Safety installations, warning functions
30
8.
Safety installations, warning functions
Check the safety installations at least twice a year! Refer to ( page 17)
Settings for the excess temperature protection >
tSA
<
and for the warning functions for high >
tHi
< and low >
tLo
<
temperature are made in a menu which is called up by pressing the
key
.
Menu item > Aty (ALARM-TYPE)< allows choosing between a
warning and an alarm cut-off for the menu items > tHi < and >tLo<.
8.1.
Excess temperature protection
This excess temperature protection is independent of the control
circuit. When activated heater and circulating pump are
completely shut down.
The alarm is indicated by optical and audible signals (continuous
tone) and the error message "ALARM-CODE
14
" appears on the
MULTI-DISPLAY (LED)
Setting range: 20 °C ... 230 °C
L
Rough setting can be effected by using the temperature scale.
Exact setting:
1. Press the key
to display menu > tSA <.
2. Press the
key and the set shutdown value is indicated.
Set the new shutdown value within 30 seconds using a
screwdriver. The value is indicated on the MULTI-DISPLAY (LED)
Example: >tSA< / 100 °C
Recommendation:
Set the excess temperature protection at 5 °C to 10 °C above the
working temperature setpoint.
Warning:
The excess temperature protection
must
be set at least 25 °C below the fire
point of the bath fluid used!
In case of wrong setting there is a fire hazard!
We disclaim all liability for damage caused by wrong settings!