Wattstopper DT-355 Manual de usuario

DT-355

360°DualTechnology•LineVoltage

Occupancy Sensor

with Light Level feature

SPECIFICATIONS

Voltages ...................120/230/277/347VAC, 50/60Hz

Load Requirements

@120VAC, 50/60Hz ........... 0-800W Ballast/Tungsten

@230 or 277VAC, 50/60Hz .............0-1200W Ballast

@347VAC, 50/60Hz ...................0-1500W Ballast

Operating Temperature ..........32° to 131°F (0° to 55°C)

Terminal Torque Rating ... 4.428 inch pound-force. (0.5Nm)

Light Level One-Step Adjustment ............ 10FC–300FC

Time Delay Adjustment...................5 to 30 minutes

Walk-Through Mode .3 minutes if no activity after 30 sec.

Test Mode5 sec. upon intial power-up or DIP switch reset

PIR Coverage (Typical) .........................1200 ft2

Sensitivity Adjustment..............................

............Automatic or Low (DIP switch setting)

Ultrasonic Coverage (Typical) ............... 800-1200 ft2

Sensitivity Adjustment...Minimum to Maximum (trimpot)

Frequency ...................................40kHz

Installation Instructions

U.S. Patents: 5,189,393

and Patent Pending

UNIT DESCRIPTION

The WattStopper DT-355 360° Dual Technology occupancy sensors combine

advanced passive infrared (PIR) and ultrasonic technologies into one unit. The

combination of these technologies helps to eliminate false triggering problems

even in difficult applications.

The DT-355 turns lighting systems on and off based on occupancy and ambient

light levels. The light level feature can be used to keep lights from turning on if

the ambient light level is sufficient.

SmartSet™ technology allows the sensor to be installed with minimal

adjustments. SmartSet automatically adjusts the time delay and PIR sensitivity

to usage patterns in the controlled space.

The DT-355 offers numerous operating modes that can be combined to create

the ideal custom control. The sensors can be configured to turn lighting on,

and hold it on as long as either or both technologies detect occupancy. After no

movement is detected for the user-specified time or the SmartSet time (5 to 30

minutes) the lights are switched off. A “walk-through” mode can turn lights off

after only 3 minutes, if no activity is detected after 30 seconds of an occupancy

detection.

The DT-355 operates on 120VAC, 230VAC, 277VAC, or 347VAC line voltage.

COVERAGE PATTERN

The DT-355 provides a 360° coverage pattern. The coverage shown represents

walking motion at a mounting height of 10 feet. For building spaces with lower

levels of activity or with obstacles and barriers, coverage size may decrease.

Call 800.879.8585 for Technical Support

44 ft

(13.4m)

40 ft x 40 ft

(12.2m x 12.2m)

Drawings not to scale.

Ultrasonic

Coverage

PIR

Coverage

PLACEMENT GUIDELINES

Depending upon obstacles such as furniture or partitions, the area of coverage

may be less or more than the sensing distances shown in the coverage pattern.

This must be considered when planning the number of sensors and their

placement. It is also recommended to place the sensor 4 to 6 feet away from

air supply ducts. Mount the sensor to the ceiling. The DT-355 is designed for

a ceiling height of about 8-10 feet. Mounting above or below this range will

significantly affect the coverage patterns. As a general rule, each occupant

should be able to clearly view the sensor.

Masking the PIR Lens: Opaque adhesive tape is supplied so that sections of

the PIR lens can be masked. This restricts the sensor’s view and allows you

to eliminate PIR coverage in unwanted areas such as hallways outside of the

desired coverage area. Since masking removes bands of coverage, remember

to take this into account when troubleshooting coverage problems. The

Ultrasonic coverage cannot be masked, but you can adjust its sensitivity to

reduce the coverage area.

Open Office Area Coverage: To get complete coverage in an open office area,

install multiple sensors so that there is approximately 20% overlap with each

adjacent sensor’s ultrasonic coverage area.

Visit our website for FAQs: www.wattstopper.com

Ultrasonic

Coverage

40 ft

(12m)

PIR

Coverage

44 ft

(13.4m)

20%

Ultrasonic

Overlap

WIRING DIRECTIONS

Visit our website for FAQs: www.wattstopper.com

Load

Load Hot

Neutral

Ground

(Optional)

Hot

Neutral

Load

Line

Neutral

Line

Ground

(Optional)

Ground

(Optional)

Three-way wiring

Single sensor, single load

Strip Gauge

#12 to #16 AWG

Cu Wire Only

WARNING

TURN POWER OFF AT THE CIRCUIT BREAKER

BEFORE INSTALLING SENSORS.

Call 800.879.8585 for Technical Support

LIGHT LEVEL FEATURE

The Light Level feature holds lights off upon initial occupancy if adequate

ambient light exists. It will not turn the lights off if they are on. The default

setting is for maximum, meaning that even the brightest ambient light will not

hold the lights off. When the light level is set it is written to memory so that in

the event of a power failure the setting is not lost.

• Avoidmountingthesensorclosetolightingfixtures.

• Adjustduringdaylighthourswhenambientlightintheareaisatdesired

level.

1. Open the Front Cover and locate the Light Level pushbutton. See Sensor

Adjustment.

2. Momentarily press the Light Level pushbutton. Do not exceed 4 seconds. *

The sensor enters setup mode, as indicated by the rapidly flashing Red LED.

The LED will flash throughout the setup process. Occupancy indications from

the LEDs are disabled during setup.

3. Move away from the sensor to avoid interference with light level detection.

The sensor measures the light level for a 25-second period, then averages

the readings and automatically sets the light level function.

4. When the Red LED stops flashing, replace the Front Cover.

* Pressing the pushbutton for 5 seconds or more resets the light level to the

default. The Green LED flashes rapidly for 10 seconds after the setting has

changed.

Using a 4-Inch Square

Junction Box

1. Pull the high voltage wires into

the J-Box through the conduit

knockout.

2. Run the wires through the CA-1

adapter then connect the high

voltage wires to the appropriate

terminals on the sensor.

3. Align the CA-1 and the sensor

with the J-Box so that the

mounting screw tabs on the box

match the mounting holes on the

sensor’s rear housing and the

CA-1.

4. Use two machine screws (included

with the sensor) to attach the sensor

to the mounting tabs on the J-Box.

5. Snap the front cover onto the sensor.

Using an Octagonal Junction Box

1. Pull the high voltage wires into the

J-Box through the conduit knockout.

2. Connect the high voltage wires to the

appropriate terminals on the sensor.

3. Align the sensor in the

J-Box so that the mounting

screw tabs on the box

match the key holes on the

sensor’s rear housing.

4. Use two machine screws

(included with the J-Box)

to attach the sensor to the

mounting tabs on the J-Box.

5. Snap the front cover onto

the sensor.

Call 800.879.8585 for Technical Support

Rear Housing

4" Square

Wiremold #V5752 box

Front Cover

Ceiling

Screws

CA-1 Adapter

Sensor Flange

MOUNTING THE SENSOR

4" Octagonal, 2.25" Deep*

Junction Box

Ceiling

Sensor

Screws

Front

Cover

Mounting to an Octagonal Junction Box

Mounting to a 4” Square Wiremold V5752

box or 4” Square Junction Box with

Double-Gang Mudring

* The Junction Box must be at

least 2.25” deep. If it is not, an

extension ring is required.

SENSOR ADJUSTMENT

The sensors are factory preset to allow for quick installation in most

applications. Verification of proper wiring or coverage, or customizing the

sensor’s settings can be done using the following procedures. To make

adjustments, open the Front Cover with a small screwdriver.

There is a 30 second

warm-up period when

power is first applied.

Before making

adjustments, make sure

the office furniture is

installed, lighting circuits

are turned on, and the

HVAC systems are in the

overridden/on position.

VAV systems should be set

to their highest airflow.

Set the Logic Configuration

and Time Delay to the

desired settings. See “Logic Configuration Chart”, next page.

To Test Occupancy Sensors

1. Ensure the PIR and Ultrasonic Activity LEDs are enabled (DIP switch 7 ON)

and PIR Sensitivity is set to MAX (DIP switch #8 ON).

2. Ensure the Time Delay is set for Test Mode* using the “5 seconds/SmartSet”

setting. (DIP switches 4, 5, & 6 are OFF).

3. Ensure that the Light Level is at default (maximum). See the Light Level

Feature section of this document for instructions.

4. Ensure that the Ultrasonic Sensitivity trimpot is set to about 90%, clockwise.

5. Remain still. The red and green LEDs should not flash. The lights should

turn off after 5 seconds. (If not, see “Troubleshooting.”)

6. Move about the coverage area. The lights should come on. Adjust the

Ultrasonic Sensitivity as necessary to provide the desired coverage (Green

LED indicates activation from the ultrasonic sensor).

When testing and adjustment is complete, reset DIP Switches and Light Level to

the desired settings, and replace the cover on the sensor.

* If you need to invoke the Test Mode and the DIP switches are already set for

5seconds/SmartSet, toggle DIP switch #5 ON then back to the OFF position.

This provides a 5 minute test period. During the test period, the Time Delay

is only 5 seconds.

Keyhole slots

(for mounting to

4" octagonal box)

Double gang

mudring

mounting holes

Light level pushbutton

DIP switches

PIR lens

Ultrasonic

sensitivity

trimpot

12345678

ECE

Ultrasonic

transducer

cones

Ultrasonic

activity

LED (Green)

PIR Activity

LED (Red)

Call 800.879.8585 for Technical Support

OCCUPANCY LOGIC

The DT-355 has 6 logic configurations for

occupancy triggers, set with DIP switches 1,

2 & 3. 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 motion detection by the PIR

and the Ultrasonic.

• Either requires motion detection by only one

technology.

• PIR requires motion detection by the PIR.

• Ultra requires motion detection by the

Ultrasonic.

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.

Logic Configuration Chart

Minimum

Max./SmartSet

PIR Sensitivity

5 sec/SmartSet

10 min.

10 minutes

15 min.

15 minutes

20 minutes

30 min.

5 minutes

456

Time Delay

= walk-through mode

LEDs

Disabled

Enabled

= ON

– = OFF

Standard

Option 2

Option 3

Option 1

123

Option 4

Option 5

Logic

Switch#

Occupancy

Standard

Option 2

Option 3

Option 1

Trigger

Option 4

Option 5

Initial

Occupancy

Maintain

Occupancy

Re-trigger

(seconds

duration)

Occupancy Logic

Both

Both Both Both(5)

Either(n/a)

Either

EitherEither

Either

Either(n/a)

PIR

PIR PIR(5)

Ultra(5)

Ultra Ultra

= Factory Setting



Visit our website for FAQs: www.wattstopper.com

Time Delay: Switches 4, 5, 6

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. The sensor

can select the time delay using SmartSet, or you can select a fixed time delay.

• SmartSetrecordsoccupancypatternsandusesthishistorytochoose

an optimal time delay from 5 to 30 minutes. SmartSet behavior starts

immediately and is refined continually as history is collected.

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.

LEDs

When enabled, the red PIR and green Ultrasonic Activity LEDs on the sensor

will light when the associated sensor detects motion.

PIR Sensitivity

• MinimumforcesareduceddetectionrangeforthePIR.

• Max./SmartSetcausestheDT-355tomonitorthecontrolledenvironment

and automatically select the maximum sensitivity that will provide reliable

operation without false detection. This setting is constantly updated.

TROUBLESHOOTING

For any unexpected operation

1. Check DIP switch settings.

2. Make sure the switches are set according to the defined settings in the

Logic Configuration Chart.

Lights do not turn on with occupancy, and the following condition exists:

• BothLEDsdonotflash:(DIPswitch#7mustbeONtoenabletheLEDs)

1. Check that the circuit breaker has been turned back on.

2. Check all sensor wire connections.

3. Check for line voltage input to the sensor.

- If line voltage is present, replace the sensor.

- If line voltage is not present, check line wiring.

• RedLEDdoesnotflash:

When power is initially applied to the sensor, there is a warm-up period of 30

seconds before the red LED is active.

1. Make sure that PIR Sensitivity is set to 100% (DIP switch #8 set to on).

2. If it still does not flash, call 800.879.8585 for Technical Support.

• GreenLEDdoesnotflash:

1. The Ultrasonic Sensitivity setting may need to be increased.

Turn clockwise as needed.

• BothLEDsflash:

1. If the sensor’s Light Level feature has been turned on, the lights

connected to the Light Level Output might be held off because of the

level of ambient light in the controlled area. To test whether the Light

Level adjustment is the problem, cover the area around the green LED

(see diagram) with your hand to see if the lights turn on. If the lights

turn on, the Light Level setting was keeping the lights off (see, “Sensor

Adjustment” for readjustment).

2. Check all sensor wire connections.

3. Check for line voltage input to the sensor.

Lights do not turn off automatically:

Call 800.879.8585 for Technical Support

WARNING

TURN POWER OFF AT THE CIRCUIT BREAKER

BEFORE WORKING WITH OR NEAR HIGH VOLTAGE.

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