Page 1
INSTALLATION INSTRUCTIONS
GRSF L/YK
MOUNTING FRAME
Upon receipt, thoroughly inspect for any
freight damage which should be brought
to the attention of the delivery carrier.
Compare the catalog descriptio n liste d on
the packing slip with the label on the
carton to ensure you have received the
correct merchandise.
IMPORTANT SAFETY INFORMATION
For Your Protection, Read Carefully
Warning: Risk of fire. Do not install
insulation within 3 inches of fixture
sides or wiring compartment, nor above
fixture in such a manner as to entrap
heat.
1. Electric current can cause painful
shock or serious injury unless handled
properly. For you safety, always
remember the following:
•Turn off the supply power.
•Ground the fixture to avoid potential
electrical shocks.
•Do not handle an energized fixture or
energize any fixture with wet hands,
when standing on a wet or damp surface,
or in water.
2. Specific safety information concerning
lamps:
•Match wattage of fixture and lamp
exactly.
•Do not remove or insert lamp when
power is on.
•Do not scratch glass or su bject lamp to
undue pressure as either may cause
lamp breakage.
•Protect operating lamp from sources of
moisture.
• If lamp is marked it contains
mercury. Follow disposal laws. See:
www.lamprecycle.org
.
Label
Open
Figure 2
Figure 3
Figure 1
SAVE THESE INSTRUCTIONS
NEW INSTALLATION
Lay-in panel T-bar ceiling:
1. Cut ceili ng opening slightly larger than the outside
diameter on the mounting frame.
2. Positio n mountin g fram e thr oug h ope ning i n ceil ing.
Release clamping latch arms and adjust channel
bars to the correct spacing between T-bar as
shown in Figure 2.Secure channel bars to T-bar by
means of wire ties, screws or by bending ends onto
T-bar as shown in Figure 3.
3. Once mounting frame has been secured in
structure, adjust the mounting frame vertically to
align the bottom edge to either flush or slightly
above (1/8” max) the ceiling line as shown in
Figure 4. Secure mounting frame into position by
closing the clamping latch arm.
4. If additional security is required, a No. 8 sheet
metal screw, wire tie or wire (not supplied) may be
used to tie the latch arm to the mounting fr ame as
Clamping
Latch Arm
Closed
shown in Figure 2.
5. Remo ve knockouts on junction box to feed power
supply to fixture as shown in Figure 5. Supply wire
must meet applicable electrical codes and be rated
for a minimum of 90°C. Junction box is thru-wire
rated for 8-No. 12 AWG conductors (4in-4out)
6. Complete necessary wire connections. Snap the
door onto the junction box as shown in Figure 5. If
the ballast is desired on the opposite side of the
junction box, pass the entire door and ballast
assembly through the junction box and snap into
place.
7. Drop socket housing assembly through mounting
frame aperture.
Non-accessible ceiling: (plaster, drywall, etc)
For wallwash applications, refer to label located
on mounting frame for proper orientation with
respect to the wall, to be illuminated as shown
in Figure 1.
1. Release clamping latch arms and adjust channel
bars to the correct spacing between joists as
shown in Figure 2.
2. Mounting Channel Bars
Flexible Wiring Method
Bend ends of channel bars 90
with vertical adjustment at its lowest point on the
mounting frame. Make sure bottom of the flange is
flush with the bottom of the joists. Secure mounting
frame into position by closing the clamping latch
arm. Channel bars will accommodate up to 24”
O.C. joists.
0
and mount to joists
CJ520404 Rev. C
8/10 1 of 2
©1994, 2010 Acuity Brands Lighting, Inc.
All Rights Reserved.
Page 2
INSTALLATION INSTRUCTIONS - GRSF L/YK MOUNTING FRAME
Non-Flexible Wiring Method
If non-flexible wiring method is used, follow
procedure for flexible wiring method. Then
lower mounting frame equal to the thickness
of the finished ceiling or slightly above as
shown in Figure 4.
3. Remove knockouts on junction box to feed
power supply to fixture as shown in Figure 5.
Supply wire must meet applicable electrical
codes and be rated for a minimum for 90°C.
Junction box is thru-wire rated for 8-No. 12
AWG conductors (4in-4out).
4. Compl ete necessary splices. Snap the door
onto the junction box as shown in Figure 5. If
the ballast is desired on the opposite sid e of
the junction box, pass the entire door and
ballast assembly through the junction box
and snap into place.
5. Drop socket housing assembly through
mounting frame opening.
Ceiling
Mounting
Frame
Figure 4
Figure 5
Reflector
Junction Box
CJ520404 Rev. C
8/10 2 of 2
©1994, 2010 Acuity Brands Lighting, Inc.
All Rights Reserved.
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