WattStopper - AIA DIVISION 16 SPECIFICATIONS - BuildSitecom

By Thomas Scott,2014-12-26 02:46
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    A. Contractor's work to include all labor, materials, tools, appliances, control hardware, sensor, wire,

    junction boxes and equipment necessary for and incidental to the delivery, installation and furnishing

    of a completely operational occupancy sensor lighting control system, as described herein. B. Contractor/Supplier shall examine all general specification provisions and drawings for related

    electrical work required as work under Division 16.

    C. Contractor shall coordinate all work described in this section with all other applicable plans and

    specifications, including but not limited to wiring, conduit, fixtures, HVAC systems and building

    management systems.


    A. Products supplied shall be from a single manufacturer that has been continuously involved in

    manufacturing of occupancy sensors for a minimum of five (5) years. Mixing of manufacturers shall

    not be allowed.

    B. All components shall be U.L. listed, offer a five (5) year warranty and meet all state and local

    applicable code requirements.

    C. Products shall be manufactured by an ISO 9002 certified manufacturing facility and shall have a

    defect rate of less than 1/3 of 1%.

    D. Wall switch products must be capable of withstanding the effects of inrush current. Submittals shall

    clearly indicate the method used.


    A. The objective of this section is to ensure the proper installation of the occupancy sensor based

    lighting control system so that lighting is turned off automatically after reasonable time delay when a

    room or area is vacated by the last person to occupy said room or area.

    B. The occupancy sensor based lighting control shall accommodate all conditions of space utilization

    and all irregular work hours and habits.

    C. Contractor shall warrant all equipment furnished in accordance to this specification to be

    undamaged, free of defects in materials and workmanship, and in conformance with specifications.

    The supplier’s obligation shall include repair or replacement, and testing without charge to the owner,

    all or any parts of equipment which are found to be damaged, defective or non-conforming and

    returned to the supplier. The warranty shall commence upon the owner's acceptance of the project.

    Warranty on labor shall be for a minimum period of one (1) year.


    A. Manufacturer shall substantiate conformance to this specification by supplying the necessary

    documents, performance data and wiring diagrams. Any deviations to this specification must be

    clearly stated by letter and submitted.

    B. Submit a lighting plan clearly marked by manufacturer showing proper product, location and

    orientation of each sensor.

    C. Submit any interconnection diagrams per major subsystem showing proper wiring. D. Submit standard catalog literature which includes performance specifications indicating compliance

    to the specification.

    Page 1

    AIA Division 16 Specification

    Section 16950 Occupancy Sensors

    E. Catalog sheets must clearly state any load restrictions when used with electronic ballasts.


    A. It shall be the contractor's responsibility to make all proper adjustments to assure owner's

    satisfaction with the occupancy system, or;

    B. Factory Startup (Optional): It shall be the manufacturer's responsibility to verify all proper

    adjustments and train owner's personnel to ensure owner's satisfaction with the occupancy system.

    This service is provided at an additional cost.



    A. Watt Stopper or Pre-approved equal: For pre-approval, provide all the information listed under

    section 1.04A and 1.04D a minimum of ten (10) working days prior to initial bid date. B. The listing of any manufacturer as "acceptable" does not imply automatic approval. It is the sole

    responsibility of the electrical contractor to ensure that any price quotations received and submittals

    made are for sensors which meet or exceed the specifications included herein.

     2.02 PRODUCTS

A. All products shall be Watt Stopper product numbers:

    1. Ceiling sensors: WT-605, WT-600, WT-1105, WT-1100, WT-2205, WT-2200, WT-2250, WT-

    2255, WP-605, WP-1105, WP-2255, WP-2205, W-500A, W-1000A, W-2000A, W-2000H, UT-

    300, UT-305, UT-355, WPIR, DT-200, DT-205, DT-300, DT-305, DT-355, CX-100, CX-105,

    CI-200, CI-205, CI-300, CI-305, CI-355, CI-12, CI-24

    2. Wall switch sensors: PW-100, PW-100-24, PW-200, WS-200, WD-170, WD-180, WD-270,

    WD-280, WN-100-120, WN-100-277, UW-100, UW-100-24, UW-200, DW-100, DW-100-24,


    3. Power and Auxiliary Packs: BZ-50, BZ-100, BZ-150, LC-100, C120E-P, C277E-P, S120/27-P,

    AT-120, AT-277

    4. HID Control: DM-100, DM-105, DM-105-WP

    5. Outdoor sensors: EW-100, EW-200, EWF-105, EWF-205, EW-105-24, EW-205-24, EN-100,


    6. Low Temperature: CB-100

    7. Digital Time Switches: TS-400, TS-400-24

    8. Automatic Control Switch: AS-100

    B. Wall switch sensors shall be capable of detection of occupancy at desktop level up to 300 square

    feet, and gross motion up to 1000 square feet.

    C. Wall switch sensors shall accommodate loads from 0 to 800 watts at 120 volts; 0 to 1200 watts at

    277 volts and shall have 180? coverage capability.

    D. Wall switch products shall utilize Zero Crossing Circuitry which increases relay life, protects from the

    effects of inrush current, and increases sensor’s longevity.

    E. Wall switch sensors shall have no leakage current to load, in manual or in Auto/Off mode for safety

    purposes and shall have voltage drop protection.

    F. Where specified, wall switch sensors shall provide a field selectable option to convert sensor

    operation from automatic-ON to manual-ON.

    G. Where specified, vandal resistant wall switch sensors shall utilize a hard lens with a minimum

    1.0mm thickness. Products utilizing a soft lens will not be considered.

    H. Passive infrared sensors shall utilize Pulse Count Processing and Detection Signature Processing to

    respond only to those signals caused by human motion.

    Page 2

    AIA Division 16 Specification

    Section 16950 Occupancy Sensors

    I. Passive infrared sensors shall provide high immunity to false triggering from RFI (hand-held radios)

    and EMI (electrical noise on the line).

    J. Passive infrared sensors shall have a multiple segmented Fresnel lens, in a multiple-tier

    configuration, with grooves-in to eliminate dust and residue build-up.

    K. Where specified, passive infrared ultrasonic and dual technology sensors shall offer daylighting

    footcandle adjustment control and be able to accommodate dual level lighting.

    L. Dual technology sensors shall be wall mounted, corner mounted or ceiling mounted in such a way

    as to minimize coverage in unwanted areas.

    M. Dual technology sensors shall consist of passive infrared and ultrasonic technologies for occupancy

    detection. Products that react to noise or ambient sound shall not be considered. N Ultrasonic sensors shall utilize Advanced Signal Processing to adjust the detection threshold

    dynamically to compensate for constantly changing levels of activity and air flow throughout

    controlled space.

    O. Ultrasonic operating frequency shall be crystal controlled at 25 kHz within ? 0.005% tolerance, 32

    kHz within ? 0.002% tolerance, or 40 kHz ? 0.002% tolerance to assure reliable performance and

    eliminate sensor cross-talk. Sensors using multiple frequencies are not acceptable. P. All sensors shall be capable of operating normally with electronic ballasts, PL lamp systems and

    rated motor loads.

    Q. Coverage of sensors shall remain constant after sensitivity control has been set. No automatic

    reduction shall occur in coverage due to the cycling of air conditioner or heating fans. R. When specified, sensors shall utilize SmartSet? technology for automatically adjustable time delay

    and sensitivity settings.

    S. All sensors shall have readily accessible, user adjustable settings for time delay and sensitivity.

    Settings shall be located on the sensor (not the control unit) and shall be recessed to limit tampering. T. In the event of failure, a bypass manual override shall be provided on each sensor. When bypass is

    utilized, lighting shall remain on constantly or control shall divert to a wall switch until sensor is

    replaced. This control shall be recessed to prevent tampering.

    U. All sensors shall provide an LED as a visual means of indication at all times to verify that motion is

    being detected during both testing and normal operation.

    V. Where specified, sensor shall have an internal additional isolated relay with Normally Open,

    Normally Closed and Common outputs for use with HVAC control, Data Logging and other control

    options. Sensors utilizing separate components or specially modified units to achieve this function

    are not acceptable.

    W. All sensors shall have UL rated, 94V-0 plastic enclosures.

    X. Outdoor sensors shall have UL 773A ratings. EWF outdoor sensors shall additionally have UL 1571


    Y. EW-100 outdoor sensors shall cover up to 35 feet, with a field of view of 180 degrees. EW-200 shall

    cover up to 52.5 feet, with a field of view of 270 degrees. EN-100 outdoor sensors shall cover up to

    35 feet, with a field of view of 90 degrees. EN-200 outdoor sensors shall cover up to 100 feet, with a

    long range lens view.

    Z. EWF outdoor sensors shall include polycarbonate lamp holders that accept PAR 20 or 38 lamps up

    to 150W per lamp.

    AA. Outdoor sensors shall have an operating temperature range of -40?F to +130?F.

    BB. To ensure complete protection from weather elements and exposure, outdoor sensors shall be

    manufactured with precision double-shot tooling and contain internal silicon gaskets. CC. HID controller shall be compatible with all types of High Intensity Discharge (HID) lamps, including

    Metal Halide, Metal Halide Pulse Start, and High Pressure Sodium.

    DD. HID controller shall operate with HID lamps utilizing Constant Wattage Autotransformer (CWA) type


    EE. To avoid lamp damage during the HID power up period, the HID controller shall maintain a full light

    level during lamp warm up for 15 minutes.

    Page 3

    AIA Division 16 Specification

    Section 16950 Occupancy Sensors

    FF. To maximize lighting control scenarios, the HID controller shall be compatible with any 24 VDC

    controlling device, such as occupancy sensors, time switches, control panels, or photocells. GG. The HID controller shall be capable of linking to other HID control modules to enable effective

    multizone control. More than 100 individual devices shall be capable of being connected.


    A. Control Units - For ease of mounting, installation and future service, control unit(s) shall be able to

    externally mount through a 1/2" knock-out on a standard electrical enclosure and be an integrated,

    self-contained unit consisting internally of an isolated load switching control relay and a transformer

    to provide low-voltage power. Control unit shall provide power to a minimum of two (2) sensors. B. Relay Contacts shall have ratings of:

     13A - 120 VAC Tungsten

     20A - 120 VAC Ballast

     20A - 277 VAC Ballast

    C. Control wiring between sensors and controls units shall be Class II , 18-24 AWG, stranded U.L.

    Classified, PVC insulated or TEFLON jacketed cable suitable for use in plenums, where applicable. C. Minimum acceptable wire gauge from the circuit control hardware relays shall be #14 AWG.



    A. It shall be the contractor's responsibility to locate and aim sensors in the correct location required for

    complete and proper volumetric coverage within the range of coverage(s) of controlled areas per the

    manufacturer's recommendations. Rooms shall have ninety (90) to one hundred (100) percent

    coverage to completely cover the controlled area to accommodate all occupancy habits of single or

    multiple occupants at any location within the room(s). The locations and quantities of sensors shown

    on the drawings are diagrammatic and indicate only the rooms which are to be provided with

    sensors. The contractor shall provide additional sensors if required to properly and completely cover

    the respective room.

    B. It is the contractor’s responsibility to arrange a pre-installation meeting with manufacturer's factory

    authorized representative, at owner's facility, to verify placement of sensors and installation criteria. C. Proper judgment must be exercised in executing the installation so as to ensure the best possible

    installation in the available space and to overcome local difficulties due to space limitations or

    interference of structural components. The contractor shall also provide, at the owner's facility, the

    training necessary to familiarize the owner's personnel with the operation, use, adjustment, and

    problem solving diagnosis of the occupancy sensing devices and systems.


    A. Upon completion of the installation, the system shall be completely commissioned by the

    manufacturer's factory authorized technician who will verify all adjustments and sensor placement to

    ensure a trouble-free occupancy-based lighting control system. This service is provided at an

    additional cost.

    B. The electrical contractor shall provide both the manufacturer and the electrical engineer with ten

    working days written notice of the scheduled commissioning date. Upon completion of the system

    fine tuning the factory authorized technician shall provide the proper training to the owner's

    personnel in the adjustment and maintenance of the sensors.


    Page 4

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