Lauda PROLINE Kryomats RP 4050 C Operation Manual page 89

Overtemp. cut-off
90
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

Overtemp. alarm
tEMNP
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 Before longer periods of unsupervised operation, the overtemperature protection should be checked.
03/2022
 Setting the overtemperature cut-off: Recommended setting: 5 °C above
desired bath temperature.
 Caution!! The overheat switch-off point T
functioning independently of the bath control. Setting of the nominal
temperature, however, can be limited via the functions T
independently of T
°C
 The cut-off point is displayed in the LED display on pressing the key
Changing the overtemperature cut-off point:
 For safety, and to guard against unintentional adjustment, the key
be held pressed during all the following entries. Now, briefly press
display flashes and the overtemperature cut-off can be set with the keys
 Quit the change mode by pressing
after 5 seconds, while you keep
 This somewhat complicated procedure is intended to prevent unintentional
adjustment.
 Set the overtemperature switch-off point T
 The setting range is restricted to 5 °C above the upper limit of the working temperature range
(Tih  7.6.2).
 If the bath temperature rises above the overtemperature cut-off:
1. Alarm sounds as dual-tone signal.
tEMNP
2.
3. The red LED
°C
 Heater switches off on both poles,
 Pump and refrigerating unit are switched off electronically.
 Rectify cause of fault.
 Wait until the bath temperature has cooled below the cut-off point or set
the cut-off point higher than the bath temperature. When
shown in the display:
 Unlock with the
Unlocking is not possible on the Command remote control!
To do this:
 Slowly lower T
 Cut-off at the bath temperature should occur.
.
max
or .
below the flash point of the heat transfer liquid.
max
for overtemperature appears in the display.
above the fault triangle
key.
, as described above.
max
Proline Kryomats
is controlled by a system
max
and T ( 7.6.2)
ih il
for a few seconds or automatically
pressed.
flashes.
tEMNP
.
must
. The
is
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