Drive motor
The 3-phase gear motor with belt pulley
and v-belt is installed on a rocker in
the corner of the casing. The speed
of rotation is innitely adjustable.
Peripheral slide seal
Constant-force springs permanently press
the abrasion-resistant ring seal against the
casing. The patented system permanently
minimises leakage and allows the unit
to be sized for smaller air ow rates.
Adjustable purge sector
The size of the purge sector can be adjusted
to suit requirements. The device (patent
pending) prevents contamination of the
supply air by the extract air and at the same
time minimises purge and energy loss.
Storage mass
Hoval supplies the storage mass in three types of
material: for condensation, enthalpy and sorption
wheels. The sorption coating guarantees a consist-
ently high degree of humidity efciency, even under
summer conditions.
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