nlcs in action: the good, the bad, and the awesome · capability (good) comes at the price of...
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NLCs in Action: The Good, The Bad, and The Awesome
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QuestionWhen you do daylight harvesting, you dim down the artificial (electric) lights in response to natural light (daylight) to save energy and money and maintain consistent light levels in the space.
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What is artificial light made of?
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Answer
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NLCs – What are they and what can they do?What can the system do?
Networked SchedulingWired, Wireless, or Both Personal controlOccupancy-sensing Demand ResponseDaylight-harvesting Non-lighting plug-load controlAdjustable for high-end trim ZoningAddress individual luminaires Luminaire-level control (field)Luminaire-level lighting control Continuous (100+ steps) dimmingLocal processing Energy monitoringBMS/HVAC/etc integration Remote diagnosticsEmergency lighting integration Tunable white lighting
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NLC not yet widely adopted
Lighting load controlled by each function
2014 Commercial Building Stock Assessment, Pacific Northwest, NEEA
0% 20% 40% 60% 80%
PhotocellDimming
None (Continuous)Timeclock
OtherOccupancy Sensor
EMSManual
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Barriers to NLC Adoption
• Poor past experiences
• Requires training
• Compatibility issues
• Not standardized
• Unclear savings
• High costs
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Advanced Lighting Controls
NLC QPL
Energy Data
Report
Training Curriculum
Savings Calculator
Efficiency Program
Incentives
Full Scale Adoption of Networked Lighting Controls
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• Technology is changing and improving… FAST!
• Systems designed from the ground up to reduce complexity and cost
• Easier to install, setup, use than ever before
• “Goof-proof”, with low-cost adjustments that make callbacks cheaper
• New system capabilities that provide new value to customers
The Good News
Staples
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Four Technology Innovations Reduce Install Complexity, Add Value
1. Integrated or “Embedded” Sensors and Controls
2. Wireless
3. Apps or Software-based Tools to Configure the System
4. Integrated Power Meters
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Significant Energy Savings• Average savings in lighting energy from lighting controls: 47%
• Data from voluntary contributions
• Individual buildings: lighting control savings from 2% to 90%
• Search “DLC Energy Savings Report” online to download the full report and webinar
• Other utility auditing groups are beginning to confirm similar values to this report’s averages
90%
50%
0%
47% average across buildings
Building with most savings
Building with least savings% S
avin
gs
114 Buildings
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New Capabilities Beyond Energy
Asset Tracking Space Utilization Indoor Positioning Diagnose and Report
Conference Room Scheduling Security Energy Tracking Integrate with
BMS/HVAC
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Today’s Panel
• What do we need to be aware of to ensure seamless installation, programming, and operation?
• What are some remarkable examples of well implemented systems?
• What does the future hold?
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Panelists
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Kandice Cohen
Bright Light Energy
Consulting
RuthTaylorPacific
Northwest National Labs
ElijahErcolinoBoston
University
RahulShiraPhilips
Lighting
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Ruth TaylorPacific Northwest National Laboratory
DLC Stakeholder MeetingJuly 11, 2018
Connected Lighting InstallationsLEARNING FROM WATCHING
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What We’ll Cover Today
• What NGLS is all About
• Current Evaluations
• Communication
• Recommendations• Utility Program Managers
• Specifiers
• Manufacturers
• Future Evaluations
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NGLS Partners
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Steering Committee and Advisors
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Melanie Taylor, IALD, LEED APVice PresidentLighting DesignWSP
Craig Bernecker, Ph.D., FIES, LCFounder and DirectorThe Lighting Education Institute
Charles Thompson, AIAIALD LC LEED AP IESNAARCHILLUME LIGHTING DESIGN, INC.
Avi Mor, LEED AP, IESNA,Lighting DesignerLIGHTSWITCH ARCHITECTURAL CHICAGO, LLC
Aram Ebben, IALD, LEED AP BD+CPrincipal | Director of Lighting Designexp, U.S. Services Inc.
Mary Matteson Bryan, P.E. Energy Engineering
Chris WolgamottNorthwest Energy Efficiency Alliance (NEEA)
Jeff Brown, IALDLighting SpecialistPower Design Engineering
Nancy Clanton, PE, FIES, IALD, LC, LEED AP President Clanton & Associates, Inc.
Ron Gibbons, Ph.D, FIESVirginia Tech Transportation Institute (VTTI)
Chip Israel, FIALD, MIES, LEED® AP, LCCEO & FOUNDERLighting Design Alliance
Mike Lambert, IES, LCSenior Lighting DesignerKCL Engineering
Nathan MittenSenior Manager of Property Standards & ImprovementsKimco Realty Corporation
Dan Blitzer, FIESPractical Lighting Workshop
• Gabe Arnold - DLC, NLC
• Dave Bisbee - SMUD
• Peter Jacobson - Con Edison
• Levin Nock - DLC, NLC
• Michael Poplawski - PNNL/DOE
• Chris Wolgamott - NEEA
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Choosing the New NGL Direction
• What are the primary barriers to connected lighting?• Where can NGL make a difference?• What can NGL do that others can’t?
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Building on NGL History
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• Long history of trust and respect from manufacturers and specifiers• Highly respected, engaged and committed Steering Committee• Extensive experience developing technical requirements and evaluation
protocols/processes• Subjective evaluations are key to observing configuration complexity
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Configuration Complexity
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• Systems that are overly complicated and time-consuming to configure have historically delivered less than ideal performance.
• Reduced configuration complexity increases the likelihood that deployed lighting controls will be correctly and consistently operating, increasing the persistence of energy savings.
• Broad deployment of connected lighting systems will require system configuration complexity to be well-matched to owner/occupant capabilities, greatly simplified, or effectively removed.
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Role of Subjective Evaluations
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• How can configuration complexity be evaluated?
• What needs to be modified for a system to be used by a broader audience?
• What are the root causes of confusion and how are they different for different types of users?
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Evaluating Configuration Complexity
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To find the real ‘pressure points’, people need to observe and evaluate the people installing and configuring the system in real time, without assistance - it just can’t be done in a demonstration, mock-up, or testing lab.
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Starting by Narrowing the Scope
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• Focus on one application• Start with ‘easy’, ‘out of the box’ systems and build
from there• Separate judging events to individual evaluations
• Installation and Configuration• Performance• User Acceptance
We needed to come away with tangible, actionable recommendations, not just
anecdotal advice.
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Onsite Manufacturer Participation
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Participation Must be a Win Win
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• What system developers give:• Substantial staff time in preparing and submitting entries• Product itself• Risk of negative exposure
• What system developers get:• Unbiased, specific feedback• Opportunity to observe and learn from installations• See how their approach compares to others
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Participating Manufacturers
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Company Control System LuminaireLumenwerx Magnum Reven SIBSelux Easy Sense M36 D-1Crestron Zum Starfire Versalux D-IPhilips Lighting SpaceWise DT SonaRAB Lighting RAB LightCloud Swish 2x2Cree SmartCast CR22Nextek Power Systems Sky Control Independence iLED R Series
Company Control System Retrofit KitPhilips Lighting SpaceWise DT EvoKit Troffer Retrofit KitLutron Electronics Vive Orion Ison Retrofit ModularAcuity Brands nLIGHT AIR BLT Relight Series KitEaton WaveLinx Metalux Cruze LED Retrofit KitLG Electronics Sensor Connect Simple Choice Retrofit Kit
Installation One – July 2017
Installation Two – January 2018
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Characterizing the Systems
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Different Approaches
• Partnerships vs. proprietary solution• Pre-configuration/ re-configuration
• Tools (remote, phone, computer)• Level of assistance needed/assumed
• Number and types of components• Wall Controls• Sensor placement• Use of wiring
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System Characterization by Approach
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• Entries can be characterized by how entrants approached:• System Architecture• Operational Complexity• Configuration Tools• Wall Controls• Documentation and Instructions
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System Architecture
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Least Complex (7) Moderately Complex (2) Most Complex (3)
Components
Luminaire-integrated sensor and control
Wall switch
Luminaire-integrated sensor and control
Wall switch
Local area network device
Remote mounted sensor and control
Wall switch
Connection Wireless WirelessWiredWireless PoE
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Operational Complexity
• NGLS required minimum set of capabilities appropriate for “easy” systems• Occupancy/Vacancy sensing
• Local on/off
• Daylight harvesting
• Manual continuous dimming
• High-end trim/task tuning
• Zoning
• Field-adjustable control settings
• All submitted systems met minimums, some provided additional capabilities
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Initial Startup Approach
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Pre-configured out-of-the box
operation
Onsite pairing of luminaires to wall
switches
Factory-set default operational settings
Onsite pairing of luminaires to wall
switches
Various additional steps
Factory-set default operational settings
Onsite pairing of luminaires to wall
switches
Onsite configuration of external
daylighting and occupancy sensors
2 4 3 2
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Configuration Tool Categories
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Handheld Tool(1)
Phone App(8)
Computer Front-end(3)
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Wall Control Categories
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Pre-configured Rocker Switch(5)
Pre-configured Multi Button Switch(3)
Site Configurable Rocker Switch(2) Site Configurable Multi Button Switch
(2)
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Communication
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The single biggest problem in communication is the illusion
that it has taken place.
George Bernard Shaw
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Vocabulary
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• We all speak a different language.• Designers• Product & IT Engineers• Contractors
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Question
How many programmers does it take to change a light bulb?
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Question
How many programmers does it take to change a light bulb?
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None, that’s a hardware problem.
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Vocabulary In the Field
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https://energy.gov/eere/ssl/next-generation-lighting-systems-competition-one-installation-video-terminology
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Documentation
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Documentation
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https://energy.gov/eere/ssl/next-generation-lighting-systems-competition-two-installation-video-documentation
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Recommendations
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Utility Program Managers
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• Consider developing template specifications for customers interested in simple lighting control systems
• Consider collaborative efforts with manufacturers to address documentation issues
• Consider requiring contractors to complete lighting controls training in order to be eligible for incentives or develop
• Collaborate with other stakeholders, such as DLC, regional energy efficiency organizations and manufacturers, to deliver training
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Specifier
• Clear specification (not necessarily detailed) is critical• Identify the “must haves” vs. “nice to haves”
• Capability (good) comes at the price of complexity and cost• Simplicity and economy (good) come at the price of
extended functionality• Carefully review and respond to system submittals• Choose an experienced installer (or one you trust to learn
quickly)• Require documentation and training on the system• Consider Labeling the wall controls
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Manufacturer
• Test the product and installation guide with installers (not just your engineers)
• Use good illustrations and simple copy for installation guide• Create drawings as installer will see it during the install
• Installation guidance ‘in the app’ is easier than reading it in print• Installer’s first impression is critical –the installation guide needs an
overview.• Make it easy to find online videos (good for set up/install) and guides• Quick Set Up guide is important; defer complicated options for “advanced”
• Have a clear, reliable chain for tech support so installers can easily reach someone who really knows!
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Manufacturer Updates
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• Documentation • Configuration Tools• Sensors
Several manufacturers have planned follow-up visits with installers to get additional feedback on
updates based on NGLS feedback.
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Future Evaluations
• Updates to currently installed systems• New indoor evaluations – interoperability, PoE ?• Outdoor evaluations – parking lot systems,
Virginia Tech Transportation Institute
35
What would you like to see?
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Thanks!
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Deploying LEDs w/Controls at Enterprise Scale
July 11, 2018
Elijah Ercolino
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DLC Boston
2
7/20/2018
Boston University
One of the largest employers in Boston
15M square feet of Class A/B/C across CRC and MED
300+ Buildings Laboratory and Medical Sciences Division 1 Athletics *Data Centers/Vivariums/Natatoriums/Theatres
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DLC Boston
3
7/20/2018
Energy Goals
http://www.bu.edu/climateactionplan/files/2017/12/ClimateActionPlan_Report_FINAL.pdf
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Tennis and Track Center
DLC Boston
4
7/20/2018
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DLC Boston
5
7/20/2018
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Parking Garages
DLC Boston
6
7/20/2018
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DLC Boston
7
7/20/2018
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Lab Science
DLC Boston
8
7/20/2018
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Presentation Title
9
7/20/2018
But…we still have more to do!
Installation
Networking
Life Safety/Building Automation/and Lighting Controls Nexus
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DLC Boston
10
7/20/2018
Continued and Future Research
ByteLight indoor location technology was recently acquired
Broad Spectrum Lighting improvements
Vampire load reductions of chatty/connected lighting
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1
Heisenberg Principle
• Where are we?– Current penetration of controls in C&I buildings (*opportunity)
– Technology advancement (simplicity, simplicity, simplicity)
– Real live installations
– Innovation (design around simplicity)
• Where we are going?– Energy savings opportunity
– Intelligent building landscape of the future (NEBs)
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(R)evolution
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