29
EXPERT WW rev.12
EXPERT WW
opening. The
“Open”
or
“Close”
pilot light of
the vent door (inlet) output flashes while the
actuator opens or closes.
Make sure limit switches are located at
both ends of the actuators when using
this resetting method.
1. Select:
Main menu
Vent/Inlet*
Auto Reset*
* This menu is accessible if at least one vent door
(inlet) output enabled in the Installation Setup (sec-
tion 4.5). A password may also be required to access
this menu (section 4.2).
** This menu is accessible if at least one timer-based
vent door (inlet) is enabled in the Installation Setup
(section 4.5).
The following parameters are common
to all programs and to all timer-based
vent doors (inlets).
Auto Reset Settings
Inlet Reset Mode Op/Cl
Inlet Reset Now?
No
Day Time
6:00A h:m
Period
3 day
Reset Delay
2:00 m:s
Vent / Inlet reset mode —
Select the desired
reset mode:
“Op/Cl”
to reset the actuator
toward its nearest position; select
“Close”
to
reset the actuator toward its closed position
only or select “
Off”
to disable the automatic
reset.
Vent / Inlet reset now? —
Select
“Yes”
to
reset the actuator’s position now.
Day time —
Set the time of day at which
resets are performed.
Period —
Set the frequency of inlet resets.
A reset can be performed once every 1-7
days.
Reset delay —
During a reset, the controller
opens or closes the actuator during the Reset
Delay or up until a limit switch is reached. The
Reset Delay should be set to the same time
value or higher than the total opening time of
the actuator (as defined in section 6.5.1.2).
Test mode —
This is the room temperature
that is used in test mode. This value can only
be modified in the “Test Mode” menu (see
section 4.11).
Closed —
This is the position of the vent
door (inlet) during the
“Off Time”
portion of
minimum ventilation cycles. Set this position
to the desired value.
Stage #x —
Assign a vent door (inlet) opening
to each fan stage in use (in %).
Over-Opening Settings:
Opening —
Assign a vent door (inlet) position
to the over-opening stage.
Bandwidth —
Set the temperature range
over which the vent door (inlet) gradu-
ally opens from the position associated
with the last fan stage towards the over-
opening position (see previous graphic).
Total opening time —
Enter the
exact time
that is required to reach the actuator’s maxi-
mum limit switch. The controller will limit the
opening of the vent door (inlet) according to
this parameter value. *
This parameter is acces-
sible if at least one timer-based vent door (inlet) is
enabled in the Installation Setup (sec. 4.5). [This
parameter is common to all programs]
6.5.1.3. Actuator Reset
The controller needs to reset the actuator’s
position at regular intervals to make sure the
vent door (inlet) position is always accurate.
This reset is performed automatically accord-
ing to one of these two methods:
1. Reset the minimum position only
(Close mode):
Each time a reset is performed,
the vent door (inlet) totally closes. Once the
actuator’s position is reset, the vent door
(inlet) returns to its previous position. The
“Close”
pilot light of the vent door (inlet)
flashes while the actuator is closing.
2. Reset toward the nearest position (Open/
Close mode):
If the current inlet position is
higher than 50% at the reset time, the control-
ler fully opens the vent door (inlet) to reset the
actuator’s position; if the current vent door
(inlet) position is lower than 50%, the controller
closes the actuator to perform the reset. This
way, the vent door (inlet) never closes when
the room temperature already asks for a wide
