VTR 100B LITE Installation and Service manual v2

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Operation
Menu Level 1 Menu Level 2 Menu Level 3 Explanation
Functions
Config DI 1–3
Config DI1–3 DI:1–3
SF: high EF: high
Polarity: N.O/N.C
Delay: Off–240s
DI 1–3 are free to use for any
purpose and have a different
priority, DI1 being the highest. DI
1–3 have a higher priority than
DI5.
It is possible to invert input
function.
Set DI 1–3 to be normally open
(N.O) or normally closed (N.C).
Default setting N.O.
It is also possible to set how you
want the fans to react to 3
different digital inputs when
they are switched on.
Potential free switches need to
be connected physically to
terminals on the main print card
to obtain the different functions.
See the wiring diagram for more
information.
Set the supply air fan (SF) and
extract air fan (EF) individually to
off, low, nom or high for digital
inputs 1–3
Set a predefined off delay for
the input signal. System will be
in the ON state for predefined
period or as long as DI is
activated and period is set to 0.
Counting down for the
predefined period starts when DI
function is deactivated. Default
value is 0 sec.
Actual delay counter is shown
and counting when function is
activated.
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