Heating / Open-bath circulator
External
Object
DK15
Unit Description
6
4. Unit Description
Immersion and flow-through coolers with air-cooled cooling
compressors are suitable for various cooling applications.
This cooler range offers individual solutions for the following
applications:
• Cooling smaller systems down to –30°C.
• Removing reaction heat.
• Replacing tap water cooling for open-bath and heating
circulators.
• Creating constant temperature conditions.
The lowest temperatures which can be reached using these
coolers, respective cooling down times and temperature ac-
curacy depend on the following factors:
• The volume of heat transfer liquid.
• The type of heat transfer liquid and it’s viscosity at the
desired temperature.
• The bath vessel and covering insulation.
• The heat created by units immersed in the bath used
to recirculate the heat transfer liquid.
4.1
Flow-Through Cooler DK15
The DK15 is designed to be integrated within the heat trans-
fer liquid circuit of e.g. a heating circulator. The heat is re-
moved from the heat transfer liquid as it is pumped through
the cooler.
The coolant and insulating materials are CFC-free.
R134a is used as the coolant.
The flow-through cooler requires an external pump (e.g. the
circulation pump of a heating circulator). Anti-freeze must be
added if water is to be used as the bath liquid.
Flow-through cooler DK15 set-up
The cooler is positioned at the return flow hose between the
heating circulator and the external object to be temperature
controlled.
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