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Description of the HEX 30 and its parts
Usage of HEX 30
The HEX 30 is used for ventilation of enclosures with electronics.
The unit cools down the air in the enclosure by letting the cold outdoor air cool down
the air flow from inside the enclosure. The cooling takes place in a heat exchanger.
Illustration, inter-
nal
This drawing illustrates the unit with its dif-
ferent parts, visible from the internal:
c
e
f
d
g
Parts
This table gives an overview of the main parts of the unit:
No.
Part
No.
Part
c
Internal fan
f
External fan
d
Control board with
temperature sensor
g
Drain hole (at the back of the unit)
e
Heat exchanger
-
-
Cabinet
The cabinet is made of made of alu zinc sheet steel.
Heat exchanger
The heat exchanger ensures that outdoor air is used to cool down warm internal air,
when both air flows passes each other.
Fans
There are two fans in the unit. The purpose of the fans is described below.
Internal fan
The internal fan draws air from the enclosure through the heat exchanger where the
heat is removed.
External fan
The external fan draws fresh outdoor air through the heat exchanger to cool down the
internal air.
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sion
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Drain
The drain is placed in the bottom of the cabinet, where water is let out of the unit.
