GE MGA, MGH, MGHU Installation Guide
GE
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READ THOROUGHLY BEFORE INSTALLING
Lighting Solutions
WARNING
Risk of electric shock
• Turn power off before servicing
– see instructions
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
AVERTISSEMENT: COUPER L’ALIMENTATION
AVANT L’INSTALLTION OU L’ENTRETIEN.
GENERAL
A complete luminaire consists of a ballast housing,
optical assembly, and a cover/mounting.
CAUTION: When installing luminaire in
hazardous locations check operating temperature
limits prior to installation to insure it conforms to
the environmental temperature restrictions and
NEC classifications.
MOUNTING INSTALLATION
CAUTION
Unit will fall if not installed properly
• Follow installation instructions
GEH-5847
INSTRUCTIONS
Mini•Gard Luminaire
Flexible Cover (See Figures 2 and 3)
Loosen four(4) bolts holding mounting hub to cover.
Position adapter plate correctly to balance luminaire. Use
widest bolt spacing possible to secure plate to cover. Hang
ballast housing on cover by hinge. Proceed to Wiring.
MOUNTING HUB
COVER
BALLAST HOUSING
Figure 2 Figure 3
Ceiling Cover (See Figure 4)
Using the slotted tabs, mount cover to ceiling. Hang
ballast housing on cover by hinge. Proceed to Wiring.
COVER
.875
ADJUSTMENT
CUSTOMER LEADS
CUSTOMER LEADS
Bolt pattern
for lower
wattages
GROUND
SCREW
Bolt pattern
for higher
wattages
Pendant Cover (See Figure 1)
Thread cover onto conduit. Orient cover and seal
around conduit using approved NEC procedures. Tighten
set screw at mounting hub. Hang ballast housing on cover
by hinge. Proceed to Wiring.
COVER
Figure 1
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.
BALLAST HOUSING
CUSTOMER LEADS
Wallmount Cover (See Figure 5)
Mount wiring box provided and pull leads. Tether is
supplied to hold arm assembly while connecting supply
leads. Attach arm assembly to wiring box. Do not damage
gasket attached to arm assembly. Mounting screws should
be tightened in alternate sequence. Hang ballast housing
on cover by hinge. Proceed to Wiring.
BALLAST HOUSING
Figure 4
MOUNTING ARM
COVER
MOUNTING
SCREWS
CUSTOMER LEADS
IF MULTIWATT:
Multiwatt ballasts are available in various combina-
tions of wattage. See wiring instructions on wiring
tag inside the luminaire.
WIRING
BOX
TETHER
Figure 5
BALLAST HOUSING
Straight Stanchion Cover (See Figure 6)
Attach mounting arm onto conduit. Hang ballast
housing on cover by hinge. Proceed to Wiring.
WIRING BOX DOOR
COVER
BALLAST
HOUSING
CUSTOMER LEADS
COVER
MOUNTING ARM
CUSTOMER LEADS
BALLAST HOUSING
Figure 6
Figure 7
Angle Stanchion Cover (See Figure 7)
Attach mounting arm onto conduit. Hang ballast
housing on cover by hinge. Proceed to Wiring.
B.WIRING:
Cut incoming supply conductors to six (6)
inches inside cover. Route conductors through lead
clip provided and make electrical connections,
including ground as shown on wiring label (See
Figure 8).
SET SCREW
BALLAST HOUSING INSTALLATION
Swing unit shut. Tighten ballast cover screw securely.
LAMP INSTALLATION
CAUTION
Risk of burn
• Allow lamp/fixture to cool before
handling
Use only lamps specified on nameplate. Observe
lamp manufacturer’s recommendations and restrictions on lamp operation, particularly ballast type,
burning position, etc.
Lamp Tightness – Medium Base Lamp: The lamp
should be tightened to a light firmness sufficient to depress
the center contact.
OPTICALS
CAUTION: GLOBE IS TEMPERED GLASS. DO NOT
SCRATCH OR CHIP.
Attach globe by threading firmly into bottom of ballast
housing.
Prismatic Refractor Assembly
Type V, R or L
Thread adapter firmly into ballast housing. To orient
asymmetrical glass, loosen clamping screws, turn glass and
retighten screws. To relamp, unscrew complete optical from
ballast housing.
Figure 8
LEAD CLIPS
Make all electrical connections in accordance with
the National Electrical Code and any applicable
local code requirements.
Verify that supply voltage is correct by comparing it
to nameplate.
When changing voltage on reconnectable units,
move only the lead with the insulated connector.
IF SINGLE VOLTAGE:
All single voltage ballasts are pre-wired such that
user need only connect the supply conductors.
IF MULTIVOLT: (120/208/240/277 volts)
Connect the ballast lead with the insulated terminal
to the desired voltage terminal as indicated on the
ballast terminal nameplate.
ACCESSORIES
External Reflector
Insert mounting screws. Orient reflector to proper
position and slip over mounting screws. Turn reflector and
tighten screws securely.
Globe Guard
Insert protective guard into ballast housing and turn
until retained by detent.
MAINTENANCE AND CLEANING
It will occasionally be necessary to clean optical assembly
in order to maintain light levels. Frequency of cleaning will
depend on dirt levels in user’s facility and minimum
acceptable light levels . Reflector should be cleaned with
any suitable, non-abrasive solution of water and soap or
detergent. Residual cleaning agent should be removed with
clean water rinsing. Glassware may be cleaned with any
conventional glass cleaner. If unit gets soiled on the inside,
it should be cleaned and any damaged gasket or filter
replaced.
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