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Proline heating thermostat
7.14.2
Low-level alarm and low-level checking
If the liquid level falls so far that the heating element is no longer completely cov-
ered with liquid, an alarm is initiated:
1.
The alarm sounds as a dual-tone signal.
2.
Display for
LEUEL
(low level) is shown when the bath contains too little
liquid.
3.
Red LED
above the fault triangle flashes.
Heater switches off on both poles,
Varioflex pump is switched off.
Find the cause of the fault and, where necessary, top up for missing heat
transfer liquid (
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 bath level. To do this, push hose
onto pump connector and pump heat transfer liquid into a suitable vessel.
Step 1 – 2 must follow.
With this test the bath temperature must not be below 0 °C or above max. 50 °C, otherwise
there is a risk of burning!
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.
Command
Low-level alarm!
Low-level alarm is shown in the display and signifies that unlocking is only possible on the
Master control panel.
Level alarm
LEUEL
°C
Содержание PROLINE P 5 C
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