Ultra quiet. ultra green effi ciency, Ultra – ClimaCool UGW Optimized Quiet Screw User Manual
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The ClimaCool® Ultra Green Chiller Solution, model 
UGW, utilizes the most advanced technology 
compact quiet screw compressor. It is economized 
and optimized for water cooled applications using 
R-134a non-ozone depleting refrigerant. The low 
noise level - 73 dBA per AHRI 575 - allows placement 
fl exibility for applications with sound sensitivity 
requirements while also helping to gain signifi cant 
LEED points in multiple categories.
Ultra...
Effi cient
Compressor profi les specifi cally tuned
for R-134a and water cooled optimization creating 
maximum full and part-load effi ciency.
Performance
Infi nite unloading accurately
tracks changing load profi les and provides precise 
leaving water temperatures.
Serviceable
Unique design allows access
to all major components without removal from 
the bank. 
Environmentally Friendly
Micro charge
of chlorine-free and non-ozone depleting 
R-134a refrigerant.
Compact
Small footprint allows access through
any standard doorway reducing installation cost 
and restrictions on placement.
Expandable
Modular, easy connect design
simplifi es installation, service and controls which 
enables the system to incrementally grow from 
80 - 640 tons per bank as your load increases. 
Maneuverable
Chiller modules include base
cutouts and are easily transported with standard 
forklifts or pallet jacks.
Redundant
Separate module electrical feeds
permit maintenance of one module while the 
remaining chiller system continues operating.
Reliable
Proven rotary optimized quiet screw
compressor technology and stainless steel brazed 
plate heat exchangers provide ultra low maintenance 
cost and minimal down time.
Low Oil Circulation Rate
Less than ½ of
one percent, which is low enough to save valuable 
pumping horsepower without jeopardizing proper 
lubrication of critical seals and components.
Durable
Heavy gauge G90 galvanized steel bolted
base and framework with a protective powder coat 
paint for durable and long lasting fi nish. Schedule 40 
carbon steel pipe water headers with 300 psi rated 
grooved coupling connection on both water circuits.
Integrated CoolLogic Control System
Infi nite unloading and optimum part-load effi ciency, 
incremental water fl ow and precise temperature 
control. BAS interface via native BACnet, LonWorks, 
Modbus and N2 communication which reduces 
overall building energy usage.
Three (3) 80 ton modules totaling 240 tons capacity.
Modules are confi gurable up to 640 tons per bank.
Ultra Quiet.
Ultra Green Effi ciency.