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After changing a parameter, press Enter to save the new value.
5.3
Running condition
The actual running condition can at any time be read in the MMI STCU. From the main menu the sub menu
Technical data is selected. The sub menu Processor is selected.
The menu point Mode provides information about the actual running condition as a number between 0 and
9:
0:
The ventilation unit is stopped.
2:
The ventilation unit runs with the function cooling at summer nights.
4:
Auto, ventilation unit controlled by the MMI STCU.
5:
Man., ventilation unit controlled by the function switch S1 in position MAN.
6:
After run on fans.
7:
Fan failure.
8:
Fire thermostat failure.
9:
Frost thermostat failure.
Installation and service manual
Version 2.5
Important!
Main menu
Technical data
Processor
Run time
Comm error %
STCU CpuVer
STXC CpuVer
STPT CpuVer
STHP CpuVer
STIO CpuVer
Mode
Monday 12:21
00023
034
017
015
011
021
19
9
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