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The Manual ON function is facilitated by installing a momentary switch such as Wattstopper LVS-1 Momentary Toggle Switch, or RS2-3
Low Voltage Momentary Switch. The switch connects to the sensor's Manual (Man.) Switch and +24V terminals as shown in the wiring
diagram. Each time the switch is pressed, the load changes state. The sensor's operation as related to the manually operated switch is
determined by DIP switch settings for Occupancy Logic.
Manual Mode (Trigger Option 6 or 7): In this mode, the switch is required to turn on the load. The sensor keeps the load on, based on
occupant activity. After the time delay ends, if there is no movement detected within the 30 second re-trigger period, the load turns OFF
and the manual switch must be used to turn ON the load.
Automatic Mode (any Trigger Option except 6 or 7): These options use occupancy triggers as well as switch activation to turn the load
ON. A manual switch provides the following additional functionality:
1. The load can be turned ON using the manual switch and it stays on according to the occupancy logic setting. The time delay
operates as programmed. When the load turns OFF due to lack of occupancy detection, it can be turned ON again by occupancy
detection or the switch.
2. Activating the manual switch while the load is ON turns the load OFF.
• When the load is turned OFF manually, as long as the sensor continues to detect occupancy the load stays OFF. The length of
the time delay after the last occupancy detection, the lights stay off and the sensor reverts to the automatic-on mode.
• When the load is turned OFF manually, pressing the switch again turns the load ON and the sensor reverts to the automatic-on
mode.
• Once returning to automatic-on mode, either the switch or occupancy detection can turn the load ON.
The occupancy sensor has a built in overload protection function that will automatically turn off the control output when the load current
exceeds 200mA. The sensor LEDs will then blink rapidly (~ 10Hz) to provide a visual indication of an overload condition. When the load
current is corrected or returns to normal, the control output will turn back on.
Time Delay: Switches 1, 2, 3
The sensor will hold the lights ON as long as occupancy is detected. The time delay countdown starts when
no motion is detected. After no motion is detected for the length of the time delay, the sensor will turn the
lights OFF.
Walk-through: Switch 4
Walk-through mode turns the lights OFF three minutes after the area is initially occupied, if no motion is
detected after the first 30 seconds. If motion continues beyond the first 30 seconds, the selected time delay
applies.
PIR Sensitivity: Switch 5
• Minimum forces a reduced detection range for the PIR.
• Maximum causes the DT-300 to monitor the controlled environment and automatically select the
maximum sensitivity that will provide reliable operation without false detection. This setting is constantly
updated.
Occupancy Logic: Switches: 6, 7, 8
The DT-300 has 8 logic configurations for occupancy triggers, set with DIP switches 6, 7 & 8. Determine the
appropriate Occupancy Logic Option using the Trigger matrix, then set the DIP switches accordingly.
Initial Occupancy: The method that activates a change from "Standby" (area unoccupied and loads are
OFF) to "Occupied" (area occupied and loads are ON).
• Both requires detection by PIR and Ultrasonic.
• Either requires detection by only one technology.
• PIR requires detection by the PIR.
• Man. requires activation of the Manual Switch. (See Manual ON functions" for further information.)
Maintain Occupancy: The method indicating that the area is still occupied and the lights should remain ON.
Re-trigger: After the time delay elapses and the lights turn OFF, detection by the selected technology within
the number of seconds indicated turns the lights back ON.
MANUAL ON FUNCTION
OVERLOAD PROTECTION
DIP SWITCH SETTING
5
Feature
Switch#
Time Delay
1 2 3
Test Mode/20 min
30 seconds
5 minutes
10 minutes
15 minutes
20 minutes
25 minutes
30 minutes
Walk-Through
4
Enabled
Disabled
PIR Sensitivity
5
Minimum
Maximum
Settings
6 7 8
Standard
Option 1
Option 2
Option 3
Option 4
Option 5
Option 6
Option 7
Trigger
Standard
Either(5)
Both
Either
Option 1
Either
Either
Either(5)
Option 2
PIR
Either
Either(5)
Option 3
Both PIR
Both(5)
Option 4
PIR
PIR
PIR(5)
Option 5
PIR
Either(5)
Either
Option 6
Man.
Either
Either(30)
Man. PIR
Both(30)
Option 7
= Factory Setting
= ON
= OFF
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