User Manual

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Siemens VAV modular controller ASV181.1E/3 CE1N3545en
Building Technologies 2019-03-21
Design
1 LED
2 Configuration and maintenance interface
(below cover)
3 4-core connecting cable for OpenAir 3-position
air damper actuator
4 6-core connecting cable (power and
communications)
5 Connection nozzle for measuring differential
pressure in the VAV box
6 Connection nozzle for measuring differential
pressure in the VAV box ("+": Side with higher
pressure)
7 Beltline hook
Settings and operating mode
The VAV modular controllers can be parameterized with configuration tools (cf.
“equipment combinations”)*.
Parameter
Setting
Description
Siemens factory setting
YC
0…10 V
Setpoint for air volume flow
0…10 V (operating mode
“con”)
2…10 V
Parameter
Setting
Description
Siemens factory setting
U
FLW
Actual value of air volume flow
(measurement value)
FLW
0…10 V
0…10 V
2…10 V
0.05…5 s
(Resolution 0.01 s)
Time constant actual value U
1 s
Parameter
Setting
Description
Siemens factory setting
Elevation asl
0…5000 m
(Resolution 500 m)
Elevation asl to increase
pressure sensor accuracy
500 m
LED dark
No operating voltage
LED green
Faultless operation
LED flashes red
Connection tubes for sensor interchanged
LED red
Differential pressure sensor fault
* For connections at the configuration and maintenance interface please consider
that voltages >10 V at YC can’t be processed.
Settings for setpoint
signal YC
Settings for actual value
signal U
Setting elevation for
sensor accuracy
LED- state display