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Building Technologies Division User Manual LMS14… CC1U7471en
6 The settings in detail 28.01.2015
Line no. Operating line
6620 Action changeover functions
Segment
System
The range of action of central changeover can be defined.
This applies to the following types of limitation:
Optg mode changeover (6623) via input H (when selecting Centrally)
Summer changeover (6621) (when selecting Centrally)
Entries:
Segment
Changeover takes place with all controllers in the same segment.
System
Changeover takes place with all controllers in the entire system (in all segments). The
controller must be located in segment 0!
Line no. Operating line
6621 Summer changeover
Locally
Centrally
The controller can only use summer changeover on local heating circuits or – via LPB –
on other controllers in the same segment or system.
The scope of summer changeover is as follows:
Locally
Local action: The local heating circuit is switched on and off according Summer/winter
heating limit (730, 1030, 1330).
Centrally
Central action: Depending on the setting made on Action changeover functions (6620),
either the heating circuits in the segment or those of the entire system are switched on
and off.
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