Стр. 311 - OSRAM_lamp_2014

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6.53
Operating instructions
Restarting
HCI
®
, HQI
®
, NAV
®
, HQL
®
, HWL
®
:
These lamps need a little time (0.25 to 15 minutes) to
cool down before they can be restarted because the
necessary ignition voltage would initially be higher than
the supply voltage or, in the case of HCI
®
, HQI
®
and
NAV
®
, above the ignition voltage of the igniter. The use
of a timer igniter is recommended because these igni-
tors do not provide permanently ignition pulses during
cooldown of the lamp and thus prevent overheating. The
devices pause after every short ignition attempt
and shut
down entirely after longer unsuccessful ignition (shut-
down earliest after 15 min).
Instant restarting is possible with suitable igniters for the
following lamps:
HQI
®
-TS EXCELLENCE
HQI
®
-TS
NAV
®
-TS
The necessary restrike voltage is depending on lamp
type 25 to 60 kVs.
SOX, SOX-E:
SOX 18 lamps can be instantly restarted. All other SOX
lamps need a cooling time of a few minutes before they
can be restarted.
Radio interference
Except during ignition, radio interference does not
normally occur with high pressure lamps. Should radio
interference occur with HQL
®
lamps it can be avoided by
connecting a low induction capacitor of 0.1 μF parallel
to the lamp. Capacitors must not be connected parallel
to any other high-pressure lamp. The requirements of
DIN EN 50160 must be met.
Color shift
HCI
®
and HQI
®
lamps may show color shifts from lamp
to lamp. These shifts may be due to external influences
such as the line voltage, control gear, burning position or
fixture design.
End of life
High intensity discharge lamps (HCI
®
, HQI
®
, NAV
®
and
HQL
®
) can be considered to have reached the end of
their life if:
there is a marked change in their color or
there is a significant loss of brightness or
the lamp no longer ignites or
the lamp periodically goes out and comes on again.
To protect the control gear and to avoid unnecessary
radio interference, HCI
®
, HQI
®
, NAV
®
and HQL
®
lamps must be replaced as soon as they reach the
end of their life.
Guarantee
A warranty for high intensity discharge lamps can only
be given if the prescribed operating conditions are ob-
served; that is in particular if the maximum permissible
lamp temperatures are not exceeded and the lamps are
operated only on appropriate control gear. In addition,
the lifetimes specified by OSRAM apply only to opera-
tion in fixtures that do not reflect radiation back onto
the lamp (see Fixture design, page “Fixture design” on
page
6.52
).
OSRAM System+ Guarantee for HCI
®
/HQI
®
/NAV
®
lamps and POWERTRONIC
®
ECG
With POWERTRONIC
®
electronic control gear from
OSRAM high intensity discharge lamps can be operated
perfectly and intelligently.
For
system operation an extended guarantee can be
granted on the POWERTRONIC
®
ECG and on the
relevant HCI
®
/HQI
®
/NAV
®
lamp.
Detailed information on usage and guarantee
conditions as well as a registration form can be
found at www.osram.com/system-guarantee.