Siemens LMU64 Series - Page 158

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Siemens Building Technologies Basic Documentation LMU54... / LMU64... CC1P7494en
HVAC Products 14 Addendum: Hydraulic diagrams BMU 07.11.2002
Diagram 68
WW
Q2.1
Y2.1
B1.1
Q2.2
Y2.2
B1.2
Q2.n
Y2.n
B1.n
Burner with inst.
DHW heater and
pump circuit (BMU)
B2
B3
KW
FS
B7
Q8
Q1
20 °C
7494h02E_68
Alternatively, the mixing cicuits of the RVA46 can also be additional pump circuits
(including combinations).
Mixing circuit 1
(mixing valve
clip-in or RVA46)
Mixing circuit 2
(RVA46)
Mixing circuit n
(RVA46)
Instantaneous DHW heater with primary heat exchanger and zone control with the RVA46...
Diagram 69
Q2.1
Y2.1
B1.1
Q2.2
Y2.2
B1.2
Q2.n
Y2.n
B1.n
B2
Q3
B7
KW
WW
B3
B4
FS
Q1
Q8
20 °C
7494h02E_69
Mixing circuit 1
(mixing valve
clip-in or RVA46)
Mixing circuit 2
(RVA46)
Mixing circuit n
(RVA46)
Alternatively, the mixing cicuits of the RVA46 can also be additional pump circuits
(including combinations).
Burner with inst.
DHW heater and
pump circuit (BMU)
Instantaneous DHW heater with secondary heat exchanger and zone control with the RVA46...
Hydraulic diagrams
(cont’d)