Siemens AVS75.39 Series User Manual page 185

Manual source lock
DHW assignment
Refrigeration request
Cascade master
Ext source in Eco mode
Siemens
Building Technologies
The range of the generation lock via H input is as follows:
Local entry
Local action; the local source is locked.
Entry segment
Central action; all sources of the cascade are locked.
Assignment of DHW heating is required only if it is controlled by a heating circuit
time program (refer to operating lines 1620 and 5061).
Setting:
Local HCs
DHW is only heated for the local heating circuit
All heating circuits in the segment:
DHW is heated for all heating circuits in the segment
All HCs in system
DHW is heated for all heating circuits in the system.
With all settings, controllers in holiday mode are also considered for DHW heating.
"Refrigeration request K28" sets the relay parameter at the QX.. for the output of
the refrigeration request.
Depending on the setting (locally / centrally) the request is delivered by the local
cooling circuit or all cooling circuits in the system. This option only applies to the
device with device address 1.
Local entry
Only cooling circuit 1 is considered.
Central entry
Consideration is given to all refrigeration requests from the system
The menu "Cascade" (line 35100-3590) can always be displayed or only under
certain circumstances.
Always
The menu "Cascade" is always displayed even when the controller is not the
cascade master.
Automatically
The menu "Cascade" is only displayed when the controller is the cascade master.
Economy mode can be selected from menu "Special operation / service" (operating
line 7120).
In Economy mode, external heat sources on the LPB are operated as follows:
Off: Remains locked.
DHW only: Released for DHW charging
On: Always released.
User manual RVS43.345
The settings in detail
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CE1U2354en_021
2013-09-02