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Product description
02.01
General
In regions with high temperatures and high humidity,
there is a risk of condensation water forming on the
cooling surfaces of a embedded radiant cooling
system. In addition, too much humidity can have
negative effects on thermal comfort. For this reason,
it makes sense to reduce the humidity in rooms.
The DHU C 24 L dehumidifier was specially developed
for use in combination with REHAU embedded radiant
cooling system. The external control of the unit is
taken care of using the REHAU control system
NEA SMART 2.0.
02.02
Components
The mode of this dehumidifier is the Air dehumidifica-
tion. The air is dehumidified, whereby the temperature
at the inlet and outlet is almost the same.
The dehumidifier consists of an air filter, a refrigerant
circuit, a water circuit that can be connected to the
cooling circuit of the embedded radiant cooling
system, a fan and an electronic unit.
The air filter ensures that the amount of dirt and dust
entering the machine is reduced. It must be cleaned
regularly. Please refer to chapter 04.03.
The water circuit, which can be connected to a
hydraulic circuit of the embedded radiant cooling
system, has two fin coil heat exchangers with air flow,
the pre-cooler and the post-cooler.
The refrigerant circuit consists of the following
components:
A fin coil heat exchanger with air flow where the air
is dehumidified, is the evaporator of the refrigerant
circuit. The required energy is extracted from the
environment. This is the so-called cold area.
The compressor of the circuit is a hermetic recipro-
cating piston compressor for building up the pressure
of the refrigerant.
Another fin coil heat exchanger with air flow is the
condenser of the refrigerant circuit, depending on the
operating mode. Heat is released during this process.
This is the so-called warm area.
For monitoring and controlling the machine, there is an
electronic unit with microprocessor and display.
The microprocessor controls the defrosting phases
as well as switching on and off of the compressor and
the fan.
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