Aerial DH20 Series Manuel d'instruction - Page 9

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Instruction manual condensation dryer DH 10 / DH 20
8 Trouble shooting
trouble
The dehumidifier shows a
bad and/or no drying
capacity.
The automatic circuit breaker
of the building disturbs the
voltage supply to the device.
The compressor of the dryer
is out of operation. The fan is
still running.
It occurs an unusual, strong
noise formation
The complete dryer is out of
operation
from Serie July 2003
Pos.
Cause
1
The humidity in that room is
lower than 40% r.h. .
2
The air filter is soiled
3
The temperature in that
room is lower than +15°C.
4
A mistake in the cooling
circuit of the dryer is
possible.
5
The safeguard of the
building is too weak.
6
A malfunction in the
electrical circuit of the dryer
is available.
7
The dryer is in the defrost
mode
8
One or several case screws
are not tightened correctly.
9
The dryer is switched off
10
The humidity adjusted at the
hygrostat is achieved.
page 8
AERIAL GmbH
Relief
The effort of the dryer is
uneconomical in the case of these
conditions. It is recommended to
disconnect the dryer. Tipp: Put
the built-in hygrostat on an
attainable value (e.g. approx.
50%r.F.), with it the dryer
punctually may switch off.
The dryer does not receive air
sufficiently. Clean the filter and/or
install a new one. A soiled air filter
can in the long run lead to
disadvantages at the dryer. Tipp:
Control the filter regularly.
In the case of these conditions,
the capacity of DH-types is very
small on account of the design of
the refrigeration components and
the automatic defrosting. We only
recommend DH series for heated
rooms with temperatures >= 15°C.
The defect must be eliminated by
an expert.
The building safeguard must be
checked and/or transposed.
The voltage supply of the dryer
must be disturbed. (Pull power
plug!) The defect must be
eliminated by an expert.
The compressor starts again after
some time. The time depends on
the room temperature. If it does
not start again, the defect must be
eliminated by an expert.
The slack case screws must be
tightened correctly.
Switch on the unit at the hygrostat
The dryer turns on automatically
after exceeding the adjusted
humidity again.