drexel und weiss aerosmart L, Эксплуатация, техническое обслуживание и пусконаладка

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aerosmart - Operation, Maintenance and Commissioning Page 23
No Link (
or no text in the digital room operating panel
)
Fault with addressing the digital room operating panel; the digital room operating panel is
already correctly addressed on delivery. It is, however, possible that the message 'No link'
appears after commissioning or changing the room operating panel. To create a link to the
micro-processor controller, the address must be corrected on the operating panel:
Hold down the '
↓
', '
↑
' and '
↵
' buttons at the same time until the text: ' DISPLAY ADDRESS
SETTING ' appears.
b
Confi rm your selection by pressing '
↵
' (cursor fl ashes on the address)
b
Use the '
↓
', '
↑
' arrows to set the correct address (I/O board address 00: display address: 00
or I/O board address 01: display address: 32)
b
Confi rm the new value by pressing '
↵
'.
The following message appears: 'DISPLAY ADDRESS CHANGED'
b
The room operating panel now has the correct address and operates alongside the micro-
processor controller in the ventilation unit.
Other
The display shows '
Automatik
' but the compressor is not operating; Press '
↵
' (Enter) to
confi rm the operating mode change. To check this fault, press 'Esc' twice. The current operat-
ing mode will appear on the display.
After a fi lter change: check if the inspection cover is fully closed (contact switch).
Automatik Automatic mode
Faults in the Ventilation System
Noises
The unit is becoming louder by the day since its initial commissioning: exhaust air fi lter / sup-
ply air fi lter very dirty - fans working at an increased speed to try to achieve the minimum air
quantity. Check the condition of all fi lters.
Unit becomes louder during operation: impermissible resistance in an air line (e.g. contami-
nant blocking air inlets, outside air inlet frozen over in winter)