Plant Types Rva47.320 - No. 27; Plant Types Rva47.320 - No. 28 - Siemens RVA47.320 User Manual

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
8.1

Plant types RVA47.320 - no. 27

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. No d.h.w. heating via
the RVA47.320.
1
BMU 1 BMU 2
This application requires the heat demand signal from a consumer to release heat
generation:
•
LPB capable controllers 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 B70
M B M B
B3
H1 M
B70
Q3 Q1 F1
For a detailed legend, refer to page 158.
Basic Documentation RVA47.320
Application examples
2
3
BMU 3 BMU 4
B10 B9 A6 / BMU
LPB
M B M B PPS
B10 B9 MD
A6 MB
N1
L
L
N
B10
4
B70
RVA47.320
27
--- (inactive)
1 (heating circuit pump or no pump)
DB
N
145/166
CE1P2379E
15.07.2002