
®
We reserve the right to change or
revise specifications and product
design in connection with any feature
of our products. Such changes do
not entitle the buyer to corresponding
changes, improvements, additions
or replacements for equipment
previously sold or shipped.
Item Part # Description Wiring Item #
F
AN ASSEMBLIES
A. 25W Energy Efficient Fan Assembly — Discharge
0477658 Fan Motor, Discharge (1)
(MO.4410549)
0463643 Fan Blade (FB.4780648)
B. 25W Energy Efficient Fan Assembly — Return
0477658 Fan Motor, Return (2)
(MO.4410549)
0463643 Fan Blade (FB.4780648)
Item Part # Description Wiring Item #
LAMPS AND BALLASTS
C. Ballast, Electronic (4)
0464251 2 lamps (BA.4481298)
0464252 3 lamps (BA.4440509)
0464253 4 lamps (BA.4481299)
D. Fluorescent Lamp (5)
Replace with like fixtures
©2006 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
U.S. & CANADA 1-800-922-1919 • MEXICO 1-800-522-1900 • WWW.HUSSMANN.COM
W6RRI
Technical Data Sheet
P/N 0477992_A
February 2007
P/N 0477992_A

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
W6RRI Technical Data Sheet 2 of 5
Engineering
Plan Views
Dimensions shown as in. & (mm).
8 ft 12 ft
General
(A) Case Length* 96 3/8 (2448) 144 1/2 (3670)
Maximum O/S dimension of case back to front (Includes light channel) 56 1/4 (1429) 56 1/4 (1429)
Light Channel, front to back 7 (178) 7 (178)
Back of case to O/S edge of front bumper 50 1/2 (1282) 50 1/2 (1282)
* Each End and Insulated Partition adds 1 1/2 in. (38 mm) to the length of the lineup.
Electrical Service (Electrical Field Wiring Connection Point)
Back of case to center of 4x4x2 Upper Electrical box 2 3/4 (71) 2 3/4 (71)
Back of case to center of 2x4x2 Lower Electrical box 47 7/8 (1215) 47 7/8 (1215)
RH End of case to center of 4x4x2 Upper Electrical box 2 (50) 2 (50)
RH End of case to center of 2x4x2 Lower Electrical box 5 1/8 (132) 5 1/8 (132)
Waste Outlet
(B) RH End of case to the center of LH waste outlet (canopy drip pipe) 94 3/8 (2397) 142 1/2 (3620)
RH End of case to the center of RH waste outlet 2 (50) 2 (50)
Outside diameter of the drip pipe
7
/8 (22)
7
/8 (22)
Refrigeration Connections
(C) RH end of case to center of refrigeration outlet 93 3/8 (2372) 141 1/2 (3594)
Outside diameter of the liquid line
3
/8 (10)
3
/8 (10)
Outside diameter of the suction line
7
/8 (22)
7
/8 (22)
Roll-in Rear Load Dairy
11-2006
A
B
C
2 (50)
2
3
/4 (71)
50 1/2
(1283)
47 7/8
(1215)
56 1/4
(1429)
7 (178)
Ballast
1
5
/8 (132)
FRONT