21
It is possible to include an extern alarm sign (24 VDC) via potential free output to the control unit. The error message output of
the control unit has a break contact (open in case of alarm). The error message remains open until it has been manually deac-
tivated in the control unit (please see o
peration manual GWM
).
The alarm contact is directly connected to the control unit. Please follow below steps:
•
Switch off control unit from power supply.
•
Remove the 6 allen screws (size 2) at the control unit to remove cover plate.
•
Insert alarm cable through corresponding cable connection at the bottom side of the control unit (please see Figure
•
Connect extern alarm cable at following inputs at Crouzet controller:
24VDC+ and I1.
Please see Figure 17
•
Close control unit by mounting the cover plate (use the 6 allen screws).
•
Switch on control unit.
Figure 17: Connection of external alarm input at Crouzet controller input 24VDC+ and Input 1.
5.12.
Extern alarm input
The extern alarm input needs to be activated at the control unit. For activation please heed the corresponding
Operation manual GWM
.