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Siemens Building Technologies Basic Documentation LMU54... / LMU64... CC1P7494en
HVAC Products 14 Addendum: Hydraulic diagrams BMU 07.11.2002
Diagram 66
Q2.1
Y2.1
B1.1
Q2.2
Y2.2
B1.2
Q2.n
Y2.n
B1.n
Mixing circuit 1
(mixing valve
clip-in or RVA46)
Mixing circuit 2
(RVA46)
Mixing circuit n
(RVA46)
Q1
Pump circuit
(BMU)
B2
B3
Q3
KW
WW
B4
B7
Q8
Burner and
DHW circuit
(BMU)
Alternatively, the mixing cicuits of the RVA46 can also be additional pump circuits
(including combinations).
20 °C
7494h02E_66
Storage tank system with pump and zone control with RVA46...
Diagram 67
Q2.1
Y2.1
B1.1
Q2.2
Y2.2
B1.2
Q2.n
Y2.n
B1.n
Pump circuit
(BMU and
controller clip-in)
B3
KW
WW
B4
Q8
B2
Q1
UV
B7
Y1
20 °C
Q8 only via clip-in.
7494h02E_67
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)
Burner and
DHW circuit
(BMU)
Storage tank system with diverting valve and zone control with RVA46...
Hydraulic diagrams
(cont’d)