Operation Manual

B - 5 Operating manual dehumidifier TTR 5000
G
B - 6 Operating manual dehumidifier TTR 5000
G
04. Structure of the dehumidifier
Housing framework made from welded galvanised steel section.
Double-layer panel elements with sound or heat insulation, approx. 30
mm thick. The panel are set airtight into the frame construction and
are removable on the operating side. All housing parts are resistant to
temperature and moisture. The operating side is designed such that all
maintenance work can be carried out without a problem.
Rotor (drying wheel; sorption unit)
The dehumidifier is equipped with a patented silicate rotor. The rotor
is composed of layers of flat and corrugated non-woven fabric made
of chemically bound silica gel and metal silicate. This creates a large
number of axially aligned air ducts with a large surface area and a
direct connection to the internal void structure of the silicate. This ena-
bles good transition of the water vapour and allows for the unusually
high degree of adsorption of the silicate rotor.
Due to the special production process of the material, the silicate is not
destroyed by saturated air. The dehumidifier can therefore be operated
with pre-cooling. Even the failure of the heating or of the air stream for
regeneration does not cause damage.
Accumulated dust on the rotor surface can be removed with water if
the rotor is saturated. Oily deposits can be cleaned using solvents or a
non-alkaline detergent.
Due to the fixed bonding of the silica gel to the substrate material,
no sorbent is carried out with the air stream. Even when the rotor is
at a standstill there is no over-saturation; therefore, no special safety
precautions are necessary. The rotor has a high mechanical strength
and is not combustible.
The rotor is driven by a geared motor via a toothed belt. A tension
spring prevents the toothed belt from slipping, as well as preventing
overloading of the motor. The function and correct direction of rotation
can be checked at any time through the sight glass.
The rotor bearing consists of a temperature-resistant stainless steel
axle and plain bearing.
The rotor is sealed by a floating ring seal with automatic com-
pensation.
The process air fan and regeneration fan are implemented as sin-
gle-sided sucking radial fans, with an impeller installed directly on the
motor shaft. Three-phase standard motor, IP54, ISO F.
The regeneration air heater is implemented as an electric element
heater. It is constructed from individual chrome/nickel heating ele-
ments. The individual heating elements are electrically connected to
form 3 heating stages.
alternatively:
implementation as galvanised steel steam heater. The steam and con-
densate connections are fed airtight out of the housing and provided
with flange and counter-flange.
Thermostats function as overheating protection and safety tempera-
ture limiters.
In order to protect against unacceptably high operating temperatures,
a safety thermostat and a maximum temperature limiter are mounted
at the air inlet and outlet of the regeneration air heater.
A temperature limiter is mounted in the regeneration air exhaust and
functions as a rotation monitor.
The control cabinet is located on the top. The indicator lamps and
switches are installed in the service doors. Refer to the circuit diagram
in the appendix for the individual electrical functions.
1. Control cabinet
2. Regeneration air outlet
3. Regeneration air inlet
4. Process air inlet
5. Process air outlet