OSRAM QUICKTRONIC-M ECG for circular FL 16 mm - Manual (Page 38)

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„Hot wires“ are marked on the unit with the shorter cable length. For
reasons of radio interference suppression and reliable starting, the “hot
wires” must be kept as short as possible. In other words, you should install
the ECG to one side in the luminaire, making the low-potential cables
longer so that the length of the high-potential cables can be reduced. This
type of installation is to be preferred to symmetrical mounting.
In luminaires equipped with more than one ECG (systems with 3, 4 or more
lamps), the ECG and its associated lamp(s) should be assigned to one
another. For reasons of radio interference suppression and reliable starting
we do not recommend splitting the luminaire into a lamp and ECG part.
QUICKTRONIC
® ECG for 3- and 4-lamp operation of FH ® …HE fluorecent
lamps have been optimally designed to comply with just that
recommendation.
For reasons given above we also advise against splitting the ECG into
units located in the luminaire and units located outside the luminaire (e.g.
on the back of the luminaire) if this means much longer cables between the
ECG and the lamps.
3.5 Switching between
Lamp and ECG
In some special applications it may be necessary to disconnect or switch
the cables between the ECG and the lamp(s).
If changeover units are used (emergency lighting modules with internal
switching) which supply the lamp directly from an emergency supply and
interrupt the system circuit between the ECG and the lamp, the following
must be observed:
• Changeover or disconnection of the lamps from the ECG to the
external unit must be on all terminals.
• When switching back from the external supply to ECG operation,
the lamp(s) must first be connected at all terminals to the ECG
before the ECG is supplied with power again, otherwise the cutout
in the ECG will operate.
• Many of these emergency lighting units available on the market do
not comply with the normal operating conditions of the lamp and will
therefore damage it. In such cases, OSRAM cannot guarantee that
the lamp will last as long as indicated.
Wiring recommendations for OSRAM QUICKTRONIC
® ECG for multi-lamp
operation of T5/ ∅ 16 mm- fluorescent lamps with exemplary emergency
units are given in Section 6.5.2ff.
3.6 Master-Slave Circuit An additional single-lamp „slave luminaire“ can be supplied from a two-
lamp ECG installed in a single-lamp „master luminaire“.
This requires a 4-core connecting cable between the two luminaries and, in
general, different cable lengths between the ECG and the lamp in the