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EXPERT LA
6.3.2
Natural Ventilation Settings
Select:
Main menu
Start/Stop*
Natural**
Curtain #X
*
A password may be required to access this menu (sec. 4.2).
**
Accessible if at least 1 natural ventilation curtain is enabled
in the Installation Setup (section 4.5).
•
Set the following parameters:
(Refer to previous sections to get further informa-
tion on these parameters)
Initial Open at
Set the temperature at which the curtain
opens for the first time. The curtain opens
during its initial moving time at that moment.
Start Close at
Set the temperature below which the cur-
tain starts closing in timer mode when the
controller is in natural ventilation.
Start Open at
Set the temperature above which the cur-
tain opens according to a timer when the
controller is in natural ventilation.
Initial Time
The curtain opens during its initial opening
time when the controller enters in natural ven-
tilation. This opening time can be adjusted
from 0 to 900 seconds (15 minutes).
Open / Close / Off Time
Set the opening and closing timers of the cur-
tain (the Off time is common to both cycles).
The open, close and off times can be adjusted
from 0 to 900 seconds (15 minutes).
Natural Curtain 1 Settings
Initial Open at
Start Close at
Start Open at
Initial Time
Open Time
Close Time
Off Time
Wind Delay
Tun.Close Dly
Continuous Open
Purge Move Time
Use
to navigate
Wind Delay When the controller is in natu-
ral ventilation and temperature falls below
the "Start Close At" temperature or rises
above the "Start Open At" temperature, the
curtain only starts moving after the wind de-
lay has elapsed. This way, the curtain does
not move when wind drafts cause sudden
temperature changes. Set the wind delay to
the desired value. Adjustable from 0 to 900
seconds (15 minutes).
Tunnel Close Delay (Factory Setting)
This delay is launched at the beginning of
the first tunnel stage. Once it has elapsed,
the controller closes the natural ventilation
curtain.
Continuous Delay (Factory Setting)
The natural ventilation curtain opens during
this delay when the controller returns in natu-
ral ventilation (when tunnel ventilation ends).
Purge move time
This is the amount of time required to open
the curtain during a purge cycle (see sec.
6.3.5). Set this parameter separately for
each curtain.
Accessible if the purge option is enabled in the
Installation Setup (section 4.5).
EXPERT LA rev.00
Main menu
Start/Stop
Natural
Curtain 1
80.0 °F
78.0 °F
82.0 °F
20 sec
15 sec
15 sec
15 sec
10 sec
300 sec
300 sec
30 sec
45
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