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5
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5.2 HF ballasts and dimming
MORE INFORMATION OR
6
Readers who want further information or support on installation
aspects of HF electronic ballasts, are invited to contact their local
Philips support office.
Also, for further reading the following printed documentation is
available on request:
• Application guide to TL/CFL/QL lamp control gear
A 160-page booklet explaining all application and installation aspects
in depth, ordering number 3222 635 16641.
• Product information leaflets of the individual ballast types
Two- to four-page folders with technical details, ordering numbers
as per item.
• Compact product information
A CD-ROM with compact information, including dimensions and
photos, ordering number 3222 991 08201.
• Service policy and product replacement overview for
HF control gear
An historical overview of ballasts, including a replacement table.
Hint:
The dimming control wiring in the installation should be kept
separate from the mains wiring when the length of the wires exceeds
5 m. Otherwise, interference between mains and dimming wiring
might occur.This could cause light flicker or 100 Hz light modulation.
Tip:
If separation of the wiring is not possible, use shielded control wiring.
Fig. 16. Manual HF regulation.
N
L
-
HFR
ballast
N
L
-
+
HFR
ballast
L1
L2
L3
N
C
C
LPS 100
to lamps
to lamps
-
+ L1 L2
L3
N
HFR luminaire
HFR luminaire
to other
HFR luminaires
+
4
3
2
1