OPERATION AND OPERATOR CONTROL
Page 21 of 32
Hygrostat control
Fig. 6: Series AD420 / 430 hygrostat
The hygrostat controller of the air dehumidifier can be used to set the desired
humidity value. The hygrostat is arranged clearly visible in the operating panel.
Continuous adjustment of the hygrostat allows for easy humidity control.
Hygrostat:
Hygrostat position
Significance, air dehumidifier response
Position
0
Air dehumidifier ready for operation,
Position
I
Air dehumidifier running in continuous mode
Position
80% - 100%
The air dehumidifier will switch off at a relative
humidity of about 80% - 95% and switch on again
when a humidity of 80% - 95% is exceeded.
Position
60% - 80%
The air dehumidifier will switch off at a relative
humidity of about 60% - 80% and switch on again
when a humidity of 60% - 80% is exceeded.
Position
40% - 60%
The air dehumidifier will switch off at a relative
humidity of about 40% - 60% and switch on again
when a humidity of 40% - 60% is exceeded.
Position
20%
- 40%
The air dehumidifier will switch off at a relative
humidity of about 20% - 40% and switch on again
when a humidity of 20% - 40% is exceeded.
If very precise setting values are required, use a hygrometer with a
precise humidity display to set the hygrostat.