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Ø Check whether the bucket is placed in the unit or a drain hose has been
fastened and laid appropriately.(refer to 5.7)
Ø Set the required humidity value at the hygrostat (refer to 5.5).
Ø If the existing humidity is higher than the set value, the air dryer will start to
operate.
If the existing humidity is lower than the set value, the air dryer will not start to
operate.
Ø The fan starts first and the compressor will start after approx. 3 Minutes.
5.4 Operation panel
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1 – neon green: Unit is ready for operating / Voltage is connected
2 – chart with neons: Shows the approx. Humidity of the ambient air (in % r.h.)
3 – neon green: Dryer is in defrost mode (fan is still working / compressor does
not work)
4 – neon red: tank is full
5 - Hygrostat with knob and chart (refer to 5.5)
5.5 Hygrostat control
The air dryers of the DH-series dispose of a hygrostat for setting the required
humidity value. This hygrostat is located at the rear side of the unit, in the bucket
compartment. 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 complete dryer.
The hygrostat is placed in the operation panel
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