Wattstopper UT-305 Bedienungsanleitung

Specifications

Voltage 18-28VDC/VAC, half wave rectiﬁed AC

Current Consumption

Model UT-305-1, Model UT-305-2..............................30mA

Model UT-305-3 ..........................................................35mA

Power Supply .................................Watt Stopper Power Packs

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

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

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

Test Mode.5 sec. upon intial power-up or DIP switch reset

Ultrasonic Coverage

Model UT-305-1 ................................................ up to 500 ft2

Model UT-305-2 .............................................. up to 1000 ft2

Model UT-305-3 .............................................. up to 2000 ft2

Sensitivity Adjustment ..... Minimum to Maximum (trimpot)

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

Installation Instructions

UT-305

Ultrasonic • Low Voltage

Occupancy Sensor

UNIT DESCRIPTION

The WattStopper UT-305 sensors turn lighting systems on and off based on

occupancy.

SmartSet™ technology allows the sensor to be installed with minimal adjustments.

SmartSet automatically adjusts the time delay to usage patterns in the controlled

space.

The UT-305 can be conﬁgured to turn lighting on, and hold it on as long as it detects

cccupancy. After no movement is detected for a user speciﬁed or 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 UT-305 operates on 24V supplied by Watt Stopper Power Packs. The sensors

can operate on 24VDC, 24VAC, or half wave rectiﬁed AC.

COVERAGE PATTERN

The UT-305 is available in 3 models. Each model has a different size coverage

pattern. The coverage shown represents walking motion at a mounting height of

8 to 10 feet. For building spaces with lower levels of activity or with obstacles and

barriers, coverage size may decrease.

Drawings not to scale.

12'

16'

23'

16'23'45' 12'

12'

16'

23'

12' 16' 23' 45'

UT-300/305-3

UT-300/305-2

UT-300/305-1

UT-300/305-3

HALLWAY

APPLICATION

Call 800.879.8585 for Technical Support

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 UT-305 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.

Open Ofce 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.

One UT-300

Coverage Area

20%

Ultrasonic

Overlap

One UT-305

Coverage Area

Visit our website for FAQs: www.wattstopper.com

Each WattStopper BZ series power

pack can supply power for 4 UT-305

sensors. When using more sensors

than this, multiple power packs are

required.

Refer to the wiring diagram on the next

page for the following procedures:

Connect the low voltage:

• REDwire(+24VDC)frompowerpack

 tothe+24V terminal on the sensor.

• BLACKwire(Return)frompower

pack to Common terminal on the

sensor.

Wiring a SINGLE LIGHTING LOAD CONTROLLED BY OCCUPANCY–connect:

• BLUEwirefrompowerpacktoControlOutterminalonsensor.

To add a MANUALSWITCHsuchastheLVS-1MomentaryToggleSwitch,orRS2-3

LowVoltageMomentarySwitchtotheaboveapplications–connect:

• WirefromonesideofswitchtoCommonterminalonsensor.

• WirefromothersideofswitchtoManSwitchterminalonsensor.

WIRING DIRECTIONS

CAUTION

TURN POWER OFF AT THE CIRCUIT BREAKER BEFORE

INSTALLING POWER PACKS OR SENSORS.

Call 800.879.8585 for Technical Support

UT-305

Ultrasonic

Occupancy Sensor

U.S.Patents:

5,640,113

Patent Pending

40kHz Ultrasonic

+24VDC/VAC

Connect to Watt Stopper

Class 2 Power Packs

For Indoor Use Only

03624r2

Control Out.

Man. Switch

+24V

Common

LISTED

88T9

Appliance

Control

www.wattstopper.com

800.879.8585

Visit our website for FAQs: www.wattstopper.com

White

Black

Red

Line Voltage

Wire Color Legend

Load #1

Load #2

(Optional)

UT-305

Rear Housing

Depluggable

Terminal

Front Cover

Ceiling

Spring Clips (2)

Blue

Control Out

+24V

Common

Low Voltage

Class 2

Line

Voltage

Line

Neutral Feed Through

Power Pack

Black

Red

#1 #2

Line Voltage

Switches

Standard wiring with local off switch

Call 800.879.8585 for Technical Support

Manual-On wiring with low voltage momentary switch

LVS-1

Load

Rear Housing

Depluggable

Terminal

Front Cover

Ceiling

Spring Clips (2)

Blue

Control Out

Black

+24V

Low Voltage

Class 2 Line Voltage

Line

Neutral Feed Through

Power Pack

Man.Switch

Red

UT-305

Common

For low voltage

momentary switch, set

DIP switch #1 ON

Man.Switch

Jumper

Back

LVS-1

Common

White

Black

Red

Line Voltage

Wire Color Legend

Rear

housing

Front

cover

Ceiling

Spring clips (2)

Depluggable terminal

MOUNTING THE SENSOR

Directly to Ceiling

1. Attach the plastic spring clips to

the edge of the sensor in the slots

provided.

2. Cut a 3.5” to 4” round hole in

the acoustic ceiling tile at the

mounting location. A 3.5” hole is

recommended for a secure ﬁt.

3. Pull the low voltage wire from the

power pack to the sensor through

the hole.

4. Connect the low voltage wires to

the appropriate terminals on the

sensor.

5. Push the sensor up through the

hole until the Spring Clips hold the

sensor securely in place.

6. Snap the front cover onto the

sensor.

Using an Octagonal J-Box

1. Pull the low voltage wires from the

power pack into the J-Box through

the conduit knockout.

2. Connect the low voltage wires to

the appropriate terminals on the

sensor.

3. Loosentheappliancemounting

screws attached to the J-Box

4. Align the sensor in the J-Box so

that the mounting screws on the

box match the key holes on the

sensor’s rear housing.

5. Push the sensor up into the J-Box and twist it so that the mounting screws are

seated in the keyhole slots.

6. Tighten the two screws to secure the sensor to the J-Box.

7. Snap the front cover onto the sensor.

Ceiling Mount

Depluggable terminal

Rear

Housing

4" Octagonal J-Box

(at least 1.5" deep)

Front

Cover

Ceiling

Screws

J-Box Mount

Visit our website for FAQs: www.wattstopper.com

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.

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 Time Delay to the

desired settings. See

“DIP Switch Setting”,

next page.

To Test Occupancy Sensors

1. EnsuretheUltrasonicActivityLEDisenabled(DIPswitch6ON).

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

setting. (DIP switches 3, 4, & 5 are OFF).

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

4. Remainstill.TheLEDshouldnotash.Thelightsshouldturnoffafter5seconds.

(If not, see “Troubleshooting.”)

5. 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 to the desired

settings, and replace the cover on the sensor.

* Test Mode is a temporary state that starts when you ﬁrst set the sensor’s DIP

switches for the “5 sec/SmartSet mode” (switches 3, 4, 5 OFF). If you need to

invoke the Test Mode and the DIP switches are already set for 5sec/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

DIP switches

Ultrasonic

sensitivity

trimpot

12345678

ECE

Ultrasonic

transducer

cones

Ultrasonic

activity

LED (Green)

Call 800.879.8585 for Technical Support

DIP SWITCH SETTING

The UT-305 has 6 DIP switches. They are used

to set manual/automatic on/off functions, time

delayandsensoractivationLEDsettings.

On Mode: Switch 1

The Manual ON function is facilitated by

installing a momentary switch such as a Watt

StopperLVS-1MomentaryToggleSwitch,or

RS2-3LowVoltageMomentarySwitch.This

switch connects to the sensor’s Manual (Man.)

Switch and Common 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 the setting for DIP switch 1.

Manual On: In this mode, the switch is required

to turn on the load. The sensor is then used to

keep the load on, based on occupant activity.

After the time delay ends the manual switch

must be used to turn the load on, if there is no

movement detected within the 30 second re-

trigger period.

Automatic On: This mode uses occupancy as

well as switch activation to turn the load ON. A

manual switch provides the following additional

functionality:

a. The load can be turned ON by manual switch

activation and it stays on as long as occupancy

is detected. The sensor time delay operates as

programmed. When the load turns OFF due to

lack of occupancy detection, the load can be

turned ON again by occupancy detection or switch activation.

b. 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. Five minutes 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

Logic Conguration Chart

5 sec/Auto

10 minutes

15 minutes

20 minutes

30 minutes

5 minutes

345

Time Delay

= walk-through mode

LED

Disabled

Enabled

= ON

= OFF

= Factory Setting

Auto On

Manual On

On Mode

Normal

Override

Visit our website for FAQs: www.wattstopper.com

ON and the sensor reverts to the automatic-on mode.

• Oncethesensorreturnstoautomatic-onmode,eithertheswitchoroccupancy

detection can turn the load ON.

Override: Switch 2

Tooverrideallsensorfunctions,setDIPswitch2totheONposition.ThegreenLED

comes on and stays on for the duration of the override.

This bypasses the occupancy detection control functions of the sensor, but still

allows the lights to be manually controlled with a light switch, if one is installed.

Time Delay: Switches 3, 4, 5

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.

LED: Switch 6

Whenenabled,thegreenUltrasonicActivityLEDonthesensorwilllightwhenthe

sensor detects motion.

Call 800.879.8585 for Technical Support

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