User Manual

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Siemens Building Technologies  74 319 0396 0 c  AST10  B5851  22.11.2011 
The Vmin, Vmax, Y, DIR and TYP 
values can be changed by using the “–” 
or “+” button.The displayed value starts 
blinking and can be stored during the 
blink phase by pressing the “Set” button.
Confirm each input of value or read-
justment by pressing the “Set” button. 
DIR can be set to either ‘L’ or ‘r’: 
‘L’  means damper opens counterclockwise (rotates left) 
‘r’  means damper opens clockwise (rotates right) 
Siemens default setting: ‘r’ 
TYP can be set to either ‘con’ or ‘3P’: 
‘con’  means GLB/GDB/ASV181.1E/3 is in the VAV 
 Controller mode. 
‘3P’  means GLB/GDB/ASV181.1E/3 functions as a 
  separate 3 position damper actuator and differential 
 pressure sensor. 
Siemens default setting: ‘con’ 
Note for VAV compact controller of series A and B: 
After changing TYP from ‘3P’ to ‘con’ (or vice versa), cut 
power supply to the actuator for a short period of time, 
enabling the change to become active 
(cut G or G0 approx. 5 s). 
Vn can be adjusted in the range of 1.00 ... 2.55 
Siemens default setting: Vn = 1.00 
Vn changing is restricted to OEMs. 
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