wattstopper W-500A Manuale utente
W-500A, W-1000A,
W-2000A & W-2000H
Ultrasonic Occupancy Sensors
SPECIFICATIONS
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24VDC
Power Supply. . . . . . . . . . . . . . . Watt Stopper Power Packs
Current Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . .16mA
Sensitivity Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . .1- 10
Time Adjustment . . . . . . . . . . . . . . .15 seconds. to 15 minutes
UNIT DESCRIPTION AND PLACEMENT
Watt Stopper Ultrasonic Sensors are 24VDC switching devices that
automatically switch lighting and HVAC systems off when no motion is sensed
over a given time period. They sense when an area is occupied and turn lights
back on again. Watt Stopper ultrasonic occupancy sensors use the doppler
shift principle to detect occupancy. Motion in the controlled area causes a
slight change in the reflected frequency and amplitude of the broadcast
ultrasonic waves. Watt Stopper sensors then control lighting systems through
Watt Stopper power and auxiliary relay packs.
Placement of the sensor is critical for proper operation. Watt Stopper sensors
are volumetric sensors and sense motion in a 360 degree pattern. It is best to
place the sensor so that it has a clear view of all the desktops or work
surfaces within the coverage area. Also, ultrasonic sensors may false-trigger
when confronted by high volumes of air flow. Sensors should be installed at
least four feet from most supply ducts and a minimum of six feet from
horizontal discharge ducts. In addition, do not mount sensor within 6" of
power pack. Always mount the sensor on a rigid, vibration-free surface. When
positioning the sensor make sure the receiver is aimed away from nearest
wall and toward area to be covered.
Call 800.879.8585 for Technical Support
SENSOR COVERAGES
All of the controls for the sensor are located on the sides of the sensor.
1. Time Delay—is denoted by “Time” and is adjustable from 15 seconds to 15
minutes. This adjustment determines the length of time the lights stay on
after no motion has been detected.
2. Sensitivity Adjustment—is denoted by “Sense” and is adjustable from zero
to 10. The zero setting is OFF and the 10 setting is the most sensitive.
3. Bypass Setting—should a sensor fail, it can be overridden and set to a
permanent ON position through the installation of the override pin provided
with the sensor.
4. LED Indicator—the LED will blink each time the unit triggers.
UNIT CONTROLS
SENSOR
PLACEMENT
When positioning the
sensor make sure the
receiver is aimed
away from nearest
wall and toward the
area to be covered.
On the W-500A
model, there is only
one receiver, which is
on the opposite side
of the by-pass pin. Always make sure this receiver is pointed toward activity
area. The W-1000 and W-2000 both have dual receivers. Point these toward
the activity area.
For enclosed spaces, place
sensors as shown above.
CORRECT LOCATION
Sensors placed as shown above may see
out the door and cause false triggers.
INCORRECT LOCATION
CAUTION
TURN THE POWER OFF AT THE CIRCUIT BREAKER
BEFORE INSTALLING THE SENSOR.
INSTALLATION
Call 800.879.8585 for Technical Support
For normal Installation, connect:
Blue wire from sensor to Blue wire from Power Pack
Red wire from sensor to Red wire from Power Pack.
Black wire from sensor to Black wire from Power Pack.
Single sensor wiring
Multiple sensor wiring
SENSOR ADJUSTMENT
After the unit is installed, the sensitivity should be adjusted so the lights stay
on whenever the controlled area is occupied. Before starting the adjustment
process, make sure office furniture is installed, lighting circuits are powered
up and HVAC systems are in the overridden/ON position. VAV systems should
be set to their highest airflow.
1. Set the unit sensitivity to low (usually 3 or 4).
2. Set the unit’s time delay at it’s minimum, usually 15 seconds.
3. Move out of sensor range until the lights turn off.
4. Walk into the controlled area. If the lights don’t turn on, increase the
sensitivity slightly and try again. Repeat until the lights come on.
5. It may be necessary to turn the sensitivity up slightly if the lights turn off
while the room is occupied.
6. For best acceptance and performance, we recommend max. Time delay for
normal applications.
TROUBLESHOOTING
If the lights do not go OFF after the time out period, and the LED
does not come on when moving in front of sensor:
1. Disconnect blue wire to power pack, if lights do not go OFF, check Power
Pack connections:
• voltage going in (110 or 277AC) – If there is no power, check to see that
the breaker has been turned back on.
•24VDC coming out of the power pack (Red and Black) – If there is no
power, check to see that the power pack has been wired correctly. Power
Pack may need to be replaced.
2. If lights still do not go off, call 800.879.8585 to talk to Technical Support.
Motion occurs in the room and the lights do not turn on:
1. Check the sensitivity setting and increase as needed.
2. Check connections between sensors and power packs.
3. If there is still a problem, check to see that there is 24VDC at the sensor
(Red and Black wires).
•If 24VDC is present, replace sensor.
•If 24VDC is not present, check Power Pack.
4. If lights still do not turn on, call 800.879.8585 to talk to Technical Support.
WARNING
DO NOT OVERTURN TRIMPOTS WHEN ADJUSTING THE SENSOR!
Call 800.879.8585 for Technical Support
ORDERING INFORMATION
Catalog # Description
W-500A Ultrasonic Occupancy Sensor, 500sq ft Coverage, 360°
W-1000A Ultrasonic Occupancy Sensor, 1000sq ft Coverage, 360°
W-2000A Ultrasonic Occupancy Sensor, 2000sq ft Coverage, 360°
W-2000H Ultrasonic Occupancy Sensor, 900 linear ft Coverage, 360°
BZ-100 Power Pack: 120/277VAC, 60Hz, 150mA,
20A ballast or incandescent, 1HP@120/240VAC
B120E-P Power Pack: 120VAC, 60Hz, 150mA,
20A ballast/13A incandescent
B230E-P Power Pack: 230VAC, 50/60Hz, 150mA
20A ballast/13A incandescent
B277E-P Power Pack: 277VAC, 60Hz, 150mA, 20A ballast
S120/277/347E-P Auxiliary Relay Pack: 120/277VAC, 60Hz, 20A Ballast
347VAC, 60Hz, 15A Ballast
WARRANTY INFORMATION
Watt Stopper/Legrand warranties its products to be free of defects in
materials and workmanship for a period of five (5) years. There are no
obligations or liabilities on the part of Watt Stopper/Legrand for
consequential damages arising out of, or in connection with, the use or
performance of this product or other indirect damages with respect to loss of
property, revenue or profit, or cost of removal, installation or reinstallation.
2800 De La Cruz Boulevard, Santa Clara, CA 95050
Technical Support: 800.879.8585 • 972.578.1699
www.wattstopper.com
86-0415-00r3 4/2006
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