GE DSME, DSMT, DSMR 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
GENERAL
This luminaire is designed for outdoor lighting applications, and should not be used in areas of limited
ventilation, or in high ambient temperature enclosures; it
should be installed and maintained according to following
recommendations.
UNPACKING
This luminaire has been properly packed so that no parts
should have been damaged during transit. Inspect to
confirm.
INSTALLATION
REFLECTOR ROTATION—Reflectors which have
internal sockets may be rotated such that socket is in any of
four positions. This allows variations in beam aiming. To
rotate reflector follow procedure below.
1. Rotation best accomplished before mounting luminaire .
2. Remove four screws which attach reflector to brackets.
Ballast compartment barrier is also removed.
3. Rotate reflector to desired position, being careful not to
twist socket lead wires.
4. Reattach reflector by inserting two screws at latch end of
luminaire first.
5. Reposition ballast compartment barrier and insert two
rear screws, reaching under reflector to position reflector
brackets as necessary.
MOUNTING
CAUTION
Unit will fall if not installed properly
• Follow installation instructions
GEH-5816
INSTRUCTIONS
Decashield® 400 Luminaire
Two types of mounting are available for luminaire:
A. ARCHITECTURAL MOUNTING: (Arm)
Use with square poles pre-drilled per Figure 1.
To facilitate mounting, internal tray may be removed by
unplugging wiring connectors, removing shipping screw
(not key-holed) and loosening all key-holed (2) and slotted
(2) screws. After mounting, replace tray.
1. Install nut plate (see Figure 2) inside pre-drilled pole.
Secure with screw provided.
2. Install two (2) studs ensuring full penetration of nuts on
nut plate.
3. Align inside of mounting arm with studs and slide it into
place against pole.
4. Remove luminaire door by pushing outward on latches,
and hinges, while supporting door. Remove ballast
barrier by loosening reflector screws.
5. Install luminaire and secure with flat washers and
locknuts provided (See Figure 3). Align as nuts tight-
ened.
CAUTION: Ensure that nuts fully engage the two
studs. Correct tightening of stud nuts is important
to ensure proper function of mounting system.
Torque nuts to 18-22 foot-pounds.
B. INTERNAL SLIPFITTER MOUNTING: (pipe bracket)
NOTE: The pipe clamp accommodates 1-1/4-inch
through 2-inch ID pipe brackets.
NOTE: Power leads should be pulled as mounting
parts are assembled, verifying that leads are free
and not pinched. Ballast voltage selection is best
accomplished before mounting luminaire. See
“Wiring” for instruction.
Figure 1 Figure 2
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.
1. Open and remove luminaire door by pushing outward
on latches, and outward on hinges, while supporting
door. Remove ballast compartment barrier by loosening
reflector screws.
2. Adjust, if necessary, four (4) pipe clamp bolts so that
slipfitter opening is slightly larger than pipe size being
used (See Figure 4).
3. Mount luminaire by holding it approximately level and
snug up pipe clamp nuts (4-5 foot-pounds). Finish
tightening clamp nuts as follows: (See Figure 5) Tighten
each nut one turn at a time alternating in a diagonal
pattern. Correct torque may be achieved by turning each
nut 2-3 full turns past “snug” position or by tightening
nuts to 10-12 foot-pounds, whichever comes first.
NOTE: Correct tightening of pipe clamp nuts is important to ensure proper function of mounting
system. Torque to 10-12 foot-pounds. Also, slipfitter
has a built-in bias to give luminaire an upward tilt.
C. OTHER MOUNTINGS
External Slipfitters, Knuckle Flat Surface, Knuckle Pole
Top and Round Pole Adapters are also available for use
with housings machined with a diagonal hole pattern.
Installation is similar to the Architectural Mounting.
CAUTION: Do not mount any unit below or greater
than 60° above horizontal
LAMP INSTALLATION
CAUTION
Risk of burn
• Allow lamp/fixture to cool before
handling
NOTE: Use only lamps specified on nameplate.
Observe lamp manufacturer’s recommendations
and restrictions on lamp operation, particularly
ballast type, burning position, etc.
1. Connect supply leads to internal terminal board as
shown on wiring tag.
NOTE: Terminal board will accept supply leads
ranging in size from AWG No.14 through No.6
(check nameplate for minimum temperature requirement and electrical data).
2. Check luminaire nameplate for ballast type, single or
multivolt, or multiwatt.
IF SINGLE VOLTAGE—All single voltage ballasts are
pre-wired; user need only connect supply conductors.
IF MULTIVOLT (120/208/240/277 volts)—Connect
the ballast lead with insulated terminal to desired voltage
terminal as indicated on ballast terminal nameplate.
IF MULTIWATT: Units provided with field
reconnectible ballasts rated 120x240 volts are factory
connected for 120 volt operation. For 240 volt operation,
rewire per wiring tag attached.
Close ballast barrier, push hinges outward and rehang
door. Close door and secure latch engagement.
PHOTOELECTRIC CONTROL (If option present)—
Photoelectric control receptacle should be oriented before
control is installed. Loosen the two holding screws and
rotate receptacle until “North” is directed as near as possible
to true North. Tighten holding screws and install control.
MAINTENANCE AND CLEANING
It will occasionally be necessary to clean outside door
glass to maintain light levels. Frequency of cleaning will
depend on ambient dirt levels and minimum light level
which is acceptable. Door glass should be washed in a
solution of warm water and any mild, nonabrasive household detergent, rinsed with clean water and wiped dry.
Should optical assembly become dirty on inside, wipe
reflector and clean door glass in above manner, and
replace any damaged gasket.
Light output of luminaire is dependent on age of lamp.
In applications where light levels are critical replace lamps
before they burn out. Lamp manufacturer can provide data
showing how lamp light output decreases with use.
LAMP TIGHTNESS — The lamp should be securely
inserted to NEMA-EEI specified torque of 35 inch-pounds,
which is best achieved by very firmly tightening to ensure
application of sufficient torque. Tightening must be
sufficient to fully depress and load center contact of socket.
WIRING
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.
Do not remove insulated connectors from wires not
needed for required voltage connection.
Strain relief for incoming power must be provided
in the pole top by the customer.
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