4A. Stairways |
Stairway with acoustic detection. Halogen bulbs, 50 Hz light fittings or non-dimmable HF ballasts |
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4B. Stairways |
Stairway with acoustic detection and “Dynamic lighting control”. Dimmable light fittings with HF ballasts and 1–10V control or DSI |
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4C. Lift hall |
Landing in stairway, with IR detection and auxiliary detector with level selector. Dimmable light fittings with HF ballasts. Requires light fittings with 1–10V control |
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4D. Lift |
Lift with IR detector. IR detector and halogen bulbs, 50 Hz, non-dimmable or dimmable HF ballasts |
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4E. Stairways |
Stairway with acoustic detector and incandescent lighting. The light fittings in this stairway have standard incandescent bulbs (not low-energy bulbs) |
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4F. Stairways |
Stairway corridor with two lighting channels, “Dynamic lighting control” |
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