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Legend to the setting
examples
Setting example A1
28 / 42
Siemens
Building Technologies
5.4
Setting examples
5.4.1
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.
Volume flow [%]
V
V
Minimum volume flow [%]
min
Maximum volume flow [%]
V
max
Volume flow of supply air controller [%]
V
supply_ air
Volume flow of extract air controller [%]
V
extract_ ai
r
Volume flow of supply air controller (Master) [%]
V
master
V
Volume flow of extract air controller (Slave) [%]
slave
5.4.2
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 G..B181.1E/3 | VAV modular controller ASV181.1E/3
Supply air
V
V
min
max
20 %
80 %
0 %
100 %
= Y
= 35 %
extract_air
= V
= 35 %
extract_air
V
V
min
V
supply_ air
= 0% and
= 100 %.
V
V
min
max
Extract air
V
V
min
max
20 %
80 %
0 %
100 %
V
V
max
V
CE1P3544en
2016-02-26
extract_ ai
r
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