Setting the safety value:
Select the Over-temperature protection from the main menu. Choose the menu point
OT limits: heating. A code generator (random generator) will give out a code via the
graphics display. This code has to be entered when requested (a deliberate and knowing
action). This procedure replaces the usual setting by means of a tool (screw driver).
Afterwards the new safety value can be entered.
Setting the OT Mode:
Information! Standard setting is Stop to DIN EN 61010. Please note that
after a default setting the over-temperature protection will be set to Stop
according to DIN EN 61010!
Select the Over-temperature protection from the main menu. Choose the menu point
OT mode. A code generator (random generator) will give out a code via the graphics
display. This code has to be entered when requested (a deliberate and knowing action).
This procedure replaces the usual setting by means of a tool (screw driver). Afterwards
the new safety value can be entered.
Stop according to DIN EN 61010
When the cut-off temperature is reached, heating, cooling and pump are all turned off
(Default setting).
Cut-off mode: Process Safety
When the cut-off temperature is reached the heating is turned off, but the cooling (at
maximum power) and pump remain on. The full cooling capacity of the unit remains
available for emergency cooling (possible exothermic reaction). Please ensure that the
compressor automatic is switched to always on using the menu point Compressor
automatic (F35). Please also see description on chapter Comfort menu for the
respective Function numbers and their meanings.
Display all OT values:
The present measured temperature of the over-temperature sensors, the trip
temperature set and the cut-off mode are displayed.
Please note, that some units use two over-temperature sensors. When selecting Display
all OT values both values will be displayed.
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