Frequently asked questions
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Circadian Health and Well-being
- What is Melanopic Lux, and why is it important?
- How does Circadian Sky provide appropriate Melanopic Lux levels?
- What is the Melanopic Ratio, and how is it used?
Color Quality and Accuracy
- What is a MacAdam ellipse, and why is it important for color consistency?
- How does Circadian Sky achieve high color rendering (CRI and R9 values)?
- What is CRI, R9, TM-30, and why are they important?
Comparison with Other Solutions
- What are the advantages of Circadian Sky compared with a real skylight?
- What are the limitations of tunable white fixtures, and how does Circadian Sky overcome them?
- How does Circadian Sky compare to other circadian lighting solutions?
Controls & Lighting Specifications
- How does Circadian Sky's control wiring topology simplify installation?
- Does Circadian Sky support wireless synchronization between fixtures?
Installation and Maintenance
- What are the installation requirements?
- What is the minimum plenum depth required?
- Can Circadian Sky be installed in a fire-rated ceiling?
Introduction
TL;DR An artificial skylight is a ceiling-mounted fixture that recreates daylight indoors—sun disc + blue sky—without cutting a roof hole.
- Installs anywhere — fits grid or drywall ceilings
- Dynamic spectrum — 2 200 K–40 000 K tunable
- Energy smart — high-efficiency LED + optics
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Unlike traditional skylights that need structural work and weather-proofing, artificial skylights such as the Circadian Sky ® use LED back-lighting and a multi-lens array to bring convincing daylight to basements, interior offices, clinics, and other window-less spaces.
TL;DR Circadian Sky® is an artificial skylight that simulates dynamic blue skies and sunset tones—boosting health, comfort, and design appeal without a roof opening.
- Dynamic daylight — adjusts CCT & intensity all day
- Leading melanopic performance — high EML & ratio
- Privacy & depth — layered optics mimic a real double-pane window
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Circadian Sky offers the mesmerizing appearance of clear blue skies and warm sunsets— recreating the feel of a double-pane window with multiple surface reflections. Its privacy-preserving optics make it ideal for healthcare and wellness spaces. Backed by Innerscene's proprietary ATMOS Platform™, it leads the industry in melanopic ratio, color temperature range, CRI, and spectral accuracy.
With built-in circadian controls, Circadian Sky modulates both intensity and spectrum to meet WELL Building Standard targets for Equivalent Melanopic Lux (EML), seamlessly adapting to human biological needs throughout the day. It's plug-and-play for grid ceilings or drywall, with no structural modifications required.
TL;DR Circadian Sky® enhances comfort, mood, and energy efficiency by mimicking natural daylight indoors—with no roof cuts or structural changes required.
- Biological lighting — supports circadian health & sleep-wake cycles
- Visual impact — realistic sky illusion opens up windowless rooms
- Easy install — fits standard ceiling grids or drywall
- Smart control — dynamic spectrum and brightness throughout the day
- True-to-life colors — high CRI > 92 for accurate color rendering
- Energy efficient — reduces lighting energy costs
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Circadian Sky creates a strong visual and emotional connection to daylight— boosting alertness, mood, and well-being . Its tunable spectrum supports circadian entrainment, helping occupants stay energized during the day and wind down at night.
Thanks to its integrated lighting engine, Circadian Sky dynamically shifts color temperature and intensity throughout the day—mimicking sunrise, daylight, and sunset. The result is a healthier, more visually comfortable indoor environment, regardless of time or weather.
Designed for easy drop-in installation, it fits standard 2x2 and 2x4 ceiling grids without the need for roof penetration, waterproofing, or expensive remodeling. That makes it a popular choice for offices, clinics, schools, and homes.
TL;DR Five NA grid sizes (1×2 ft → 2×4 ft) plus five metric options—same 92 mm depth across the range.
- North America — 1×2, 2×2, 1×4, 1½×4, 2×4 ft
- International — 300×600, 600×600, 300×1200, 450×1200, 600×1200 mm
- Depth — 3 ⅝ in / 92 mm (all models)
- BH (anti-ligature) construction available for every size
- Lay-in, joist-bracket, or unistrut mounting
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Custom modules—for atria, sloped ceilings or integrated HVAC panels— are available on a project basis. Send your cut-sheet or BIM model to[email protected] for a feasibility review.
Circadian Health and Well-being
TL;DR Melanopic Lux quantifies how much a light source stimulates melanopsin receptors—making it the key metric for circadian lighting design.
- Biological focus — measures non-visual impact, not just brightness
- Health & sleep — guides alert-day / restful-night light levels
- WELL Standard — core requirement for EML (Equivalent Melanopic Lux)
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Traditional photopic lux gauges visual brightness for the average eye, but it ignores the melanopsin-based receptors that set our internal clock. Melanopic Lux weights light in the blue-green region (≈480 nm) to predict its circadian effectiveness. Designers use it to hit targeted daytime and evening EML values in theWELL Building Standard.
Circadian Sky® fixtures dynamically adjust spectrum and intensity, delivering high EML for alertness during the day and low EML for restful evenings—helping occupants stay aligned with natural sleep-wake cycles while meeting WELL criteria.
TL;DR Circadian Sky® uses dynamic spectrum tuning and smart controls to deliver the right Melanopic Lux at the right time of day.
- Adaptive output — aligns spectrum + intensity with circadian needs
- Melanopic tuning — adjusts from low-E to high-E EML (0.3 → 1.2 ratio)
- Verified performance — 250+ melanopic lux at eye level when required
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Circadian Sky® dynamically adjusts both intensity and spectral content to provide biologically appropriate lighting throughout the day. Its advanced control system follows natural circadian patterns—or custom schedules—to optimize melanopic stimulation.
The proprietary spectral engine targets key wavelengths that activate melanopsin receptors, balancing visual comfort and biological effect. It maintains precise melanopic-to-photopic ratiosbetween 0.3 and 1.2, depending on time of day and desired outcome.
With verified output of 250+ melanopic lux at eye level when needed, Circadian Sky supports WELL-compliant EML levels while ensuring occupants receive the right signal at the right time—boosting alertness by day and easing into restfulness by night.
TL;DR The Melanopic Ratio compares biological and visual light response to guide healthy circadian lighting. Higher in the morning, lower by night.
- Morning boost — ratio > 0.9 promotes alertness
- Evening wind-down — ratio < 0.35 supports melatonin
- WELL Standard — aligns with EML guidelines
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The Melanopic Ratio is the ratio of melanopic lux (biological effect) to photopic lux (visual brightness). It determines how well a light source stimulates the circadian system while maintaining visual comfort.
Circadian Sky® adjusts this ratio dynamically: higher in the morning to enhance cognitive function and energy, lower at night to promote rest. Ratios are precisely managed from 0.3 to 1.2 to meet WELL Building requirements and support human-centric lighting goals.
This spectral tuning can be automatic, tunable, or a combination of both, ideal for healthcare, workplace, and residential applications that prioritize occupant well-being.
TL;DR Circadian Sky® meets—and documents—WELL v2 circadian lighting requirements by automating Equivalent Melanopic Lux (EML), glare control, and ongoing performance tracking.
- Verified EML — hits WELL targets with day-long tuning
- Photometry + reports — deliver ready-to-submit docs
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Circadian Sky's optical engine dynamically adjusts spectrum and intensity to maintain WELL v2 Equivalent Melanopic Luxlevels throughout the day. Its low-glare design and high CRI ensure comfortable, biologically effective light.
TL;DR Melanopsin is a blue-light–sensitive photopigment that sets our body clock. Lighting tuned to melanopsin supports healthy sleep and alertness.
- Circadian trigger — regulates melatonin & cortisol
- Spectrum matters — peak sensitivity ≈ 480 nm (blue)
- Design impact — guides CCT timing & spectral mix
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Melanopsin lives in intrinsically photosensitive retinal ganglion cells (ipRGCs) . When stimulated—especially by blue-rich light—it signals the brain's master clock, influencing sleep–wake timing, pupil size, and alertness.
Circadian Sky® leverages this science: its multi-channel LEDs and ATMOS Platform™ tune spectral power to either boost or reduce melanopsin activation throughout the day—supporting WELL-aligned circadian lighting while maintaining excellent visual comfort.
TL;DR By shifting colour temperature (CCT) from cool morning blues to warm evening ambers, Circadian Sky® raises or lowers melanopic ratio and melanopic lux to match the body's daily rhythm.
- AM boost — 10 000 K–40 000 K → ratio > 0.9 for alertness
- Day balance — 6 500–10 000 K → ratio 0.6 – 0.9
- PM wind-down — 2 200–3 000 K → ratio < 0.35 for melatonin
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Circadian Sky's multi-channel LED engine modulates spectrum and intensity in real time, delivering up to 250 + melanopic lux when high biological stimulation is needed, then smoothly ramping down blue content in the evening to support melatonin release. These automated transitions keep occupants aligned with natural circadian cues while maintaining visual comfort and WELL compliance.
TL;DR Circadian Sky® offers customizable, biologically effective lighting that may support conditions like Seasonal Affective Disorder (SAD) and circadian-related sleep issues, when used as part of a broader treatment plan.
- SAD support — delivers bright, blue-enriched morning light
- Sleep rhythm aid — dims and warms in evening to support melatonin
- Custom programs — programmable day-night transitions
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Circadian Sky's tunable spectrum and dynamic scheduling features enable it to simulate natural daylight cycles that align with circadian rhythms. During the morning, it can deliver high CCT (6 500–40 000 K), blue-enriched light shown in research to support mood regulation and energy levels—especially in people with Seasonal Affective Disorder. In the evening, Circadian Sky transitions to low CCT (2 200–3 000 K), minimizing blue light to promote melatonin production and support healthy sleep cycles.
While Circadian Sky is not a medical device, its lighting capabilities align with evidence-based principles used in light therapy and circadian lighting design. For individuals experiencing SAD or sleep-related disorders, usage should be guided by a qualified healthcare provider to ensure proper timing, duration, and dosage.
Color Quality and Accuracy
TL;DR A MacAdam ellipse defines the tiny color shift the human eye can notice. Circadian Sky® holds every fixture to a single-step (≈1 SDCM) tolerance for flawless colour uniformity.
- Color threshold — 1 ellipse ≈ just-noticeable difference
- Industry norm — 3–4 steps; Circadian Sky = 1 step
- Visual benefit — perfectly matched panels in large installs
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The MacAdam ellipse maps colour‐difference limits on the CIE chromaticity diagram. A single-step (1 SDCM) means adjacent fixtures are virtually indistinguishable—crucial in healthcare, retail, and design studios where colour fidelity matters.
Each Circadian Sky panel is individually calibrated with spectroradiometers to stay within that 1-step tolerance, eliminating patchy ceilings and ensuring consistent light quality across an entire installation.
TL;DR Circadian Sky® uses multi-channel LEDs and the ATMOS Platform™ to keep CRI > 92 and R9 > 90 across its full colour-temperature range.
- Optimised LEDs — custom phosphor blends for full spectrum
- Smart mixing — ATMOS algorithms tune output in real time
- Factory calibrated — each unit tested to TM-30 Rf > 90 / Rg > 100
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A curated LED mix plus specialised phosphors give Circadian Sky a smooth, daylight-like spectral power distribution. The ATMOS Platform™ continually blends channels to hold colour fidelity —even when CCT shifts from 2 200 K to 40 000 K.
Every fixture is spectroradiometer-calibrated at the factory, logging CRI, R9, TM-30 Rf and Rg values. This guarantees superior colour rendering for healthcare, retail, and design-critical spaces.
TL;DR CRI, R9, and TM-30 are color accuracy metrics that show how well a light source reproduces true colors. Circadian Sky® scores exceptionally on all three—delivering vivid, natural, and accurate lighting for any space.
- CRI > 92 — colors look natural and vibrant
- R9 > 90 — accurate red tones for skin & medical use
- TM-30 metrics — Rf > 90 / Rg > 100 for fidelity & saturation
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CRI (Color Rendering Index) measures how accurately a light source displays common colors. Circadian Sky® scores CRI > 92, ensuring colors look true to life.
R9 focuses on saturated red tones—essential for skin tones, artwork, and healthcare. Circadian Sky maintains R9 > 90, outperforming most LEDs.
TM-30 is the industry's most advanced color metric. Rf measures fidelity (like CRI, but more accurate), and Rg gauges color saturation. Circadian Sky scores Rf > 90 and Rg > 100—delivering vivid, consistent illumination across all CCTs.
TL;DR Circadian Sky maintains high CRI and color consistency across all color temperatures—from warm candlelight to bright daylight—using advanced multi-channel LED control and factory-calibrated precision.
- Full-spectrum LED engine — optimized for every CCT
- Factory calibrated — verified at multiple color points
- Self-correcting — temperature & output compensated
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Circadian Sky uses a multi-channel LED architecture where each channel is finely tuned to contribute specific parts of the spectrum. By adjusting these channels dynamically, the system ensures consistent spectral power distribution—and therefore high CRI and R9—across the full CCT range (2 200 K to 40 000 K).
Every unit is tested at multiple temperature points during production, and performance is preserved over time with automatic compensation for temperature shifts and output changes. This level of control guarantees natural color appearance in both warm and cool light settings.
TL;DR Circadian Sky delivers exceptional R9 color rendering across its full CCT range—from warm candlelight to sky-blue daylight—ensuring consistent red tone accuracy in all environments.
- 2200K–3500K — R9 > 92 (ideal for skin tones)
- 3600K–5000K — R9 > 90 (working environments)
- 5100K–6500K — R9 > 88 (daylight simulation)
- 6600K–40 000K — R9 > 85 (sky-blue CCT range)
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R9 represents the ability of a light source to render deep, saturated reds—essential for skin tones, healthcare, design, and art. Circadian Sky's high-performance LED engine maintains R9 values above 85 even at ultra-high CCTs up to 40 000K.
These values are verified through rigorous factory testing using calibrated spectroradiometers. This industry-leading performance ensures natural-looking reds across all lighting conditions, supporting visual clarity and color-critical applications.
TL;DR Circadian Sky® keeps Duv within ±0.002 across its full CCT range by combining factory calibration with real-time spectral compensation—so the light always sits on the black-body curve and looks naturally "daylight."
- Precision mixing — multi-channel LEDs monitored in real time
- Factory calibration — each unit tuned at several CCT points
- Auto-compensation — algorithms correct drift from heat or aging
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Duv measures a light source's distance from the black-body locus; lower values mean truer, more natural white. Every Circadian Sky fixture is spectroradiometer-calibrated to hit target chromaticity at multiple colour temperatures.
Once installed, the ATMOS Platform™ continuously adjusts channel ratios to counter temperature shifts and component aging, holding Duv within ±0.002—well tighter than typical LED standards—so spaces stay visually comfortable and colour-accurate over time.
TL;DR Circadian Sky® uses its proprietary TruSky™ Technology to keep color output aligned with the blackbody and daylight loci—ensuring that light always appears naturally "daylit" across the full CCT range.
- TruSky™ Technology — real-time spectral tracking & auto-correction
- Multi-point calibration — verified against daylight & blackbody curves
- Thermal stability — automatic compensation for ambient conditions
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Circadian Sky tracks color accuracy using spectral feedback loops and calibration profiles aligned to both the blackbody and daylight chromaticity paths. This ensures each color temperature—from sunrise amber to sky blue—hits the exact point it should on the color spectrum.
TruSky™ Technology dynamically balances spectral power distribution and applies temperature compensation to prevent drift. Each fixture is tested across multiple CCTs and verified using spectroradiometers to guarantee accuracy before shipment.
This color precision is essential for realistic daylight simulation, especially in applications where natural light quality impacts mood, productivity, or visual comfort.
TL;DR Every Circadian Sky® panel is spectroradiometer-calibrated at the factory and then self-monitors in the field—keeping colour accuracy rock-solid for the life of the fixture.
- Factory tune — verified at multiple CCT points
- Self-monitoring — temperature-compensated, auto-correcting output
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1. Factory calibration. Each fixture is measured with a precision spectroradiometer at several colour-temperature set points (2 200 K → 40 000 K). Channel ratios are adjusted until CRI, R9, and Duv hit target values, and the data are logged to the fixture's firmware.
2. Quality documentation. Calibration certificates and full photometric reports accompany every shipment—handy for project submittals and WELL / LEED documentation.
3. In-field stability. Built-in sensors track drive temperature and LED output. The ATMOS Platform™ automatically compensates for ambient changes and ageing, keeping chromaticity on spec for years without manual re-tuning.
Comparison with Other Solutions
TL;DR Circadian Sky® outperforms traditional skylights in installation, lighting control, energy savings, and year-round consistency—no roof cuts required.
- Easy install — no roof cuts or weatherproofing needed
- Weatherproof experience — same light, rain or shine
- Energy smart — less heat gain/loss, lower HVAC loads
- Zero cleaning — no glass to maintain or leaks to fix
- Full control — tunable spectrum, programmable cycles
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Real skylights rely on outdoor conditions—cloud cover, solar angles, dirt, and seasonal variation. Circadian Sky eliminates those variables by recreating the experience of daylight indoors with full control over intensity and color spectrum.
There's no structural roof work, no permits, no thermal bridging, and no long-term maintenance. It installs like any recessed ceiling light but delivers the biological and visual benefits of real sky and sun.
TL;DR Unlike typical tunable white fixtures, Circadian Sky® provides full-spectrum daylight simulation with superior color fidelity and true circadian impact.
- Wider spectrum — 2 200–40 000 K vs 2 700–6 500 K
- Color quality — Single-step MacAdam, CRI > 92, R9 > 90
- Advanced control — ATMOS Platform™ with full automation
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Most tunable white fixtures are limited in spectrum, accuracy, and control. Circadian Sky overcomes these with advanced optics, precision color tracking, and full biological light tuning—meeting WELL and circadian lighting standards with ease.
TL;DR Circadian Sky® leads in CCT range, spectral accuracy, melanopic control, and system integration—setting the bar for circadian lighting.
- Unmatched range — 2 200–40 000 K with CRI > 92
- Biological tuning — verified EML & melanopic ratios
- Smart control — full automation + remote access
- Easy integration — fits ceilings, control systems, and WELL v2
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While standard circadian fixtures may offer basic tunability and automation, Circadian Sky goes further with precise spectral control, real-time feedback, and documented compliance with circadian metrics and WELL v2 standards.
It's designed to be installed easily, monitored remotely, and scaled across entire facilities—all while maintaining superior visual and biological lighting quality.
TL;DR Circadian Sky® combines patented technologies with high color fidelity, broad spectrum tuning, and seamless integration—setting a new standard in advanced circadian lighting.
- Tech-powered — ATMOS Platform™, TruSky™, DuoGlass™, and advanced thermal design
- Precision built — ±1 MacAdam ellipse, CRI > 92, verified melanopic ratios
- Architect-ready — 3.3" depth, modular, anti-ligature BH version
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Circadian Sky integrates advanced components across hardware and software—from real-time color tracking to proprietary spectrum control—to deliver unmatched performance. The fixture adapts dynamically to environments and installs cleanly in modern spaces.
TL;DR Circadian Sky® offers unmatched color fidelity with single-step MacAdam consistency, verified spectral data, and CRI > 92 across the full range.
- Color precision — ±1 MacAdam, factory calibrated, stable over time
- High fidelity — CRI > 92, R9 > 90, TM-30 Rf > 90, Rg > 100
- Fully verified — 100% tested with certification and documentation
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Most LEDs vary in accuracy across fixtures and over time. Circadian Sky maintains consistent, industry-leading accuracy via factory calibration, temperature compensation, and long-term monitoring protocols.
TL;DR ATMOS Platform™ is the brain behind Circadian Sky®—optimizing spectrum, automation, diagnostics, and building integration.
- Spectrum mastery — adaptive tuning, intelligent algorithms, predictive control
- Smart building ready — DMX, DALI, 0-10V, Casambi, and open API
- Remote enabled — performance monitoring, firmware updates, diagnostics
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From daylight scheduling to system integration, ATMOS handles full-stack lighting intelligence. It enables predictive behavior modeling, firmware delivery, and EML compliance management from a centralized interface.
TL;DR TruSky™ Technology ensures accurate color tracking, stable Duv, and multi-point calibration that surpasses typical LED calibration systems.
- Precision calibration — spectral optimization + temp compensation
- Color tracking — accurate along daylight & blackbody loci
- Performance checks — self-calibration + real-time monitoring
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TruSky™ goes beyond static binning by continuously managing Duv drift and spectral output. Each fixture is tuned for real-world performance and verified across multiple color temperatures.
TL;DR DuoGlass™ adds true sky depth and visual realism with a durable, dual‑layer optical assembly.
- Optical depth — layered reflections mimic distant sky
- Durability — impact‑resistant, UV‑protected, anti‑reflective
- Easy service — modular panels, retrofit friendly
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The dual‑pane system distributes light evenly, reduces glare, and creates multiple surface reflections—so occupants perceive an infinite, open sky without compromising privacy or insulation.
Controls & Lighting Specifications
TL;DR Circadian Sky® supports DALI‑2 DT8, DMX/RDM, Casambi mesh, dual‑channel 0‑10 V, BACnet/IP and smart scheduling via our platform.
- Digital — DALI‑2 DT8, DMX/RDM, Casambi Bluetooth
- Analog — 0‑10 V / 1‑10 V, phase dimming
TL;DR Daisy‑chain, plug‑and‑play wiring cuts labour ≈40 % and streamlines future expansion.
- Single run — Cat5e/6 or pre‑terminated harness
- Keyed plugs — error‑proof, tool‑free connections
- Modular growth — add fixtures without re‑pulling cable
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Fewer terminations boost reliability and make troubleshooting quick, while shielded/plenum options meet stringent code requirements.
TL;DR Yes—Bluetooth mesh (Casambi), optional wireless DMX, <100 ms latency, self‑healing networks.
- Up to 127 nodes per mesh, 128‑bit encryption
- Automatic discovery & smart channel hopping
- Failsafe modes keep scenes active if signal drops
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Mesh topology means every luminaire is both transmitter and repeater, delivering rock‑solid synchronisation without new cabling.
TL;DR Built‑in astronomical clock, 365‑day calendar, scenes with 0.1 s–24 h fades, and BMS hooks keep light in sync with people & planet.
- Astronomical sunrise/sunset drift compensation
- Sensor inputs — occupancy & daylight harvesting
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Priority layers allow emergency scenes to override normal programming while preserving circadian sequences the rest of the time.
TL;DR Download Casambi app ➜ create network ➜ fixtures auto‑discover ➜ set scenes & schedules.
- Real‑time intensity & CCT slider
- Astronomical schedules with fade timing
- Cloud backup & multi‑user permissions
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Casambi mesh enables wireless grouping, energy logging, and OTA firmware—ideal for retrofits or design‑build workflows.
TL;DR Purple/gray = dim; orange/brown = CCT. Class 2 wiring up to 250 ft.
- Sink current ≤ 0.5 mA; source ≤ 2 mA
- Independent intensity & CCT channels
- Smooth 1 % – 100 % linear curve
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Configure minimum level via driver DIP switch; 0 V = off, 10 V = full… use shielded pair for runs near 250 ft.
TL;DR Yes—link up to 32 fixtures in a master / follower loop for perfectly matched CCT and dimming over dual 0-10 V lines.
- Master-sync — one fixture drives the rest
- Parallel runs — colour + intensity on paired pairs
- Error-check — auto-corrects voltage drift
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Keep runs ≤ 250 ft and balance loads; the driver's built-in micro-controller maintains ±50 K colour tolerance across the group.
TL;DR Address via RDM, terminate the last run, then map Ch 1 = Dim, Ch 2 = CCT, Ch 3 = Special, Ch 4 = FX.
- 16-bit resolution for ultra-smooth fades
- Auto-address & real-time RDM feedback
- DMX / RDM mode switch in driver menu
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Use Belden 9841 or Cat5e, add a 120 Ω terminator, and unlock 16-bit CCT for theatre-grade temperature sweeps.
TL;DR Discover the fixture on your DALI-2 network, set a DT8 address, and program scenes / groups as usual.
- Full CCT 2 200 K – 40 000 K on one address
- Real-time status & fault reporting
- Emergency power-on + test features
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Multi-master operation lets BMS and wall pads share control; DT8 keeps dim + CCT perfectly synchronised.
TL;DR An on-board RTC syncs via NTP, auto-adjusts DST, and drives astronomical schedules.
- Timezone & DST auto-config
- Clock backup battery + drift compensation
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The scheduler supports sunrise/sunset offsets and override priorities for emergency scenes.
TL;DR Primary fixtures host schedules and network services; Secondary units follow and report status.
- Automatic role assignment / redundancy
- Load-balanced data processing
- Fail-safe local scenes if primary offline
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Primary devices store calendars and share them over the bus; any secondary can auto-promote if the leader goes down, ensuring uptime.
TL;DR Fixtures ship with addresses, scenes, and network creds pre-loaded—cutting site time by up to 50 %.
- Bench-tested network + spectrum
- Scene-ready default circadian cycle
- USB stick config backup included
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Every unit is burned-in and logged; site teams just power up, run a quick network scan, and start acceptance tests immediately.
TL;DR Verify wiring → scan network → run functional tests → train users.
- Install check — physical + electrical
- Address / group confirmation
- Final hand-off docs + user training
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Commissioners run scripted tests, validate emergency scenes, and export a signed report for the lighting submittal package.
TL;DR 120–277 V AC, 50/60 Hz, PF > 0.95, THD < 20 %, with built-in surge protection and UL-listed components.
- Global ready — 120-277 V / 50-60 Hz
- Clean power — THD < 20 %, PF > 0.95
- Flexible install — hard-wire or plug-in options
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Surge suppression, ≤ 20 % THD, and 0.95+ PF minimise interference with sensitive equipment. UL / CE compliance ensures safe global use.
TL;DR 35 W – 75 W per unit (size-dependent) with < 0.5 W standby.
- 35 W — 1 × 2 ft model
- 45 W — 2 × 2 ft / 1 × 4 ft / 1.5 × 4 ft
- 75 W — 2 × 4 ft flagship panel
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Output scales with dimming & CCT; intelligent drivers drop to < 0.5 W in standby for aggressive energy savings.
TL;DR 2 030 – 4 350 lm depending on size, with 1 %–100 % flicker-free dimming.
- 2 × 4 ft — 4 350 lm @ 75 W
- 1 × 4 / 2 × 2 ft — 2 610 lm @ 45 W
- 1 × 2 ft — 2 030 lm @ 35 W
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Uniform DuoGlass™ optics keep luminance even across 2 200 K–40 000 K. Full photometric sheets available on the spec page.
TL;DR Luminance < 10 000 cd/m² (45–90°), <1 000 cd glare intensity, WELL v2 L03 ready.
- DuoGlass™ multi-layer diffusion
- Uniform brightness profile
- Lab-verified photometry
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Advanced optics distribute light smoothly; third-party tests confirm WELL v2 Feature L03 compliance for comfortable visual environments.
TL;DR 55–80 lm/W (6 500 K basis) depending on model.
- 80 lm/W — 2 × 4 ft flagship
- 63–65 lm/W — mid-sizes
- 55 lm/W — compact 1 × 2 ft
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Efficacy varies ± 15 % with CCT; independent labs confirm figures to IES LM-79 methodology.
TL;DR L70 > 100 000 h for LEDs & drivers; passive cooling, 5-year warranty.
- Lumen maintenance ≥ 90 % @ 50 000 h
- Driver life > 100 000 h @ 25 °C
- Fan-free thermal design
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Passive aluminium heat-sink keeps junction temps low; firmware updates and QC logs back the 5-year comprehensive warranty.
TL;DR > 90 lm/W effective with smart dimming, < 0.5 W standby; ROI typical 2–3 years.
- Energy Star certified performance
- Astro-schedules & sensors cut kWh
- Low heat eases HVAC load
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Smart scheduling, occupancy sensing, and 40 kHz flicker-free drivers deliver high efficacy without visual compromise—ideal for sustainability-targeted projects.
TL;DR LEDs rated L70 > 100 000 h—≈ 24 yrs @ 12 h/day—with colour stability > 90 % at 50 000 h.
- ΔCCT < ±100 K over life
- Passive cooling extends chip health
- 5-yr parts & labour warranty
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TruSky™ self-calibration compensates for drift; periodic firmware updates keep spectral accuracy tight for the fixture's full lifespan.
TL;DR Yes—every panel is factory-calibrated and firmware-synchronised, so mixed sizes glow with the same luminance and colour.
- 90 %+ uniformity across each face
- Lumen-lock & single-step MacAdam matching
- Cross-size sync via TruSky™ firmware
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Each Circadian Sky unit is photometrically tuned at the factory, then lumen-locked so output remains consistent over life. During commissioning, fixtures share calibration data and adjust drive currents in real time—keeping brightness and CCT within a single MacAdam step, even when 1 × 2 ft and 2 × 4 ft panels run side-by-side. Self-monitoring circuits retune as LEDs age, ensuring long-term uniformity without manual intervention.
Installation and Maintenance
TL;DR 84 mm plenum, 120-277 V feed, fits grid/joist/strut ceilings; all hardware and docs included.
- Plenum — ≥ 3-5/16″ (84 mm)
- Power — 120-277 V AC, 50/60 Hz
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Proper airflow is required for passive cooling. Each kit ships with mounting clips/brackets, remote or integral PSU, and step-by-step instructions to speed on-site labor.
TL;DR Only 3-5/16″ / 84 mm—shallow enough for most retrofits.
- Slim profile fits low plenum spaces
- No fans—passive cooling
- Retrofit-friendly for tenant upgrades
TL;DR Yes—use the approved fire-rated back-box to preserve the ceiling's rating.
- Certified enclosures available
- Maintains 1- & 2-hour ratings
- Code guidance supplied by Innerscene
TL;DR Grid Clips, Joist Brackets, or Unistrut rails—tool-free leveling built in.
- GC — 9⁄16″ & 15⁄16″ T-bar ceilings
- JB — direct wood/metal joist mount
- US — Unistrut for specialty installs
TL;DR Fully compatible with 9⁄16″ & 15⁄16″ grids (incl. Armstrong TechZone).
- Load-spreading clip design
- Fine-tune height / tilt on site
- Tool-free removal for service
TL;DR Wipe the glass each quarter and schedule an annual photometric check—most other diagnostics run automatically.
- Quarterly — visual & DuoGlass™ clean
- Annually — colour-cal audit + firmware update
- Self-monitoring — email alerts for temps / drivers
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A quick quarterly inspection covers surface dust, ventilation paths and network status. Once a year, verify lumen output with a light meter, run the built-in colour-cal routine and pull a performance log from the ATMOS dashboard.
TL;DR Power off, use a damp microfiber with mild soap, then polish dry—no solvents or abrasives.
- Soft, lint-free cloth + pH-neutral cleaner
- Avoid ammonia, alcohol or paper towels
- Finish with dry microfiber to prevent streaks
TL;DR Inspect & clean quarterly; full system tune-up yearly; update firmware as released.
- Q1 / Q2 / Q3 / Q4 — dust & glass clean
- Yearly — calib, network test, log backup
- As-needed — firmware, upgrades, repairs
TL;DR Log the issue, call Innerscene Support—80 % of faults resolve remotely.
- Record serial & error code (ATMOS app)
- Contact [email protected]
- Arrange on-site visit if hardware swap is required
TL;DR Yes—LED engines, drivers, DuoGlass™, and control boards ship within 48 h from US & EU depots.
- Factory-certified modules for plug-and-play swap
- 5-year parts warranty (extendable to 10)
- Order via rep or innerscene.com/parts
Product Lifespan and Warranty
TL;DR LEDs rated L70 > 105 k hrs—roughly 25 years at 12 h/day.
- L70 > 105 000 h | L80 > 85 000 h
- Power & control MTBF > 100 000 h
- DuoGlass™ optical life > 20 yrs
- Auto-cal keeps colour < 1 SDCM drift
- 0 – 40 °C / 10–90 % RH / IP-20
TL;DR 5-year parts & labour—extendable to 10 years.
- LED, drivers, controls, DuoGlass™ all covered
- Advance-replace option for mission-critical sites
- On-site service available via authorised reps
- Extended plans add preventive visits & priority swap
TL;DR Yes—plug-and-play LED cartridges swap in minutes.
- Modular LED boards, tool-less access hatch
- Factory-binned & calibrated for colour match
- Includes post-install spectral verification file
- Qualified tech required to keep warranty valid
TL;DR Drivers are field-replaceable via quick-disconnect panel.
- Slide-out tray with keyed connectors
- Clearly labelled voltage & control ports
- How-to video & PDF in support portal
- Stocked in US & EU depots for 48 h ship
Project Planning and Design
TL;DR Start with 1 unit / 80–100 sq ft, then fine-tune in AGi32 or DIALux using our IES files.
- Target ≈ 300–500 lux | 250 EDI melanopic
- Use higher density for healthcare & 24 / 7 spaces
- Free layout review — email floor plan to Design Desk
TL;DR Keep units 0.3–0.4 H apart, 30 in off walls, and clear 6 in above for airflow.
- Align with ceiling grid / HVAC diffusers
- Maintain UGR < 19 by avoiding direct sightlines
- Provide 24 in service clearance on one side
TL;DR Use DMX, DALI-2 DT8, 0-10 V or Casambi; BACnet gateway available.
- Mixed-protocol projects supported (e.g., DMX BACnet)
- Provide Cat5e/6 or low-voltage pairs in shared conduit
- Download our Sequence of Operations template
TL;DR Deliver ≥ 250 EDI melanopic lux 08:00–14:00; warm down to < 0.35 ratio after 20:00.
- Vertical eye-level targets trump horizontal work-plane
- 30 min sunrise / sunset fades improve comfort
- Log and audit spectra yearly for WELL v2 L09
TL;DR Healthcare needs higher lux & impact rating; offices need auto-dimming; BH facilities use anti-ligature trims.
- Healthcare — 500-1 000 lux, IP-sealed
- Office — 300-500 lux plus occupancy sensors
- Behavioral Health — IK10 + tamper screws