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Siemens Switzerland Ltd 
User manual RVS61.843 CE1U2355en_02 
HVAC Products  6 The settings in detail  23. November 2007 
Example: 
Source 2:   Water-to-water heat pump, 1-stage 
Storage tank:   Buffer storage tank 
Heating circuit 1:   Heating circuit pump and mixing valve 
 
 
B4
B41
B21
K1/E11
B71
B92
Q8/E14
B91
E15
F
E9
PP
B81
E10
B83
Q9
2358h4
B9
Y1/Y2
Q2
B1
A6
 
 
Displays on the operator unit: 
Check no. heat source 2 
30 
Check no. storage tank 
100 
Check no. heating circuit  
3 
 
Device data 
Line no.  Operating line 
6220 Software version 
The software version installed represents the state of the software available at the time 
the controller was produced. 
The first 2 digits denote the software version, the third digit gives the software upgrade 
(e.g. 01.0).  
 
 
6.19 LPB system 
 
Address / power supply 
Line no.  Operating line 
6600 Device address 
6601 Segment address 
6604  Bus power supply function 
Off 
Automatically 
6605  Bus power supply state 
Off 
On 
 
Both the device address and the segment address consist of 2-digit numbers. 
Together, they form the device’s unambiguous LPB address (e.g. 14.16 stands for 
segment 14, device 16). 
 
 
Device address and 
segment address