EN | Operating manual Options
18 WVM 45 -1450
Options
The following options are available
◊ Pressure dewpoint control (included)
◊ Insulation and protection against contact (included)
◊ Adaptation for outdoor installation
◊ Auxiliary heating system, anti-freeze protection
◊ Intake lter for regeneration air
◊ Loop regeneration
◊ Steam heat exchanger instead of electric heater
◊ Steam/electric heater combination
◊ Paint compatible variant
Pressure Dewpoint control (included)
A pressure dewpoint control lets you also operate the dryer in a variable cycle. In the xed
cycle, switchover is effected after a xed time period (usually after 6 hours). In the variable
cycle, the switchover is effected in relation to the dew point reached and the charging of the
drying agent . The adsorption time in the variable cycle amounts to 24 hours maximum.
Insulation and protection against contact (included)
By insulating the dryer, its energy consumption during the heating phase of the regenera-
tion can be considerably reduced. Insulation is mandatory in order to reach deep pressure
dewpoints and if the dryer is subject to frequent change of air (wind, draught, etc.) at the
installation site.
For PDP<-40° model install the dedicated version.
The following components should be insulated::
◊ The vessels of the dryer
◊ The heater
Adaptation for outdoor installation
The standard dryer is designed for installation in con ned places and not for outdoor opera-
tion because the following factors affect its function and service life:
◊ Humidity from rain (or other precipitation)
◊ Corrosion due to high humidity or salt content in the ambient air
◊ Freezing of valves, taps, aps and other components at low temperatures.
If you intend to install the dryer outside your premises, always consult the manufacturer prior
to installation in order to agree on special design measures as regards the equipment and the
site where you wish to install the dyer.
Auxiliary heating system / anti-freeze protection
For installation at locations where temperatures below +1 ºC are to be expected, the air
inlet piping of the dryer (or the inlet piping to the preliminary lter system, if any) must be
equipped with an auxiliary heating system in order to prevent the freezing of valves, taps,
aps and other components.
A planned frost-proof variant must therefore be always discussed with the manufacturer in
order to be able to implement speci c design features.
Intake fi lter for regeneration air
The intake lter removes solid impurities (e.g. dust) from the regeneration air before it reaches
the dryer.
The intake lter is ange mounted and can therefore only be installed in conjunction with a
intake socket (see before).
Closed circuit regeneration (loop cooler)
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