Aerial AD 420 Manuel d'instruction - Page 9

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6.4 Hygrostat control

The air dryers of the AD-series dispose of a hygrostat for setting the required

humidity value. This hygrostat is located in the operation panel of the unit.

It makes that the air dryer cuts in as soon as the ambient humidity exceeds the

preset value. If the humidity value falls below the set value, the hygrostat will switch

off the unit.

The hygrostat is placed in the operation panel laterally at the unit.

Pos. 0

= Unit is switched off

Pos. 1

= Continues operation

80-100% = The dehumidifier switches off

when a humidity of approx.

80 - 95% r.h. has achieved.

And switches on again when

humidity is higher than 80-95%.

60 - 80% = The dehumidifier switches

off when a humidity of approx.

60 - 80% r.h. has achieved.

And switches on again when

humidity is higher than 60-80%.

40 - 60% = The dehumidifier switches off when a humidity of approx. 40 - 60% r.h.

has achieved. And switches on again when humidity is higher than 40-60%.

20 - 40% = The dehumidifier switches off when a humidity of approx. 20 - 40% r.h.

has achieved. And switches on again when humidity is higher than 20-40%.

The smooth setting option of the hygrostat makes a very convenient humidity

control possible for you. If very precise values are requested, you should match the

hygrostat with the information on a precise hygrometer.

Please consider:

Humidity values of a minimum of 40 % - 45 % r.h. can be achieved with a

condensation dryer. An adsorption dryer is to be employed if lower values are

required.

For this purpose, ask your technical consultant.

Optimal climate:

For living rooms, environmental conditions of 20° -25° C and 50 - 60 % r.h. are

recommended.

For building drying, the hygrostat becomes turned at continues running (POS. I).

In the case of the drying rooms with wood equipment (e.g. floors) or paintings,

antiques and similar things should not be fallen below a humidity of 55%.

Ask your technical consultant in the case of special applications.

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