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thePrema S360 DALI
Mechanical safety lock
Light channel A
The lighting is controlled by presence and brightness. Artificial
lighting is switched on and regulated at a constant brightness
level via a DALI interface in the event of too little daylight and
when the room is occupied.
The lighting is switched off via the DALI interface if there is
sufficient daylight or if the room is unoccupied.
Constant lighting control (DIP2: reg.on)
Constant lighting control compensates variations in daylight
with controlled artificial light. The overall brightness will be
kept constant at the desired brightness level. A setpoint in lux
will be preset during start-up. This value will be applied whe-
never the light is switched on by the detector. Depending on
"school" or "office" configuration type, the presence detector
behaves differently after manual dimming via button:
•
"School" configuration type for applications in class
-
rooms and meeting rooms:
y
Manual dimming stops constant lighting control.
y
Lighting remains at dimmed level when room is occupied
(no brightness influence).
y
Switching off and on returns to standard operation.
•
"Office" configuration type for applications in small and
large offices:
y
Constant lighting control remains active after manual dim-
ming to new brightness setpoint value.
y
The new brightness setpoint value only applies if the room
is occupied.
y
Switching off and on returns to standard operation with the
originally set brightness setpoint value.
Switching operation (DIP2: reg.off)
If constant lighting control is switched off, the lighting is
controlled depending on presence only. During start-up, the
switch-on dimming value is preset. When switching on, the
lighting dims to the set value, regardless of the daylight. By
using the button, the intensity of artificial light can be chan
-
ged for the duration of the presence.
Standby (orientation light)
The standby function acts as an orientation light. After the
time delay expires, the lighting is set to the standby bright-
ness (1 - 25 % of the lamp output). The standby time can be
set between 0 s and 60 min or permanently. The lighting is
switched off if the brightness level in the room exceeds the
brightness setpoint value. The lighting automatically returns
to the standby brightness if the room brightness falls below
the brightness setpoint value. When the room is entered
again, the detector returns to the programmed brightness
setpoint value, either automatically (fully automatic device) or
after the button is operated (semi-automatic device).
In switching operation, the standby function is also available.
Instead of the brightness setpoint value, the switch-on dim-
ming value is relevant.
Time delay
The minimum time delay (10 s - 60 min) is adjustable. It
adjusts automatically to the user's behaviour and can incre-
ase independently to max. 30 minutes or reduce back to the
set minimum time. With settings ≤ 2 min or ≥ 30 min, the time
delay remains unchanged at the set value. If someone goes
into an unoccupied room only briefly and leaves it within 30
seconds, then the light will be switched off prematurely after
2 minutes (short-term presence).
Button control
The lighting can be manually switched or dimmed at any time
via a button. A short press of the button switches the light
on or off, a longer press of the button dims the lighting up or
down. The dimming direction changes each time the button is
pressed.
The light is forced off after a preset time delay if the room
was (previously) vacated. If artificial lighting is switched off
manually, the lighting remains switched off as long as the
room is occupied. The lighting switches again automatically
after the time delay has expired.
Adjusting the brightness setpoint value via button
During operation, the brightness setpoint value can be set by
using the button. Release or blocking can be set on the DIP
switch, see chapter 8. Settings. The setting is done as follows:
Dim to the desired setpoint value by using the button
Release the button
Hold the button for > 15 seconds, until the lighting flashes.
(During this time, the lighting dims to maximum or mini-
mum value). New set point value is stored permanently!
During switching operation (DIP2: reg.off), the switch-on dim-
ming value is set instead of the brightness setpoint value.
Fully or semi-automatic device
Lighting control via the presence detector operates fully
automatically for increased comfort or semi-automatically
for greater energy savings. The lighting switches on and off
automatically as „fully automatic device“. As „semi-automatic
device“, the lighting must always be switched on manually.
The lighting is switched off automatically.
Exceptionally easy configuration of the energy-saving beha-
viour
By selecting “eco” for optimal switching behaviour or “eco
plus” for maximum energy saving, users can adjust the pre-
sence detector to their requirements very easily.
