NORA NLTH-81TW Theia LED Tunable Downlight User Guide
- June 1, 2024
- NORA
Table of Contents
NORA NLTH-81TW Theia LED Tunable Downlight User Guide
PRODUCT DESCRIPTION
Theia LED luminaires are commercial grade downlights designed for easy installation into new construction or remodel applications. Tunable white luminaires include an integral color temperature switch located on the junction box of each luminaire with a quick connect that allows for easy disconnect and mounting in the ceiling.
FEATURES
- Five color temperatures in each fixture (2700K / 3000K / 3500K / 4000K / 5000K)
- No housing required and includes junction box with class 2 driver
- Quick installation and cost savings
- IC Air-Tight rated
- cETLus Listed for Wet Locations
- 5-year limited warranty
SPECIFICATION
Construction: Aluminum luminaire with spring clips for easy installation. Gasket included for air-tight and wet location listing without additional caulking.
Air Flow Restriction: Luminaire has factory installed gasket to restrict airflow from room into ceiling plenum to <2CFM (cubic feet per minute) in accordance with ASTM-283 Air-Tight requirements.
Junction Box : Prewired junction box includes quick connect to LED fixtures for ease of installation. Junction box includes four 1/2” knockouts, two keyhole slots and snap on cover. Maximum of 4 No. 12 AWG or Maximum of 6 No. 14 AWG through branch circuit conductor suitable for 90°C permitted in box. [Fixture wire length : 7-1/2” and Junction box wire length: 10-1/2”]
Mounting: No housing is required, two tensions steel spring clips secure luminaires to the ceiling. Luminaires accept ceiling thicknesses from 3/8″ to 1-1/4″. New construction frame-in or plate are available (ordered separately), not required.
Minimum clearance: “IC” Insulated ceiling luminaires are direct contact rated; no minimum clearance is required.
ELECTRICAL
Voltage: 120VAC (blank) or 120-277VAC (LE4), must specify
Lumens / Wattage: Up to 2100lm / 22W
Color Temperature: Selectable CCT: 2700K / 3000K / 3500K / 4000K / 5000K
(Note: Preset to 3000K)
Color Rendering Index : 90+ CRI
Beam Spread : 94° Wide Flood
Operating Temperature : 0°C to 35°C ambient temperature
Lifetime: 50,000 hours @ L70
Dimming: Triac/ELV (blank) or 0-10V (LE4), must specify
Click Here or check complete dimmer list at
www.NoraLighting.com in the “Compatibility”
page under “Resources” tab
OPTIONAL ACCESSORIES
NF-R725: New Construction Frame-In
NFP-R725: New Construction Plate
LABELS AND LISTINGS
- cETLus Listed for Wet location
- ENERGY STAR certified
- Certified to the high efficacy requirements of California Title 24 JA8-2022
- 5-Year Limited Warranty
- FCC Compliant
8″ Theia LED Downlight with Selectable CCT
Finish
- NLTH-81TW-HZMPW = Haze Reflector / Matte Powder White Flange
- NLTH-81TW-MPW = Matte Powder White Reflector / Matte Powder White Flang
Input Voltage / Dimming
- (blank) = 120VAC; Triac/ELV dimming
- LE4 = 120-277VAC; 0-10V dimming
Example: NLTH-81TW-MPW = 8″ Theia LED Downlight with Selectable CCT, Matte Powder White Finish, 120VAC input; Triac or ELV dimming
Optional Accessories
Description
- NF-R725 = New Construction Frame-In
- NFP-R725 = New Construction Plate
Performance Data
Part Number| Lumens| CCT
NLTH-81TW-MPW| 1920lm| 2700K
NLTH-81TW-MPW| 2039lm| 3000K
NLTH-81TW-MPW| 2112lm| 3500K
NLTH-81TW-MPW| 2148lm| 4000K
NLTH-81TW-MPW| 2082lm| 5000K
PRODUCT IMAGES AND DIMENSIONS
Selectable CCT
Five position sliding switch 27K / 30K / 35K / 40K / 50K
NLTH-81TW-HZMPW
Haze Reflector / Matte Powder White Flange
NLTH-81TW-MPW
Matte Powder White Reflector / Matte Powder White Flange
NLTH-81TW
8″ Theia LED Downlight with Selectable CCT Accessories
New Construction Frame-In
New Construction Plate
NF-R725
New construction frame-in can be used to assist installing can-less recessed
down lighting.
NFP-R725
New construction plate can be used to assist installing can less recessed down
lighting.
PHOTOMETRICS
8″ Theia LED Tunable Downlight
Test Information
Test Number : NTR1770R2
Part Number: NLTH-81TW-MPW
Beam Spread: 94° Wide Flood
Lumens: 1920lm
Wattage: 21.01W
Efficacy: 91lpw
CCT / CRI : 2700K / 90 CRI
Spacing Criteria: (0°-180°): 1.2
Spacing Criteria: (90°-270°): 1.2
Polar Curve
Illuminance at a Distance
| Distance from Luminaire | FC at Nadir | Beam Diameter |
|---|---|---|
| 12′ | 6.4fc | 25′-11″ |
| 14′ | 4.7fc | 30′-4″ |
| 16′ | 3.6fc | 34′-7″ |
| 18′ | 2.9fc | 38′-11″ |
| 20′ | 2.3fc | 43′-2″ |
Zonal Lumen Summary
| Zone | Lumens | %Luminaire |
|---|---|---|
| 0-30 | 695 | 36.2 |
| 0-40 | 1113 | 58 |
| 0-60 | 1759 | 91.6 |
| 0-90 | 1920 | 100 |
| 90-180 | 0 | 0 |
| 0-180 | 1920 | 100 |
Candela Table
| Vertical Angles | Candela |
|---|---|
| 0 | 923 |
| 5 | 914 |
| 15 | 875 |
| 25 | 795 |
| 35 | 673 |
| 45 | 511 |
Test Number: NTR1771R2
Part Number: NLTH-81TW-MPW
Beam Spread: 94° Wide Flood
Lumens: 2039lm
Wattage: 20.64W
Efficacy: 99lpw
CCT / CRI: 3000K / 90 CRI
Spacing Criteria (0°-180°): 1.2
Spacing Criteria (90°-270°): 1.2
Polar Curve
Illuminance at a Distance
| Distance from Luminaire | FC at Nadir | Beam Diameter |
|---|---|---|
| 12′ | 6.8fc | 26′ |
| 14′ | 5fc | 30′-4″ |
| 16′ | 3.8fc | 34′-7″ |
| 18′ | 3fc | 38′-11″ |
| 20′ | 2.5fc | 43′-4″ |
Zonal Lumen Summary
| Zone | Lumens | %Luminaire |
|---|---|---|
| 0-30 | 738 | 36.2 |
| 0-40 | 1183 | 58 |
| 0-60 | 1869 | 91.7 |
| 0-90 | 2039 | 100 |
| 90-180 | 0 | 0 |
| 0-180 | 2039 | 100 |
Candela Table
| Vertical Angles | Candela |
|---|---|
| 0 | 978 |
| 5 | 974 |
| 15 | 930 |
| 25 | 843 |
| 35 | 716 |
| 45 | 541 |
Test Number : NTR1772R2
Part Number : NLTH-81TW-MPW
Beam Spread: 94° Wide Flood
Lumens: 2112lm
Wattage: 20.19W
Efficacy: 105lpw
CCT / CRI: 3500K / 90 CRI
Spacing Criteria (0°-180°): 1.2
Spacing Criteria (90°-270°): 1.2
Polar Curve
Illuminance at a Distance
| Distance from Luminaire | FC at Nadir | Beam Diameter |
|---|---|---|
| 12′ | 7fc | 26′ |
| 14′ | 5.2fc | 30′-5″ |
| 16′ | 4fc | 34′-8″ |
| 18′ | 3.1fc | 39′ |
| 20′ | 2.5fc | 43′-5″ |
Zonal Lumen Summary
| Zone | Lumens | %Luminaire |
|---|---|---|
| 0-30 | 764 | 36.2 |
| 0-40 | 1224 | 58 |
| 0-60 | 1935 | 91.6 |
| 0-90 | 2112 | 100 |
| 90-180 | 0 | 0 |
| 0-180 | 2112 | 100 |
Candela Table
| Vertical Angles | Candela |
|---|---|
| 0 | 1013 |
| 5 | 1007 |
| 15 | 960 |
| 25 | 874 |
| 35 | 743 |
| 45 | 561 |
Test Number: NTR1773R2
Part Number: NLTH-81TW-MPW
Beam Spread: 94° Wide Flood
Lumens: 2148lm
Wattage: 20.54W
Efficacy: 105lpw
CCT / CRI: 4000K / 90 CRI
Spacing Criteria (0°-180°): 1.2
Spacing Criteria (90°-270°): 1.2
Polar Curve
Illuminance at a Distance
| Distance from Luminaire | FC at Nadir | Beam Diameter |
|---|---|---|
| 12′ | 7.2fc | 26′ |
| 14′ | 5.3fc | 30′-4″ |
| 16′ | 4fc | 34′-7″ |
| 18′ | 3.2fc | 38′-11″ |
| 20′ | 2.6fc | 43′-4″ |
Zonal Lumen Summary
| Zone | Lumens | %Luminaire |
|---|---|---|
| 0-30 | 645 | 30 |
| 0-40 | 1056 | 49 |
| 0-60 | 1937 | 90.2 |
| 0-90 | 2148 | 100 |
| 90-180 | 0 | 0 |
| 0-180 | 2148 | 100 |
Candela Table
| Vertical Angles | Candela |
|---|---|
| 0 | 1031 |
| 5 | 1025 |
| 15 | 977 |
| 25 | 886 |
| 35 | 754 |
| 45 | 569 |
Test Number : NTR1774R2
Part Number: NLTH-81TW-MPW
Beam Spread: 94° Wide Flood
Lumens : 2082lm
Wattage: 21W
Efficacy: 99lpw
CCT / CRI : 5000K / 90 CRI
Spacing Criteria (0°-180°): 1.2
Spacing Criteria (90°-270°): 1.2
Polar Curve
Illuminance at a Distance
| Distance from Luminaire | FC at Nadir | Beam Diameter |
|---|---|---|
| 12′ | 6.9fc | 26′ |
| 14′ | 5.1fc | 30′-4″ |
| 16′ | 3.9fc | 34′-7″ |
| 18′ | 3.1fc | 39′ |
| 20′ | 2.5fc | 43′-4″ |
Zonal Lumen Summary
| Zone | Lumens | %Luminaire |
|---|---|---|
| 0-30 | 752 | 36.1 |
| 0-40 | 1205 | 57.9 |
| 0-60 | 1906 | 91.5 |
| 0-90 | 2082 | 100 |
| 90-180 | 0 | 0 |
| 0-180 | 2082 | 100 |
Candela Table
| Vertical Angles | Candela |
|---|---|
| 0 | 996 |
| 5 | 991 |
| 15 | 946 |
| 25 | 863 |
| 35 | 730 |
| 45 | 552 |
6505 Gayhart Street, Commerce, CA 90040
Tel 800.686.6672 | www.noralighting.com |
e-mail: [email protected]
© 2024 Nora Lighting, Inc. All rights reserved. Specifications subject to
change without notice.