Proline Kryomats
YAUE0007 / 2/26/2009 Starting up 77
− Slowly lower T
max
, as described above.
Æ Cut-off at the bath temperature should occur.
− Step 1 – 2 (see above) must follow.
− Set the overtemperature cut-off higher than the bath temperature again
and wait until
rDLMO appears in the display.
− Unlock with the
key.
Unlocking is not possible on the Command control elemant!
Command
− Overtemperature alarm!
− Overtemperature alarm! is shown in the display and signifies that
unlocking is only possible on the Master control panel.
7.12.2 Low-level alarm and low-level checking
¾¾
− If the liquid level falls so far that the heating element is no longer
completely covered with liquid, an alarm is initiated:
1. The alarm sounds as a dual-tone signal.
2. Display for
KDTDK (low level) is shown when the bath
contains too little liquid.
3. The red LED
above the fault triangle flashes.
Æ Heater switches off on both poles,
Æ VarioFlex pump and refrigerating unit are switched off.
− Find the cause of the fault and, where necessary, top up for
missing liquid Ö 6.2 and 6.3.
−
Press the Enter key.
− Also, pre
ss this key if the unit has been switched off in the fault
state.
)
− Checking the safety system at regular intervals by lowering the bath level. To do
this, fit a hose to the drain point and slowly run off the heat transfer liquid into a
suitable container via the drain-point tap at the front.
− Step 1 – 2 must follow.
− With this test, the bath temperature must not be below 0 °C or above 50 °C,
otherwise there is a risk of injury!
− If irregularities arise during the checking of the safety devices, switch off the unit
immediately and pull out the mains plug.
− Have the equipment checked by LAUDA Service for Constant Temperature
Equipment.
Command
− Low-level alarm!
− Low-level alarm! is shown in the display and signifies that
unlocking is only possible on the Master control panel.
7.12.3 High-level settings
Level alarm
KDTDK
°C
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