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Wattstopper UT-305 Installation Instructions Manual

Manual is about: Ultrasonic Low Voltage Occupancy Sensor

Summary of UT-305

  • Page 1

    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 opera...

  • Page 2: Unit Description

    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 ...

  • Page 3: Placement Guidelines

    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 senso...

  • Page 4: Wiring Directions

    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: • redwire(+24vdc)frompowerpack tothe+24v terminal on ...

  • Page 5: Ut-305

    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 b...

  • Page 6: Ut-305

    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 ...

  • Page 7: Mounting The Sensor

    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 reco...

  • Page 8: Sensor Adjustment

    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. Befor...

  • Page 9: Dip Switch Setting

    Dip switch setting the ut-305 has 6 dip switches. They are used to set manual/automatic on/off functions, time delayandsensoractivationledsettings. On mode: switch 1 the manual on function is facilitated by installing a momentary switch such as a watt stopperlvs-1momentarytoggleswitch,or rs2-3lowvol...

  • Page 10: Override: Switch 2

    On and the sensor reverts to the automatic-on mode. • oncethesensorreturnstoautomatic-onmode,eithertheswitchoroccupancy detection can turn the load on. Override: switch 2 tooverrideallsensorfunctions,setdipswitch2totheonposition.Thegreenled comes on and stays on for the duration of the override. Thi...

  • Page 11: Troubleshooting

    Troubleshooting for any unexpected operation 1. Check dip switch settings. 2. Make sure the switches are set according to the defined settings in the dip switch setting chart. Lights do not turn on with occupancy, and the led does not flash: 1. Dipswitch#6mustbeontoenabletheled. 2. Check that the ci...

  • Page 12: Ordering Information

    Unwanted sensor activations (led flashes): •possiblecauses 1. The ultrasonic sensitivity may be too high causing detection outside of desired coverage area. 2. Sensor located too close to hvac or vav vents with heavy air flow. •possiblesolutions 1. Reduce the ultrasonic sensitivity (counterclockwise...

  • Page 13: Warranty Information

    Warranty information wattstopper warranties its products to be free of defects in materials and workmanship for a period of five years. There are no obligations or liabilities on the part of wattstopper for consequential damages arising out of or in connection with the use or performance of this pro...