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Legend to the setting
examples
Setting example A1
26 / 44
Siemens
Building Technologies
5.3
Setting examples
5.3.1
Symbols and parameters
Volume symbols with "point" ( V % ) and without point (V) shall have the same
meaning, i.e., they all shall refer to volume flows.
V %
Volume flow [%]
V %
Minimum volume flow [%]
min
V %
Maximum volume flow [%]
max
Volume flow of supply air controller [%]
V %
supply_ air
Volume flow of extract air controller [%]
V %
extract_ ai
r
V %
Volume flow of supply air controller (Master) [%]
master
V %
Volume flow of extract air controller (Slave) [%]
slave
5.3.2
Min/max control by the supervisory controller
When setting the minimum / maximum air volume flow in the supervisory controller,
the VAV compact controller has to be configured with
VAV ratio control 1 : 1
Supervisory controller
VAV compact controller
Reference signal:
Y
supply_air
Result:
V
supply_air
V %
V %
min
max
VAV compact controller KNX/PL-Link G..B181.1E/KN
Supply air
V %
V %
min
max
20 %
80 %
0 %
100 %
= Y
= 35 %
extract_air
= V
= 35 %
extract_air
V %
V %
min
V %
supply_ air
V %
V %
= 0 % and
= 100 %.
min
max
Extract air
V %
V %
min
max
20 %
80 %
0 %
100 %
V %
V %
max
V %
CE1P3547en
2017-03-23
extract_ ai
r
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