Lightolier 7790 User Manual
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INSTRUCTION SHEET NO.
INSTALLATION OF ROUND CALCULITE WITH
DUO-CAST REVERSIBLE TRIM FRAME-LENSLITE
READ AND UNDERSTAND THESE INSTRUCTIONS BEFORE INSTALLING FIXTURE.
This fixture is intended for installation in accordance with the National Electrical Code and local regulations.
To assure full compliance with local codes and regulations, check with your local electrical inspector before
installation.
Retain these instructions for reference.
To prevent electrical shock, turn off electricity at fuse box before proceeding.
IS:7790
R0692 Page 1 of 2
JUNCTION BOX
(ACTUAL LOCATION
IS BEHIND FIXTURE.)
I
FIG. 1
WARNiNG:
COMPARTMENT, NOR ABOVE FIXTURE IN SUCH A MANNER TO ENTRAP HEAT.
A. TO INSTALL MOUNTING SUPPORT IN CEILING
Instsll MOUNTING SUPPORT
(1)With MOUNTING BAR (order se arately:
18’’—Cat. No. 1950; 27”—Cat. o. 1951)
using rectangular slots as shown.
Slide mounting bar or channel (by others) through slots in adjustable mounting bracket which will place the bottom of the
Trim Frame approximately in line with the finished ceiling line. Final adjustments may be made by means of mounting
bracket screws on inside of fixture.
B. TO
INSTALL DUO-CAST* REVERSIBLE TRIM FRAME
(RISK OF FIRE) DO NOT INSTALL INSULATION WITHIN 3 INCHES OF FIXTURE SIDES OR WIRING
using ADJUSTABLE MOUNTING BRACKET.
R
7(Y
SCREWS
IM
AME
(2) With %“ channel (by
others)
SCREWS
RIM
RAM E
(3) With 1%“ channel (by others)
1’/2”
(BY
@ @ c@ ‘-@
SCREWS
RIM FRAME
—
D-RY CEILING
Set fixture so trim
frame overlaps finished fl;~~~~~h finished ceiling
ceiling as shown.
● U.S. PAT. NO. 2,998,511
PLASTER CEILING
FLANGE TRIM
Set fixture so trim frame is
PLASTER CEILING
FLANGELESS TRIM
Reverse trim frame, install fixture and
set height so bottom edge is lined up
with finished ceiling as shown.
ACOUSTIC PLASTER CEILING
FLANGELESS TRIM ONLY
TO REVERSE TRIM FRAME
c.
Disenaaae TRIM FRAME from
RETAINER by
forcin~ ~ small screwdriver into space between
TRIM FRAME and RETAINER near one of
BOSSES and pry out. Repeat near the other
two BOSSES until TRIM FRAME is free.
Reverse TRIM FRAME and snap it back over
RETAINER until RETAINER’S lip falls into
space between upper and lower BOSSES.
TO INSTALL AND WIRE FIXTURE
D.
1.Wire to supply leads. White fixture lead to
neutral supply lead. Black fixture lead to hot
(120V.) supply lead. Bare fixture wire to supp-
ly ground. Use wirenuts (local hardware
items). Place all electrical connections in the
J-BOX. Attach J-BOX COVER onto J-BOX.
2.To insure a neat installation, keep LENS
BEZEL in carton; insert paint shield in DUOCAST REVERSIBLE TRIM FRAME to protect
inside of fixture from paint, plaster and dust.
Remove after construction is complete.
3. Adjust fixture for correct wattage. This fixture
is set at the factory for the smallest lamp
size. For other lamp sizes as desired (see architect’s or engineer’s plans). Compress RETAINING SPRING and push ADJUSTABLE
SOCKET HOUSING upward until RETAINING
SPRING engages to slot for the required
lamp/wattage position. (See Fig. 4 and 5.)
RETAINER RING R0692
Page 2 of 2
VERSIBLE
DUO-CASTREVERSIBLE
TRIM FRAME
n
IS7790
LENS BEZEL
.-
4.Set DUO-CAST REVERSIBLE TRIM FRAME
for flange or flangeless installation in accordance with Step A.
5.After ceiling is completed, attach LENS
BEZEL by squeezing TORSIONTITE SPRINGS
together and insert through slots in housing;
push up to ceiling.
6.To attach LENS BEZEL, squeeze TORSIONTITE SPRINGS together and insert through
slots in housing (Fig. 3); push up to ceiling.
7.To relamp, simply push lens up and grip
edge of bezel. Then pull down (Fig. 6).
/
LAMPIWATTAGE
POSITION LABEL
(INSIDE NECK)
LAMP/WAITAG E
POSITION MARKING
(OUTSIDE NECK)
OPTICAL
SECTION
RETAINING
SPRING
FIG. 3
;:TT;;T
..
.
$
M
FIG. 4
& FINGER
HOLE
J
FIG. 6 TO RELAMP
FIG. 5
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