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Integral XT
YAWE0028 / 24/06/2016
Starting up
107
2. Display for
LEUEL
(low level) is shown when the expansion
vessel contains too little liquid.
3. The red LED
above the fault triangle
flashes.
à
Heater switches off on both poles;
à
Pump and refrigerating unit are switched off electronically.
−
Rectify cause of fault (
þ
9.4).
−
Press the enter key.
−
Also press this key if the unit has been switched off in the fault
state.
+
−
Checking the safety system at regular intervals
by lowering the expansion vessel
level. For that purpose do
not
use the draining program.
−
Step 1 – 2 (see above) must follow.
−
With this test the outflow temperature must not be below 0 °C or above max. 50 °C,
otherwise there is a risk of burning! Besides which, the device can be damaged.
−
If irregularities arise during the checking of the safety devices, switch off the unit im-
mediately and pull out the mains plug.
−
Have the equipment checked by LAUDA Service.
Command
Low-level alarm!
−
Low-level alarm! is shown in the display and signifies that unlocking is on-
ly possible on the Master control panel.
7.16.3 High-level settings
Different reactions can be chosen when the level sensor detects the height of the bath liquid level. De-
pending on the setup, heat transfer liquid or operation conditions, one of the following settings may be
suitable:
Setting
Command
settings
Reaction and application recommendation
No warning
none
Select only when no safety sensitive application.
Warning
Warning
Acoustic and optical warning as long as the level goes down. This is
the factory setting.
Warning and
heater off
W
heater off
Warning
and additional
heater off
as long as the level goes down.
Alarm
Alarm
Alarm
switches off the pump and the heater until the alarm is re-
moved by pressing
on the Master keyboard.
Level alarm
LEUEL
°C
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