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housing with a bracket, gasket, molded elastomeric boot and two screws. The yellow light beam
color is produced using white LED's and optics with a dichroic coating on the lenses All
hardware is type 18-8 stainless steel. The complete light unit is 11.94 inches in diameter, 5.00
inches deep and weighs 25 lbs. All units leave the factory pressure tested. if the unit is serviced
during its lifetime, it must be re-tested to ensure it remains waterproof.
Do not open any fixture unless the warranty period has expired.
Opening a fixture will void the warranty
IMPORTANT
Never handle the light assembly by the leads as this can break the
waterproof seal
CAUTION
9
Installation
The Style 3 IRGL units are shipped complete, including the LED module(s), and are ready for
installation as received. Installation of a light unit is to be done with primary POWER OFF
and SECURED. At each light location, install a steel, Size B, 12 inch deep minimum, L-868
Light Base per FAA AC 150/5340-4 (latest revision). Place the properly sized isolation
transformer(s) in the light base and make necessary primary power connections using L-823
connectors. All isolations transformers are 6.6 ampere secondary models. Verify that the
mounting flange on the light base is clean and the O-ring (optional on deep cans) is coated with
Dow Corning FS 1292 grease and is in place on the light base. Connect the plug(s) from the light
unit to the secondary of the previously installed isolation transformer(s). Installation tool, Crouse-
Hinds P/N 19999, will ease in the installation and removal of the light unit (See Figure 4). The
threaded eyebolts on the lifting tool screw into threaded holes in the light fixture. Lower the light
unit straight down onto the base. The light fixture is subject to optical misalignment or
mechanical damage if not seated properly. Verify the light beam is properly orientated for the
individual location. Secure the light unit to the base per section 9.1.
All 852G-AP1 light units are flashing lights. For light units with the "YO" designator in the part
number, the light will flash ON first in the cycle. For light units with the "YF" designator in the
part number, the light will flash OFF first in the cycle. This allows the light installers to arrange
either an alternating flashing bar of lights (i.e. YO---YF---YO---YF---YO---YF---... etc.), in
which the YOs flash on while the YFs flash off in an alternating fashion, or a solid bar of lights
that flash in unison (i.e. YO---YO---YO---YO---YO---YO---... etc.). In the case of an accidental
undesirable light bar installation (i.e. YO---YF---YF---YO---YO---YO---...etc.), each 852G-AP1
Instruction Manual
PRO AFP Series LED
Inset Runway Guard Light L-852G
IMPORTANT:
CAUTION:
9
DOCUMENT 1331
REV. A
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