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Federal Signal Corporation 121X Série Instructions D'installation Et De Service page 20

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a. DC lights.
DC strobe units are polarity and voltage sensitive, and MAY BE DAMAGED by
incorrect electrical hookup. When connecting the 24VDC strobe unit to the voltage
supply lines, POLARITY MUST BE OBSERVED. In addition, damage will result if
the voltage rating of the particular model is exceeded.
(1). Connect the positive (+) power source to the black wire. Connect the
negative (-) power source to the white wire.
(2). If required by local building codes, connect the earth ground wire to
the green.
b. AC lights.
To reduce shock hazards during maintenance, POLARITY MUST BE OBSERVED
(1). Connect the phase (hot) power source wire to the black wire. Connect
the common (neutral) power source to the white wire.
(2). If required by local building codes, connect the earth ground wire to
the green wire.
4. Push the wires back in the inspection hole and replace the inspection cap "A."
Plug unused conduit openings with the "close-up" plugs provided.
5. To prevent galling and ease future maintenance, ensure that the fixture mount
threads are clean and lubricated. Ensure that the marine gasket is clear of the
threads. Thread the fixture clockwise into the fixture mount and secure with
the locking set screw.
when connecting AC units to the power source.
CAUTION
CAUTION
-3-

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Ce manuel est également adapté pour:

121x-024gsc121x-024bsc121x-120asc