ecitcarp doog
Refer to the ClimaCool
®
modular chiller water piping
-u g fi noc gnipip rof )42 egap no 2 dna 1 .sgiF( snoitarug finoc
snoitcennoc gnipip lan fi erofeB .seludom elpitlum no snoit ar
are made to the chille
r, all external water piping must be
thoroughly fl ushed. Suffi cient insulation should be installed
.niag taeh ecuder dna noit as ned noc tneverp ot delaes dna
Chilled water volume can be accommodated with the
.sknat nois nap xe fo esu
ClimaCool
®
Strainer
ClimaCool
®
requires quality strainers with a minimum
of 60 mesh strainer screen to protect the chilled and con-
looC am ilC ehT .metsys eht fo sedis retaw resned
®
Strainer
Package (listed on page 8, Optional Features) meets all
requirements and offers the convenience of an optional
automatic fl ush timer and a high pressure alarm. "Y" and
Basket Strainers are also available (listed on page 9, Optional
Features). Installation of a strainer will:
• Increase effi ciency
• Reduce abrasion and wear
• Ensure longer equipment life
• Provide greater return on your investment
• Filtration enhances the action of your water
treatment program
For more information on the ClimaCool
®
strainer, consult
looC am ilC dezirohtua lacol ruoy
®
representative.
Table 1 - Water Quality Parameters
WATER CONTAINING CONCENTRATION
Sulphate Less Than 200 ppm
pH 7.0 – 9.0
Chlorides Less Than 200 ppm
Nitrate Less Than 100 ppm
Iron Less Than 4.5 mg/l
Ammonia Less Than 2.0 mg/l
Manganese Less Than 0.1 mg/l
Dissolved Solids Less Than 1000 mg/l
CaCO3 Hardness 30 – 500 ppm
CaCO3 Alkalinity 30 – 500 ppm
ClimaCool
®
Application Parameters
Proper water treatment is a specialized industry. We recom-
mend consulting an expert in this field to analyze the water
for compliance with the water quality parameters listed in
Table 1 below. The material used in the ClimaCool
®
chiller
exposed to the water are type 316 stainless steel, pure
copper, and carbon steel. Other materials may exist external
to the ClimaCool
®
chiller. It is the users responsibility to
ensure these materials are compatible with the treated water.
Failure to provide proper water quality will void the
ClimaCool
®
module's warranty.
It is further recommended to seek an experts advice to
specify the appropriate water treatment required. Typical
additives to hydronic systems include rust inhibitors, scaling
preventative, antimicrobial growth agents, and algae preven-
tatives. Anti-freeze solutions may also be required to lower the
freezing point, based on the application.
Heavily-Contaminated Water
In such instances whereby the particulates in the water are
excessive it is recommended to install an intermediate plate
& frame heat exchanger to isolate the ClimaCool
®
chiller
from the building water system.
www.climacoolcorp.com
CAUTION
• Excessive Chlorine, Undissolved Solids and
other improper water quality conditions
WILL DAMAGE the internal heat exchanger and
WILL VOID YOUR WARRANTY!
• Please refer to the Installation and Operations
Manual for water quality parameters and
maintenance instructions.
For Warranty information, go to www.climacoolcorp.com
95B0051N01