Siemens RVA47.320 User Manual page 153

Note
Hydraulic circuit
Type of unit
Display of plant type
Heating curve (line 17)
Pump function Q1 (line 95)
Important
Electrical connections
Legend
Siemens Building Technologies
HVAC Products
8.9 Plant types RVA47.320 - no. 35
The plant type no. is identical with the number displayed on line 53.
Control of a single BMU or cascade control of up to four BMUs. Control of the pump
heating circuit by the RVA47.320. D.h.w. heating with charging pump by the
RVA47.320.
1 2
BMU 1 BMU 2
Other LPB capable controllers on the consumer side signal the RVA47.320 their current
heat demand directly via LPB.
Controllers not suited for use with the LPB can deliver their heat demand signal via
input H1.
H1 B3
B70
M B M B M B
B3
H1
B7
Q3 Q1 F1
N
L
For a detailed legend, refer to page 158.
Basic Documentation RVA47.320
Application examples
3
BMU 3 BMU 4
B10 B9 A6 / BMU
M B M B PPS
MD
M B10 B9 A6
N1
L
B10
B3
4
B70
RVA47.320
35
2.5...40
1 (heating circuit pump)
LPB
MB DB
N
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CE1P2379E
15.07.2002