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
8.6 Plant types RVA47.320 - no. 32
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.
Primary pump for heating circuits connected to the RVA47.320.
4
1
2
3
B10
B70
2379S32
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
32
Heatin
g
curve
(
line 17
)
---
(
inactiv
)
or 2.5...40
Pum
p
function Q1
(
line 95
)
2
(p
rimar
y
p
um
p
for HCs onl
y)
Heat generation is released by the heat demand signal from a consumer (or d.h.w.
heating):
• 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.
When there is no heat demand signal from the consumers (no LPB capable controllers
connected and no possibility to use input H1), the controller itself can generate a
weather-compensated flow temperature (adjustment of heating curve with a valid
value).
L
N
Q1 F1
N1
Q3
B3
B3
B9
B7
B70
M
L
N
2379A 31
MB
LPB
MD
A
6 / 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