Festo VTSA Series, Manual, Page: 84 / 166

3. Installation
3−24
Festo P.BE−VTSA−44−EN en 0601a
Please note
If the VTSA valve terminal is to be operated in conformity
with the ISO standard, the pilot exhaust air will be vented
non−ducted directly at the valve.
If the pilot air is to be vented ducted via connection 12, the
valve terminal can no longer be operated with ISO valves
from other manufacturers. Note here the instructions of
the manufacturer.
Conversion of the valve terminal to ducted pilot exhaust is
described in chapter 5.4.1.
Caution
The identification of the work connections refers to the
position of the angled sub−base pre−fitted by Festo (see fig.
3/6).
It is possible to fit the angled sub−base with the exit for the
work connections in the direction of the valve connection
level, but this is not supported by Festo because with this
fitting position the identification of the connections is no
longer correct.