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Siemens Switzerland Ltd 
User manual RVS61.843 CE1U2355en_02 
HVAC Products  7 Plant diagrams  23. November 2007 
7.1.6  Plant diagram 6 
 
Brine-to-water heat pump with buffer storage tank, DHW storage tank with diverting 
valve Q3, and mixing or pump heating circuit. 
 
B3
Q9
B21
K1/E11
B71
B92
Q8/E14
B91
E15
P
E9
P
P
B81
E10
B83
B4
B41
B9
Y1/Y2
Q2
B1
RG
Q3
2358h14
 
 
 
 
7.1.7  Plant diagram 7 
 
Brine-to-water heat pump with combi storage tank and DHW charging pump Q3, and 
mixing or pump heating circuit. 
 
2355_109h7
B9
Y1/Y2
Q2
B1
RG
B3
B41
B4
Q9
Q3
B21
K1/E11
B71
B92
Q8/E14
B91
E15
P
E9
PP
B81 E10
B83
Q3