
Warning
that all sources of power are turned off. All 
work must meet local/national codes and be 
performed by a certified electrician.  
mount fixtures vertically. 
: Before starting any work ensure 
Do not
3/8-16 x1" 
Hex End bolt 
(2x)
End cap
1/4-20 x1" 
Aiming screw 
(2x)
Exploded View and Part Call-Out
Fixture door
Captive door 
screws 
(x10)
1/4-20 x1" 
Screw 
(4x)
Ballast enclosure 
cover plate
Installation Instructions
Sheet 1 of 3
Roundel, XL 
IN/OUTDOOR
BI 
(Base, Integral)
Visor and Non-Visor
1.
Integral ballast 
enclosure
Mounting 
brackets (2x)
Securing Mounting Brackets
Insert driver through 
mounting holes in bracket 
to secure brackets to ballast 
enclosure. 
1/4-20 x1" 
Screw 
(4x)
2.
#10-32 x 1/2" 
Pan head screws 
(x12)
Securing Ballast Enclosure to Surface
1/4-20 nut 
(x4)
Pre-installed 
1/4-20 bolts 
(x4)
1.
 Using 1/4-20 x1" screws, secure mounting brackets to bottom 
   of ballast enclosure. 
2.
 Brackets can be attached as shown or reversed allowing 
   access to bolts from side of fixture.
ADY080863 REV A(ECN080377)
1.
 After securing mounting brackets to ballast enclosure, slide 
   brackets over pre-installed 1/4-20 bolts in mounting 
   surface.(Refer to page 3 for mounting dimensions)
2.
 Using appropriate nuts, secure ballast enclosure to surface.
 

Warning
that all sources of power are turned off. All 
work must meet local/national codes and be 
performed by a certified electrician.  
mount fixtures vertically. 
: Before starting any work ensure 
Do not
Installation Instructions
Sheet 2 of 3
Roundel, XL 
IN/OUTDOOR
BI 
(Base, Integral)
Visor and Non-Visor
Securing Yoke Arms to Ballast Enclosure
3
1/4-20 x 1" 
Pan head screws 
(4x)
Yoke arms 
(2x)
1.
 Attach yoke arms to ballast enclosure using all four 1/4-20x  
   1" Pan head screws.
5
Wiring the Fixture
4
3/8-16 x 1" 
Hex end bolt 
(x2)
End Cap
1/4-20 x1" 
Aiming screw 
(x2)
1.
 While firmly supporting fixture head, secure to yoke arms using 
   both 3/8-16 x1" hex end bolts.
2.
 Slide spacers between fixture head and yoke and secure 
   fixture head position using both 1/4-20 x1" aiming screws.
3.
 Insert fixture wire into compression fitting in ballast enclosure.
4.
 Replace end cap.
6
Securing Fixture Head 
Aiming screw 
spacer 
(x2)
Fixture Wire
Aiming the Fixture
Ballast 
cover plate
#10-32 x1/2" 
Pan head screws 
(x12)
1. 
 Loosen all 12 screws and remove ballast box cover plate.
2.
 Attach appropriate wires ensuring all connections are properly 
   matched.
3.
 Secure ballast box cover plate using all twelve screws.
Yoke arm 
indicator
End cap 
(x2)
1. To aim fixture, unscrew end caps from fixture. Loosen both  
   1/4-20 x1" aiming screws on both sides of fixture. When yoke 
   indicator and fixture head indicator are lined up, the slope of 
   the lens face is 40-degrees. Each subsequent notch is an   
   additional 10-degrees.
2. When fixture is rotated to desired angle, re-tighten set screws 
   and replace end caps.
Fixture head 
indicator
ADY080863 REV A(ECN080377)
 

Warning
that all sources of power are turned off. All 
work must meet local/national codes and be 
performed by a certified electrician.  
mount fixtures vertically. 
: Before starting any work ensure 
Do not
Installation Instructions
Sheet 3 of 3
Roundel, XL 
IN/OUTDOOR
BI 
(Base, Integral)
Visor and Non-Visor
13 
32
10.32 
(4x)
"
1
6
"
2
165.10
Mounting Plate Dimensions
3
"27
4
704.85
C
L
7
12
"
8
327.03 
3
25 "
4
654.05
Lamping Size Chart 
(lamps provided by others)
 In[mm]
1
10
4
260.35
"
FIXTURE SIZE 
(inche s/ mm )
WATTAGE
# OF 
LAMPS
LAMP TYPE LAMP DESCRIPTION
27/ 685.8 250W 1 ED28 Metal Halide 
27/ 685.8 400W 1 ED28/BT37 Metal Halide 
27/ 685.8 400W 2 ED28/BT37 Metal Halide
27/ 685.8 750W 1 BT37 Metal Halide 
27/ 685.8 1000W 1 BT37 Metal Halide
(not to scale)
ADY080863 REV A(ECN080377)