T2750 with PIDLoop Heating PID Cooling VPB

T2750 with PIDLoop Heating PID Cooling VPB
The valves with feedback are working inverted, that means 0% = 20 mA 100% = 4 mA

Heating with PID
Cooling with VPB
In normal edit mode it is not possible to set the OutputLo to -80%
If I go to Online Connect mode and the loop is at cooling or near 0 I can set it to -80%
If I am at heating it is also not possible.

How can I change the OutputLo to -80% in normal edit mode?
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