Siemens RVA47.320 - Plant Types RVA47.320 - No. 66

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Siemens Building Technologies Basic Documentation RVA47.320 CE1P2379E
HVAC Products Application examples 15.07.2002
8.12 Plant types RVA47.320 - no. 66
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.
D.h.w. heating with charging pump through the RVA47.320.
Control of the pump heating circuit by the RVA47.320 based on the heat demand signal
received via input H1.
4
1
2
3
B10
B70
2379 S35
B3
T
yp
e of unit BMU 1 BMU 2 BMU 3 BMU 4
RVA47.320
Dis
p
la
y
of
p
lant t
yp
e
66
Heatin
g
curve
(
line 17
)
---
(
inactive or 2.5...40
Pum
p
function Q1
(
line 95
)
5
(p
um
p
H1
)
Other LPB capable controllers on the consumer side signal the RVA47.320 their current
heat demand directly via LPB.
The heat demand signal for the pump heating circuit is generated via input H1.
In addition, the controller itself can generate a weather-compensated flow temperature
(setting the heating curve to a valid value).
L
N
Q1 F1
N1
Q3
B3
B3
B9
B7
B70
M
L
N
2379A 31
MB
LPB
MD
A6 / BMU
PPS
DB
B10
BM
BM
H1
B10
BM
B9
BM
A6
BM
H1
For a detailed legend, refer to page 158.
 Note
Hydraulic circuit
 Important
Electrical connections
Legend