2
Safety instructions
4
Assembly, start-up and operation of this
device may only be performed by trained
and experienced personnel familiar with
this product. Proper transportation and
storage are assumed.
4
The controller is intended for use in elec-
trical power installations. For wiring and
maintenance, you are required to observe
the relevant safety regulations.
4
In automatic operating mode (time-con-
trolled operation), the device ensures that
all protective functions that are vital for
the system are monitored. Safety features
such as frost protection monitoring and
excess temperature protection, however,
are not active in the following cases: de-
fective controller and failure of function;
defective sensors or sensors that are not
connected or have not been deactivated;
lack of operating voltage to the controller.
4
The installation and electrical wiring de-
scribed in these instructions should only
be performed by authorized personnel.
4
Changing function blocks and their pa-
rameters (see Appendix A) requires spe-
cialized knowledge of ventilation systems
and should only be performed by trained
staff.
6
EB 5177 EN
Safety instructions
