Troika

3

Troika is the new asymmetric ‘flatglass’ floodlight from Thorn for250 - 600 Watt discharge lampsusing adjustable lampholders for arange of sports, functional andarchitectural floodlightingapplications.

This unique combination ofperformance and productfeatures make Troika ideallysuited to floodlightingapplications where highperformance must be matchedby effective control of lightpollution, for example, floodlitsports areas, indoor sports halls,swimming pools, airport aprons,docks, car parks, freight yards,and motorway service areas.Applications extend toarchitectural floodlighting whereuplighting and facadeillumination is required.

Whilst the engineering needshave been comprehensivelyaddressed, attention has also been paid to the aestheticsof the product, resulting in asleek housing with a simple style.

Its innovative reflector has beendesigned to optimise floodlightingperformance and the adjustablelampholder offers a variety oflight distributions making Troikasuitable for a wide range ofapplications. At the same time,the light output is finely controlledto minimise light pollution.

The single size body is used with a variety of integral gearoptions, giving a range of 250 to 600 Watts.

Employing the best in materialsand manufacturing technology,Troika also boasts features whichsimplify installation andmaintenance, plus a range of accessories, all combined to givethe best value in ‘flat glass’floodlighting today.

4

The term light pollution is used todescribe a number of adverseeffects which are undesirable by-products of many exteriorlighting applications. To some,light pollution prevents us seeingthe night sky, to others it is theglare from a badly aimedfloodlight. The main componentsof light pollution can be clearlyidentified and positive steps canbe taken to minimise their effects,including the correct selection oflighting equipment and propercontrol of the light output. Suchcontrol must be inherent to thefloodlight if it is to be effective.

Light trespass is the spillageof light beyond a designatedarea into an adjacent area. Atbest it is a waste of light andenergy. (see diagram 1)

It can be eliminated by properoptical design of the reflector sothat the edges of the beam aretightly controlled within therequired area.

Intrusive light or glare is theresult of poor control of lightoutput. The most commonexample is probably from sportslighting, where the intense outputof high power floodlights isvisible to neighbours inside theirown homes. This can causeirritation and disturbed sleep andin extreme cases could be adistraction to passing traffic.

This can be avoided if thefloodlight has a total cut off inthe light distribution near to thehorizontal such that neither thelamp nor the optics are visiblebeyond the designated area.(see diagram 2)

Sky glow describes the effectsof light escaping into the nightsky, which can produce a halo oflight above towns and othersignificant lighting installations.In addition to being visuallyunpleasant this has the effect ofobscuring the night sky.

With floodlights it is caused bytwo components. Firstly the directupward light from a floodlight.This can be eliminated by the useof horizontal ‘flat glass’ designs.Secondly, upward light reflectedfrom the ground. In sportslighting for example, grass canreflect around 10% while someartificial surfaces can reflect asmuch as 20 - 25%. Highillumination levels common tosports floodlighting applicationscan make this reflectedcomponent significant.(see diagram 3)

The solution is to light to thelowest average lighting levelconsistent with proper visibilityfor the sport and to achieve highlevels of uniformity. Floodlightinstallations that give highuniformity with a minimumnumber of floodlights can satisfythis requirement. Inherent in thissolution is the use of floodlightsthat have a peak intensity at ahigh elevation angle, combinedwith a cut off angle below thehorizontal.

Light pollution can be minimisedwith a well designed lightinginstallation if the floodlight offers a:

• precisely controlled light distribution

• peak intensity at a high elevation angle

• total cut off below the horizontal(see diagram 4)

• high levels of illuminance anduniformity

Light is directed across the ground where it is needed

Direct upward light emissions into the night sky are prevented completely

The light emitting surface of the projectorstays parallel with the ground

Peak intensity

Wasted and intrusive light minimised by optical ‘cut-off’

Indirect reflected light

Intrusive light or glareUseful light

Light tresspass

Sky glow

Flat glass technology

A floodlight with an asymmetricallight distribution which enables theillumination of large areas whilstmaintaining a horizontal (flat) frontglass position.

The avoidance of light pollution using ‘flat glass’technology

Diagram 1 - Light trespass and Sky glow

Diagram 3 - Reflected Sky glow

Diagram 4 - Peak intensity

Diagram 2 - Horizontal position of flat glass

5

Designing installations withflat glass floodlights

The designer of a lightinginstallation can achieve hislighting objectives usingtraditional floodlights, free fromthe constraints of light pollutionconsiderations, by rotating thefloodlights from side to side, aswell as tilting them up and down.

However, when using ‘flat glass’floodlights, the lightingperformance must be achievedby using only the side to siderotational adjustment. If this failsto achieve the requiredperformance levels, there are alimited number of optionsavailable in areas where lightpollution is more sensitive:

• Do nothing and sacrifice lighting performance

• Increase the number of floodlights, so increasing installation and running costs, and sky glow from more reflected light

• Tilt the floodlights in the vertical plane, increasing light trespass and glare

• Increase the mounting height, which will lead to higher costs in the columns

6

Troika is an extremely efficient ‘flatglass’ asymmetric floodlight with alight cut-off close to the peakintensity angle.

It also offers a choice of fourdifferent light distributions foreach lamp option. The lightdistributions vary not only in theirdegree of asymmetry, but also intheir intensity and beam width.By mixing and matching the lightdistributions to individualinstallations, the designer canachieve the lighting objectiveswhile still retaining the ‘flat glass’in a horizontal position. (see diagram 1)

Troika OptimisedInstallation• Performance• Illuminance• Uniformity

Troika Reduced LightPollution• No direct upward light• Minimised skyglow

contribution• Minimised light trespass• Minimised glare

Troika Reduced Costs• Reduced quantity - lower

installation and maintenance costs

• Reduced column costs

Troika’s unique optical system

Troika Variable 60-70 - usesa reflector in conjunction with avariable position lampholder,which provides three differentlight distributions, varying inintensity, beam width and peakangle intensity (Ipeak), from thesame reflector. These floodlightsprovide three different Ipeakangles between nominally 60°and 70°. They are ideal forapplications that requireillumination over a wide area,for instance tennis courts, multi-purpose sports facilities, indoorsports halls, car and lorry parks.(see diagram 2)

Troika Fixed 45 - uses adifferent reflector with a fixedposition lampholder, providing asingle light distribution per lampoption. The Ipeak angles of thesefloodlights is nominally 45° andis ideal for applications where asurface must be illuminated froma source with a degree ofincidence significantly below60°. The best examples areswimming pools and uplightingapplications, where a lower i-peak angle is required to avoidexcessive surface reflectance.(see diagram 3)

Note that the exact Ipeak anglesand distributions of Troikadepend upon the lamp optionselected. Please refer to thephotometric tables detailed onpages 12 and 13.

TROIKA ‘B’: with fixed lamp position; peak intensity angle of approximately 45°. Ideal for illuminating swimming pools.

45°

TROIKA ‘A’: with variable lamp position for a choice of peak intensities betwen 60°-70°.

60°

65°

70°

Variable lamp positions provide a choice of peak intensity angleswithout the need to tilt the projector

Troika offers the solution

Diagram 1 - Variable lamp positions

Diagram 2 - Troika variable 60-70

Diagram 3 - Troika fixed 45

7

As can be seen, due to itsphotometric versatility, Troika reallyinitiates the next generation in ‘flatglass’ lighting solutions.

Please refer to the sampleprojects on pages 10 and 11 of this brochure to see typical schemes.

8

Product detailOrdering guideDimensionsAccessories

Lamps250W/400W/600W

HPS-T Tubular High PressureSodium, Cap E40.

250W/400W HPS-DEDouble Ended High PressureSodium, Cap FC2.

250W/400W HITTubular Metal Halide, Cap E40.

250W/400W HIT-DEDouble Ended Metal Halide, Cap FC2.

Materials/FinishBody: Re-cyclable pressure die-cast aluminium LM2, powdercoat painted in grey. Standardfinish close to RAL9007.Alternative colour finish available on request.Gear tray cover: Re-cyclabletechnopolymer (Polyamidereinforced with 20% glass fibre) Glass: Toughened, 5mm thickStirrup: Galvanised steel, painted in greyBolts and screws: Stainless steelGlass fixing toggles: Re-cyclabletechnopolymer (Polyamide reinforced with 20% glass fibre)Reflector: Ultra specular pre-anodised high grade aluminiumAccessories frame: Aluminium

Installation/MountingAccess to lamp via hinged glassreleased by four retained Allenscrews and sliding toggles.Lamp replacement possiblewithout removing attachments.Installation of gear tray andaccess to separate gearcompartment via removable gearcover released by four retainedAllen screws.Cable gland for 7.5 - 13mmdiameter cable.Additional knock out provided forthrough wiring.Aiming is simplified by indicatoron floodlight body.Stirrup fixed by bolts throughcentral 22mm diameter hole andtwo further 15mm diameter holespositioned 100mm either side ofthe central hole.Maximum ambient temperature(Ta max) = + 35°C (250 &400W lamp options).Maximum ambient temperature(Ta max) = + 25°C (600W lampoptions).The 600W option may be usedfor interior applications if thecontrol gear is housed remotelyfrom the fitting.

StandardsDesigned and manufactured tocomply with EN 60598Electrical Class II as standardElectrical Class I with accessorykit.850°C Hot Wire

IP65Shock resistance as standard: IK 08 (5 Joules)Shock resistance with wireguard: IK 10 (20 Joules)Windage: 0.12m2

9

Accessories

All accessories are mounted in acommon aluminium frame whichfixes to the face of the floodlightand is hinged along one side toease lamp maintenance. Accessto the lamp can be achievedwithout the need to fully removethe accessories.

A number of accessories havebeen designed either to add asplash of colour to anillumination project, to protect thefloodlight from vandalism orother impacts, or to furthercontrol the light emissions forextra sensitive installations.

Lux guillotineA particularly inventive accessoryis the ‘adjustable vertical lightshield’, which has beendeveloped for areas of extremesensitivity to light spill. It isadjustable on-site and enablesthe light beam to be cut offexactly where it is required.

FloodlightOrder floodlight plus gear tray for complete luminaire. Lamps to be ordered separately.

Lamp type & rating Description Weight (Kg) Cat. No.HPS-T/HIT 250W/400W Floodlight with variable lampholder 14.0 QTKA2540MSE40HPS-T/HIT 250W/400W Floodlight with fixed position lampholder 14.0 QTKB2540MSE40HPS-DE/HIT- DE 250W/400W (Philips) Floodlight with variable lampholder 14.0 QTKA2540MSFC2HPS-DE/HIT- DE 250W/400W (Philips) Floodlight with fixed position lampholder 14.0 QTKB2540MSFC2HIT-DE 250W (Osram) Floodlight with variable lampholder 14.0 QTKA25MFC2HIT-DE 250W (Osram) Floodlight with fixed position lampholder 14.0 QTKB25MFC2HPS-T 600W Floodlight with variable lampholder 14.0 QTKA600SE40HPS-T 600W Floodlight with fixed position lampholder 14.0 QTKB600SE40Product available in white on request.

Description Weight (Kg) Cat. No.Class I kit (to be fitted to the gear tray on site) 0.1 QTKEKLux guillotine and accessory frame 1.5 QTKLGBarn doors 1.0 QTKBDWire guard 1.9 QTKWGLouvre 0.85 QTKLVColour filter (red) 1.9 QTKFI/RColour filter (blue) 1.9 QTKFI/BColour filter (green) 1.9 QTKFI/GColour filter (yellow) 1.9 QTKFI/YShort stirrup - QTKSS

Gear TraysLamp type & rating Reflector Weight (Kg) Cat. No.HIT 250W (Philips) Variable 3.50 CON2HPI-T250.4HIT 400W (Philips) Variable 4.98 CON2HPI-T400.4HIT 250W (Osram) Variable 3.50 CON2SHP250.4HIT 400W (Osram) Variable 4.98 CON2HQI-T400.4HPS-XLT 250W Variable 3.50 CON2SHP250.4HPS-XLT 400W Variable 4.98 CON2SHP400.4HPS-T 250W Variable 3.50 CON2SHP250.4HPS-T 400W Variable 4.98 CON2SHP400.4HPS-T 600W Variable 7.90 QTKG600HPS

HIT 250W (Philips) Fixed 3.50 CON2HPI-T250.4HIT 400W (Philips) Fixed 4.98 CON2HPI-T400.4HIT 250W (Osram) Fixed 3.50 CON2SHP250.4HIT 400W (Osram) Fixed 4.98 CON2HQI-T400.4HPS-XLT 250W Fixed 3.50 CON2SHP250.4HPS-XLT 400W Fixed 4.98 CON2SHP400.4HPS-T 250W Fixed 3.50 CON2SHP250.4HPS-T 400W Fixed 4.98 CON2SHP400.4HPS-T 600W Fixed 7.90 QTKG600HPS

HIT-DE 250W Variable 3.50 CON2MH250.4HIT-DE 400W Variable 4.98 CON2MH400.4HPS-DE 250W Variable 3.50 CON2SHP250.4HPS-DE 400W Variable 4.98 CON2SHP400.4

HIT-DE 250W Fixed 3.50 CON2MH250.4HIT-DE 400W Fixed 4.98 CON2MH400.4HPS-DE 250W Fixed 3.50 CON2SHP250.4HPS-DE 400W Fixed 4.98 CON2SHP400.4

520 195

750

270

Ø15

100

Ø22 Ø15

100

Windage: 0.12m2

SpecificationTo specify state:‘Flat glass’ asymmetric floodlightin die-cast aluminium with highgrade technopolymer gear traycover and adjustable lampholder mechanism, sealed toIP65 (optical and gearcompartment). Access to lampvia hinged glass with fourretained fixing points. Installationof, and access to, gear tray viaremovable cover with integralrespirator. Suitable for250W/400W/600W highpressure sodium lamps and250W/400W metal halide lamps. As Thorn Troika.

10

Sample Projects

EN 12193 is the European normfor sportslight applications.

Single Tennis Court - Class 3 (training)

No of floodlights: 8 (variable)No of columns: 4Mounting Height: 6.0mLamp: HPS-T 400W

Lamp position 1Initial lamp lumens:48000lm

Troika EN12193 result Requirement

Dimension 36 x 18m 36 x 18mCalculation Points 15 x 7 15 x 7Maintained Average 205 Lux 200 Lux IlluminanceUniformity 0.6 0.6Glare Rating 48 55Colour Rendering 25 20Index

Double Tennis Court - Class 3 (training)

No of floodlights: 12 (variable)No of columns: 4Mounting Height: 8.0mLamp: HPS-T XL-T 400W

Lamp position 3Initial lamp lumens:58500lm

Troika EN12193 result Requirement

Dimension 36 x 36m 36 x 36mCalculation Points 15 x 15 15 x 15Maintained Average 200 Lux 200 Lux IlluminanceUniformity 0.61 0.6Glare Rating 48 55Colour Rendering 25 20Index

Multi-purpose Sports Hall - Class 3 (training)

No of floodlights: 8 (variable)Mounting Height: 7.0m Lamp: HPS-XLT 400W

Lamp position 3Initial lamp lumens: 56500lm

Troika EN12193 result Requirement

Dimension 40 x 20m 40 x 20mCalculation Points 15 x 9 15 x 9Maintained Average 215 Lux 200 LuxIlluminanceUniformity 0.71 0.5Glare Rating 47 not specifiedColour Rendering 25 20Index

Single Tennis Court - Class 2 Competition

No of floodlights: 18No of columns: 6Mounting Height: 8.0mLamp: HIT 400W

Lamp position 1Initial lamp lumens: 38000lm

Troika EN12193 result Requirement

Dimension 36 x 18m 36 x 18mCalculation Points 15 x 7 15 x 7Maintained Average 300 Lux 300 Lux IlluminanceUniformity 0.8 0.7Glare Rating 41 50Colour Rendering 65 60Index

Multi-purpose Sports Hall - Class 3 (training)

No of floodlights: 12 (variable)Mounting Height: 7.0 mLamp: HIT 400W

Lamp position 3Initial lamp lumens: 38000lm

Troika EN12193 result Requirement

Dimension 40 x 20m 40 x 20mCalculation Points 15 x 9 15 x 9Maintained Average 210 Lux 200 LuxIlluminanceUniformity 0.59 0.5Glare Rating 46 not specifiedColour Rendering 65 60Index

Because lamp output declineswith age, we illustrate belowfigures which have beencalculated including a 20%allowance as “maintainancefactor”

Multi-purpose Sports HallSports covered by these designs:Basketball, Floorball, Football (5and 6-a-side), Handball, Martialarts, Netball, Volleyball,Weightlifting, Wrestling, Aerobicsand Gymnastics

8.5m

36m

36m

5.8m

89º

89º

89º

89º

77º

77º

77º

77º

41.5º

41.5º

41.5º

41.5º

18m36m

5.8m

8m99º

99º

99º

99º

27º

27º

27º

27º

0º

0º

0º

0º

18m36m

6m

8m

99º

99º

76º76º

52º

52º

152º

152º

76º

76º28º

28º123º

123º

104º

104º

81º

81º

20m40m

20m40m

11

Swimming Pool - Class 3 (training)

No of floodlights: 6 (fixed)Mounting Height: 8.0mLamp: HPS-T 400W

Lamp positionfixedInitial lamp lumens:48000lm

Troika EN12193 result Requirement

Dimension 25 x 15m 25 x 15mCalculation Points 13 x 7 13 x 7Maintained Average 225 Lux 200 Lux IlluminanceUniformity 0.66 0.5Glare Rating 31 not specifiedColour Rendering 25 20Index

s

s

Parking AreaThe table allows the user to select the lamp wattages, the mountingheight of the floodlight and the spacings according to the illuminanceand uniformity requirements of the installation.

No of floodlights per column: 2 Mounting Height: S = H x 3.5

HPS-XLT 600W position 1 20m 12mHPS-XLT 400W position 1 21m 15m 10mHPS-XLT 250W position 1 16m 12m 8mAverage Illuminance (Maintained)13Lux 25Lux 60LuxUniformity (Emin/Eav) 0.31Uniformity (Emax/Emin) 7.9Glare Rating <50 <50 <50

Mounting Height: S = H x 3.0

HPS-XLT 600W position 1 23m 15mHPS-XLT 400W position 1 25m 18m 12mHPS-XLT 250W position 1 18m 12m 8mAverage Illuminance (Maintained)13Lux 25Lux 60LuxUniformity (Emin/Eav) 0.5Uniformity (Emax/Emin) 4.7Glare Rating <50 <50 <50

This symbol representsone mast with 2 No.fittings

15m25m

12

Photometric dataThe following guide has been designed to provide an overview andcomparison of the photometric performances of each lamp option.

Troika Variable refers to products using the 60°-70° Ipeak angle reflector with variablelamp position. For more details see page 6.

Lamp: 250W HPS-T position 1 Vertical I max: 854 cd/1000 lm I peak: 67° HorizontalI max/2: Horizontal: 2 x 31° Vertical: 59°/72°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HPS-T position 2 Vertical I max: 975 cd/1000 lm I peak: 63° HorizontalI max/2: Horizontal: 2 x 33° Vertical: 56°/68°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HPS-T position 3 Vertical I max: 1248 cd/1000 lm I peak: 59° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 54°/64°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HPS-T fixed position Vertical I max: 965 cd/1000 lm I peak: 46° HorizontalI max/2: Horizontal: 2 x 35° Vertical: 37°/51°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HPS-DE position 1 Vertical I max: 1095 cd/1000 lm I peak: 68° HorizontalI max/2: Horizontal: 2 x 32° Vertical: 63°/71°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HPS-DE position 2 Vertical I max: 1423 cd/1000 lm I peak: 65° HorizontalI max/2: Horizontal: 2 x 33° Vertical: 61°/67°

-90° -60° -30° 0° 30° 60° 90°0

300

900

1500

1800

1200

600

Cd / 1000 lm

Lamp: 250W HPS-DE position 3 Vertical I max: 1808 cd/1000 lm I peak: 61° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 57°/64°

-90° -60° -30° 0° 30° 60° 90°0

300

900

1500

1800

1200

600

Cd / 1000 lm

Lamp: 250W HPS-DE fixed position Vertical I max: 1122 cd/1000 lm I peak: 48° HorizontalI max/2: Horizontal: 2 x 36° Vertical: 37°/52°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT (Philips) position 1 Vertical I max: 683 cd/1000 lm I peak: 68° HorizontalI max/2: Horizontal: 2 x 32° Vertical: 56°/73°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT (Philips) position 2 Vertical I max: 790 cd/1000 lm I peak: 61° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 54°/70°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT (Philips) position 3 Vertical I max: 916 cd/1000 lm I peak: 57° HorizontalI max/2: Horizontal: 2 x 36° Vertical: 52°/66°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT (Philips) fixed position Vertical I max: 958 cd/1000 lm I peak: 47° HorizontalI max/2: Horizontal: 2 x 35° Vertical: 35°/53°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT (0SRAM) position 1 Vertical I max: 584 cd/1000 lm I peak: 64° HorizontalI max/2: Horizontal: 2 x 33° Vertical: 39°/72°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT (0SRAM) position 2 Vertical I max: 691 cd/1000 lm I peak: 60° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 52°/68°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT (0SRAM) position 3 Vertical I max: 858 cd/1000 lm I peak: 57° HorizontalI max/2: Horizontal: 2 x 35° Vertical: 51°/64°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT (OSRAM) fixed position Vertical I max: 986 cd/1000 lm I peak: 44° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 34°/50°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT-DE position 1 Vertical I max: 931 cd/1000 lm I peak: 66° HorizontalI max/2: Horizontal: 2 x 32° Vertical: 61°/70°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT-DE position 2 Vertical I max: 1125 cd/1000 lm I peak: 63° HorizontalI max/2: Horizontal: 2 x 32° Vertical: 58°/66°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 250W HIT-DE position 3 Vertical I max: 1325 cd/1000 lm I peak: 59° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 54°/62°

-90° -60° -30° 0° 30° 60° 90°0

300

900

1500

1800

1200

600

Cd / 1000 lm

Lamp: 250W HIT-DE fixed position Vertical I max: 720 cd/1000 lm I peak: 44° HorizontalI max/2: Horizontal: 2 x 37° Vertical: 25°/50°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Troika fixed refers to the approximate 45°Ipeak angle reflector with fixedlamp position. For more detailssee page 6.

250W HPS-T

250W HPS-DE

250W HIT (Philips)

250W HIT (Osram)

250W HIT-DE

13

Lamp: 400W HPS-T (XL) position 1 Vertical I max: 732 cd/1000 lm I peak: 68° HorizontalI max/2: Horizontal: 2 x 33° Vertical: 58°/73°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HPS-T (XL) position 2 Vertical I max: 868 cd/1000 lm I peak: 64° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 56°/70°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HPS-T (XL) position 3 Vertical I max: 1000 cd/1000 lm I peak: 61° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 54°/67°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HPS-T(XL) fixed position Vertical I max: 723 cd/1000 lm I peak: 47° HorizontalI max/2: Horizontal: 2 x 38° Vertical: 22°/53°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HPS-DE position 1 Vertical I max: 963 cd/1000 lm I peak: 69° HorizontalI max/2: Horizontal: 2 x 31° Vertical: 62°/72°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HPS-DE position 2 Vertical I max: 1184 cd/1000 lm I peak: 65° HorizontalI max/2: Horizontal: 2 x 33° Vertical: 60°/68°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HPS-DE position 3 Vertical I max: 1408 cd/1000 lm I peak: 61° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 57°/64°

-90° -60° -30° 0° 30° 60° 90°0

300

900

1500

1800

1200

600

Cd / 1000 lm

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

Lamp: 400W HPS-DE fixed position Vertical I max: 965 cd/1000 lm I peak: 47° HorizontalI max/2: Horizontal: 2 x 36° Vertical: 35°/52°

800

400

Cd / 1000 lm

Lamp: 400W HIT (Philips) position 1 Vertical I max: 548 cd/1000 lm I peak: 66° HorizontalI max/2: Horizontal: 2 x 36° Vertical: 38°/74°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT (Philips) position 2 Vertical I max: 649 cd/1000 lm I peak: 63° HorizontalI max/2: Horizontal: 2 x 37° Vertical: 52°/71°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT (Philips) position 3 Vertical I max: 759 cd/1000 lm I peak: 59° HorizontalI max/2: Horizontal: 2 x 38° Vertical: 51°/67°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT (Philips) fixed position Vertical I max: 825 cd/1000 lm I peak: 43° HorizontalI max/2: Horizontal: 2 x 38° Vertical: 28°/50°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT (OSRAM) position 1 Vertical I max: 681 cd/1000 lm I peak: 65° HorizontalI max/2: Horizontal: 2 x 37° Vertical: 52°/71°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT (OSRAM) position 2 Vertical I max: 791 cd/1000 lm I peak: 61° HorizontalI max/2: Horizontal: 2 x 38° Vertical: 52°/67°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT (OSRAM) position 3 Vertical I max: 919 cd/1000 lm I peak: 58° HorizontalI max/2: Horizontal: 2 x 38° Vertical: 51°/64°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT (OSRAM) fixed position Vertical I max: 933 cd/1000 lm I peak: 44° HorizontI max/2: Horizontal: 2 x 38° Vertical: 32°/52°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT-DE position 1 Vertical I max: 839 cd/1000 lm I peak: 66° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 58°/69°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT-DE position 2 Vertical I max: 1002 cd/1000 lm I peak: 63° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 56°/66°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT-DE position 3 Vertical I max: 1151 cd/1000 lm I peak: 59° HorizontalI max/2: Horizontal: 2 x 35° Vertical: 52°/63°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 400W HIT-DE fixed position Vertical I max: 777 cd/1000 lm I peak: 43° HorizontalI max/2: Horizontal: 2 x 37° Vertical: 26°/49°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 600W HPS-T position 1 Vertical I max: 756 cd/1000 lm I peak: 69° HorizontalI max/2: Horizontal: 2 x 34° Vertical: 61°/72°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 600W HPS-T position 2 Vertical I max: 859 cd/1000 lm I peak: 65° HorizontalI max/2: Horizontal: 2 x 35° Vertical: 59°/69°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 600W HPS-T position 3 Vertical I max: 938 cd/1000 lm I peak: 61° HorizontalI max/2: Horizontal: 2 x 36° Vertical: 51°/66°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

Lamp: 600W HPS-T fixed position Vertical I max: 804 cd/1000 lm I peak: 49° HorizontalI max/2: Horizontal: 2 x 38° Vertical: 27°/55°

-90° -60° -30° 0° 30° 60° 90°0

200

600

1000

1200

800

400

Cd / 1000 lm

400W HPS-DE

400W HIT (Philips)

400W HIT (Osram)

400W HIT-DE

600W HPS-T

Troika Variable 400W HPS-XLT Troika Fixed

14

Technical Information During the development process,as much attention has been paidto the physical design of theproduct as to the photometricdesign. The result is a floodlightthat simplifies and minimisesinstallation and maintenanceprocedures.

Lamp Position SelectionPunchmarks in the reflectoridentify the lamp holder position.The selected position of thelampholder can be checked byseeing which series of marks thelamp support bracket is adjacentto. For example, position 1 hasbeen selected in photograph 1,position 2 in photograph 2 andposition 3 in photograph 3.

To manually adjust the selectedlamp position is simple. Pull outthe brass toggle to release theadjustable fixing bracketallowing the lampholder andlamp support to be repositioned.When the lamp support bracketis adjacent to the desiredposition, release the brass toggle and manoeuvre thelampholder until it clicks andlocks into position.

Gear Tray InstallationTroika has been designed tohouse all control gear integrally.The gear trays are suppliedseparately and designed to ensure simple and rapid installation.

An Electrical Class I Kit can besupplied for installations whichrequire floodlights to be earthed.

1,2&3

4&5

6,7,8&9

1.

2.

3.

4.

5.

6.

7.

8.

9.

15

Gear Canopy RespiratorThe circulation of air in the geartray can help to prolong the lifeof components and materials.

The integral ‘respirator’ device ofTroika allows air to flow in andout of the gear tray canopy, butwith a filter to prevent dustingress and a ‘chicane’arrangement to keep outmoisture, while maintaining theintegrity of the unit to IP65.

Adjustable StirrupThe adjustable and reversiblestirrup provides a multitude ofmounting options.

Stirrup Aiming GuideAn aiming guide is integratedinto Troika to assist the installerin achieving the ‘flat glass’position.

Stirrup Locking MechanismWhen the exact aiming anglehas been selected, the secondarystirrup locking device ensuresthat the floodlight setting will notbe altered by wind pressure orvibration.

GlassAccess to the lamp is via thehinged front opening glass,requiring only one person formaintenance.

When the glass is closed and thefixing toggles are slid back intoposition and tightened, thegasket between the glass and the floodlight body ensures theIP65 rating.

10&11

12,13,14,15&1617.

18.

19.

20.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

Lighting people and places

UK Sales desk - Orders/Stock EnquiriesTel: 08701 610 610Fax: 08701 610 611

Regional Offices & Lighting Design CentresTel: 08701 610 710Fax: 08701 610 711

South East - North of London (northl)South East - South of London (southl)Major Projects - Southern (centls)3 King George Close, Eastern Avenue West,Romford, Essex RM7 7PP

Midlands (mids)11 Galena Close, Tamworth, Staffordshire B77 4AS

South West (southw)Major Projects - Western (bbcs)16 Columbus Walk, Atlantic Wharf, Cardiff, Wales CF10 4TL

Major Projects - Northern (yorks)Unit 5, Clarke Hall Farm, Aberford Road,Wakefield, West Yorkshire WF1 4AL

North East (northe)Trading Estate, Spennymoor, Co. Durham DL16 7UR

North West (northw)The Towers, Wilmslow Road, Didsbury,Manchester M20 2SE

Scotland (scot)Hamilton Business Centre, Caird Park,Hamilton, Lanarkshire ML3 0QB

Northern Ireland (northi)Prince Regent Road, Castlereagh, Belfast BT5 6QR

e-mail Each Region has 5 e-mail addresses that arein a standard format as follows:

(Using ‘South West’ as an example with its short code ‘southw’)

quotes.southw@thornlight.comorders.southw@thornlight.comstock.southw@thornlight.comqueries.southw@thornlight.comenquiries.southw@thornlight.com

Outdoor LightingThe Towers, Wilmslow Road, Didsbury,Manchester M20 2SETel: 0161 445 2719Fax: 0161 448 8015e-mail: outdoor@thornlight.com

Airfield Lighting3 King George Close, Eastern Avenue West,Romford, Essex RM7 7PP Tel: 01708 776289Fax: 01708 742322e-mail: airfield@thornlight.comWebsite: www.thornairfield.com

International Sales3 King George Close, Eastern Avenue West,Romford, Essex RM7 7PPTel: 01708 776284Fax: 01708 741827e-mail: international.sales@thornlight.com

Spare PartsTel: 0191 301 3131Fax: 0191 301 3038e-mail: spares@thornlight.com

Technical SupportTel: 0870 600 8111Fax: 0191 301 3907e-mail: technical@thornlight.com

Brochureline Answering ServiceBrochures on specific products/rangesTel: 01708 776333Fax: 01708 776381e-mail: brochures@thornlight.com

Other Offices in:Australia, Austria, China, Czech Republic,Denmark, Estonia, Finland, France, Germany,Hong Kong, Hungary, India, Ireland, Italy,Latvia, Lithuania, New Zealand, Norway,Poland, Russia, Singapore and Sweden

www.thornlighting.co.uk

Thorn Lighting is constantly developing and improving its products. All descriptions, illustrations,drawings and specifications in this publication present only general particulars and shall not formpart of any contract. The right is reserved to change specifications without prior notification orpublic announcement. All goods supplied by the company are supplied subject to the company'sGeneral Conditions of Sale, a copy of which is available on request. All measurements are inmillimetres and weights in kilograms unless otherwise stated.

Publication No: 211(UK) Printed in England - 8/02

Thorn Lighting Limited

FM 12233 UK Manufacturing

UK Sales andDistribution

Member of The LightingIndustry Federation