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Installation
Installation and service access
The DehuTech Dehumidifier is designed for
indoor installation, and must be installed in an
upright position, preferably bolted to the floor.
Ensure a space of 1000 mm above the
dehumidifier for inspection and service.
Duct connection for permanent installation
The dehumidifier can be installed in the room
that should to be dehumidified or in a separate
room.
To obtain the best performance the outlets from
the fans should be equipped with diffusors.
Wet air duct out from dehumidifier
The wet air from the dehumidifier should be
exhausted to the outside. The duct should be as
short as possible to minimize the chance of
condensation of the wet air. This duct should
slope down slightly to stop any condensed water
from flowing back into the dehumidifier.
If the wet air duct is extremely long, or must be
installed sloping upwards from the dehumidifier,
it should be insulated and have a drainage point
(2-4 mm) drilled at its lowest position.
The exhaust opening should have a coarse wire
net.
Reactivation air into the dehumidifier
The reactivation air duct into the dehumidifier
should be as short as possible. The intake
opening of the duct should have a coarse wire
net, to stop foreign objects from entering the
dehumidifier. No insulation is needed and the
duct can slope up- or downwards. In some
installations, as an alternative, the reactivation
air can be taken from the installation room. For
this alternative no duct connection is needed.
© 2016 DehuTech AB - Subject to change without notice
A damper should be installed in the reactivation
air duct to enable correct setting of the
reactivation air volume during commissioning.
Process- and dry air with the dehumidifier
installed in the dehumidified room
When the dehumidifier is installed in the
dehumidified room space it would normally
take the process air direct from the room
without any duct system, with only a protection
net for the inlet required. The dry air outlet
would normally have a duct system designed
for distribution of the dry air in the building.
Process- and dry air with the dehumidifier
installed outside the dehumidified room
When the dehumidifier is installed in a separate
plant room all inlet and outlet openings are
usually ducted.
The dehumidifier takes the process air as
ambient
air,
or
(cooled/heated), or alternatively as return air
from the dehumidified room. The dry air from
the dehumidifier can be connected for post
treatment or ducted back to the dehumidified
room.
A damper can be installed in the process air duct,
enabling correct commissioning of the dry air
volume.
Electrical installation
See the electrical wiring diagram in appendix 1.
as
pre-treated
air
DT-3500 - 7
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