OSRAM QUICKTRONIC INTELLIGENT DIM CFL - Manual (Page 63)

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Note:
• Amalgam and mercury lamps must never be mixed in multilamp
ECGs because the power increase available in amalgam lamps
would lead to a vigorous overshooting of the light in a mercury
lamp. In addition, the synchronization in the lower dimming range
would be poor.
• No release: Dimming of a T5 amalgam lamp with predecessor
units up to the end of 2008 (DALI and 1…10 V):
• • For dimmer settings below 30 %, the following applies:
- Voltage peaks arise through unwanted controller oscillations 14
- Unfavorable operating condition leads to lamp flickering and a
reduction of the lamp service life
• • Recommendation: Dimming of amalgam lamps is possible,
but this is not released by OSRAM. Burning-in of the lamps
at 100 % luminous flux after each restart for approx.
2-3 minutes, then dimming. In principle, however, dimming of
T5 amalgam lamps with predecessor units is not recommended
for the reasons mentioned above.
14 Oscillations – typically in the lower third of the dimming range – can develop
when fluorescent bulbs with electronic control gear are dimmed, which are
caused by the interaction of lamp characteristic, lamp time constants, resonant
circuit and control.