Siemens AVS75.39 Series User Manual page 184

Central functions
Action changeover
functions
Summer changeover
Changeover of operating
mode
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Siemens
Building Technologies
Line no. Operating line
6620 Action changeover functions
Segment ¦ System
6621 Summer changeover
Locally¦ Centrally
6623 Optg mode changeover
6624 Manual source lock
Local ¦ Segment
6625 DHW assignment
Local HCs ¦ All HCs in segment ¦ All HCs in system
6627 Refrigeration request
Locally¦ Centrally
6630 Cascade master
Always ¦ Automatically
6631 Ext source in Eco mode
Off ¦ On DHW ¦ On
6632 Note OT limit ext source
No I Yes
These settings are only relevant for device address 1.
The range of action for the central changeover functions can be defined.
This applies to the following types of limitation:
Summer changeover (when selecting "Central" on line 6623)
Summer changeover (when selecting "Centrally" on operating line 6621)
Choice of settings:
Segment
Changeover takes place with all controllers in the same segment.
System
Changeover takes place with all controllers in the entire system (that is, in all
segments). For that, the controller must be located in segment "0".
The range of action of summer changeover is as follows:
Locally
Local action; the local heating circuit is switched on and off according to operating
lines 730, 1030, and 1330.
Centrally
Central action; depending on the setting made on operating line "Action
changeover functions", either the heating circuits in the segment or those of the
entire system are switched on and off according to operating line 730.
The range of action of operating mode changeover via input Hx is as follows:
Locally
Local action; the local heating circuit is switched on and off
Centrally
Central action: Depending on the setting made on operating line "Action
changeover functions", either the heating circuits in the segment or those of the
entire system are switched on and off.
User manual RVS43.345
The settings in detail
CE1U2354en_021
2013-09-02