Acuity Brands Lighting HOLOPHANE Memphis MPL3 Manual - Page 4

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2 INSTALLATION

2.1 Tools and Materials Required

DESCRIPTION

USE

Flat blade screwdriver

Pendant Mount:

3/16" Allen wrench

Pipe Thread Sealant

Stem Mount:

1/8" Allen wrench

3/16" Allen wrench

1/4" Allen wrench

9/16" Socket

3/8" Socket

2.2 Fixture Installation.

2.2.1

Remove the mounting assembly from the electrical housing

by releasing the latch and then swinging it open until the hinge

disengages. See Figure 1.

2.2.2

Loosen the wire chamber cover screws and remove the

wiring chamber cover. Allow it to hang by the electrical wires

attached to the terminal block. See Figure 1.

Figure 1

2.2.3 Pendant mount

This unit must be mounted to a 1-1/2 NPT male threaded pendant.

Verify that the set screw, located in the mounting assembly, is

backed out enough that it will not interfere with the mounting

threads. See Figure 1. Thoroughly inspect threads for damage.

DO NOT attempt to assemble with another part if any thread

damage is found on either part. Apply pipe thread sealant

completely around the first 4 male threads on the mounting

pendant. Force the sealant into the threads, see Figure 2.

Thread the mounting assembly onto the pipe threads. Tighten by

hand at least 5 full turns to ensure the end of the conduit goes past

the setscrew hole.

Terminal block connections

Setscrew

Mounting pipe threads

Setscrew

Nuts

Screws

Figure 2

FIELD APPLICATION OF PIPE THREAD SEALANT IS

REQUIRED. FAILURE TO PROPERLY APPLY PIPE THREAD

SEALANT COULD CAUSE THIS UNIT TO LEAK OR CAUSE

PIPE THREAD SEALANT MUST BE APPLIED TO MALE

THREAD ASSEMBLY TO ENSURE PROPER INSTALLATION

2.2.4

Rigid Pendant mounting - Thread the mounting assembly

onto the pipe threads. Tighten by hand at least 5 full turns to insure

the end of the conduit goes past the setscrew hole. Continue to

tighten with wrench until the threads tighten completely and the

street side of luminaire is pointed in proper direction. Reflector

assembly and refractor are marked "street side."

2.2.5

Tighten the set screw to 12-15 ft-lbs.

2.2.6 Quick Stem Mount

Refer to Installation Manual provided with the swivel fitter (IM-347)

Attach the luminaire to the fitter by removing fitter door and inserting

stem of luminaire into the fitter. (Fig 3) Do not damage the electrical

supply wires during attachment of the luminaire. Feed the electrical

supply wires through the center of the stem grommet and make final

connection per section 2.2.7. Replace the fitter door by engaging

the lip of the door inside the fitter. Tighten the door screws to 5-6 Ft-

lbs. Tighten the nuts on the U-bolts to 30-40 Ft-lbs. Allow luminaire

to self-level and tighten the set screws to 12-15 Ft-lbs. If necessary,

adjust the leveling set screws so that the fitter is installed level.

Install shaft collar on stem in upmost position, flush with fitter.

Figure 3

GR1492

CAUTION

INADEQUATE THREAD ENGAGEMENT.

GR1060

GR2185

IM-396