Стр. 310 - OSRAM_lamp_2014

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6.52
Operating instructions
Fixture design
Fixtures must comply with design according to the
standard EN 60598 (thermal characteristics and fuse
protection).
HQI
®
1000 W to 2000 W lamps should be held without
pressure or by means of a lamp support close to the
crown end. The same applies to NAV
®
-T 1000 W lamps
in the horizontal burning position. In particular, no radia-
tion must be reflected onto the sensitive parts of the
lamp. This may cause thermal overloads, which
in turn will generally lead to premature failure. For a
detailed description and instructions on how to avoid
problems see the brochure entitled “Metal halide lamps.
Instructions for use and application” on the internet at
www.osram.com/osram_com/news-and-knowledge/
high-pressure-discharge-lamps/index.jsp.
Control gear
HWL
®
:
No control gear required; connect directly to power
supply. HCI
®
, HQI
®
, HQL
®
, NAV
®
:
Control gear:
< 220 V high-reactance transformer
≥ 220 V choke (according to IEC 61347)
Electronic control gear (ECG)
For HCI
®
, HQI
®
and NAV
®
lamps, control gear with suit-
able overload protection should be used (see Safety).
Igniters: HCI
®
, HQI
®
and NAV
®
lamps also need an
appropriate igniter. Exceptions:
HQI
®
-T 2000/N
HQI
®
-T 2000/D/I
NAV
®
-E 50/I
NAV
®
-E 70/I
NAV
®
-E 68
NAV
®
-E 110
NAV
®
-E 210
NAV
®
-E 350
NAV
®
SUPER lamps require igniters with a higher
ignition energy.
With suitable igniters or operating equipment HCI
®
, HQI
®
and NAV
®
lamps can be instantly restarted while hot. For
more information see Restarting.
SOX, SOX-E:
Operation with high-reactance transformers (except
SOX 18 tapped choke and 5 μF ignition capacitor) or
hybrid control gear.
For the permissible distances between the lamp and
the control gear, check the information provided by the
equipment manufacturer.
Start-up current
HCI
®
, HQI
®
, NAV
®
, HQL
®
:
Depending on the control gear used, the start-up current
may be up to twice as high as the operating current.
Circuit protection
Fuses for HCI
®
, HQI
®
and NAV
®
lamps must be slow-
acting. If fuse-wire is used it should be rated for twice
the rated lamp current. If MCBs are provided they
should comply with characteristic “C”.
Holders
The holders used must be capable of withstanding the
high voltages that occur during ignition and hot restrikes.
Suitable high-voltage holders can be ordered from
lampholder manufacturers. A retainer is recommended
for outdoor applications to prevent them coming loose
(IEC 60238).
Power factors
(without correction)
HWL
®
: cos φ~1
HCI
®
, HQI
®
and HQL
®
: cos φ 0.5 to 0.7
NAV
®
: With chokes cos φ 0.5
SOX, SOX-E: cos φ~0.3 (SOX 18: cos φ~0.9)
For PFC capacitors according to requirements and
application
check the manufacturer‘s specifications.
Recommended compensation capacitor values for
single compensation
see pages
6.41
to
6.50
.
Power reduction
HQI
®
lamps must not be operated at reduced wattage
as this may result in color shifts, poorer maintenance
and shorter lamp life.
The dimming of HCI
®
POWERBALL
®
lamps is permitted.
Dimming, however, leads to a change in the photometric
parameters, lamp efficiency drops and the color render-
ing decreases. Especially due to the shift in color dim-
ming seems to be less suitable for indoor lighting.
Dimming
of NAV
®
-lamps (with exception of lamps with
internal ignition unit) is permissible on POWERTRONIC
®
PTo, NAV
®
-lamps (with exception of lamps with internal
ignition unit),
as well as HCI
®
-TT and HCI
®
-ET can be
operated at the next lower choke impedance with re-
duced power. HWL
®
and HQL
®
must not be dimmed.
Where dimming is permitted, the lifetime of the lamps
remains unchanged. Further details regarding dimming
can be found at www.osram.com under News &
Knowledge.
Switch-on
HWL
®
:
Instant full luminous flux. Starting current
approx. 30% higher
HQL
®
:
Full luminous flux after approx. 5 minutes.
Starting current approx. 40% higher
HCI
®
:
Full luminous flux after approx. 1 to 3
minutes. Starting current approx. 40%
to 90% higher – depending on lamp type
and control gear
HQI
®
:
Full luminous flux after approx. 2 to 4
minutes. Starting current approx. 40%
to 90% higher – depending on lamp type
and control gear
NAV
®
:
Full luminous flux after approx. 6 to 10
minutes depending on lamp type and
control gear. Starting current approx.
25% higher
SOX, SOX-E: Full luminous flux after approx. 12 to 15
minutes. Or longer at low ambient tem-
peratures. No higher starting current.