45
Expert-32T rev.03
VENT DOORS
If a static pressure sensor is used, the Expert-32T can control static
pressure by opening and closing vent doors. When the pressure drops
below the low pressure set point, the vent doors are closed according to
a timer cycle. Likewise, when the pressure increases above the high
pressure set point, the vent doors are opened according to a timer cycle.
In minimum ventilation, the vent doors start opening during a user-
defined delay before starting the stage 1 fans. The same delay is used to
close the vent doors when the stage 1 fans returns to a stop. Set points
can be defined for the summer and winter seasons. The season changes
are signalled by user-defined outside temperatures. The user can also
define a stage level at which the vent doors are closed. A user-defined
delay is defined to delay setting off a static pressure alarm when the
pressure falls outside the set point limits (See Alarms). Note that if a
static pressure sensor is not present, these parameters cannot be
accessed and are replaced by the air inlet parameters (see Air Inlet
Control).
1
Reading Current Static Pressure
A static pressure sensor must be connected to the unit to use this
function.
Set the function to
STATIC
PRESSURE
using the menu select
buttons. The current static
pressure is displayed.
Press the down-arrow key. The minimum pressure value for the
current day is displayed, along with the time and date.
Press the down-arrow key once again. The maximum pressure value
for the current day is displayed, along with the time and date.
Keep pressing the down-arrow key to display the minimum and
maximum pressure values for the previous six days. Use the up-
arrow key to return to the previous display screens.
Stat. P _ _ _"WC
Содержание Expert-32T
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