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Operating Instructions | HERAcell
7
7
Handling and control (iCan™ touchscreen controller)
Handling and control (iCan™ touchscreen controller)
50115191 A / 08.2009
®
150i / 240i
7.9 Auto-start routine
The auto-start function is an automated routine for the start and the
subsequent adjustment of the CO
device control adjusts the temperature to the set value while humidity is
generated. When temperature and relative humidity have reached constant
values, the CO
values, and the work space is supplied with the preset quantity of CO
Application of the auto-start routine:
To ensure that the specified accuracy of the CO
system is maintained, the device should always be started
using the auto-start routine if
• a difference of more than 1 °C is entered upon setting the
temperature set value,
• the Low Humidity function is enabled/disabled,
• the device is restarted after an extended interruption of
operation.
The auto-start routine should be run at least every three
months on the occasion of cleaning and maintenance works.
Duration of the routine:
Running the routine usually takes 5 to 7 hours. At low room
temperatures and when the device is cold, it may take up to 10
hours until the auto-start routine has been completed. If the
glass door is opened or if the power supply of the device is
interrupted while the routine is running, the routine is
interrupted and rerun after the glass door has been closed or
the power supply has been reestablished.
Start conditions for the auto-start routine:
Prior to running the auto-start routine, set the CO
values to the desired values and make sure that the
atmosphere in the work space only consists of ambient air.
The floorpan of the device must be filled with a sufficient
quantity of water.
Conditions that prevent the start of the auto-start routine:
The auto-start routine cannot be started if one of the following
failure conditions exists.
Temperature control loop:
• Sensor breakage,
• actual value above set value (excessive deviation),
• actual value below set value (excessive deviation),
measuring system. After the start, the
2
measuring system is automatically adjusted to these
2
73
.
2
measuring
2
and O
set
2
2
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