Operating Manual - John Morris Scientific

Manual operation
Recommendation:
Set the excess temperature protection >SafeTemp< at 5 to 10 °C above the
working temperature setpoint.
Warning:
The excess temperature protection >SafeTemp< should be set at least 25 °C below
the fire point of the bath fluid used.
In the event of wrong setting there is a fire hazard!
We disclaim all liability for damage caused by wrong settings!
Warn-Type: >Warning< or >Alarm<
For the two menu items >OverTemp< and >SubTemp< choose between a
warning message being signaled or a complete shutdown of the main
functional elements such as heater and circulating pump being effected.
OverTemperature: SubTemperature:
If for a sensitive temperature application task adherence to a working
temperature value >Setpoint< is to be supervised, then set high and low
temperature warning values.
In the example below, the >Setpoint< of 85 °C is surrounded by the values
>OverTemp< 87 °C and >SubTemp< 83 °C. The electronics immediately
registers when the actual temperature attains a temperature out of the
limits and it follows a reaction according to what is set in the menu item
>Warn-TypeWarning<
An audible warning (interval tone)
sounds and a meassage appears on
the VFD COMFORT-DISPLAY.
OverTemp SubTemp
XXXXX
WARNING
CODE 03
XXXXX
WARNING
CODE 04
Warn-Type: >Alarm<
A complete shutdown of heater and
circulating pump is effected.
An audible alarm (continuous tone)
sounds and a message appears on the
VFD COMFORT-DISPLAY.
OverTemp SubTemp
XXXXX
ALARM
CODE 03
XXXXX
ALARM
CODE 04
Press for help on the LCD.
Actual temperature
above high temperature
value.
Actual temperature
below low temperature
value.
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