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| User Manual
Start-up
24
BSP-MT
1-8/D3
LED Power (1)
LED is on when dryer is switched on.
Flow diagram (2)
The current operating phases of the dryer are indicated by means of 4 LEDs:
Depending on the operating phase, the following LEDs might be on simultaneously:
Adsorption B1 and regeneration B2 or regeneration B1 and adsorption B2.
Digital display (3)
The digital display shows the individual programme steps and the respective remaining time.
For details regarding the sequence of the individual processing steps and their duration,
please refer to the logic control diagram, page 51.
Display
Explanation
2
215
Default display: The fi gure to the left indicates the current processing step; the
fi gure to the right shows the remaining time in seconds.
In this example, step 2 is being completed, whereby there are 215 seconds
remaining.
SEr
After 8000 operating hours, “SEr.” (service) is displayed for periods of 1 minute,
alternating with the default display.
Notify the service personnel of the manufacturer, as a routine service is now
due.
-25
With the dewpoint-sensing control option, the display shows the currently
measured dewpoint instead of the default data. The range of display is 100 °C
(-148 °F) to +20 °C (68 °F).
If the measured dewpoint exceeds the preset alarm limit (5 °C (41 °F) above the
switchover value), the displayed dewpoint value is fl ashing.
With the optional dewpoint-sensing control, the following error messages might be dis-
played:
Display
Cause
+20 ◊
Upper measuring range limit exceeded
999
◊
Dewpoint sensor defective.
sens
o
-999
◊
Dewpoint sensor not powered
◊
Cable defective or disconnected
◊
Sensor defective
Vessel B1
Regeneration 1
Adsorption 1
Vessel B2
Regeneration 2
Adsorption 2
