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Quintessence round – Thesystem solution for excellentvisual comfort
Large luminaire spacing, highuniformity and excellent visualcomfortQuintessence sets standards interms of visual comfort, effi-ciency and quality of light forrecessed luminaires. The high-effi-ciency product family consists ofdownlights, lens wallwashers anddirectional spotlights in round andsquare designs. Characteristic ofQuintessence downlights and lenswallwashers is their good glarecontrol and high uniformity of illu-mination. The 90° beam angle anda 40° cut-off allow wide luminairespacing between downlights and
therefore high-quality, efficientambient lighting. Tunable whitetechnology also enables the col-our temperature of the light to bemodified. Human Centric Light-ing concepts are thus supported,matched to the incident daylight.
ETechnical Region: 220-240V 50/60HzWe reserve the right to make technicaland design changes.Edition: 03.11.2020
Current version underwww.erco.com/quintessence-round
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Structure and characteristicsThe features described here are typicalof products in this range. Special ver-sions may offer additional or varyingfeatures. A comprehensive descriptionof the features of individual productscan be found on our website.
1 ERCO darklight reflector– Downlight: cut-off angle 40°– Polymer, aluminium vaporised,
mirror-finish
or
Wallwasher reflector– Cut-off angle 80°– Polymer, aluminium vaporised,
mirror-finish
2 ERCO LED-module– High-power LEDs: warm white
(2700K or 3000K) or neutral white(3500K or 4000K)
– Chip-on-board LED: tunable white(2700-6500K)
– Directional luminaire with collimat-ing lens made of optical polymer
3 Diffuser or lens– Made of optical polymer– Diffuser lens, wide flood, extra wide
flood or lens system, wallwash– Directional luminaire with Spherolit
lens narrow spot, spot or flood
4 Mounting ring– Covered mounting detail– Fixing for ceiling thicknesses of
1-25mm (size 3-4) or 1-30mm (size5-7)
– Polymer, white– For flush mounting: mounting ring
to be ordered separately, fixing forceiling thicknesses of 12.5–25mm
5 Housing– Cast aluminium, designed as heat
sink– Rotatable through 360°– Fixing ring: polymer, black– Fixing of the beam direction– Directional luminaire: 0°-30° tilt.
Lockable angles of tilt and rotation
6 Control gear– Switchable, phase dimmable, DALI
dimmable or Casambi Bluetooth– Phase dimmable version: Dimming
with external dimmers possible(trailing edge)
Variants on request– Reflector: coated matt gold, matt
silver or matt champagne– Connection: 3- or 5-pole plug with
connection cable (Wago or Wieland)– Mounting ring: 10,000 further
colours– Ceiling channel systemPlease contact your ERCO consultant.
Design and application:www.erco.com/quintessence-round
Quintessence round Recessed luminaires
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Very high visual comfortThe darklight reflector combinesmaximum visual comfort with anoptimum light output ratio.
Suitable for office workstationsERCO develops luminaires with thespecifications of good glare controland high visual comfort. UGR val-ues are used as support for purelynorm-referenced lighting. Withdownlights though this should notbe carried out using ’blanket’ val-ues, but should be implementedaccording to the individual arrange-ment of luminaires in the room.
Tunable white technologyJust as the colour temperature out-doors changes continuously duringthe day, the colour temperature ofindirect lighting can be adjustedindoors to e.g. support lighting con-cepts for Human Centric Lighting.
Covered or flush mounting detailAs standard, all recessed lumin-aires have overlapping installationdetails. Flush mounting rings areavailable as accessories.
Special characteristics
Excellent visual comfort
For office workstation light-ing from UGR 18.9
Tunable white
Flush or covered mountingdetail
ERCO high-power LEDs
Efficient Spherolit techno-logy
Cut-off 40°/80°
Different light distributions
Different light colours
Excellent thermal manage-ment
EMC-optimised
Various construction sizes
Lockable
Tool-free mounting
Switchable
Phase dimmable
DALI dimmable
Casambi Bluetooth
Quintessence round Recessed luminaires
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DownlightsWide flood, Extra wide flood
General lightingFor uniform ambient lighting withhigh visual comfort, the spacing(d) between two Quintessencedownlights may be up to approx-imately 1.5 times the height (h) ofthe luminaire above the workingplane.
Arrangement: d ≤ 1.5 x h
The wall offset should be half theluminaire spacing.
Arrangement: a = d / 2
Lens wallwashersWallwash
WallwashingFor uniform vertical illuminance,the distance (a) of Quintessencelens wallwashers from the wallshould be around one third of theroom height (h).
Arrangement: a = 1/3 x h
For good longitudinal uniformity,the spacing (d) of Quintessencelens wallwashers may be up to1.3 times the offset from the wall(a).
Arrangement: d ≤ 1.3 x a
The optimal wall offset and lumin-aire spacing for each product areindicated in the wallwasher tablesin the catalogue and the productdata sheets.
Directional luminairesNarrow spot, Spot, Flood
α
AccentuationQuintessence directional luminairesaccentuate artwork, products andarchitectural details effectively.The ideal angle of tilt (y) for this isaround 30°. The object is modelledwithout distorting the effect as aresult of excessive shadowing. Italso prevents shadows cast by theobserver.
Arrangement: y = 30°
Quintessence round Recessed luminaires – Luminaire arrangement
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PhilharmonicOrchestra, Stettin.Architecture: Estu-dio Barozzi Veiga,Barcelona. Pho-tographer: DirkVogel, Dortmund.
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Quintessence round Recessed luminaires
Light colour
Light distribution
Control
Accessories
Construction size
DALI
Size 3
Tunable white
Downlights
Wide flood
Extra wide flood
Concrete mounting enclosure Spacer plate Compensation set
Mounting ring Mounting plate for panelled ceilings Cover ring
Downlights Directional luminaires
Wide flood Narrow spot
Extra wide flood Spot
Lens wallwashers Flood
Wallwash
2700K CRI 92 3500K CRI 92
3000K CRI 92 4000K CRI 82
3000K CRI 97 4000K CRI 92
12W/1650lm 2W/275lm (Narrow spot) 12W/1600lmLED moduleMaximum value at 4000K CRI 82
Switchable DALI
Phase dimmable Casambi Bluetooth
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d142
113
DALI
Size 4
Tunable white
Downlights
Wide flood
Extra wide flood
Article numbers and planning data: www.erco.com/014091
Design and application:www.erco.com/quintessence-round
Downlights Directional luminaires
Wide flood Narrow spot
Extra wide flood Spot
Lens wallwashers Flood
Wallwash
2700K CRI 92 3500K CRI 92
3000K CRI 92 4000K CRI 82
3000K CRI 97 4000K CRI 92
18W/2475lm 3W/410lm (Narrow spot) 18W/2100lm
* available on request
Switchable DALI
Phase dimmable Casambi Bluetooth
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Q177
132
Quintessence round Recessed luminaires
Light colour
Light distribution
Control
Construction size
DALI
Accessories
Size 5
Tunable white
Downlights Directional luminaires
Wide flood Narrow spot
Extra wide flood Spot
Lens wallwashers Flood
Wallwash
Downlights
Wide flood
Extra wide flood
Concrete mounting enclosure Spacer plate Compensation set
Mounting ring Mounting plate for panelled ceilings Cover ring
2700K CRI 92 3500K CRI 92
3000K CRI 92 4000K CRI 82
3000K CRI 97 4000K CRI 92
24W/3300lm 6W/825lm (Narrow spot) 18W/2400lmLED moduleMaximum value at 4000K CRI 82
Switchable DALI
Phase dimmable Casambi Bluetooth
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Q221
157
Downlights Directional luminaires
Wide flood Narrow spot
Extra wide flood Spot
Lens wallwashers Flood
Wallwash
Size 7
Article numbers and planning data: www.erco.com/014091
Design and application:www.erco.com/quintessence-round
2700K CRI 92 3500K CRI 92
3000K CRI 92 4000K CRI 82
3000K CRI 97 4000K CRI 92
32W/4400lm 8W/1100lm (Narrow spot)
* available on request
Switchable DALI
Phase dimmable Casambi Bluetooth
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University ofNeubranden-burg, Building4, Neubranden-burg / Germany.Architecture:A&S GmbHNeubranden-burg. Lightingdesign: NEIB -Neubranden-burger Elektro-Ingenieur-BüroGmbH. Installa-tion: EIM GmbHElektro-Install-ation-Montage,Greifswald. Pho-tography: FriederBlickle, Hamburg.
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China DesignMuseum, Hang-zhou. Architecture:Álvaro Siza, Porto.Photography:Jackie Chan,Sydney.
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