Manual operation
28
6.3.3.
Setting the safety temperatures
F G
)
This safety function is
independent
of the control
circuit.
n
Press the desired setpoint key (F, G).
Follow the instructions under section 6.3.1.
page 26
o
p
q
Recommendation:
Set the high temperature limit at least 5 K above the
actual bath temperature.
Set the low temperature limit at least 5 K below the
setpoint.
+
ACTUAL
SET
When the temperature of the bath liquid reaches the
limits of the safety values, a complete shutdown of the
circulating pump, heater and cooling compressor is
effected.
The alarm light illuminates and an audible signal is
triggered. An error message appears on the MULTI-
DISPLAY (LED 2)
(see page 32).
Turn the mains switch (1.) off and on. The alarm state
is cancelled and the circulator is put back into
operation.
(Switching on - see page 24).
6.3.4. Low
liquid
level protection
+
ACTUAL
SET
As soon as the bath liquid falls below the "MIN"
level (10.), a complete shutdown of the circulating
pump, heater, and cooling compressor is effected.
The alarm light illuminates and an audible signal
is triggered. An error message appears on the
MULTI-DISPLAY (LED 2)
(see page 32).
