H400D datasheet(19/24 Pages) OSRAM

19 / 24 page

TS 44842 OSRAM / POWERSTAR HQI 106 T001 GB

4/24.5.2007

Fusing:

HQI® lamps must be protected by slow acting fuses. If

fuse wire is used it is sufficient for it to be rated at twice

the rated current of the lamp. If automatic cutouts are

used they should have characteristic “C”. If adjusted to

the upper limit value of 10 x rated current there will be

no triggering if fuse protection is at twice the rated lamp

current.

Restarting:

The lamps will restart only after they have cooled down

for 2 to 15 minutes.

For POWERSTAR® HQI®-TS = 1000 W and HQI®-TS

2000 /D/S, instant restarting is possible with suitable

igniters. The necessary surge voltage is 25 to 60 kVs.

Lampholders:

Because of the high voltages involved in ignition the

lampholders must be designed for these high voltages.

Lampholders that meet these requirements are available

from appropriate manufacturers.

Power reduction:

Dimming metal halide lamps is not recommended.

OSRAM cannot provide a guarantee for dimmed

lamps.

Dimming adversely affects colour rendering. The colour

location shifts towards colder light colours and the colour

spread increases. Dimmed lamps also tend to flicker. Lu-

minous flux maintenance is significantly worse as a result

of dimming. Dimming can shorten the life of the lamps.

End of life:

To protect the control gear and to avoid radio inter-

ference, high-pressure discharge lamps must be replaced

as soon as they come to the end of their life.

These lamps reach their end of life when

c the light colour of the lamp changes dramatically

c there is a significant loss of brightness

c the lamp no longer ignites

c the lamp starts to cycle (periodically goes out and

ignites again).

At end of lamp life the risk of a broken burner rises.

This phenomena is caused by effects not dependent on

the manufacturer like the rectifying effect mentioned ear-

lier. Because of this we strongly recommend to change

the lamp latest after average lifetime has been reached or

if one of the above mentioned effects are shown.

Notes on disposal:

All metal halide lamps contain small quantities of mercury.

If they break, poisonous mercury vapour may be released.

The lamps must be treated as waste requiring special

supervision with EEC code

20 01 21* for waste or residue

containing mercury and should be passed to a relevant

collection or recycling company.

Guarantee:

A guarantee can only made if suitable control gear is used

and the defined operating conditions are met.

Safety:

OSRAM high-pressure lamps meet the safety require-

ments defined in IEC 6205.

All HQI lamps up to 400 W are of UV-reduced design. The

lamp packaging will indicate this fact until there is any

change. Because of their high operating pressure all

HQI-lamps may only be used in fully enclosed luminaires

designed to take them:

c All HQI®-TS

c All HQI®-T

c All HQI®-E

≥ 250 W

As we cannot completely rule out the possibility of the

bulb bursting, luminaires for the lamps mentioned above

must be equipped with sealed shatter-proof shields that

can withstand wide fluctuations in temperature.

Operating lamps with a damaged outer bulb is dangerous

and therefore not permitted. Exception: HQI®-TS ...

without an outer bulb.

Lamp operation:

Operating high-pressure lamps for short periods in combi-

nation with frequent on/off switching will shorten their life.

This applies to both cold starting and hot restarts. The

lamps should be operated for at least hours and should

remain off for at least 0 minutes. This applies in partic-

ular to HQI® = 1000 W.

Exceptions:

The following lamps

are suitable for open luminaires:

c All HQI®-E 70 W to 150 W

c All HQI®-E/P

The use of shields should be considered for safety

reasons in each case.

Luminaire design:

Luminaire design (thermal design and fuse protection)

should be based on the EN 6058-1 standard.

HQI® 1000 W to 2000 W lamps should be held without

pressure or by means of a lamp support close to the

base-free end.

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