REMKO ETF 400 - Manual (Page 8)

Unit description
The units have been designed for
universal and straightforward air
dehumidification.
Their compact dimensions allow
the unit to be transported and set
up with ease.
The units operate in accordance
with the condensation principle
and are equipped with
a hermetically sealed refrigerant
system, low-noise and low-
maintenance fan, operating hours
counter and connection cable with
plug.
Fully-automatic operation,
a condensate container with
integrated overflow protection
in addition to connection ports for
direct condensate drainage help
to ensure continuous fault-free
operation.
The units conform
to the fundamental health and
safety requirements of the
appropriate EU stipulations.
The units are dependable and offer
ease of operation.
Locations at which units are
used
The units are used in all locations,
where dry air is a must and where
economic consequential damage
(such as that caused by mould)
must be prevented.
The units may be used for
the drying and dehumidification
of areas such as :
■ New buildings, industrial
buildings
■ Basements, storage rooms
■ Archives laboratories
■ Weekend homes, caravans
■ Bathrooms, wash rooms
and changing rooms etc.
back to normal dehumidification
mode.
If the room temperature
is sufficiently high, the surface
of the fins will not be cold enough
for rime formation to occur,
rendering defrosting unnecessary.
Therefore, the air dehumidifiers
work economically.
The cooled and dehumidified air
is re-heated by the condenser
(heat exchanger), and blown back
into the room through the outlet
grille. The processed, dry, heated
air then re-mixes with the room air.
Continuous circulation of the room
air through the unit gradually
reduces the relative humidity
(% RH) in the room to the desired
humidity level
Depending on the room
temperature and the humidity,
only 30 - 40% electrical energy
is required, in accordance with
the output of the unit.
Operating sequence
The unit is switched on by pressing
the operating switch. It then
operates in continuous fully-
automatic operation.
The fan extracts the moist room air
through the dust filter, evaporator
and the condenser behind.
Heat is removed from the room air
on the cold evaporator. The air is
then cooled to below dew point.
The water vapour contained
in the room air is then
deposited as condensate or rime
on the evaporator fins.
If the temperature sensor here
measures a pre-set minimum,
it activates a time relay.
If the evaporator temperature
stops increasing during this period,
the cooling cycle switches to hot
gas defrosting after the timer
cycle.
The fan remains out of operation
during the defrosting phase.
As soon as the rime (ice) has been
defrosted and the temperature
at the sensor has increased above
a pre-set level, the unit switches
Schematic depiction of the workings of a REMKO air dehumidifier
Condensate
container
Moist room air dehumidified
room air
Compressor
Condenser
Evaporator
Fan
8
REMKO ETF 400