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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