Wattstopper UT-300-1 Manuel utilisateur

UT-300

Ultrasonic • Low Voltage

Occupancy Sensor

with Isolated Relay and Manual On features

Specifications

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

Current Consumption

Model UT-300-1, Model UT-300-2..............................40mA

Model UT-300-3 ..........................................................45mA

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

Isolated Relay Rating ......................................1A @30VDC/VAC

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-300-1 ................................................up to 500 ft2

Model UT-300-2 .............................................. up to 1000 ft2

Model UT-300-3 .............................................. up to 2000 ft2

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

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

Installation Instructions

U.S. Patents: 4,787,722

5,189,393

and Patent Pending

UNIT DESCRIPTION

The Watt Stopper UT-300 sensors turn lighting systems on and off based on

occupancy.

The UT-300 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-300 operates on 24V supplied by Watt Stopper Power Packs. The sensors

can operate on 24VDC, 24VAC, or half wave rectiﬁed AC. UT-300 sensors also have

an isolated relay with Normally Open and Normally Closed contacts for interfacing

with HVAC or EMS systems.

COVERAGE PATTERN

The UT-300 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.

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-300 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 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.

One UT-300

Coverage Area

20%

Ultrasonic

Overlap

Visit our website for FAQs: www.wattstopper.com

WIRING DIRECTIONS

Each Watt Stopper BZ series power

pack can supply power for 4 UT-300

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 the ISOLATED RELAY: (The Isolated Relay is rated for 1A@30VAC/VDC)

Connect the wires necessary to the application that requires this output:

• Relay Common (must be used for proper operation)

• N.O. (Normally Open)–Closed when occupancy is detected

• N.C. (Normally Closed)–Open when occupancy is detected

CAUTION

TURN POWER OFF AT THE CIRCUIT BREAKER BEFORE

INSTALLING POWER PACKS OR SENSORS.

Call 800.879.8585 for Technical Support

UT-300

Ultrasonic

Occupancy Sensor

U.S.Patents:

5,124,566

5,640,113

Patent Pending

40kHz Ultrasonic

+24VDC/VAC

Connect to Watt Stopper

Class 2 Power Packs

For Indoor Use Only

Model#:

03620r1

Relay Com.

N.O.

N.C.

Control Out.

Man. Switch

+24V

Common

LISTED

88T9

Appliance

Control

Santa Clara, CA

800.879.8585

Wiring

terminals

Load #1

Load #2

(Optional)

UT-300

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

Visit our website for FAQs: www.wattstopper.com

White

Black

Red

Line Voltage

Wire Color Legend

Standard wiring with local off 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-300

Common

For low voltage

momentary switch, set

UT-300 DIP switch #1 ON

Man.Switch

Common

Jumper

Back

LVS-1

White

Black

Red

Line Voltage

Wire Color Legend

Manual-On wiring with low voltage momentary switch

Rear

housing

Depluggable terminal

Front

cover

Ceiling

Spring clips (2)

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

J-Box Mount

Rear

Housing

Depluggable

Terminal

4" Octagonal J-

(at least 1.5" de

Front

Cover

Ceili

Screws

Call 800.879.8585 for Technical Support

SENSOR ADJUSTMENT

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

Veriﬁcation of proper wiring, coverage, and 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 ﬂash. 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)

Visit our website for FAQs: www.wattstopper.com

DIP SWITCH SETTING

The UT-300 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

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.

Logic Conﬁguration Chart

5 sec/SmartSet

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

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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