
MV / MW
17
6.5.
Setting the safety temperature (with shutdown function)
!
+
))))
(excess temperature protection / low liquid level
protection)
These safety installations are independent of the control
circuit. When the temperature of the bath liquid has
reached the safety temperature or the liquid level is
insufficient, a complete shutdown of the heater and
pump is effected.
The alarm is indicated by optical and audible signals
(continuous tone) and on the MULTI-DISPLAY (LED)
appears the error message "
E
rror
01
".
1. Excess temperature protection
•
Press the key to indicate the safety temperature value
on the MULTI-DISPLAY and using a screwdriver
simultaneously turn the setting screw to the desired
value (example: 50 °C).
Setting range:
20 °C to 210 °C in 2 °C steps
Recommendation:
Set the safety temperature at 5 to 10 °C above the
working temperature setpoint.
Example:
Setting the warning functions and
the safety temperature
t
°C
39
37
35
20
50
2. Low liquid level protection
•
This device is triggered when the float reaches a fixed
minimum liquid level.
The excess temperature protection should be set at least 20 °C
below the fire point of the bath liquid used.
In the event of wrong setting there is a fire hazard!
We disclaim all liability for damage caused by wrong settings!