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GE
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READ THOROUGHLY BEFORE INSTALLING
GENERAL
This luminaire is designed for application in hazardous
location environments.
Lighting Solutions
WARNING
Risk of electric shock
• Turn power off before servicing
– see instructions
GEH-5850
INSTRUCTIONS
POWR•GARD® LUMINAIRE
Make all electrical connections in accordance with
the National Electrical Code and any applicable
local code requirements.
THE OPERATING TEMPERATURE “T-CODE”
LISTED FOR THIS LUMINAIRE IS BASED ON THE
FOLLOWING BULB SIZES. USE OF OTHER THAN
THESE MAY RESULT IN A HIGHER OPERATING
TEMPERATURE AND COULD RESULT IN A HAZARDOUS CONDITION.
LAMP TYPE WATTAGE BULB SIZE
HIGH PRESSURE SODIUM 70,100,150 ED 23 1/2
HIGH PRESSURE SODIUM 250, 400 ED 18
METAL HALIDE/MERCURY 175, 250 ED 28
METAL HALIDE/MERCURY 400 ED 37
CAUTION: Check the operating temperature limits
marked on the ballast assembly prior to installation to be sure it conforms to the environmental
temperature restrictions and NEC classifications.
WARNING: TO PREVENT IGNITION OF HAZARDOUS ATMOSPHERES, DISCONNECT THE SUPPLY
CIRCUIT FROM THE LUMINAIRE BEFORE RELAMPING, REMOVING, OR PERFORMING ANY MAINTENANCE.
INSTALLATION
CAUTION
Unit will fall if not installed properly
• Follow installation instructions
MOUNTING CONDUIT
Take the mounting hub and remove the electrical
disconnect from it. Thread the mounting hub onto the
conduit five threads minimum and tighten the set screw.
Connect the ground lead to the screw provided in the
mounting hub.
Connect the supply wires to the electrical disconnect
according to the color coding labels if applicable. Refasten
the disconnect into the mounting hub. See Figure A.
UNPACKING
The ballast assembly and mounting fittings have been
properly packed in separate cartons so that no parts should
have been damaged during transit. Remove packing
materials used to protect threads and inspect. Do not
attempt to assemble or use parts with damaged threads.
Verify that supply voltage is correct by comparing it
to nameplate.
These instructions do not purport to cover all details or variations in equipment nor to provide for every possible contingency to be met in connection with installation, operation or
maintenance. Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser’s purposes, the matter should be referred
to GE Lighting Solutions.
Figure A
MOUNTING STANCHION
AND WALL BRACKET
For the stanchion arm, mount arm onto the conduit five
threads minimum and tighten the set screw. For the wall
bracket, attach bracket to the support surface through the
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four clearance holes provided. Remove the electrical
disconnect from the mounting hub and connect electrically
as stated for conduit mounting.
EXTERNAL REFLECTORS
A reflector, if used, is attached to the bottom of the globe
ring with the three screws provided.
MOUNTING SURFACE
Attach the surface mounting box to the support surface
through the four clearance holes provided. Remove the
electrical disconnect from the mounting hub and connect
electrically as stated for conduit mounting.
NOTE: Threads on the ballast housing to ac-
cept the above mountings are factory
lubricated with General Electric Versalube
G322L. Additional lubricant of the same type
may be applied if necessary.
BALLAST HOUSING
Thread the ballast housing onto the hub. The electrical
disconnect will automatically mate after five threads have
engaged. Continue engaging until the housing is tightly
threaded onto the hub and then tighten the set screw at the
bottom of the hub.
LAMP INSTALLATION
CAUTION
Risk of burn
• Allow lamp/fixture to cool before
handling
If a globe guard is on the unit, the reflector is attached
using the same screws that hold the guard. These screws
need only be loosened since the reflector is provided with
keyhole slots.
If an angle reflector is used, orient the reflector with
respect to the three screws so that the main light output is
near the desired direction. After loosening the set screw the
globe ring can then be slightly rotated to complete the
reflector orientation. Then retighten the set screw.
MAINTENANCE
It will occasionally be necessary to clean the optical
assembly in order to maintain the light level. Frequency of
cleaning will depend on the dirt level in the user’s facility
and the minimum light level which is acceptable to him.
The reflector should be cleaned with any suitable nonabrasive solution of water and soap or detergent. Residual
cleanser should be removed by clean water rinsing. The
glassware may be cleaned with any conventional glass
cleanser.
Disconnect the power supply circuit before relamping.
Loosen the set screw near the bottom edge of the ballast
housing. Unthread the glass globe support ring which
threads into the ballast housing. To assist in removing this
globe ring, a screw driver can be inserted in the pry slots, or
the globe ring can be loosened by lightly tapping on the
globe ring ribs.
Use only lamps specified on nameplate. Observe
lamp manufacturer’s recommendations and restric-
tions on lamp operation, particularly ballast type,
burning position, etc.
Damage may occur to the fixture if the lamp is inserted
while power is on, or if the lamp is not tight in the socket
when power is applied.
LAMP TIGHTNESS: The lamp should be securely
inserted to the NEMA-EEI specified torque of 35 inchpounds, which is best achieved by very firmly tightening to
insure application of sufficient torque. Tightening must be
sufficient to fully depress and load the center contact of the
socket.
After lamp is installed, rethread globe ring into ballast
housing until it firmly seats. Tighten set screw.
WARNING: GLOBE IS TEMPERED
GLASS. DO NOT SCRATCH OR CHIP.