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Catalog Number: RSEN-LG
Total Lighting Control
Two-way Occupancy Sensor for large rooms
DESCRIPTION AND FEATURES
The RSEN-LG is an ultrasonic motion sensor with builtin timing and load control relay driving circuitry. It is
designed to control lighting in a room approximately
900 to 2100 square feet. It is for use with the GE RTPACK
switchpack only, and is not for use with other relays or
transformers.
The sensor produces a low intensity, inaudible sound and
detects changes in the sound waves caused by motion, such
as walking into a room, reaching for a telephone, turning in a
chair, etc. The sensor does not respond to audible sound.
When the sensor detects motion, the pre-set time delay
period is started and the blue wire is electronically connected
to the black wire. This energizes the relay in the RTPACK
switchpack which turns on the load. At the end of the pre-set
time period, the blue wire is disconnected from the black,
causing the relay to open which turns off the load. The red
lead is a +15 VDC supply, the black lead is common and the
blue lead is the relay control.
• Full coverage with no gaps for rooms up to 2100 square feet
• Minor motion coverage up to 1350 square feet
• Not for use in corridors or warehouses
• Separate time delay and sensitivity adjustments
• Manual override should a unit fail (Failed board can be
replaced without removing unit or wiring)
• For indoor use
Before proceeding, read the enclosed installation
instructions. For GE TLC Service, call: 1-877-584-2685
(USA) and (Canada)
Installation Instructions
IMRSEN-LG
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Catalog Number: RSEN-LG
CAUTION: Do not run the sensor wire in the same
conduit as power conductors. Install in accordance
with local codes.
INSTALLATION
Basic Installation Steps
1. Locate and mount the sensor.
2. Mount the switchpack.
3. Wire the sensor to the switchpack.
4. Adjust settings and test.
Locating Sensor
Choose the sensor location carefully. The sensor must have a
clear view of the area to be controlled. The line of sight must
be through air; the sensor will not “see” through glass or high
partitions. A mounting height of 12 feet or less is desirable.
Avoid pointing directly into hallways. To prevent false
activation, do not mount where forced air will blow directly at
or by the sensor. For typical placement, refer to the Sensor
Location diagrams.
If partitions between 49" and 71" are present, see the Sensor
Coverage diagram. For greater partition heights, each
partitioned area should be treated as an individual space with
floor-to-ceiling walls. Note: For large open areas, scheduling
may be a more effective solution than multiple occupancy
sensors. Call 1-877-584-2685 for application assistance.
Mounting Sensor
Pass the control wires through the threaded mounting post
and interlock to the back plate. The sensor mounts to normal
ceiling tile through a single
sensor’s slotted grills must point along the path where motion
is to be detected. CAUTION: Finger-tighten the nut to
avoid stripping the mounting post.
3
⁄4” hole. When mounted, the
Sensor Coverage
1/2 STEP
WALK
COVERAGE
NO PARTITIONS OR PARTITIONS NOT TO EXCEED 48" HIGH
A = 56' B = 60' C = 24' D = 36'
PARTITION HEIGHTS 49" TO 71"
A = 38' B = 41' C = 17' D = 25'
SENSOR
A
B
MOTION-
S
AT-DESK
COVERAGE
Sensor Location
S
30' x 40
' CLASSROOM
40' x 100' DIVIDED CLASSROOM
Sensor Mounting
NUT
WASHER
SS S
' BOARD ROOM
30' x 50
ELECTRICAL BOX
CD
S
On hard ceilings an adapter plate is available to allow
mounting to a standard fixture ring and junction box. The
threaded mounting post may be cut down if it is too long to fit
into the junction box.
Mounting Switchpack
The switchpack is generally mounted above the ceiling on the
outside of the junction box that contains a hot line, neutral and
the existing switch leg from which the lighting is controlled. If
additional switchpacks are required, they are mounted on the
outside of the boxes containing the appropriate switch legs.
In installations where there are no existing switch legs, the
switchpack may be mounted on the outside of any standard
junction box, with or without an extension ring.
When mounted, the line connections are inside the box and
the Class 2 wiring exits via the rear of the switchpack
housing. In areas where Class 2 wiring is not permitted, the
switchpack can be mounted internally to any standard
electrical box.
SENSOR
UNIT
Switchpack Mounting
SWITCHPACK J BOX
COVERPLATE
ADAPTER
PLATE
LOCKNUT
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INSTALLATION (CONTINUED)
Catalog Number: RSEN-LG
Sensor and Switchpack Wiring
LINE
NEUTRAL
TO ADDITIONAL
SWITCHPACKS
(MAX. 10 / SENSOR)
HOT
MANUAL OFF SWITCH (OPTIONAL)*
SWITCHPACK
RED
BLUE
BLACK
SENSOR
HOT
WHITE
TO ADDITIONAL
SENSORS
(MAX. 5 / RTPACK)
*USE ONLY ONE MANUAL OFF SWITCH
BLUE
BLUE
MANUAL
SWITCH
(OPTIONAL)*
LOAD
OFF
Wiring
CAUTION: The switchpack has a 120 VAC hot lead (black)
and a 277 VAC hot lead (orange). Confirm supply voltage
before wiring switchpack. Connecting the 277 V to the
120 V lead will damage the switchpack and any
connected sensors.
One switchpack may be wired to up to five sensors. One
sensor may control up to ten switchpacks. DO NOT exceed
these limits.
The switchpack has isolated contacts with ratings of:
15A 120 VAC Tungsten
20A 120 VAC Ballast
20A 277 VAC Ballast
Each sensor is provided with Teflon-insulated pigtails. The
sensor and switchpack are interconnected using 18 AWG
Class 2 wiring per NEC 725. Use UL-recognized Tefloninsulated wire approved for plenum areas per NEC 725-2(b)
where required (GE wire # ROSWIRE-4P).
Wire the sensor(s), switchpack(s) and load as shown above.
Sensor Adjustment
RANGE MINUTES
Checkout and Adjustment
Once installed, the sensors must be adjusted for suitable
sensitivity and time delay. These adjustments can be made
only after the entire system is installed and power is applied
to the switchpack and to the lighting circuit. Adjustments
should be made with the HVAC system on. See the Sensor
Adjustment illustration below left.
1. Using a small screwdriver, set the “Minutes” control to
minimum by turning the adjustment completely counterclockwise. Set the “Range” control to the midpoint.
2. If override switches were installed, check their operation.
3. Stand completely still or leave the room. In approximately
15 seconds, the lights should go out.
4. Walk towards the sensor and the lights will come on. By
watching the red LED on the sensor, you can test the area
of coverage. The LED comes on only when the sensor is
detecting motion. Adjust the Range control to the lowest
position that provides adequate motion detection of a
person entering the area. Do not set higher than necessary.
Test and set Range control for each sensor if more than one
was installed.
5. If the red LED blinks when no motion is being made, or
does not go off at all, air motion from the HVAC system
may be activating the sensor. Reduce the Range control
until the LED goes out and stays out when no one is
moving. If this setting is loo low to respond to normal
motion, the sensor may need to be relocated away from the
air turbulence.
6. In smaller rooms, the sensor may be activated by people
moving by the doorway outside the room. Adjust the Range
control toward minimum to prevent this.
7. Set the time delay Minutes control to desired time for
lights to remain on after leaving the area. Minimum time is
approximately 15 seconds (for testing); maximum is about
30 minutes. Suggested time delay for conference rooms is
6-8 minutes; for classrooms, 8-10 minutes. An eight-minute
time delay is approximately 11 o’clock on the Minutes
control. People who remain still for very long periods may
need a longer time delay. If the lights go out while the
room is occupied, increase time slightly until optimum time
is reached.
Minimum
Sensitivity
Maximum
Sensitivity
12
Minutes
30
Seconds
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Catalog Number: RSEN-LG
TROUBLESHOOTING
GE Lighting Controls Emergency Service and Support:
1-877-584-2685 (USA) and (Canada)
Sensor Cover Removal
1. To remove the sensor’s cover, grasp the end of the cover
opposite the adjustment controls and pull down gently. The
unit will snap open.
2. To replace the cover, position the adjustment controls in the
holes in the end and close until cover snaps in place, taking
care to align the LED in the center hole of the cover.
Sensor Cover Removal
ADJUSTMENT
CONTROLS
THIS END
LED Will Not Go On
1. Verify 12-18 VDC across the red and black wires of the
sensor.
2. If there is no power at the sensor, check for 12-18 VDC at
the switchpack output, and 120 VAC or 277 VAC at the
switchpack input. Verify correct primary connections.
3. Recheck all wiring and connections.
4. If the LED still doesn’t operate, the sensor is defective; the
circuit board should be replaced by unplugging the unit as
shown below and snapping out the circuit board.
Unplug The Circuit Board
AUTO⁄ ON
Lights Will Not Turn Off
In smaller rooms, the sensor may be activated by people
moving in the hallway outside the room. Adjust the Range
control toward minimum to prevent this or relocate the
sensor. If lights will not turn off after the time period set on
the sensor, and the LED has not lit during the time period:
1. Confirm that no other switches or equipment are interrupting or bypassing power to the switchpack or load.
2. Verify that the override switch on all sensor circuit boards
is in the AUTO position.
3. Check all connections to the switchpack.
4. Temporarily unplug the sensor circuit board(s).
5. If lights turn off, the sensor is defective, and the circuit
board should be replaced.
6. If the lights do not turn off, replace the switchpack.
NOTE: If multiple sensors/switchpacks are installed, check
one at a time.
Emergency Manual ON
The sensor has a built-in override switch on the circuit board
to turn the load on in the event of sensor failure when the
sensor can not be replaced immediately. The switchpack must
be operative for this switch to work. If the switchpack is
defective, it must be replaced or bypassed to activate the
load.
To operate the override switch, remove the sensor cover and
move the override switch from the AUTO to the ON position
as shown below. All switchpacks connected to the sensor
will now be energized. If multiple sensors control the same
switchpack(s), activating the override switch on any sensor
will activate all switchpacks.
Lights Will Not Turn On
1. Confirm that no other switches or equipment are interrupting or bypassing power to the switchpack or load.
2. Short the blue and black switchpack control leads together
to energize the relay.
3. If lights turn on, the sensor is defective, and the circuit
board should be replaced.
4. If lights do not turn on, check wiring on the switchpack
load side, and check switchpack contacts for continuity.
Replace the switchpack if necessary.
Override Switch
AUTO⁄ON
GE Lighting Controls, 41 Woodford Ave., Plainville, CT 06062
Made in U.S.A.
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