Key lock (P15)

The "Key lock" function is enabled by P15.

P15 can be configured as following:

P15

 

1

Unlock

2

Lock

3

Lock, except setpoint

4

Lock setpoint

5

Lock fan

6

Lock operating mode

When P15 is set to 3…6, the related function is locked.


Key lock command

The Key lock command is also possible via bus.

The last key lock command is always used, either from the local HMI or bus.